1208 lines
38 KiB
JavaScript
1208 lines
38 KiB
JavaScript
const fs = require("fs");
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const path = require("path");
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const os = require("os");
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const { spawn } = require("child_process");
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const express = require("express");
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const Database = require("better-sqlite3");
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const PORT = Number(process.env.PORT || 8081);
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const HOST = process.env.HOST || "0.0.0.0";
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const DB_DIR = process.env.RC_TIMING_DATA_DIR ? path.resolve(process.env.RC_TIMING_DATA_DIR) : path.join(__dirname, "data");
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const DB_PATH = path.join(DB_DIR, "rc_timing.sqlite");
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const AMMC_CONFIG_PATH = path.join(DB_DIR, "ammc_config.json");
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const PID_FILE = process.env.RC_TIMING_PID_FILE || "";
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const SRC_DIR = path.join(__dirname, "src");
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const WATCHED_FILES = [
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path.join(__dirname, "index.html"),
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path.join(__dirname, "public-training.html"),
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...fs.readdirSync(SRC_DIR)
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.filter((fileName) => /\.(?:js|css)$/i.test(fileName))
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.map((fileName) => path.join(SRC_DIR, fileName)),
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];
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fs.mkdirSync(DB_DIR, { recursive: true });
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const db = new Database(DB_PATH);
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db.pragma("journal_mode = WAL");
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db.pragma("foreign_keys = ON");
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initSchema();
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const appVersion = {
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revision: 1,
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updatedAt: new Date().toISOString(),
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};
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watchAppFiles();
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const ammcState = {
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process: null,
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pid: null,
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startedAt: null,
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stoppedAt: null,
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lastExitCode: null,
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lastExitSignal: null,
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lastError: "",
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lastOutput: [],
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config: loadAmmcConfig(),
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};
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const app = express();
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app.use(express.json({ limit: "20mb" }));
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app.use((req, res, next) => {
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res.setHeader("Access-Control-Allow-Origin", "*");
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res.setHeader("Access-Control-Allow-Methods", "GET,POST,OPTIONS");
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res.setHeader("Access-Control-Allow-Headers", "Content-Type");
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if (req.method === "OPTIONS") {
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res.status(204).end();
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return;
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}
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next();
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});
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app.get("/api/health", (_req, res) => {
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res.json({ ok: true, dbPath: DB_PATH });
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});
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app.get("/api/app-version", (_req, res) => {
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res.json(appVersion);
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});
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app.get("/api/ammc/config", (_req, res) => {
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res.json({
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config: ammcState.config,
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status: buildAmmcStatus(),
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});
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});
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app.post("/api/ammc/config", (req, res) => {
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if (!req.body || typeof req.body !== "object") {
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res.status(400).json({ error: "Expected JSON body" });
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return;
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}
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try {
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ammcState.config = normalizeAmmcConfig(req.body, ammcState.config);
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saveAmmcConfig(ammcState.config);
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res.json({
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ok: true,
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config: ammcState.config,
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status: buildAmmcStatus(),
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});
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} catch (error) {
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res.status(400).json({
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error: error instanceof Error ? error.message : String(error),
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status: buildAmmcStatus(),
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});
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}
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});
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app.get("/api/ammc/status", (_req, res) => {
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res.json(buildAmmcStatus());
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});
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app.post("/api/ammc/start", (_req, res) => {
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try {
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startAmmcProcess();
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res.json({ ok: true, status: buildAmmcStatus() });
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} catch (error) {
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res.status(400).json({
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error: error instanceof Error ? error.message : String(error),
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status: buildAmmcStatus(),
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});
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}
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});
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app.post("/api/ammc/stop", async (_req, res) => {
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try {
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await stopAmmcProcess();
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res.json({ ok: true, status: buildAmmcStatus() });
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} catch (error) {
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res.status(500).json({
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error: error instanceof Error ? error.message : String(error),
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status: buildAmmcStatus(),
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});
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}
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});
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app.get("/api/state", (_req, res) => {
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const row = db.prepare("SELECT state_json, updated_at FROM app_state WHERE id = 1").get();
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if (!row) {
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res.json({ state: null, updatedAt: null });
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return;
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}
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try {
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res.json({ state: JSON.parse(row.state_json), updatedAt: row.updated_at });
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} catch {
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res.status(500).json({ error: "Stored app state is invalid JSON" });
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}
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});
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app.post("/api/state", (req, res) => {
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if (!req.body || typeof req.body !== "object") {
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res.status(400).json({ error: "Expected JSON body" });
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return;
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}
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const stateJson = JSON.stringify(req.body);
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const nowIso = new Date().toISOString();
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db.prepare(
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`
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INSERT INTO app_state (id, state_json, updated_at)
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VALUES (1, ?, ?)
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ON CONFLICT(id) DO UPDATE SET
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state_json = excluded.state_json,
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updated_at = excluded.updated_at
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`
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).run(stateJson, nowIso);
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res.json({ ok: true, updatedAt: nowIso });
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});
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app.post("/api/passings", (req, res) => {
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const { sessionId, passing, sessionResult } = req.body || {};
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if (!sessionId || !passing || typeof passing !== "object") {
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res.status(400).json({ error: "Expected { sessionId, passing }" });
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return;
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}
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const stmt = db.prepare(
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`
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INSERT INTO passings (
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session_id,
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timestamp_ms,
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transponder,
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driver_id,
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driver_name,
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car_id,
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car_name,
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strength,
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loop_id,
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resend,
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raw_json,
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created_at
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) VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)
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`
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);
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stmt.run(
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String(sessionId),
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Number(passing.timestamp || Date.now()),
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String(passing.transponder || ""),
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passing.driverId ? String(passing.driverId) : null,
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passing.driverName ? String(passing.driverName) : null,
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passing.carId ? String(passing.carId) : null,
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passing.carName ? String(passing.carName) : null,
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typeof passing.strength === "number" ? passing.strength : null,
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passing.loopId ? String(passing.loopId) : null,
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passing.resend ? 1 : 0,
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JSON.stringify(passing),
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new Date().toISOString()
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);
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// Keep app_state hot for overlay clients that hydrate from backend instead of
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// having their own direct decoder socket.
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if (sessionResult && typeof sessionResult === "object") {
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const nowIso = new Date().toISOString();
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const row = db.prepare("SELECT state_json FROM app_state WHERE id = 1").get();
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if (row?.state_json) {
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try {
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const parsed = JSON.parse(row.state_json);
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if (!parsed.resultsBySession || typeof parsed.resultsBySession !== "object") {
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parsed.resultsBySession = {};
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}
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parsed.resultsBySession[String(sessionId)] = sessionResult;
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db.prepare(
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`
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INSERT INTO app_state (id, state_json, updated_at)
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VALUES (1, ?, ?)
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ON CONFLICT(id) DO UPDATE SET
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state_json = excluded.state_json,
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updated_at = excluded.updated_at
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`
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).run(JSON.stringify(parsed), nowIso);
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} catch {
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// leave app_state untouched if the stored JSON is invalid
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}
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}
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}
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res.json({ ok: true });
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});
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app.get("/api/passings", (req, res) => {
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const sessionId = req.query.sessionId ? String(req.query.sessionId) : null;
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const limit = Math.min(1000, Math.max(1, Number(req.query.limit || 200)));
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const rows = sessionId
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? db
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.prepare(
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`
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SELECT *
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FROM passings
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WHERE session_id = ?
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ORDER BY timestamp_ms DESC
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LIMIT ?
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`
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)
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.all(sessionId, limit)
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: db
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.prepare(
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`
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SELECT *
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FROM passings
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ORDER BY timestamp_ms DESC
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LIMIT ?
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`
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)
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.all(limit);
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res.json({ rows });
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});
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app.post("/api/export/pdf", (req, res) => {
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try {
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const payload = normalizePdfExportPayload(req.body || {});
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const pdf = buildSimplePdf(payload);
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res.setHeader("Content-Type", "application/pdf");
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res.setHeader("Content-Disposition", `attachment; filename="${payload.filename}"`);
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res.send(pdf);
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} catch (error) {
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res.status(400).json({ error: error instanceof Error ? error.message : String(error) });
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}
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});
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const PUBLIC_OVERLAY_TOKEN = String(process.env.PUBLIC_OVERLAY_TOKEN || "").trim();
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app.get(["/public-overlay", "/public-overlay/:mode"], (req, res) => {
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if (PUBLIC_OVERLAY_TOKEN && String(req.query.token || "").trim() !== PUBLIC_OVERLAY_TOKEN) {
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res.status(403).type("text/plain").send("Forbidden");
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return;
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}
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res.sendFile(path.join(__dirname, "index.html"));
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});
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app.get("/public-training/api/:shareToken", (req, res) => {
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try {
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const stored = readStoredAppState();
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const sinceTimestamp = normalizePublicTrainingSince(req.query.since, req.query.startedAgoMs);
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const windowMs = normalizePublicTrainingWindow(req.query.windowMs);
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const profile = stored ? buildPublicTrainingProfile(stored.state, String(req.params.shareToken || ""), stored.updatedAt, sinceTimestamp, windowMs) : null;
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if (!profile) {
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res.status(404).json({ error: "Profile not found" });
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return;
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}
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res.setHeader("Cache-Control", "no-store");
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res.json(profile);
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} catch (error) {
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res.status(500).json({ error: error instanceof Error ? error.message : String(error) });
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}
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});
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app.get("/public-training/:shareToken", (req, res) => {
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try {
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const stored = readStoredAppState();
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if (!stored || !hasPublicTrainingShare(stored.state, String(req.params.shareToken || ""))) {
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res.status(404).type("text/plain").send("Profile not found");
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return;
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}
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res.setHeader("Cache-Control", "no-store");
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res.sendFile(path.join(__dirname, "public-training.html"));
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} catch {
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res.status(404).type("text/plain").send("Profile not found");
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}
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});
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app.use(
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"/src",
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express.static(SRC_DIR, {
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setHeaders: (res, filePath) => {
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if (filePath.endsWith(".html") || filePath.endsWith(".js") || filePath.endsWith(".css")) {
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res.setHeader("Cache-Control", "no-store");
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}
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},
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})
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);
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app.use("/docs", express.static(path.join(__dirname, "docs")));
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app.get("*", (_req, res) => {
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res.sendFile(path.join(__dirname, "index.html"));
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});
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app.listen(PORT, HOST, () => {
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writePidFile();
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console.log(`RC Timing server listening on http://${HOST}:${PORT}`);
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const lanUrls = getLanUrls(PORT);
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if (lanUrls.length) {
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console.log(`LAN access: ${lanUrls.join(" , ")}`);
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}
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console.log(`SQLite database: ${DB_PATH}`);
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console.log(`AMMC executable: ${buildAmmcStatus().resolvedExecutablePath}`);
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maybeStartManagedAmmc();
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});
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function initSchema() {
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db.exec(`
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CREATE TABLE IF NOT EXISTS app_state (
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id INTEGER PRIMARY KEY CHECK (id = 1),
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state_json TEXT NOT NULL,
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updated_at TEXT NOT NULL
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);
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CREATE TABLE IF NOT EXISTS passings (
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id INTEGER PRIMARY KEY AUTOINCREMENT,
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session_id TEXT NOT NULL,
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timestamp_ms INTEGER NOT NULL,
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transponder TEXT NOT NULL,
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driver_id TEXT,
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driver_name TEXT,
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car_id TEXT,
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car_name TEXT,
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strength REAL,
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loop_id TEXT,
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resend INTEGER NOT NULL DEFAULT 0,
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raw_json TEXT NOT NULL,
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created_at TEXT NOT NULL
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);
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CREATE INDEX IF NOT EXISTS idx_passings_session ON passings(session_id);
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CREATE INDEX IF NOT EXISTS idx_passings_timestamp ON passings(timestamp_ms);
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`);
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}
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function readStoredAppState() {
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const row = db.prepare("SELECT state_json, updated_at FROM app_state WHERE id = 1").get();
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if (!row?.state_json) return null;
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return { state: JSON.parse(row.state_json), updatedAt: row.updated_at };
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}
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function findPublicTrainingShare(state, shareToken) {
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if (!shareToken || shareToken.length < 24) return null;
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const shares = Array.isArray(state?.training?.shares) ? state.training.shares : [];
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return shares.find((share) => share?.enabled !== false && String(share?.token || "") === shareToken) || null;
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}
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function hasPublicTrainingShare(state, shareToken) {
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return Boolean(findPublicTrainingShare(state, shareToken));
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}
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function buildPublicTrainingProfile(state, shareToken, updatedAt, sinceTimestamp = 0, windowMs = 0) {
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const share = findPublicTrainingShare(state, shareToken);
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if (!share) return null;
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const driverId = String(share.driverId || "");
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const drivers = Array.isArray(state?.drivers) ? state.drivers : [];
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const driver = drivers.find((item) => String(item?.id || "") === driverId);
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if (!driver) return null;
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const classes = Array.isArray(state?.classes) ? state.classes : [];
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const driverClass = classes.find((item) => String(item?.id || "") === String(driver.classId || ""));
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const ledger = Array.isArray(state?.training?.ledger) ? state.training.ledger : [];
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const driverLaps = ledger
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.filter((entry) => String(entry?.driverId || "") === driverId && Number(entry?.lapMs || 0) > 500)
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.map((entry) => ({
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timestamp: Math.max(0, Number(entry.timestamp || 0) || 0),
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lapMs: Math.max(0, Math.round(Number(entry.lapMs || 0) || 0)),
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sessionId: String(entry.sessionId || ""),
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}))
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.sort((left, right) => left.timestamp - right.timestamp);
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const stats = buildPublicTrainingStats(driverLaps);
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const goals = (Array.isArray(state?.training?.goals) ? state.training.goals : [])
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.filter((goal) => String(goal?.driverId || "") === driverId)
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.map((goal) => buildPublicTrainingGoal(goal, stats.totalLaps));
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const rankedTotals = getRankedTrainingTotals(ledger, new Set(drivers.map((item) => String(item?.id || "")).filter(Boolean)));
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const rankIndex = rankedTotals.findIndex(([id]) => id === driverId);
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const settings = state?.settings && typeof state.settings === "object" ? state.settings : {};
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const currentSession = sinceTimestamp
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? buildPublicTrainingWindowStats(driverLaps.filter((lap) => lap.timestamp >= sinceTimestamp && (!windowMs || lap.timestamp <= sinceTimestamp + windowMs)))
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: null;
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return {
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updatedAt: String(updatedAt || ""),
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profile: {
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name: String(driver.name || "Driver").trim(),
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brand: String(driver.brand || "").trim(),
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className: String(driverClass?.name || "").trim(),
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clubRank: rankIndex >= 0 ? rankIndex + 1 : 0,
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rankedDrivers: rankedTotals.length,
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},
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branding: {
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clubName: String(settings.clubName || "JMK RB RaceController").trim(),
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clubTagline: String(settings.clubTagline || "RC Timing System").trim(),
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logoDataUrl: normalizePublicLogoDataUrl(settings.logoDataUrl),
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},
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stats,
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nextMilestone: getPublicTrainingMilestone(stats.totalLaps),
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recommendation: getPublicTrainingRecommendation(stats),
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goals,
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currentSession,
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};
|
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}
|
|
|
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function normalizePublicTrainingSince(value, startedAgoValue) {
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const now = Date.now();
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if (startedAgoValue !== undefined) {
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const startedAgoMs = Math.round(Number(startedAgoValue));
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if (Number.isFinite(startedAgoMs) && startedAgoMs >= 0 && startedAgoMs <= 24 * 60 * 60 * 1000) {
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return now - startedAgoMs;
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}
|
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}
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const timestamp = Math.round(Number(value || 0) || 0);
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return timestamp >= now - 24 * 60 * 60 * 1000 && timestamp <= now + 60 * 1000 ? timestamp : 0;
|
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}
|
|
|
|
function normalizePublicTrainingWindow(value) {
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const windowMs = Math.round(Number(value || 0) || 0);
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return Math.min(24 * 60 * 60 * 1000, Math.max(0, windowMs));
|
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}
|
|
|
|
function buildPublicTrainingWindowStats(laps) {
|
|
const lapTimes = laps.map((lap) => Number(lap.lapMs || 0)).filter((lapMs) => lapMs > 500);
|
|
return {
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laps: lapTimes.length,
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bestLapMs: lapTimes.length ? Math.min(...lapTimes) : 0,
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averageLapMs: lapTimes.length ? Math.round(lapTimes.reduce((sum, lapMs) => sum + lapMs, 0) / lapTimes.length) : 0,
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};
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}
|
|
|
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function buildPublicTrainingGoal(goal, currentLaps) {
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|
const targetLaps = Math.max(1, Math.round(Number(goal?.targetLaps || 1) || 1));
|
|
return {
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|
title: String(goal?.title || "").trim(),
|
|
reward: String(goal?.reward || "").trim(),
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|
targetLaps,
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|
currentLaps,
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|
remainingLaps: Math.max(0, targetLaps - currentLaps),
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|
percent: Math.min(100, Math.max(0, (currentLaps / targetLaps) * 100)),
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|
reached: currentLaps >= targetLaps,
|
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claimed: Boolean(goal?.claimedAt),
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|
};
|
|
}
|
|
|
|
function getRankedTrainingTotals(ledger, registeredDriverIds) {
|
|
const totals = new Map();
|
|
ledger.forEach((entry) => {
|
|
const driverId = String(entry?.driverId || "");
|
|
if (!driverId || !registeredDriverIds.has(driverId) || Number(entry?.lapMs || 0) <= 500) return;
|
|
totals.set(driverId, (totals.get(driverId) || 0) + 1);
|
|
});
|
|
return [...totals.entries()].sort((left, right) => right[1] - left[1]);
|
|
}
|
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|
|
function buildPublicTrainingStats(laps) {
|
|
const lapTimes = laps.map((lap) => lap.lapMs);
|
|
const recent = lapTimes.slice(-30);
|
|
const average = (values) => values.length ? Math.round(values.reduce((sum, value) => sum + value, 0) / values.length) : 0;
|
|
const sortedRecent = [...recent].sort((left, right) => left - right);
|
|
const percentile = (ratio) => sortedRecent.length
|
|
? sortedRecent[Math.min(sortedRecent.length - 1, Math.max(0, Math.round((sortedRecent.length - 1) * ratio)))]
|
|
: 0;
|
|
const recentAverageMs = average(recent);
|
|
const daily = new Map();
|
|
laps.forEach((lap) => {
|
|
const date = new Date(lap.timestamp);
|
|
const dateKey = Number.isNaN(date.getTime()) ? "unknown" : `${date.getFullYear()}-${String(date.getMonth() + 1).padStart(2, "0")}-${String(date.getDate()).padStart(2, "0")}`;
|
|
const day = daily.get(dateKey) || { dateKey, laps: 0, totalMs: 0, bestLapMs: 0, latestTimestamp: 0 };
|
|
day.laps += 1;
|
|
day.totalMs += lap.lapMs;
|
|
day.bestLapMs = day.bestLapMs ? Math.min(day.bestLapMs, lap.lapMs) : lap.lapMs;
|
|
day.latestTimestamp = Math.max(day.latestTimestamp, lap.timestamp);
|
|
daily.set(dateKey, day);
|
|
});
|
|
const dailySummaries = [...daily.values()]
|
|
.map((day) => ({
|
|
dateKey: day.dateKey,
|
|
laps: day.laps,
|
|
bestLapMs: day.bestLapMs,
|
|
latestTimestamp: day.latestTimestamp,
|
|
averageLapMs: day.laps ? Math.round(day.totalMs / day.laps) : 0,
|
|
}))
|
|
.sort((left, right) => right.latestTimestamp - left.latestTimestamp)
|
|
.slice(0, 30);
|
|
const bestLapMs = lapTimes.length ? Math.min(...lapTimes) : 0;
|
|
const controlTargetMs = bestLapMs ? Math.round(bestLapMs * 1.08) : 0;
|
|
let controlledLapStreak = 0;
|
|
for (let index = lapTimes.length - 1; index >= 0; index -= 1) {
|
|
if (!controlTargetMs || lapTimes[index] > controlTargetMs) break;
|
|
controlledLapStreak += 1;
|
|
}
|
|
|
|
return {
|
|
totalLaps: laps.length,
|
|
totalSessions: new Set(laps.map((lap) => lap.sessionId).filter(Boolean)).size,
|
|
trainingDays: daily.size,
|
|
bestLapMs,
|
|
averageLapMs: average(lapTimes),
|
|
recentAverageMs,
|
|
recentLapCount: recent.length,
|
|
consistencySpreadPct: recentAverageMs ? ((percentile(0.9) - percentile(0.1)) / recentAverageMs) * 100 : 0,
|
|
controlledLapStreak,
|
|
dailySummaries,
|
|
};
|
|
}
|
|
|
|
function normalizePublicLogoDataUrl(value) {
|
|
const logo = String(value || "").trim();
|
|
return logo.length <= 2_000_000 && /^data:image\/(?:png|jpeg|webp);base64,/i.test(logo) ? logo : "";
|
|
}
|
|
|
|
function getPublicTrainingMilestone(currentLaps) {
|
|
const presets = [100, 250, 500, 1000, 1500, 2500, 5000];
|
|
const targetLaps = presets.find((target) => target > currentLaps) || (Math.floor(currentLaps / 1000) + 1) * 1000;
|
|
return {
|
|
currentLaps,
|
|
targetLaps,
|
|
remainingLaps: Math.max(0, targetLaps - currentLaps),
|
|
percent: Math.min(100, Math.max(0, (currentLaps / targetLaps) * 100)),
|
|
};
|
|
}
|
|
|
|
function getPublicTrainingRecommendation(stats) {
|
|
if (stats.totalLaps < 10) return { level: "baseline", targetLapMs: 0 };
|
|
if (stats.recentLapCount >= 10 && stats.consistencySpreadPct > 8) {
|
|
return { level: "consistency", targetLapMs: Math.round(stats.bestLapMs * 1.08) };
|
|
}
|
|
return { level: "progression", targetLapMs: Math.round(stats.bestLapMs * 1.05) };
|
|
}
|
|
|
|
function normalizePdfExportPayload(input = {}) {
|
|
const title = String(input.title || "JMK RB Live Event").trim();
|
|
const subtitle = String(input.subtitle || "").trim();
|
|
const brandName = String(input.brandName || "JMK RB").trim();
|
|
const brandTagline = String(input.brandTagline || "Live Event").trim();
|
|
const footer = String(input.footer || "").trim();
|
|
const logoDataUrl = String(input.logoDataUrl || "").trim();
|
|
const theme = ["classic", "minimal", "motorsport"].includes(String(input.theme || "").toLowerCase())
|
|
? String(input.theme).toLowerCase()
|
|
: "classic";
|
|
const filenameBase = String(input.filename || "export.pdf").trim() || "export.pdf";
|
|
const filename = filenameBase.toLowerCase().endsWith(".pdf") ? filenameBase : `${filenameBase}.pdf`;
|
|
const sections = Array.isArray(input.sections)
|
|
? input.sections.map((section) => ({
|
|
title: String(section?.title || "").trim(),
|
|
headers: Array.isArray(section?.headers) ? section.headers.map((value) => String(value || "").trim()) : [],
|
|
rows: Array.isArray(section?.rows)
|
|
? section.rows.map((row) => (Array.isArray(row) ? row.map((value) => String(value ?? "").trim()) : [String(row ?? "").trim()]))
|
|
: [],
|
|
}))
|
|
: [];
|
|
|
|
return { title, subtitle, brandName, brandTagline, footer, theme, logoDataUrl, filename, sections };
|
|
}
|
|
|
|
function buildSimplePdf(payload) {
|
|
const pageWidth = 595;
|
|
const pageHeight = 842;
|
|
const marginLeft = 42;
|
|
const marginTop = 56;
|
|
const marginBottom = 56;
|
|
const lineHeight = 15;
|
|
const maxChars = 86;
|
|
const logo = parsePdfLogo(payload.logoDataUrl);
|
|
const headerOffset = logo ? logo.displayHeight + 18 : 0;
|
|
const lines = buildPdfLines(payload, maxChars);
|
|
const linesPerPage = Math.max(10, Math.floor((pageHeight - marginTop - marginBottom - headerOffset) / lineHeight));
|
|
const pages = [];
|
|
for (let index = 0; index < lines.length; index += linesPerPage) {
|
|
pages.push(lines.slice(index, index + linesPerPage));
|
|
}
|
|
if (!pages.length) {
|
|
pages.push(["No content"]);
|
|
}
|
|
|
|
const objects = [];
|
|
const pageObjectIds = [];
|
|
const contentObjectIds = [];
|
|
let nextObjectId = 3;
|
|
for (let index = 0; index < pages.length; index += 1) {
|
|
pageObjectIds.push(nextObjectId++);
|
|
contentObjectIds.push(nextObjectId++);
|
|
}
|
|
const fontObjectId = nextObjectId++;
|
|
const imageObjectId = logo ? nextObjectId++ : null;
|
|
|
|
objects.push(createPdfTextObject(1, "<< /Type /Catalog /Pages 2 0 R >>"));
|
|
objects.push(createPdfTextObject(2, `<< /Type /Pages /Count ${pages.length} /Kids [${pageObjectIds.map((id) => `${id} 0 R`).join(" ")}] >>`));
|
|
objects.push(createPdfTextObject(fontObjectId, "<< /Type /Font /Subtype /Type1 /BaseFont /Courier >>"));
|
|
|
|
if (logo && imageObjectId) {
|
|
objects.push(
|
|
createPdfStreamObject(
|
|
imageObjectId,
|
|
`<< /Type /XObject /Subtype /Image /Width ${logo.width} /Height ${logo.height} /ColorSpace /DeviceRGB /BitsPerComponent 8 /Filter /DCTDecode`,
|
|
logo.data
|
|
)
|
|
);
|
|
}
|
|
|
|
for (let index = 0; index < pages.length; index += 1) {
|
|
const resources = imageObjectId
|
|
? `<< /Font << /F1 ${fontObjectId} 0 R >> /XObject << /Im1 ${imageObjectId} 0 R >> >>`
|
|
: `<< /Font << /F1 ${fontObjectId} 0 R >> >>`;
|
|
const contentStream = Buffer.from(
|
|
buildPdfContentStream(
|
|
pages[index],
|
|
marginLeft,
|
|
pageHeight - marginTop - headerOffset,
|
|
lineHeight,
|
|
logo
|
|
? {
|
|
x: marginLeft,
|
|
y: pageHeight - marginTop - logo.displayHeight,
|
|
width: logo.displayWidth,
|
|
height: logo.displayHeight,
|
|
}
|
|
: null
|
|
),
|
|
"utf8"
|
|
);
|
|
objects.push(
|
|
createPdfTextObject(
|
|
pageObjectIds[index],
|
|
`<< /Type /Page /Parent 2 0 R /MediaBox [0 0 ${pageWidth} ${pageHeight}] /Resources ${resources} /Contents ${contentObjectIds[index]} 0 R >>`
|
|
)
|
|
);
|
|
objects.push(createPdfStreamObject(contentObjectIds[index], "<<", contentStream));
|
|
}
|
|
|
|
return assemblePdf(objects);
|
|
}
|
|
|
|
function createPdfTextObject(id, body) {
|
|
return {
|
|
id,
|
|
buffer: Buffer.from(`${id} 0 obj\n${body}\nendobj\n`, "binary"),
|
|
};
|
|
}
|
|
|
|
function createPdfStreamObject(id, dictionaryPrefix, streamBuffer) {
|
|
return {
|
|
id,
|
|
buffer: Buffer.concat([
|
|
Buffer.from(`${id} 0 obj\n${dictionaryPrefix} /Length ${streamBuffer.length} >>\nstream\n`, "binary"),
|
|
streamBuffer,
|
|
Buffer.from("\nendstream\nendobj\n", "binary"),
|
|
]),
|
|
};
|
|
}
|
|
|
|
function assemblePdf(objects) {
|
|
const ordered = [...objects].sort((left, right) => left.id - right.id);
|
|
const chunks = [Buffer.from("%PDF-1.4\n", "binary")];
|
|
const offsets = [0];
|
|
let position = chunks[0].length;
|
|
ordered.forEach((object) => {
|
|
offsets[object.id] = position;
|
|
chunks.push(object.buffer);
|
|
position += object.buffer.length;
|
|
});
|
|
const xrefOffset = position;
|
|
const size = ordered.length + 1;
|
|
let xref = `xref\n0 ${size}\n0000000000 65535 f \n`;
|
|
for (let id = 1; id < size; id += 1) {
|
|
xref += `${String(offsets[id] || 0).padStart(10, "0")} 00000 n \n`;
|
|
}
|
|
chunks.push(Buffer.from(`${xref}trailer\n<< /Size ${size} /Root 1 0 R >>\nstartxref\n${xrefOffset}\n%%EOF`, "binary"));
|
|
return Buffer.concat(chunks);
|
|
}
|
|
|
|
function parsePdfLogo(dataUrl) {
|
|
const match = /^data:image\/jpeg;base64,([A-Za-z0-9+/=\s]+)$/i.exec(String(dataUrl || "").trim());
|
|
if (!match) {
|
|
return null;
|
|
}
|
|
const data = Buffer.from(match[1].replace(/\s+/g, ""), "base64");
|
|
const dimensions = getJpegDimensions(data);
|
|
if (!dimensions) {
|
|
return null;
|
|
}
|
|
const scale = Math.min(150 / dimensions.width, 52 / dimensions.height, 1);
|
|
return {
|
|
data,
|
|
width: dimensions.width,
|
|
height: dimensions.height,
|
|
displayWidth: Math.max(1, Math.round(dimensions.width * scale)),
|
|
displayHeight: Math.max(1, Math.round(dimensions.height * scale)),
|
|
};
|
|
}
|
|
|
|
function getJpegDimensions(buffer) {
|
|
if (!Buffer.isBuffer(buffer) || buffer.length < 4 || buffer[0] !== 0xff || buffer[1] !== 0xd8) {
|
|
return null;
|
|
}
|
|
let offset = 2;
|
|
while (offset + 1 < buffer.length) {
|
|
while (offset < buffer.length && buffer[offset] !== 0xff) {
|
|
offset += 1;
|
|
}
|
|
while (offset < buffer.length && buffer[offset] === 0xff) {
|
|
offset += 1;
|
|
}
|
|
if (offset >= buffer.length) {
|
|
break;
|
|
}
|
|
const marker = buffer[offset];
|
|
offset += 1;
|
|
if (marker === 0xd9 || marker === 0xda) {
|
|
break;
|
|
}
|
|
if (marker === 0x01 || (marker >= 0xd0 && marker <= 0xd7)) {
|
|
continue;
|
|
}
|
|
if (offset + 1 >= buffer.length) {
|
|
break;
|
|
}
|
|
const length = buffer.readUInt16BE(offset);
|
|
if (length < 2 || offset + length > buffer.length) {
|
|
break;
|
|
}
|
|
if (
|
|
(marker >= 0xc0 && marker <= 0xc3) ||
|
|
(marker >= 0xc5 && marker <= 0xc7) ||
|
|
(marker >= 0xc9 && marker <= 0xcb) ||
|
|
(marker >= 0xcd && marker <= 0xcf)
|
|
) {
|
|
if (length >= 7) {
|
|
return {
|
|
height: buffer.readUInt16BE(offset + 3),
|
|
width: buffer.readUInt16BE(offset + 5),
|
|
};
|
|
}
|
|
break;
|
|
}
|
|
offset += length;
|
|
}
|
|
return null;
|
|
}
|
|
|
|
function buildPdfLines(payload, maxChars) {
|
|
const lines = [];
|
|
const separator =
|
|
payload.theme === "minimal"
|
|
? ""
|
|
: payload.theme === "motorsport"
|
|
? "=".repeat(Math.min(maxChars, 70))
|
|
: "-".repeat(Math.min(maxChars, 70));
|
|
if (payload.brandName) {
|
|
lines.push(payload.brandName);
|
|
}
|
|
if (payload.brandTagline) {
|
|
lines.push(payload.brandTagline);
|
|
}
|
|
if (separator) {
|
|
lines.push(separator);
|
|
}
|
|
if (payload.brandName || payload.brandTagline) {
|
|
lines.push("");
|
|
}
|
|
lines.push(payload.title);
|
|
if (payload.subtitle) {
|
|
lines.push(payload.subtitle);
|
|
}
|
|
payload.sections.forEach((section) => {
|
|
lines.push("");
|
|
if (section.title) {
|
|
lines.push(payload.theme === "motorsport" ? `> ${section.title}` : section.title);
|
|
}
|
|
if (section.headers.length) {
|
|
const widths = getColumnWidths(section.headers, section.rows, maxChars);
|
|
lines.push(formatPdfRow(section.headers, widths));
|
|
lines.push(formatPdfRow(widths.map((width) => (payload.theme === "minimal" ? " ".repeat(Math.min(width, 1)) : "-".repeat(Math.min(width, 12)))), widths));
|
|
section.rows.forEach((row) => {
|
|
lines.push(formatPdfRow(row, widths));
|
|
});
|
|
} else {
|
|
section.rows.forEach((row) => {
|
|
row.forEach((value) => {
|
|
wrapPdfText(value, maxChars).forEach((line) => lines.push(line));
|
|
});
|
|
});
|
|
}
|
|
});
|
|
if (payload.footer) {
|
|
lines.push("");
|
|
lines.push(payload.footer);
|
|
}
|
|
return lines;
|
|
}
|
|
|
|
function getColumnWidths(headers, rows, maxChars) {
|
|
const widths = headers.map((header, index) => {
|
|
const columnValues = rows.map((row) => String(row[index] || ""));
|
|
const longest = Math.max(header.length, ...columnValues.map((value) => value.length), 4);
|
|
return Math.min(26, Math.max(4, longest));
|
|
});
|
|
let total = widths.reduce((sum, width) => sum + width, 0) + Math.max(0, (widths.length - 1) * 3);
|
|
while (total > maxChars) {
|
|
const widestIndex = widths.findIndex((width) => width === Math.max(...widths));
|
|
if (widths[widestIndex] <= 4) {
|
|
break;
|
|
}
|
|
widths[widestIndex] -= 1;
|
|
total -= 1;
|
|
}
|
|
return widths;
|
|
}
|
|
|
|
function formatPdfRow(values, widths) {
|
|
return values
|
|
.map((value, index) => String(value || "").slice(0, widths[index]).padEnd(widths[index], " "))
|
|
.join(" | ");
|
|
}
|
|
|
|
function wrapPdfText(text, maxChars) {
|
|
const words = String(text || "").split(/\s+/).filter(Boolean);
|
|
if (!words.length) {
|
|
return [""];
|
|
}
|
|
const lines = [];
|
|
let current = "";
|
|
words.forEach((word) => {
|
|
const next = current ? `${current} ${word}` : word;
|
|
if (next.length > maxChars) {
|
|
if (current) {
|
|
lines.push(current);
|
|
current = word;
|
|
} else {
|
|
lines.push(word.slice(0, maxChars));
|
|
current = word.slice(maxChars);
|
|
}
|
|
} else {
|
|
current = next;
|
|
}
|
|
});
|
|
if (current) {
|
|
lines.push(current);
|
|
}
|
|
return lines;
|
|
}
|
|
|
|
function buildPdfContentStream(lines, x, y, lineHeight, logoPlacement = null) {
|
|
const escaped = lines.map((line) => escapePdfText(line));
|
|
const commands = [];
|
|
if (logoPlacement) {
|
|
commands.push("q");
|
|
commands.push(`${logoPlacement.width} 0 0 ${logoPlacement.height} ${logoPlacement.x} ${logoPlacement.y} cm`);
|
|
commands.push("/Im1 Do");
|
|
commands.push("Q");
|
|
}
|
|
commands.push(
|
|
"BT",
|
|
"/F1 11 Tf",
|
|
`${lineHeight} TL`,
|
|
`${x} ${y} Td`,
|
|
...escaped.map((line) => `(${line}) Tj\nT*`),
|
|
"ET"
|
|
);
|
|
return commands.join("\n");
|
|
}
|
|
|
|
function escapePdfText(text) {
|
|
return String(text || "")
|
|
.replaceAll("\\", "\\\\")
|
|
.replaceAll("(", "\\(")
|
|
.replaceAll(")", "\\)");
|
|
}
|
|
|
|
function getLanUrls(port) {
|
|
const interfaces = os.networkInterfaces();
|
|
const urls = [];
|
|
Object.values(interfaces).forEach((records) => {
|
|
(records || []).forEach((rec) => {
|
|
if (rec && rec.family === "IPv4" && !rec.internal) {
|
|
urls.push(`http://${rec.address}:${port}`);
|
|
}
|
|
});
|
|
});
|
|
return urls;
|
|
}
|
|
|
|
function watchAppFiles() {
|
|
WATCHED_FILES.forEach((filePath) => {
|
|
if (!fs.existsSync(filePath)) {
|
|
return;
|
|
}
|
|
|
|
fs.watchFile(filePath, { interval: 1000 }, (curr, prev) => {
|
|
if (curr.mtimeMs !== prev.mtimeMs) {
|
|
bumpAppVersion();
|
|
}
|
|
});
|
|
});
|
|
}
|
|
|
|
function bumpAppVersion() {
|
|
appVersion.revision += 1;
|
|
appVersion.updatedAt = new Date().toISOString();
|
|
}
|
|
|
|
function getDefaultAmmcExecutablePath(platform = process.platform) {
|
|
if (platform === "win32") {
|
|
return path.join(__dirname, "AMMC", "windows64", "ammc-amb.exe");
|
|
}
|
|
if (platform === "darwin") {
|
|
return path.join(__dirname, "AMMC", "apple_m", "ammc-amb");
|
|
}
|
|
return path.join(__dirname, "AMMC", "linux_x86-64", "ammc-amb");
|
|
}
|
|
|
|
function normalizeAmmcConfig(input = {}, previous = {}) {
|
|
const decoderHost = String(input.decoderHost ?? previous.decoderHost ?? "").trim();
|
|
const executablePath = String(input.executablePath ?? previous.executablePath ?? getDefaultAmmcExecutablePath()).trim();
|
|
const workingDirectory = String(input.workingDirectory ?? previous.workingDirectory ?? "").trim();
|
|
const extraArgs = String(input.extraArgs ?? previous.extraArgs ?? "").trim();
|
|
const wsPortValue = Number(input.wsPort ?? previous.wsPort ?? 9000);
|
|
if (!Number.isFinite(wsPortValue) || wsPortValue < 1 || wsPortValue > 65535) {
|
|
throw new Error("AMMC WebSocket port must be between 1 and 65535");
|
|
}
|
|
|
|
return {
|
|
managedEnabled: Boolean(input.managedEnabled ?? previous.managedEnabled ?? false),
|
|
autoStart: Boolean(input.autoStart ?? previous.autoStart ?? false),
|
|
decoderHost,
|
|
wsPort: Math.round(wsPortValue),
|
|
executablePath,
|
|
workingDirectory,
|
|
extraArgs,
|
|
updatedAt: new Date().toISOString(),
|
|
};
|
|
}
|
|
|
|
function loadAmmcConfig() {
|
|
if (!fs.existsSync(AMMC_CONFIG_PATH)) {
|
|
return normalizeAmmcConfig({
|
|
managedEnabled: false,
|
|
autoStart: false,
|
|
decoderHost: "",
|
|
wsPort: 9000,
|
|
executablePath: getDefaultAmmcExecutablePath(),
|
|
workingDirectory: "",
|
|
extraArgs: "",
|
|
});
|
|
}
|
|
|
|
try {
|
|
const raw = fs.readFileSync(AMMC_CONFIG_PATH, "utf8");
|
|
return normalizeAmmcConfig(JSON.parse(raw));
|
|
} catch (error) {
|
|
console.error(`Failed to load AMMC config: ${error instanceof Error ? error.message : String(error)}`);
|
|
return normalizeAmmcConfig({
|
|
managedEnabled: false,
|
|
autoStart: false,
|
|
decoderHost: "",
|
|
wsPort: 9000,
|
|
executablePath: getDefaultAmmcExecutablePath(),
|
|
workingDirectory: "",
|
|
extraArgs: "",
|
|
});
|
|
}
|
|
}
|
|
|
|
function saveAmmcConfig(config) {
|
|
fs.writeFileSync(AMMC_CONFIG_PATH, JSON.stringify(config, null, 2));
|
|
}
|
|
|
|
function resolveAmmcExecutable(executablePath) {
|
|
const value = String(executablePath || "").trim();
|
|
if (!value) {
|
|
return getDefaultAmmcExecutablePath();
|
|
}
|
|
if (path.isAbsolute(value)) {
|
|
return value;
|
|
}
|
|
return path.join(__dirname, value);
|
|
}
|
|
|
|
function resolveAmmcWorkingDirectory(config, executablePath) {
|
|
const explicitDir = String(config.workingDirectory || "").trim();
|
|
if (!explicitDir) {
|
|
return path.dirname(executablePath);
|
|
}
|
|
return path.isAbsolute(explicitDir) ? explicitDir : path.join(__dirname, explicitDir);
|
|
}
|
|
|
|
function parseExtraArgs(extraArgs) {
|
|
return String(extraArgs || "")
|
|
.split(/\s+/)
|
|
.map((part) => part.trim())
|
|
.filter(Boolean);
|
|
}
|
|
|
|
function isAmmcRunning() {
|
|
return Boolean(ammcState.process && ammcState.process.exitCode == null && !ammcState.process.killed);
|
|
}
|
|
|
|
function buildAmmcStatus() {
|
|
const resolvedExecutablePath = resolveAmmcExecutable(ammcState.config.executablePath);
|
|
const workingDirectory = resolveAmmcWorkingDirectory(ammcState.config, resolvedExecutablePath);
|
|
return {
|
|
running: isAmmcRunning(),
|
|
pid: ammcState.pid,
|
|
startedAt: ammcState.startedAt,
|
|
stoppedAt: ammcState.stoppedAt,
|
|
lastExitCode: ammcState.lastExitCode,
|
|
lastExitSignal: ammcState.lastExitSignal,
|
|
lastError: ammcState.lastError,
|
|
lastOutput: ammcState.lastOutput,
|
|
serverPlatform: process.platform,
|
|
executableExists: fs.existsSync(resolvedExecutablePath),
|
|
resolvedExecutablePath,
|
|
workingDirectory,
|
|
};
|
|
}
|
|
|
|
function appendAmmcOutput(stream, chunk) {
|
|
const lines = String(chunk || "")
|
|
.split(/\r?\n/)
|
|
.map((line) => line.trim())
|
|
.filter(Boolean);
|
|
|
|
lines.forEach((line) => {
|
|
ammcState.lastOutput.push({
|
|
ts: new Date().toISOString(),
|
|
stream,
|
|
line,
|
|
});
|
|
});
|
|
|
|
if (ammcState.lastOutput.length > 30) {
|
|
ammcState.lastOutput.splice(0, ammcState.lastOutput.length - 30);
|
|
}
|
|
}
|
|
|
|
function startAmmcProcess() {
|
|
if (isAmmcRunning()) {
|
|
return buildAmmcStatus();
|
|
}
|
|
|
|
const config = normalizeAmmcConfig(ammcState.config, ammcState.config);
|
|
ammcState.config = config;
|
|
saveAmmcConfig(config);
|
|
|
|
if (!config.managedEnabled) {
|
|
throw new Error("Enable managed AMMC first");
|
|
}
|
|
if (!config.decoderHost) {
|
|
throw new Error("Set decoder IP/host before starting AMMC");
|
|
}
|
|
|
|
const executablePath = resolveAmmcExecutable(config.executablePath);
|
|
if (!fs.existsSync(executablePath)) {
|
|
throw new Error(`AMMC executable not found: ${executablePath}`);
|
|
}
|
|
|
|
const args = ["-w", String(config.wsPort), config.decoderHost, ...parseExtraArgs(config.extraArgs)];
|
|
const workingDirectory = resolveAmmcWorkingDirectory(config, executablePath);
|
|
|
|
ammcState.lastError = "";
|
|
appendAmmcOutput("system", `Starting ${path.basename(executablePath)} ${args.join(" ")}`);
|
|
|
|
const child = spawn(executablePath, args, {
|
|
cwd: workingDirectory,
|
|
windowsHide: true,
|
|
stdio: ["ignore", "pipe", "pipe"],
|
|
});
|
|
|
|
ammcState.process = child;
|
|
ammcState.pid = child.pid || null;
|
|
ammcState.startedAt = new Date().toISOString();
|
|
ammcState.stoppedAt = null;
|
|
ammcState.lastExitCode = null;
|
|
ammcState.lastExitSignal = null;
|
|
|
|
child.stdout.on("data", (chunk) => appendAmmcOutput("stdout", chunk));
|
|
child.stderr.on("data", (chunk) => appendAmmcOutput("stderr", chunk));
|
|
child.on("error", (error) => {
|
|
ammcState.lastError = error instanceof Error ? error.message : String(error);
|
|
appendAmmcOutput("error", ammcState.lastError);
|
|
});
|
|
child.on("exit", (code, signal) => {
|
|
ammcState.lastExitCode = code;
|
|
ammcState.lastExitSignal = signal;
|
|
ammcState.stoppedAt = new Date().toISOString();
|
|
appendAmmcOutput("system", `AMMC stopped (code=${code}, signal=${signal || "none"})`);
|
|
ammcState.process = null;
|
|
ammcState.pid = null;
|
|
});
|
|
|
|
return buildAmmcStatus();
|
|
}
|
|
|
|
function stopAmmcProcess() {
|
|
if (!isAmmcRunning() || !ammcState.process) {
|
|
return Promise.resolve(buildAmmcStatus());
|
|
}
|
|
|
|
const child = ammcState.process;
|
|
return new Promise((resolve) => {
|
|
let settled = false;
|
|
const finish = () => {
|
|
if (!settled) {
|
|
settled = true;
|
|
resolve(buildAmmcStatus());
|
|
}
|
|
};
|
|
|
|
child.once("exit", finish);
|
|
child.kill();
|
|
|
|
setTimeout(() => {
|
|
if (!settled && isAmmcRunning()) {
|
|
if (process.platform !== "win32") {
|
|
child.kill("SIGKILL");
|
|
}
|
|
finish();
|
|
}
|
|
}, 3000);
|
|
});
|
|
}
|
|
|
|
function maybeStartManagedAmmc() {
|
|
if (!ammcState.config.managedEnabled || !ammcState.config.autoStart) {
|
|
return;
|
|
}
|
|
|
|
try {
|
|
startAmmcProcess();
|
|
console.log("Managed AMMC started");
|
|
} catch (error) {
|
|
const msg = error instanceof Error ? error.message : String(error);
|
|
ammcState.lastError = msg;
|
|
console.error(`Managed AMMC failed to start: ${msg}`);
|
|
}
|
|
}
|
|
|
|
async function shutdown() {
|
|
await stopAmmcProcess();
|
|
removePidFile();
|
|
process.exit(0);
|
|
}
|
|
|
|
process.on("SIGINT", shutdown);
|
|
process.on("SIGTERM", shutdown);
|
|
process.on("exit", removePidFile);
|
|
|
|
function writePidFile() {
|
|
if (!PID_FILE) {
|
|
return;
|
|
}
|
|
try {
|
|
fs.writeFileSync(PID_FILE, `${process.pid}\n`);
|
|
} catch (error) {
|
|
console.error(`Failed to write pid file: ${error instanceof Error ? error.message : String(error)}`);
|
|
}
|
|
}
|
|
|
|
function removePidFile() {
|
|
if (!PID_FILE || !fs.existsSync(PID_FILE)) {
|
|
return;
|
|
}
|
|
try {
|
|
const raw = fs.readFileSync(PID_FILE, "utf8").trim();
|
|
if (String(process.pid) === raw) {
|
|
fs.rmSync(PID_FILE, { force: true });
|
|
}
|
|
} catch {
|
|
// ignore pid cleanup errors on shutdown
|
|
}
|
|
}
|