#!/usr/bin/env node
// Build the management console (vite) and the public website (next) in
// parallel. Each child inherits stdio with a prefix so logs stay readable.
// Exits non-zero if any build fails. Does NOT build the Rust backend.
import { spawn } from 'node:child_process';
import { fileURLToPath } from 'node:url';
import { dirname, resolve } from 'node:path';

const root = resolve(dirname(fileURLToPath(import.meta.url)), '..');

/** Run a command, prefixing each output line with [label]. */
function run(label, cmd, args, cwd) {
  return new Promise((resolveJob) => {
    const started = Date.now();
    const child = spawn(cmd, args, { cwd, shell: false });
    const pipe = (stream, sink) => {
      let buf = '';
      stream.on('data', (chunk) => {
        buf += chunk.toString();
        const lines = buf.split('\n');
        buf = lines.pop() ?? '';
        for (const line of lines) sink.write(`[${label}] ${line}\n`);
      });
      stream.on('end', () => {
        if (buf) sink.write(`[${label}] ${buf}\n`);
      });
    };
    pipe(child.stdout, process.stdout);
    pipe(child.stderr, process.stderr);
    child.on('close', (code) => {
      const secs = ((Date.now() - started) / 1000).toFixed(1);
      process.stdout.write(`[${label}] ${code === 0 ? '✓ 完成' : '✗ 失败'}（${secs}s）\n`);
      resolveJob({ label, code: code ?? 1 });
    });
    child.on('error', (err) => {
      process.stderr.write(`[${label}] 启动失败: ${err.message}\n`);
      resolveJob({ label, code: 1 });
    });
  });
}

const jobs = [
  run('web', 'npx', ['vite', 'build'], root),
  run('website', 'npm', ['--prefix', 'website', 'run', 'build'], root),
];

const results = await Promise.all(jobs);
const failed = results.filter((r) => r.code !== 0);
if (failed.length > 0) {
  process.stderr.write(`\n构建失败: ${failed.map((r) => r.label).join(', ')}\n`);
  process.exit(1);
}
process.stdout.write('\n前端 + 官网构建完成。\n');