#!/usr/bin/env node
/**
 * 定时自动任务（Scheduled Task Automation）本地验证
 *
 * 默认：DB + mock worker 全链路（无需 Portal 进程）
 * 可选：
 *   VERIFY_SCHEDULED_TASK_LIVE=1  等待已开启 worker 的 Portal 到点执行（需 H5_SCHEDULED_TASK_WORKER_ENABLED=1）
 *   --due-seconds=90              创建 N 秒后执行的一次性任务（live 模式用）
 */
import assert from 'node:assert/strict';
import crypto from 'node:crypto';
import fs from 'node:fs';
import mysql from 'mysql2/promise';
import { migrateSchema } from '../db.mjs';
import { parseScheduledTaskIntent, shouldUseScheduledTaskAutomation } from '../scheduled-task-intent.mjs';
import { createScheduledTaskService } from '../scheduled-task-service.mjs';
import { startScheduledTaskWorker } from '../scheduled-task-worker.mjs';
import { getLocalParts, normalizeTimezone } from '../schedule-time.mjs';

const tz = 'Asia/Shanghai';
const TEST_TITLE_PREFIX = 'VERIFY_SCHEDULED_TASK_';
let passed = 0;
let failed = 0;

function pass(label, detail = '') {
  passed += 1;
  console.log(`✔ ${label}${detail ? `: ${detail}` : ''}`);
}

function fail(label, detail = '') {
  failed += 1;
  console.error(`✘ ${label}${detail ? `: ${detail}` : ''}`);
}

function loadDatabaseUrl() {
  if (process.env.DATABASE_URL) return process.env.DATABASE_URL;
  const envPath = new URL('../.env', import.meta.url);
  if (!fs.existsSync(envPath)) return null;
  const envText = fs.readFileSync(envPath, 'utf8');
  const dbLine = envText.match(/^DATABASE_URL=(.+)$/m)?.[1]?.trim().replace(/^["']|["']$/g, '');
  return dbLine || null;
}

function parseArgs(argv) {
  const dueSecondsArg = argv.find((arg) => arg.startsWith('--due-seconds='));
  return {
    dueSeconds: dueSecondsArg ? Number(dueSecondsArg.split('=')[1]) : 120,
  };
}

function formatRunAtLocal(epochMs, timezone = tz) {
  const parts = getLocalParts(epochMs, timezone);
  return `${parts.year}-${String(parts.month).padStart(2, '0')}-${String(parts.day).padStart(2, '0')} ${String(parts.hour).padStart(2, '0')}:${String(parts.minute).padStart(2, '0')}`;
}

function testIntentLayer() {
  assert.equal(shouldUseScheduledTaskAutomation('每天6点帮我做今日新闻页面'), true);
  assert.equal(parseScheduledTaskIntent('每天6点帮我做今日新闻页面').action, 'create_scheduled_task');
  assert.equal(shouldUseScheduledTaskAutomation('每天早上7点把当天待办发给我'), false);
  pass('意图识别', '自动化 vs 待办 digest 边界正确');
}

async function cleanupTestRows(pool, userId) {
  await pool.query(
    `DELETE FROM h5_scheduled_tasks
     WHERE user_id = ? AND title LIKE ?`,
    [userId, `${TEST_TITLE_PREFIX}%`],
  );
}

async function testDatabaseAndMockWorker(pool, userId, { dueSeconds }) {
  await migrateSchema(pool);
  pass('数据库 schema', 'h5_scheduled_tasks 已就绪');

  const scheduledTaskService = createScheduledTaskService(pool, {
    defaultTimezone: normalizeTimezone(tz),
  });
  await cleanupTestRows(pool, userId);

  const runAtMs = Date.now() + Math.max(30, dueSeconds) * 1000;
  const runAtLocal = formatRunAtLocal(runAtMs, tz);
  const created = await scheduledTaskService.createTask({
    userId,
    title: `${TEST_TITLE_PREFIX}mock_pipeline`,
    taskSpec: '生成一段今日新闻摘要（验证脚本，无需写页面）',
    recurrence: 'once',
    runAtLocal,
    notifyChannel: 'web',
    sourceChannel: 'api',
    sourceText: 'verify-scheduled-task-automation',
  });
  if (created.recurrence === 'once' && created.nextRunAt > Date.now()) {
    pass('创建一次性任务', `next_run_at=${new Date(created.nextRunAt).toLocaleString('zh-CN', { timeZone: tz })}`);
  } else {
    fail('创建一次性任务', `status=${created.status}, nextRunAt=${created.nextRunAt}`);
    return;
  }

  const notDue = await scheduledTaskService.listDueTasks({ now: Date.now() - 1000 });
  if (!notDue.some((row) => row.id === created.id)) {
    pass('到期扫描（未到点）', '未来任务不会进入 due 列表');
  } else {
    fail('到期扫描（未到点）', '未来任务不应被扫描为 due');
  }

  await pool.query(
    `UPDATE h5_scheduled_tasks SET next_run_at = ?, status = 'active', locked_until = NULL WHERE id = ?`,
    [Date.now() - 1000, created.id],
  );

  const notifications = [];
  const worker = startScheduledTaskWorker({
    scheduledTaskService,
    scheduleService: {
      async createUserNotification(input) {
        notifications.push(input);
      },
    },
    userAuth: { id: 'mock-user-auth' },
    tkmindProxy: { id: 'mock-proxy' },
    executeTask: async (task) => ({
      sessionId: 'verify-session',
      requestId: crypto.randomUUID(),
      deliveryText: `验证交付：${task.title} 已在 ${new Date().toLocaleString('zh-CN', { timeZone: tz })} 完成。`,
    }),
    logger: { warn() {}, info() {} },
    runOnStart: false,
  });

  await worker.runOnce();
  worker.stop();

  const [rows] = await pool.query(
    `SELECT status, last_result_json, last_error FROM h5_scheduled_tasks WHERE id = ? LIMIT 1`,
    [created.id],
  );
  const row = rows[0];
  if (row?.status === 'completed') {
    pass('mock worker 执行', '一次性任务 status=completed');
  } else {
    fail('mock worker 执行', `status=${row?.status ?? 'missing'}, error=${row?.last_error ?? ''}`);
  }

  if (notifications.some((item) => item.notificationType === 'scheduled_task_result')) {
    pass('结果推送（mock）', 'scheduled_task_result 通知已写入');
  } else {
    fail('结果推送（mock）', `notifications=${notifications.length}`);
  }

  let lastResult = row?.last_result_json;
  if (typeof lastResult === 'string') {
    try { lastResult = JSON.parse(lastResult); } catch { lastResult = null; }
  }
  if (lastResult?.deliveryText) {
    pass('执行结果落盘', String(lastResult.deliveryText).slice(0, 80));
  } else {
    fail('执行结果落盘', 'last_result_json 缺少 deliveryText');
  }

  await cleanupTestRows(pool, userId);
}

async function testLivePortalWorker(pool, userId, { dueSeconds }) {
  const enabled = ['1', 'true', 'yes', 'on'].includes(
    String(process.env.VERIFY_SCHEDULED_TASK_LIVE ?? '').toLowerCase(),
  );
  if (!enabled) {
    pass('Live Portal worker（跳过）', '设置 VERIFY_SCHEDULED_TASK_LIVE=1 可启用');
    return;
  }

  const baseUrl = process.env.H5_PORT
    ? `http://127.0.0.1:${process.env.H5_PORT}`
    : 'http://127.0.0.1:8081';
  let portalOk = false;
  try {
    const res = await fetch(`${baseUrl}/api/status`, { signal: AbortSignal.timeout(3000) });
    portalOk = res.ok;
  } catch {
    portalOk = false;
  }
  if (!portalOk) {
    pass('Live Portal worker（跳过）', `Portal 未运行：${baseUrl}/api/status 不可达`);
    return;
  }
  pass('Live Portal 探活', baseUrl);

  const scheduledTaskService = createScheduledTaskService(pool, {
    defaultTimezone: normalizeTimezone(tz),
  });
  await cleanupTestRows(pool, userId);

  const waitSeconds = Math.max(30, Math.min(180, dueSeconds));
  const runAtMs = Date.now() + waitSeconds * 1000;
  const created = await scheduledTaskService.createTask({
    userId,
    title: `${TEST_TITLE_PREFIX}live_portal`,
    taskSpec: '用三句话总结今天的热点新闻（验证脚本，回复文本即可，不要生成页面）',
    recurrence: 'once',
    runAtLocal: formatRunAtLocal(runAtMs, tz),
    notifyChannel: 'web',
    sourceChannel: 'api',
  });
  pass('Live 任务已创建', `${waitSeconds}s 后执行，id=${created.id}`);

  console.log(`\n等待 Portal worker 执行（最多 ${waitSeconds + 120}s）…`);
  console.log('请确认 Portal 进程已设置 H5_SCHEDULED_TASK_WORKER_ENABLED=1\n');

  const deadline = Date.now() + (waitSeconds + 120) * 1000;
  let terminal = null;
  while (Date.now() < deadline) {
    const [rows] = await pool.query(
      `SELECT status, last_error, last_result_json, updated_at FROM h5_scheduled_tasks WHERE id = ? LIMIT 1`,
      [created.id],
    );
    terminal = rows[0];
    if (terminal?.status === 'completed' || terminal?.status === 'failed') break;
    await new Promise((resolve) => setTimeout(resolve, 5000));
  }

  if (terminal?.status === 'completed') {
    pass('Live Portal worker', `任务 completed，updated_at=${terminal.updated_at}`);
  } else if (terminal?.status === 'failed') {
    fail('Live Portal worker', terminal.last_error ?? 'failed');
  } else {
    fail('Live Portal worker', `超时，最后 status=${terminal?.status ?? 'unknown'}`);
  }

  await cleanupTestRows(pool, userId);
}

async function main() {
  const { dueSeconds } = parseArgs(process.argv.slice(2));
  console.log('=== 定时自动任务本地验证 ===\n');

  testIntentLayer();

  const dbUrl = loadDatabaseUrl();
  if (!dbUrl) {
    fail('数据库场景', '未配置 DATABASE_URL');
  } else {
    const pool = mysql.createPool(dbUrl);
    try {
      const username = process.env.VERIFY_SCHEDULED_TASK_USER ?? 'john8';
      const [users] = await pool.query(
        'SELECT id, username FROM h5_users WHERE username = ? LIMIT 1',
        [username],
      );
      if (!users[0]) {
        const [fallback] = await pool.query('SELECT id, username FROM h5_users ORDER BY created_at ASC LIMIT 1');
        if (!fallback[0]) {
          fail('数据库场景', '无可用测试用户');
        } else {
          pass('测试用户', `${fallback[0].username} (${fallback[0].id})`);
          await testDatabaseAndMockWorker(pool, fallback[0].id, { dueSeconds });
          await testLivePortalWorker(pool, fallback[0].id, { dueSeconds });
        }
      } else {
        pass('测试用户', `${users[0].username} (${users[0].id})`);
        await testDatabaseAndMockWorker(pool, users[0].id, { dueSeconds });
        await testLivePortalWorker(pool, users[0].id, { dueSeconds });
      }
    } finally {
      await pool.end();
    }
  }

  console.log('\n=== 汇总 ===');
  console.log(`通过: ${passed}`);
  console.log(`失败: ${failed}`);
  process.exit(failed > 0 ? 1 : 0);
}

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