#!/usr/bin/env node
/**
 * One-shot proactive WeChat resend for a completed scheduled task page delivery.
 * Usage:
 *   node scripts/manual-resend-scheduled-task-wechat.mjs --user-id <uuid> --relative-path public/foo.html [--dry-run]
 */
import process from 'node:process';
import mysql from 'mysql2/promise';
import { loadH5Environment } from './load-env.mjs';
import {
  buildScheduledTaskVerifiedHtmlUrls,
  formatScheduledTaskDeliveryMessage,
  resendScheduledTaskWechatForReadyPage,
} from '../scheduled-task-executor.mjs';
import { loadWechatMpConfig, createWechatMpService } from '../wechat-mp.mjs';
import { createNotificationDispatcher } from '../notification-dispatcher.mjs';
import { createUserAuth } from '../user-auth.mjs';

loadH5Environment(new URL('.', import.meta.url).pathname);

function parseArgs(argv) {
  const args = {
    userId: '',
    relativePath: '',
    dryRun: false,
  };
  for (let i = 0; i < argv.length; i += 1) {
    const token = argv[i];
    if (token === '--user-id') args.userId = String(argv[++i] ?? '').trim();
    else if (token === '--relative-path') args.relativePath = String(argv[++i] ?? '').trim();
    else if (token === '--dry-run') args.dryRun = true;
  }
  return args;
}

async function main() {
  const { userId, relativePath, dryRun } = parseArgs(process.argv.slice(2));
  if (!userId || !relativePath) {
    throw new Error('用法: node scripts/manual-resend-scheduled-task-wechat.mjs --user-id <uuid> --relative-path public/foo.html');
  }
  if (!process.env.DATABASE_URL) {
    throw new Error('缺少 DATABASE_URL');
  }

  const pool = mysql.createPool({ uri: process.env.DATABASE_URL, connectionLimit: 2 });
  const userAuth = createUserAuth(pool);
  const wechatMpService = createWechatMpService({
    config: loadWechatMpConfig(),
    userAuth,
    apiFetch: async () => {
      throw new Error('manual resend does not proxy chat sessions');
    },
    mysqlPool: pool,
  });
  const notificationDispatcher = createNotificationDispatcher({
    sendWechatTextToUser: wechatMpService?.enabled
      ? (targetUserId, text, options) => wechatMpService.sendTextToUser(targetUserId, text, options)
      : null,
  });

  if (dryRun) {
    const verifiedHtmlUrls = buildScheduledTaskVerifiedHtmlUrls(userId, [relativePath]);
    console.log(JSON.stringify({ mode: 'dry-run', userId, relativePath, verifiedHtmlUrls }, null, 2));
    await pool.end();
    return;
  }

  const sent = await resendScheduledTaskWechatForReadyPage({
    pool,
    userId,
    relativePath,
    notificationDispatcher,
    logger: console,
  });
  console.log(JSON.stringify({
    mode: 'apply',
    userId,
    relativePath,
    sent,
  }, null, 2));
  await pool.end();
  if (!sent) process.exitCode = 1;
}

main().catch((error) => {
  console.error(error);
  process.exit(1);
});