import assert from 'node:assert/strict';
import { buildApp } from '../dist/app.js';
import { signAccessToken, verifyAccessToken } from '../dist/auth/jwt.js';
import { WechatApiError, parseWechatAppSecrets } from '../dist/auth/wechat-client.js';

const secret = 'test-only-jwt-secret-with-at-least-32-characters';
const token = signAccessToken({
  sub: '21',
  sid: '5c4d3af8-c63c-4edb-bf95-b84127bb3f6e',
  tid: '7',
  aid: '9',
  rv: 3
}, secret, 900, 1000);
assert.deepEqual(verifyAccessToken(token, secret, 1001), {
  iss: 'qipai-api',
  aud: 'qipai-miniapp',
  sub: '21',
  sid: '5c4d3af8-c63c-4edb-bf95-b84127bb3f6e',
  tid: '7',
  aid: '9',
  rv: 3,
  iat: 1000,
  exp: 1900
});
assert.throws(() => verifyAccessToken(token, `${secret}-wrong`, 1001), /signature/);
assert.throws(() => verifyAccessToken(token, secret, 1900), /expired/);
assert.deepEqual(parseWechatAppSecrets('{"wx-app":"secret-value"}'), {
  'wx-app': 'secret-value'
});

let sessionValid = true;
let revokedSessionId = null;
const auth = {
  repository: {
    async resolveLoginContext(appId, tenantId) {
      assert.equal(appId, 'wx-test-app');
      assert.equal(tenantId, '7');
      return { appId, tenantId, platformAppId: '9' };
    },
    async loginWithWechat(input) {
      assert.equal(input.openid, 'openid-test');
      return {
        id: input.sessionId,
        tenantId: '7',
        platformAppId: '9',
        expiresAt: input.expiresAt,
        user: {
          id: '21',
          tenantId: '7',
          userType: 'CUSTOMER',
          status: 'ACTIVE',
          roleVersion: 1,
          nickname: '',
          avatarUrl: '',
          phone: ''
        }
      };
    },
    async validateSession(sessionId, tenantId, userId) {
      if (!sessionValid) return null;
      return {
        id: sessionId,
        tenantId,
        platformAppId: '9',
        expiresAt: new Date(Date.now() + 60_000),
        user: {
          id: userId,
          tenantId,
          userType: 'CUSTOMER',
          status: 'ACTIVE',
          roleVersion: 1,
          nickname: '',
          avatarUrl: '',
          phone: ''
        }
      };
    },
    async revokeSession(sessionId) {
      revokedSessionId = sessionId;
      sessionValid = false;
      return true;
    }
  },
  wechat: {
    async exchange(appId, code) {
      assert.equal(appId, 'wx-test-app');
      assert.equal(code, 'valid-code');
      return { openid: 'openid-test', unionid: 'unionid-test' };
    }
  },
  jwtSecret: secret,
  accessTokenTtlSeconds: 900,
  sessionTtlSeconds: 604800
};

const app = await buildApp({ auth });
const login = await app.inject({
  method: 'POST',
  url: '/app-api/auth/wechat-login',
  headers: {
    'x-wechat-appid': 'wx-test-app',
    'tenant-id': '7'
  },
  payload: { code: 'valid-code' }
});
assert.equal(login.statusCode, 200);
const accessToken = login.json().data.accessToken;
assert.equal(login.json().data.user.tenantId, '7');

const me = await app.inject({
  method: 'GET',
  url: '/app-api/auth/me',
  headers: { authorization: `Bearer ${accessToken}` }
});
assert.equal(me.statusCode, 200);
assert.equal(me.json().data.user.id, '21');

const logout = await app.inject({
  method: 'POST',
  url: '/app-api/auth/logout',
  headers: { authorization: `Bearer ${accessToken}` }
});
assert.equal(logout.statusCode, 200);
assert.ok(revokedSessionId);

const afterLogout = await app.inject({
  method: 'GET',
  url: '/app-api/auth/me',
  headers: { authorization: `Bearer ${accessToken}` }
});
assert.equal(afterLogout.statusCode, 401);
assert.equal(afterLogout.json().code, 'AUTH_SESSION_INVALID');
await app.close();

const failedApp = await buildApp({
  auth: {
    ...auth,
    wechat: {
      async exchange() {
        throw new WechatApiError('invalid code');
      }
    }
  }
});
const failedLogin = await failedApp.inject({
  method: 'POST',
  url: '/app-api/auth/wechat-login',
  headers: { 'x-wechat-appid': 'wx-test-app', 'tenant-id': '7' },
  payload: { code: 'bad-code' }
});
assert.equal(failedLogin.statusCode, 401);
assert.equal(failedLogin.json().code, 'WECHAT_LOGIN_FAILED');
await failedApp.close();

console.log('PASS: M02-B JWT, WeChat login and revocable session flow is present.');