// pages/real-name-auth/real-name-auth.js
Page({
  data: {
    // 表单数据
    name: '',
    phone: '',
    smsCode: '',
    
    // 焦点状态
    nameFocus: false,
    phoneFocus: false,
    codeFocus: false,
    
    // 错误提示
    nameError: '',
    phoneError: '',
    smsCodeError: '',
    
    // 验证码相关
    canSendCode: false,
    countdown: 0,
    countdownTimer: null,
    
    // 协议状态
    agreed: false,
    
    // 提交状态
    canSubmit: false,
    isSubmitting: false,
    
    // 弹窗
    showSuccessModal: false
  },

  onLoad() {
    this.checkForm();
  },

  onUnload() {
    // 清除定时器
    if (this.data.countdownTimer) {
      clearInterval(this.data.countdownTimer);
    }
  },

  // 姓名输入处理
  onNameInput(e) {
    const name = e.detail.value.trim();
    let nameError = '';
    
    if (name && !/^[\u4e00-\u9fa5]{2,10}$/.test(name)) {
      nameError = '姓名应为2-10个汉字';
    }
    
    this.setData({
      name: name,
      nameError: nameError
    }, () => {
      this.checkForm();
      this.checkCanSendCode();
    });
  },

  onNameFocus() {
    this.setData({ nameFocus: true });
  },

  onNameBlur() {
    this.setData({ nameFocus: false });
  },

  // 手机号输入处理
  onPhoneInput(e) {
    const phone = e.detail.value.trim();
    let phoneError = '';
    
    if (phone && !/^1[3-9]\d{9}$/.test(phone)) {
      phoneError = '请输入正确的手机号码';
    }
    
    this.setData({
      phone: phone,
      phoneError: phoneError
    }, () => {
      this.checkForm();
      this.checkCanSendCode();
    });
  },

  onPhoneFocus() {
    this.setData({ phoneFocus: true });
  },

  onPhoneBlur() {
    this.setData({ phoneFocus: false });
  },

  // 验证码输入处理
  onSmsCodeInput(e) {
    const smsCode = e.detail.value.trim();
    let smsCodeError = '';
    
    if (smsCode && !/^\d{6}$/.test(smsCode)) {
      smsCodeError = '请输入6位数字验证码';
    }
    
    this.setData({
      smsCode: smsCode,
      smsCodeError: smsCodeError
    }, () => {
      this.checkForm();
    });
  },

  onCodeFocus() {
    this.setData({ codeFocus: true });
  },

  onCodeBlur() {
    this.setData({ codeFocus: false });
  },

  // 检查是否可以发送验证码
  checkCanSendCode() {
    const { name, phone, nameError, phoneError } = this.data;
    const canSendCode = name && phone && !nameError && !phoneError;
    this.setData({ canSendCode });
  },

  // 发送验证码
  async sendSmsCode() {
    const { name, phone, countdown } = this.data;
    
    if (countdown > 0) return;
    
    // 验证手机号格式
    if (!/^1[3-9]\d{9}$/.test(phone)) {
      this.setData({ phoneError: '请输入正确的手机号码' });
      return;
    }
    
    // 显示加载
    wx.showLoading({
      title: '发送中...',
      mask: true
    });

    try {
      // 模拟发送验证码请求
      await new Promise(resolve => setTimeout(resolve, 1500));
      
      wx.hideLoading();
      
      // 发送成功
      wx.showToast({
        title: '验证码已发送',
        icon: 'success',
        duration: 2000
      });
      
      // 开始倒计时
      this.startCountdown();
      
    } catch (error) {
      wx.hideLoading();
      wx.showToast({
        title: '发送失败，请重试',
        icon: 'error',
        duration: 2000
      });
    }
  },

  // 开始倒计时
  startCountdown() {
    this.setData({ countdown: 60 });
    
    const timer = setInterval(() => {
      let { countdown } = this.data;
      countdown--;
      
      if (countdown <= 0) {
        clearInterval(timer);
        this.setData({
          countdown: 0,
          countdownTimer: null
        });
      } else {
        this.setData({
          countdown: countdown,
          countdownTimer: timer
        });
      }
    }, 1000);
  },

  // 协议处理
  toggleAgreement() {
    this.setData({
      agreed: !this.data.agreed
    }, () => {
      this.checkForm();
    });
  },

  viewAgreement() {
    wx.navigateTo({
      url: '/pages/web-view/web-view?url=' + encodeURIComponent('https://your-domain.com/agreement')
    });
  },

  viewPrivacy() {
    wx.navigateTo({
      url: '/pages/web-view/web-view?url=' + encodeURIComponent('https://your-domain.com/privacy')
    });
  },

  // 检查表单
  checkForm() {
    const {
      name,
      phone,
      smsCode,
      nameError,
      phoneError,
      smsCodeError,
      agreed
    } = this.data;

    const isValid = name && 
                   phone && 
                   smsCode && 
                   !nameError && 
                   !phoneError && 
                   !smsCodeError && 
                   agreed;

    this.setData({
      canSubmit: isValid
    });
  },

  // 提交认证
  async submitAuth() {
    if (!this.data.canSubmit || this.data.isSubmitting) return;
    
    this.setData({ isSubmitting: true });
    
    // 验证数据
    const { name, phone, smsCode } = this.data;
    
    // 最终验证
    if (!/^[\u4e00-\u9fa5]{2,10}$/.test(name)) {
      this.setData({
        nameError: '姓名应为2-10个汉字',
        isSubmitting: false
      });
      return;
    }
    
    if (!/^1[3-9]\d{9}$/.test(phone)) {
      this.setData({
        phoneError: '请输入正确的手机号码',
        isSubmitting: false
      });
      return;
    }
    
    if (!/^\d{6}$/.test(smsCode)) {
      this.setData({
        smsCodeError: '请输入6位数字验证码',
        isSubmitting: false
      });
      return;
    }

    try {
      // 模拟API请求
      await new Promise(resolve => setTimeout(resolve, 2000));
      
      // 提交成功
      this.setData({
        isSubmitting: false,
        showSuccessModal: true
      });
      
      // 保存认证信息到本地
      wx.setStorageSync('realNameAuth', {
        name: name,
        phone: phone,
        certified: true,
        certifiedTime: new Date().getTime()
      });
      
    } catch (error) {
      this.setData({ isSubmitting: false });
      wx.showToast({
        title: '认证失败，请重试',
        icon: 'error',
        duration: 2000
      });
    }
  },

  // 成功弹窗处理
  closeSuccessModal() {
    this.setData({ showSuccessModal: false });
  },

  // 前往首页
  goToHome() {
    this.closeSuccessModal();
    wx.switchTab({
      url: '/pages/index/index'
    });
  }
});