#!/usr/bin/env node
/**
 * Production startup wrapper for `next start` when `output: "standalone"`
 * is set in next.config.ts. Loads .env from a known absolute location,
 * then exec's the standalone server with the loaded env.
 *
 * Why this exists:
 *   1. `next start` against a standalone build is unsupported by Next.js —
 *      it prints "next start does not work with output: standalone
 *      configuration. Use `node .next/standalone/server.js` instead" — and
 *      silently disables the image optimizer (every `/_next/image?url=...`
 *      returned "url parameter is not allowed"), which is why all the
 *      WP-imported brand imagery never rendered. See commit 129c9d2.
 *
 *   2. bash's `set -a; . ./.env` truncates DATABASE_URL at the `&` in
 *      `&channel_binding=require`, so the server boots with empty DB env
 *      and the public storefront falls back to dark gradient backgrounds.
 *      A small Node loader sidesteps the bash word-splitting.
 *
 *   3. The standalone server reads `.next/static/` relative to itself, so
 *      the deploy workflow must `cp -r .next/static .next/standalone/.next/static`
 *      after every sync.
 *
 * Usage:
 *   PORT=3100 HOSTNAME=0.0.0.0 \
 *     NODE_BIN=/home/tyler/.cache/act/tool_cache/node/22.22.3/x64/bin/node \
 *     node /home/tyler/route-commerce/scripts/start-standalone.cjs
 *
 * pm2 typically overrides interpreter with its own node and sets `cwd`
 * arbitrarily, so we resolve the project root from the script's own path
 * instead of `process.cwd()`.
 */
const fs = require("fs");
const path = require("path");

const APP_DIR = path.resolve(__dirname, "..");
const ENV_PATH = process.env.ENV_FILE || path.join(APP_DIR, ".env");
const STANDALONE = path.join(APP_DIR, ".next", "standalone", "server.js");

if (!fs.existsSync(STANDALONE)) {
  console.error(`[start-standalone] Missing standalone server at ${STANDALONE}`);
  process.exit(1);
}

if (fs.existsSync(ENV_PATH)) {
  for (const line of fs.readFileSync(ENV_PATH, "utf8").split("\n")) {
    const m = line.match(/^([A-Z_][A-Z0-9_]*)=(.*)$/);
    if (m && !process.env[m[1]]) process.env[m[1]] = m[2];
  }
  console.log(`[start-standalone] loaded env from ${ENV_PATH}`);
} else {
  console.warn(`[start-standalone] no .env at ${ENV_PATH}; relying on existing env`);
}

// Hand off to the standalone server. Re-exec keeps the process title at
// `next-server` (next-start.sh sets it) and matches `node .next/standalone/server.js`.
const { spawn } = require("child_process");
const child = spawn(process.execPath, [STANDALONE], { stdio: "inherit", env: process.env });
child.on("exit", (code) => process.exit(code ?? 0));
for (const sig of ["SIGINT", "SIGTERM"]) {
  process.on(sig, () => child.kill(sig));
}