#!/usr/bin/env node
/**
 * One-shot 103 production repairs from 2026-08-16 inspection.
 * Dry-run by default; pass --apply to mutate database rows.
 */
import process from 'node:process';
import { reconcileStuckStaticPageDeliveryContracts } from '../scheduled-task-executor.mjs';

const TANG_USER_ID = 'a70ff537-8908-486e-9b6c-042e07cc25db';
const TASKS_TO_CANCEL = [
  '781a77e5-a787-4f37-b864-e21d7e918855',
  '9df3f89a-3a06-434d-8b4c-17b1aeb8911f',
  '7f953d5f-6fc3-4191-b52a-bffcef48e77f',
  '9b537fe8-eea2-4e39-8bcb-e8f169986327',
];

function loadPool() {
  const databaseUrl = process.env.DATABASE_URL;
  if (!databaseUrl) {
    throw new Error('缺少 DATABASE_URL');
  }
  return import('mysql2/promise').then(({ default: mysql }) =>
    mysql.createPool({ uri: databaseUrl, connectionLimit: 2 }));
}

async function main() {
  const apply = process.argv.includes('--apply');
  const h5Root = process.env.H5_ROOT || '/Users/john/Project/Memind';
  const pool = await loadPool();
  const now = Date.now();
  const actions = [];

  for (const taskId of TASKS_TO_CANCEL) {
    const [rows] = await pool.query(
      `SELECT id, user_id, title, status, hour, minute
       FROM h5_scheduled_tasks WHERE id = ? LIMIT 1`,
      [taskId],
    );
    const row = rows?.[0];
    if (!row) {
      actions.push({ taskId, action: 'skip', reason: 'not_found' });
      continue;
    }
    if (row.status === 'cancelled') {
      actions.push({ taskId, action: 'skip', reason: 'already_cancelled', title: row.title });
      continue;
    }
    actions.push({
      taskId,
      action: apply ? 'cancel' : 'would_cancel',
      title: row.title,
      status: row.status,
      schedule: `${row.hour ?? '?'}:${String(row.minute ?? 0).padStart(2, '0')}`,
    });
    if (apply) {
      await pool.query(
        `UPDATE h5_scheduled_tasks
         SET status = 'cancelled', updated_at = ?, last_error = NULL
         WHERE id = ? AND user_id = ?`,
        [now, taskId, TANG_USER_ID],
      );
    }
  }

  const [activeWeather] = await pool.query(
    `SELECT id, title, hour, minute, status, last_run_at
     FROM h5_scheduled_tasks
     WHERE user_id = ? AND title LIKE '%天气预报%' AND status = 'active'
     ORDER BY hour, created_at`,
    [TANG_USER_ID],
  );

  let reconcileSummary = [];
  if (apply) {
    reconcileSummary = await reconcileStuckStaticPageDeliveryContracts({
      pool,
      h5Root,
      limit: 50,
      logger: console,
    });
  } else {
    const [stuck] = await pool.query(
      `SELECT user_id, workspace_relative_path, data_mode, status
       FROM h5_page_delivery_contracts
       WHERE status = 'preparing' AND data_mode = 'static'
       ORDER BY updated_at ASC
       LIMIT 50`,
    );
    reconcileSummary = stuck;
  }

  console.log(JSON.stringify({
    mode: apply ? 'apply' : 'dry-run',
    cancelledTasks: actions,
    remainingActiveWeatherTasks: activeWeather,
    deliveryContracts: reconcileSummary,
  }, null, 2));

  await pool.end();
}

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