import assert from 'node:assert/strict';
import test from 'node:test';
import { handleWechatIntentTransaction } from './intent-transaction.mjs';

function createDraftStore(initial = null) {
  let pending = initial;
  return {
    async getPendingDraft(userId) {
      return pending?.userId === userId ? pending : null;
    },
    async createDraft(payload) {
      pending = {
        id: 'draft-1',
        userId: payload.userId,
        layer: payload.layer,
        draftType: payload.draftType,
        actionLevel: payload.actionLevel,
        title: payload.title,
        payload: payload.payload,
        cardText: payload.cardText,
        status: 'draft',
      };
      return pending;
    },
    async cancelDraft(id, userId) {
      if (pending?.id === id && pending.userId === userId) pending = null;
      return { id, status: 'cancelled' };
    },
    async markDraftCommitted(id, userId, committedRef) {
      if (pending?.id === id && pending.userId === userId) {
        pending = { ...pending, status: 'committed', committedRef };
      }
      return pending;
    },
  };
}

function createScheduleService() {
  return {
    async createItem(payload) {
      return { id: 'item-1', ...payload };
    },
    async createReminder(payload) {
      return { id: 'reminder-1', ...payload };
    },
  };
}

const enabledEnv = { H5_INTENT_TRANSACTION_ENABLED: '1', H5_DEFAULT_TIMEZONE: 'Asia/Shanghai' };

test('intent transaction returns null when feature disabled', async () => {
  const reply = await handleWechatIntentTransaction({
    intent: { agentText: '下午2点半提醒我开会', msgId: 'm1' },
    user: { userId: 'user-1' },
    intentDraftService: createDraftStore(),
    scheduleService: createScheduleService(),
    env: { H5_INTENT_TRANSACTION_ENABLED: '0' },
  });
  assert.equal(reply, null);
});

test('intent transaction passes through new messages to goose', async () => {
  const drafts = createDraftStore();
  const reply = await handleWechatIntentTransaction({
    intent: { agentText: '下午2点半提醒我开项目计划例会', msgId: 'm2' },
    user: { userId: 'user-1' },
    intentDraftService: drafts,
    scheduleService: createScheduleService(),
    env: enabledEnv,
  });
  assert.equal(reply, null);
  assert.equal(await drafts.getPendingDraft('user-1'), null);
});

test('intent transaction passes through page generation with auto refresh wording', async () => {
  const reply = await handleWechatIntentTransaction({
    intent: {
      agentText: '我想帮我做一个页面，页面上每天自动更新天气',
      msgId: 'm-page',
    },
    user: { userId: 'user-1' },
    intentDraftService: createDraftStore(),
    scheduleService: createScheduleService(),
    env: enabledEnv,
  });
  assert.equal(reply, null);
});

test('intent transaction commits pending draft after user confirms', async () => {
  const drafts = createDraftStore({
    id: 'draft-1',
    userId: 'user-1',
    layer: 'L1',
    draftType: 'timed_reminder',
    title: '项目计划例会',
    status: 'draft',
    payload: {
      title: '项目计划例会',
      remindLocal: '2026-08-28 14:30',
      hour: 14,
      minute: 30,
      recurrence: 'once',
      sourceChannel: 'agent',
    },
  });
  const scheduleService = createScheduleService();
  const calls = [];
  scheduleService.createItem = async (payload) => {
    calls.push(['createItem', payload.title]);
    return { id: 'item-1', ...payload };
  };
  scheduleService.createReminder = async (payload) => {
    calls.push(['createReminder', payload.itemId]);
    return { id: 'reminder-1', ...payload };
  };

  const reply = await handleWechatIntentTransaction({
    intent: { agentText: '确认', msgId: 'm4' },
    user: { userId: 'user-1' },
    intentDraftService: drafts,
    scheduleService,
    env: enabledEnv,
  });
  assert.match(reply, /已设置提醒/);
  assert.equal(calls.length, 2);
});

test('intent transaction cancels pending draft', async () => {
  const drafts = createDraftStore({
    id: 'draft-1',
    userId: 'user-1',
    layer: 'L2',
    draftType: 'agent_tool',
    title: '定时任务',
    status: 'draft',
    payload: {
      toolName: 'scheduled_task_create',
      toolArgs: { taskSpec: '做新闻页面', hour: 6 },
    },
  });
  const reply = await handleWechatIntentTransaction({
    intent: { agentText: '取消', msgId: 'm5' },
    user: { userId: 'user-1' },
    intentDraftService: drafts,
    scheduleService: createScheduleService(),
    env: enabledEnv,
  });
  assert.match(reply, /已取消/);
  assert.equal(await drafts.getPendingDraft('user-1'), null);
});