import assert from 'node:assert/strict';
import test from 'node:test';
import {
  createTaskUnifiedService,
  formatUnifiedTaskListReply,
  mapCommitToUnifiedTask,
} from './task-unified-service.mjs';

test('mapCommitToUnifiedTask maps timed reminder commit', () => {
  const mapped = mapCommitToUnifiedTask({
    userId: 'user-1',
    kind: 'timed_reminder',
    committed: {
      item: { id: 'item-1', title: '项目计划例会', startAt: 1000, timezone: 'Asia/Shanghai' },
      reminder: { id: 'rem-1', remindAt: 1000, channel: 'wechat' },
    },
  });
  assert.equal(mapped.type, 'reminder');
  assert.equal(mapped.title, '项目计划例会');
  assert.deepEqual(mapped.legacyRef, { table: 'h5_schedule_reminders', id: 'rem-1' });
});

test('mapCommitToUnifiedTask maps scheduled task commit', () => {
  const mapped = mapCommitToUnifiedTask({
    userId: 'user-1',
    kind: 'scheduled_task',
    committed: {
      task: {
        id: 'task-1',
        title: '每日新闻页',
        taskSpec: '搜索今日新闻并生成 HTML 页面',
        recurrence: 'daily',
        hour: 6,
        minute: 0,
        nextRunAt: 2000,
        timezone: 'Asia/Shanghai',
      },
    },
  });
  assert.equal(mapped.type, 'automation');
  assert.equal(mapped.actionLevel, 2);
});

test('formatUnifiedTaskListReply renders mixed task types', () => {
  const text = formatUnifiedTaskListReply([
    {
      type: 'automation',
      title: '每日新闻页',
      trigger: { repeat: 'daily', hour: 6, minute: 0 },
      nextRunAt: null,
    },
    {
      type: 'reminder',
      title: '项目计划例会',
      trigger: { at: 1000, timezone: 'Asia/Shanghai' },
      nextRunAt: 1000,
    },
  ]);
  assert.match(text, /任务一览/);
  assert.match(text, /每日新闻页/);
  assert.match(text, /项目计划例会/);
});

function createMemoryPool() {
  const tasks = [];
  return {
    tasks,
    async query(sql, params = []) {
      if (sql.includes('INSERT INTO h5_tasks')) {
        const row = {
          id: params[0],
          user_id: params[1],
          type: params[2],
          title: params[3],
          spec_json: params[4],
          trigger_json: params[5],
          action_json: params[6],
          action_level: params[7],
          notify_channel: params[8],
          status: params[9],
          next_run_at: params[10],
          last_run_at: params[11],
          legacy_ref_json: params[12],
          source_channel: params[13],
          source_message_id: params[14],
          source_text: params[15],
          created_at: params[16],
          updated_at: params[17],
        };
        tasks.push(row);
        return [{ affectedRows: 1 }];
      }
      if (sql.includes('SELECT id FROM h5_tasks') && sql.includes('legacy_ref_json')) {
        const ref = params[1];
        const hit = tasks.find((row) => row.user_id === params[0] && row.legacy_ref_json === ref);
        return [[hit].filter(Boolean)];
      }
      if (sql.includes('SELECT * FROM h5_tasks WHERE id = ?')) {
        return [[tasks.find((row) => row.id === params[0])].filter(Boolean)];
      }
      if (sql.includes('SELECT * FROM h5_tasks') && sql.includes('user_id = ?')) {
        return [tasks.filter((row) => row.user_id === params[0] && row.status === params[1])];
      }
      if (sql.includes('FROM h5_scheduled_tasks')) return [[]];
      if (sql.includes('FROM h5_schedule_reminders')) return [[]];
      if (sql.includes('FROM h5_schedule_digest_subscriptions')) return [[]];
      throw new Error(`Unexpected SQL: ${sql}`);
    },
  };
}

test('syncFromCommit inserts unified task row', async () => {
  const pool = createMemoryPool();
  const service = createTaskUnifiedService(pool, { clock: { now: () => 3000 } });
  const row = await service.syncFromCommit({
    userId: 'user-1',
    kind: 'create_todo',
    committed: { item: { id: 'item-1', title: '跟进合同', timezone: 'Asia/Shanghai' } },
  });
  assert.equal(row.type, 'todo');
  assert.equal(row.title, '跟进合同');
  assert.equal(pool.tasks.length, 1);
});

test('listUserTasks merges stored and legacy without duplicates', async () => {
  const pool = createMemoryPool();
  pool.query = async (sql, params = []) => {
    if (sql.includes('INSERT INTO h5_tasks') || sql.includes('SELECT id FROM h5_tasks')) {
      return createMemoryPool().query(sql, params);
    }
    if (sql.includes('SELECT * FROM h5_tasks') && sql.includes('user_id = ?')) {
      return [[{
        id: 'unified-1',
        user_id: 'user-1',
        type: 'automation',
        title: '每日新闻页',
        spec_json: '{}',
        trigger_json: '{"repeat":"daily","hour":6,"minute":0}',
        action_json: '{"kind":"agent_run"}',
        action_level: 2,
        notify_channel: 'both',
        status: 'active',
        next_run_at: 5000,
        last_run_at: null,
        legacy_ref_json: '{"table":"h5_scheduled_tasks","id":"task-1"}',
        source_channel: 'wechat',
        source_message_id: null,
        source_text: null,
        created_at: 1000,
        updated_at: 1000,
      }]];
    }
    if (sql.includes('FROM h5_scheduled_tasks')) {
      return [[{
        id: 'task-1',
        user_id: 'user-1',
        title: '每日新闻页',
        task_spec: 'news',
        recurrence: 'daily',
        hour: 6,
        minute: 0,
        weekday: null,
        timezone: 'Asia/Shanghai',
        next_run_at: 5000,
        status: 'active',
        source_channel: 'wechat',
        source_message_id: null,
        source_text: null,
        created_at: 1000,
        updated_at: 1000,
      }]];
    }
    if (sql.includes('FROM h5_schedule_reminders')) return [[]];
    if (sql.includes('FROM h5_schedule_digest_subscriptions')) return [[]];
    if (sql.includes('FROM h5_balance_alert_subscriptions')) return [[]];
    if (sql.includes('FROM h5_schedule_items') && sql.includes("kind = 'task'")) return [[]];
    throw new Error(`Unexpected SQL: ${sql}`);
  };
  const service = createTaskUnifiedService(pool);
  const tasks = await service.listUserTasks({ userId: 'user-1', limit: 10 });
  assert.equal(tasks.length, 1);
  assert.equal(tasks[0].id, 'unified-1');
});