import assert from 'node:assert/strict';
import test from 'node:test';
import { createHealthChannelSessionStore } from './health-channel-session-store.mjs';
import { createInMemoryHealthObservationStore } from './health-observation-store.mjs';
import { createInMemoryHealthEventStore } from './health-event-store.mjs';
import { createHealthObservationService } from './health-observation-service.mjs';
import {
  HEALTH_MENU_TEXT,
  applyHealthChannelTurn,
  applyHealthWechatTurn,
  isHealthEnterText,
  shouldFallThroughWechatHealthMenuEvent,
} from './health-wechat-turn.mjs';
import { createIdleHealthChannelState } from './health-channel-state.mjs';
import { handleWechatHealthChannel } from './wechat/handlers/health.mjs';

test('health menu event only falls through when the feature flag is on', () => {
  const inbound = { event: 'click', eventKey: 'MEMIND_HEALTH' };
  assert.equal(shouldFallThroughWechatHealthMenuEvent(inbound, {}), false);
  assert.equal(
    shouldFallThroughWechatHealthMenuEvent(inbound, { MEMIND_HEALTH_ENABLED: '1' }),
    true,
  );
});

test('wechat health channel requires confirm before writing observations', async () => {
  const store = createHealthChannelSessionStore();
  const observations = createInMemoryHealthObservationStore();
  const observationService = createHealthObservationService({ store: observations });
  const userId = 'user-1';

  const entered = await handleWechatHealthChannel({
    enabled: true,
    userId,
    intent: { msgType: 'text', agentText: '健康助手' },
    inbound: {},
    store,
    observationService,
  });
  assert.match(entered, /专用通道/);

  const parsed = await handleWechatHealthChannel({
    enabled: true,
    userId,
    intent: { msgType: 'text', agentText: '137/82' },
    inbound: {},
    store,
    observationService,
  });
  assert.match(parsed, /确认保存/);
  assert.equal((await observations.list(userId)).length, 0);

  const saved = await handleWechatHealthChannel({
    enabled: true,
    userId,
    intent: { msgType: 'text', agentText: '1' },
    inbound: {},
    store,
    observationService,
  });
  assert.match(saved, /已记录/);
  const rows = await observations.list(userId);
  assert.equal(rows.length, 2);
  assert.equal(rows.some((row) => row.metricType === 'bp_systolic' && row.valueNum === 137), true);
});

test('wechat health channel prepends unread alerts on enter', async () => {
  const store = createHealthChannelSessionStore();
  const eventStore = createInMemoryHealthEventStore();
  await eventStore.insertIfNew('user-alert', {
    severity: 'alert',
    eventType: 'threshold_breach',
    ruleId: 'bp_sys_high',
    metricType: 'bp_systolic',
    message: '收缩压触发阈值',
  });

  const entered = await handleWechatHealthChannel({
    enabled: true,
    userId: 'user-alert',
    intent: { msgType: 'text', agentText: '健康助手' },
    inbound: {},
    store,
    eventStore,
  });

  assert.match(entered, /未读健康提醒/);
  assert.match(entered, /专用通道/);
});

test('disabled health channel does not intercept ordinary wechat chat', async () => {
  const reply = await handleWechatHealthChannel({
    enabled: false,
    userId: 'user-1',
    intent: { msgType: 'text', agentText: '健康助手' },
    inbound: {},
    store: createHealthChannelSessionStore(),
  });
  assert.equal(reply, null);
});

test('enter keywords are specific and photo does not auto-commit', () => {
  assert.equal(isHealthEnterText('健康助手'), true);
  assert.equal(isHealthEnterText('健康小助手'), true);
  assert.equal(isHealthEnterText('健康饮食怎么做'), false);
  const inValue = applyHealthWechatTurn({
    session: {
      channelState: {
        sessionKind: 'health',
        channel: 'wechat',
        step: 'await_value',
        action: 'record',
        metricSet: 'blood_pressure',
        context: 'morning',
        pendingDraftId: null,
        lastPrompt: null,
      },
      pendingValues: { context: 'morning' },
    },
    msgType: 'image',
    text: '',
  });
  assert.equal(inValue.handled, true);
  assert.equal(inValue.commit, null);
  assert.match(inValue.reply, /不会|手输|确认/);
});

test('unconfirmed insert is rejected by the observation store', async () => {
  const store = createInMemoryHealthObservationStore();
  await assert.rejects(
    () => store.insert('user-1', { metricType: 'bp_systolic', valueNum: 120 }),
    (error) => error.code === 'health_unconfirmed',
  );
});

test('h5 channel can enter without menu event key', () => {
  const entered = applyHealthChannelTurn({
    channel: 'h5',
    forceEnter: true,
    text: '',
  });
  assert.equal(entered.handled, true);
  assert.match(entered.reply, /专用通道/);
  assert.equal(entered.session?.channelState?.channel, 'h5');
});

test('menu item 2 enters document upload mode', () => {
  const picked = applyHealthChannelTurn({
    channel: 'h5',
    session: {
      channelState: createIdleHealthChannelState({ channel: 'h5' }),
      pendingValues: null,
    },
    text: '2',
  });
  assert.match(picked.reply, /报告照片/);
  assert.equal(picked.session?.channelState?.action, 'document');
});

test('document image archives without device extraction commit shape', () => {
  const uploaded = applyHealthChannelTurn({
    channel: 'h5',
    session: {
      channelState: {
        ...createIdleHealthChannelState({ channel: 'h5' }),
        action: 'document',
      },
      pendingValues: null,
    },
    msgType: 'image',
    text: '',
  });
  assert.equal(uploaded.commit?.type, 'document');
  assert.match(uploaded.reply, /归档/);
});

test('menu text is the exclusive wechat prompt', () => {
  assert.match(HEALTH_MENU_TEXT, /0  退出健康通道/);
});

test('h5 idle free text falls through to agent instead of replaying menu', () => {
  const result = applyHealthChannelTurn({
    channel: 'h5',
    session: {
      channelState: createIdleHealthChannelState({ channel: 'h5' }),
      pendingValues: null,
    },
    text: '帮我生成一份健康报告，分析一下最近血压',
  });
  assert.equal(result.handled, false);
});

test('wechat idle unknown text still replays menu', () => {
  const result = applyHealthChannelTurn({
    channel: 'wechat',
    session: {
      channelState: createIdleHealthChannelState({ channel: 'wechat' }),
      pendingValues: null,
    },
    text: '帮我生成一份健康报告',
  });
  assert.equal(result.handled, true);
  assert.match(result.reply, /专用通道/);
});