import test from 'node:test';
import assert from 'node:assert/strict';

import {
  buildSubscribeMorningReminderPromptLines,
  commitSubscribeMorningReminder,
  createSubscribeMorningReminderPendingStore,
  formatSubscribeMorningReminderCancelledReply,
  formatSubscribeMorningReminderCommittedReply,
  formatSubscribeMorningReminderUpdatedReply,
  handleSubscribeMorningReminderManageTurn,
  handleSubscribeMorningReminderTurn,
  isSubscribeMorningConfirmReply,
  parseSubscribeMorningCancelRequest,
  parseSubscribeMorningConfirmReply,
  parseSubscribeMorningModifyRequest,
} from './subscribe-morning-reminder.mjs';

test('parseSubscribeMorningConfirmReply accepts 1 and 1 with custom time', () => {
  assert.deepEqual(parseSubscribeMorningConfirmReply('1', { defaultHour: 8, defaultMinute: 0 }), {
    hour: 8,
    minute: 0,
  });
  assert.deepEqual(parseSubscribeMorningConfirmReply(' 1 7点 '), { hour: 7, minute: 0 });
  assert.deepEqual(parseSubscribeMorningConfirmReply('１ 7:30'), { hour: 7, minute: 30 });
  assert.equal(parseSubscribeMorningConfirmReply('确认'), null);
  assert.equal(parseSubscribeMorningConfirmReply('11'), null);
  assert.equal(isSubscribeMorningConfirmReply('1 7点'), true);
});

test('parseSubscribeMorningCancelRequest detects cancel phrases', () => {
  assert.equal(parseSubscribeMorningCancelRequest('取消早安'), true);
  assert.equal(parseSubscribeMorningCancelRequest('不要早安了'), true);
  assert.equal(parseSubscribeMorningCancelRequest('1'), false);
});

test('parseSubscribeMorningModifyRequest parses morning time change', () => {
  assert.deepEqual(parseSubscribeMorningModifyRequest('早安改到7点'), { hour: 7, minute: 0 });
  assert.deepEqual(parseSubscribeMorningModifyRequest('把早安改成7点半'), { hour: 7, minute: 30 });
  assert.equal(parseSubscribeMorningModifyRequest('你好'), null);
});

test('handleSubscribeMorningReminderTurn creates daily reminder only on reply 1', async () => {
  const store = createSubscribeMorningReminderPendingStore();
  const calls = [];
  const scheduleService = {
    async findActiveItemByMetadataSource() {
      return null;
    },
    async createItem(payload) {
      calls.push(['createItem', payload]);
      return { id: 'item-1', ...payload };
    },
    async createReminder(payload) {
      calls.push(['createReminder', payload]);
      return { id: 'rem-1', ...payload };
    },
  };

  await store.setPending({ appId: 'wx-app', openid: 'openid-a' });

  const ignored = await handleSubscribeMorningReminderTurn({
    appId: 'wx-app',
    openid: 'openid-a',
    text: '你好',
    pendingStore: store,
    scheduleService,
    boundUser: { userId: 'user-1' },
    hour: 8,
    minute: 0,
  });
  assert.equal(ignored, null);
  assert.equal(calls.length, 0);
  assert.equal(await store.getPending({ appId: 'wx-app', openid: 'openid-a' }), null);

  await store.setPending({ appId: 'wx-app', openid: 'openid-b' });
  const committed = await handleSubscribeMorningReminderTurn({
    appId: 'wx-app',
    openid: 'openid-b',
    text: '1 7点',
    pendingStore: store,
    scheduleService,
    boundUser: { userId: 'user-2' },
    hour: 8,
    minute: 0,
  });
  assert.equal(
    committed,
    formatSubscribeMorningReminderCommittedReply({ hour: 7, minute: 0 }),
  );
  assert.equal(calls.length, 2);
  assert.equal(calls[0][1].metadata.dailyHour, 7);
  assert.equal(calls[1][1].channel, 'wechat');
});

test('handleSubscribeMorningReminderTurn keeps pending when unbound user replies 1', async () => {
  const store = createSubscribeMorningReminderPendingStore();
  await store.setPending({ appId: 'wx-app', openid: 'openid-c' });

  const reply = await handleSubscribeMorningReminderTurn({
    appId: 'wx-app',
    openid: 'openid-c',
    text: '1',
    pendingStore: store,
    scheduleService: null,
    boundUser: null,
    bindUrl: 'https://m.tkmind.cn/bind',
  });

  assert.match(reply, /请先完成绑定/);
  assert.match(reply, /https:\/\/m\.tkmind\.cn\/bind/);
  assert.ok(await store.getPending({ appId: 'wx-app', openid: 'openid-c' }));
});

test('handleSubscribeMorningReminderManageTurn updates and cancels active reminder', async () => {
  const calls = [];
  const scheduleService = {
    async findActiveItemByMetadataSource() {
      return {
        id: 'item-morning',
        metadata: { source: 'subscribe_morning_reminder', dailyHour: 8, dailyMinute: 0 },
      };
    },
    async updateDailyScheduleItem(payload) {
      calls.push(['update', payload]);
      return payload;
    },
    async cancelScheduleItem(payload) {
      calls.push(['cancel', payload]);
      return payload;
    },
  };

  const updated = await handleSubscribeMorningReminderManageTurn({
    text: '早安改到7点',
    scheduleService,
    boundUser: { userId: 'user-1' },
  });
  assert.equal(updated, formatSubscribeMorningReminderUpdatedReply({ hour: 7, minute: 0 }));
  assert.deepEqual(calls[0], ['update', {
    userId: 'user-1',
    itemId: 'item-morning',
    hour: 7,
    minute: 0,
    timezone: 'Asia/Shanghai',
  }]);

  const cancelled = await handleSubscribeMorningReminderManageTurn({
    text: '取消早安',
    scheduleService,
    boundUser: { userId: 'user-1' },
  });
  assert.equal(cancelled, formatSubscribeMorningReminderCancelledReply());
  assert.equal(calls[1][0], 'cancel');
});

test('buildSubscribeMorningReminderPromptLines mentions reply 1 and custom time', () => {
  const text = buildSubscribeMorningReminderPromptLines({ hour: 8, minute: 0 }).join('\n');
  assert.match(text, /回复 1 确认/);
  assert.match(text, /1 7点/);
  assert.match(text, /取消早安/);
});

test('handleSubscribeMorningReminderTurn uses llm fallback before clearing pending', async () => {
  const store = createSubscribeMorningReminderPendingStore();
  const calls = [];
  const scheduleService = {
    async findActiveItemByMetadataSource() {
      return null;
    },
    async createItem(payload) {
      calls.push(['createItem', payload]);
      return { id: 'item-llm', ...payload };
    },
    async createReminder(payload) {
      calls.push(['createReminder', payload]);
      return { id: 'rem-llm', ...payload };
    },
  };
  const llmProviderService = {
    async createChatCompletion() {
      return {
        ok: true,
        reply: JSON.stringify({
          action: 'confirm',
          hour: 7,
          minute: 30,
          confidence: 0.95,
        }),
      };
    },
  };
  const configService = {
    async isSubscribeMorningLlmEnabled() {
      return true;
    },
    async getConfig() {
      return {
        modelProviderKeyId: null,
        model: null,
        minConfidence: 0.65,
        timeoutMs: 4000,
      };
    },
  };

  await store.setPending({ appId: 'wx-app', openid: 'openid-llm' });
  const reply = await handleSubscribeMorningReminderTurn({
    appId: 'wx-app',
    openid: 'openid-llm',
    text: '不要八点，改七点半',
    pendingStore: store,
    scheduleService,
    boundUser: { userId: 'user-llm' },
    hour: 8,
    minute: 0,
    wechatSubscribeMorningLlmConfigService: configService,
    llmProviderService,
  });

  assert.equal(
    reply,
    formatSubscribeMorningReminderCommittedReply({ hour: 7, minute: 30 }),
  );
  assert.equal(calls[0][1].metadata.dailyHour, 7);
  assert.equal(await store.getPending({ appId: 'wx-app', openid: 'openid-llm' }), null);
});

test('commitSubscribeMorningReminder updates existing item instead of creating duplicate', async () => {
  const calls = [];
  const scheduleService = {
    async findActiveItemByMetadataSource() {
      return { id: 'item-existing' };
    },
    async updateDailyScheduleItem(payload) {
      calls.push(['updateDailyScheduleItem', payload]);
      return { item: { id: 'item-existing', ...payload }, reminder: { id: 'rem-2' } };
    },
    async createItem(payload) {
      calls.push(['createItem', payload]);
      return { id: 'item-new', ...payload };
    },
    async createReminder(payload) {
      calls.push(['createReminder', payload]);
      return { id: 'rem-new', ...payload };
    },
  };

  const committed = await commitSubscribeMorningReminder({
    userId: 'user-3',
    scheduleService,
    hour: 7,
    minute: 30,
    timezone: 'Asia/Shanghai',
  });

  assert.equal(committed.item.id, 'item-existing');
  assert.equal(calls.length, 1);
  assert.equal(calls[0][0], 'updateDailyScheduleItem');
});