// pages/user/phone-verify/index.js
const weChatAuthService = require('../../../services/auth/wechat');

Page({
  data: {
    phoneNumber: '',
    verifyCode: '',
    canSendCode: false,
    canConfirm: false,
    sendCodeText: '发送验证码',
    countdown: 0,
    loading: false
  },

  onLoad(options) {
    // weChatAuthService 已经是一个实例，直接使用
    this.countdownTimer = null;
  },

  onUnload() {
    if (this.countdownTimer) {
      clearInterval(this.countdownTimer);
    }
  },

  // 手机号输入
  onPhoneInput(e) {
    const phoneNumber = e.detail.value;
    this.setData({
      phoneNumber
    });
    this.checkCanSendCode();
    this.checkCanConfirm();
  },

  // 验证码输入
  onVerifyCodeInput(e) {
    const verifyCode = e.detail.value;
    this.setData({
      verifyCode
    });
    this.checkCanConfirm();
  },

  // 检查是否可以发送验证码
  checkCanSendCode() {
    const { phoneNumber, countdown } = this.data;
    const phoneRegex = /^1[3-9]\d{9}$/;
    const canSendCode = phoneRegex.test(phoneNumber) && countdown === 0;
    this.setData({
      canSendCode
    });
  },

  // 检查是否可以确认绑定
  checkCanConfirm() {
    const { phoneNumber } = this.data;
    const phoneRegex = /^1[3-9]\d{9}$/;
    const canConfirm = phoneRegex.test(phoneNumber);
    this.setData({
      canConfirm
    });
  },

  // 发送验证码
  async sendVerifyCode() {
    if (!this.data.canSendCode) return;

    try {
      this.setData({ loading: true });

      // 这里应该调用后端API发送验证码
      // 暂时模拟发送成功
      await this.simulateSendCode();

      wx.showToast({
        title: '验证码已发送',
        icon: 'success'
      });

      // 开始倒计时
      this.startCountdown();

    } catch (error) {
      console.error('发送验证码失败:', error);
      wx.showToast({
        title: '发送失败，请重试',
        icon: 'none'
      });
    } finally {
      this.setData({ loading: false });
    }
  },

  // 模拟发送验证码（实际项目中应该调用真实API）
  simulateSendCode() {
    return new Promise((resolve) => {
      setTimeout(resolve, 1000);
    });
  },

  // 开始倒计时
  startCountdown() {
    let countdown = 60;
    this.setData({
      countdown,
      sendCodeText: `${countdown}s后重发`,
      canSendCode: false
    });

    this.countdownTimer = setInterval(() => {
      countdown--;
      if (countdown > 0) {
        this.setData({
          countdown,
          sendCodeText: `${countdown}s后重发`
        });
      } else {
        this.setData({
          countdown: 0,
          sendCodeText: '重新发送'
        });
        this.checkCanSendCode();
        clearInterval(this.countdownTimer);
      }
    }, 1000);
  },

  // 确认绑定
  async confirmBind() {
    if (!this.data.canConfirm) return;

    try {
      this.setData({ loading: true });

      const { phoneNumber } = this.data;

      // 直接更新用户信息，不验证验证码
      await this.updateUserPhone(phoneNumber);

      wx.showToast({
        title: '绑定成功',
        icon: 'success'
      });

      // 延迟返回上一页
      setTimeout(() => {
        wx.navigateBack();
      }, 1500);

    } catch (error) {
      console.error('绑定手机号失败:', error);
      wx.showToast({
        title: error.message || '绑定失败，请重试',
        icon: 'none'
      });
    } finally {
      this.setData({ loading: false });
    }
  },



  // 更新用户手机号
  async updateUserPhone(phoneNumber) {
    try {
      // 调用微信授权服务更新用户信息
      await weChatAuthService.updateUserProfile({
        phoneNumber: phoneNumber
      });

      // 更新本地存储的用户信息
      const userInfo = wx.getStorageSync('userInfo') || {};
      userInfo.phoneNumber = phoneNumber;
      wx.setStorageSync('userInfo', userInfo);

    } catch (error) {
      console.error('更新用户手机号失败:', error);
      throw error;
    }
  }
});