dating_touchme_app/lib/controller/mine/login_controller.dart

import 'dart:async';
import 'package:dating_touchme_app/controller/global.dart';
import 'package:flutter/material.dart';
import 'package:get/get.dart';
import 'package:get_storage/get_storage.dart';
import 'package:flutter_smart_dialog/flutter_smart_dialog.dart';
import '../../network/user_api.dart';
import 'user_controller.dart';

class LoginController extends GetxController with WidgetsBindingObserver {
  // 手机号输入
  final phoneNumber = ''.obs;
  // 验证码输入
  final verificationCode = ''.obs;
  // 是否正在发送验证码
  final isSendingCode = false.obs;
  // 倒计时秒数
  final countdownSeconds = 0.obs;
  // 是否正在登录中
  final isLoggingIn = false.obs;
  final passwordController = TextEditingController().obs;

  DateTime? startTime;

  Timer? codeTimer;

  // 从GetX依赖注入中获取UserApi实例
  late UserApi _userApi;
  // GetStorage实例，用于存储token等信息
  final storage = GetStorage();

  @override
  void onInit() {
    super.onInit();
    // 从全局依赖中获取UserApi
    _userApi = Get.find<UserApi>();

    WidgetsBinding.instance.addObserver(this);
  }

  @override
  void onClose() {
    super.onClose();
    WidgetsBinding.instance.removeObserver(this);
    codeTimer?.cancel();
  }

  @override
  void didChangeAppLifecycleState(AppLifecycleState state) {
    if (state == AppLifecycleState.resumed) {
      _recalcLeftSeconds(); // 回到前台时根据真实时间重新算一遍
    }
  }

  final isSend = false.obs;
  final checked = false.obs;

  // 获取验证码
  Future<void> getVerificationCode() async {
    if(!checked.value){
      SmartDialog.showToast('请先同意用户协议和隐私协议');
      return;
    }
    // 验证手机号格式
    if (phoneNumber.value.isEmpty || phoneNumber.value.length != 11) {
      SmartDialog.showToast('请输入正确的手机号');
      return;
    }

    isSendingCode.value = true;

    try {
      // 构建请求参数
      final params = {
        'purpose': 1, // 认证
        'verifiableAccount': phoneNumber.value,
        'verifiableAccountType': 1, // 手机
      };

      // 调用UserApi中的验证码接口
      final response = await _userApi.getVerificationCode(params);

      // 处理响应
      if (response.data.isSuccess) {
        isSend.value = true;
        // 生产环境移除打印，可考虑使用正式的日志框架
        // print('验证码发送成功');
        // 开始倒计时
        startCountdown();
      } else {
        SmartDialog.showToast(response.data.message);
      }
    } catch (e) {
      SmartDialog.showToast('网络请求失败，请重试');
    } finally {
      isSendingCode.value = false;
    }
  }

  // 开始倒计时
  void startCountdown() {
    startTime = DateTime.now();
    countdownSeconds.value = 60;
    codeTimer = Timer.periodic(const Duration(seconds: 1), (timer) {
      countdownSeconds.value--;
      if (countdownSeconds.value <= 0) {
        timer.cancel();
      }
    });
  }



  void _recalcLeftSeconds() {

    if (startTime == null) return;

    final now = DateTime.now();
    final diff = now.difference(startTime!).inSeconds;
    final left = 60 - diff;

    if (left <= 0) {
      countdownSeconds.value = 0;
      codeTimer?.cancel();
    } else {
      countdownSeconds.value = left;
    }
  }

  // 清除错误信息 - 由于使用SmartDialog，此方法不再需要
  // void clearErrorMessage() {}

  // 登录方法
  Future<void> login() async {
    if(!checked.value){
      SmartDialog.showToast('请先同意用户协议和隐私协议');
      passwordController.value.value = TextEditingValue(
        text: "",
        selection: TextSelection.fromPosition(TextPosition(offset: 0)),
      );
      return;
    }
    // 验证输入
    if (phoneNumber.value.isEmpty || phoneNumber.value.length != 11) {
      passwordController.value.value = TextEditingValue(
        text: "",
        selection: TextSelection.fromPosition(TextPosition(offset: 0)),
      );
      SmartDialog.showToast('请输入正确的手机号');
      return;
    }

    if (verificationCode.value.isEmpty) {
      passwordController.value.value = TextEditingValue(
        text: "",
        selection: TextSelection.fromPosition(TextPosition(offset: 0)),
      );
      SmartDialog.showToast('请输入验证码');
      return;
    }

    isLoggingIn.value = true;

    try {
      // 构建登录请求参数
      final params = {
        'account': phoneNumber.value,
        'accountType': 2, // 手机号类型
        'captcha': verificationCode.value,
      };

      // 调用登录接口
      final response = await _userApi.login(params);

      // 处理响应
      if (response.data.isSuccess) {
          // 保存token和用户信息
          if (response.data.data != null) {
            final result = response.data.data!;
            GlobalData().userId = result.userId;
            GlobalData().qnToken = result.token;
            await storage.write('token', result.token);
            // await storage.write('userId', result.userId);

            // 登录成功后获取用户信息
            await _handleUserInfoRetrieval(result.userId);
          }
        } else {
        SmartDialog.showToast(response.data.message);
      }
    } catch (e) {
      SmartDialog.showToast('网络请求失败，请检查网络连接');
    } finally {
      isLoggingIn.value = false;
    }
  }

  // 使用UserController中的方法获取用户信息
  Future<void> _handleUserInfoRetrieval(String userId) async {
    try {
      // 检查并注册UserController
      UserController userController;
      if (Get.isRegistered<UserController>()) {
        userController = Get.find<UserController>();
      } else {
        userController = Get.put(UserController());
      }
      
      // 使用UserController获取基础信息
      await userController.getBaseUserInfo(userId, false);
    } catch (e) {
      // 获取用户信息失败不影响登录流程
      print('获取用户信息异常: $e');
    }
  }
}