<template>
  <div class="min-h-screen flex flex-col bg-gradient-to-br from-green-50 via-teal-50 to-blue-50 py-12 px-4 sm:px-6 lg:px-8">
    <div class="sm:mx-auto sm:w-full sm:max-w-md">
      <h1 class="text-center text-3xl font-bold text-gray-800 mb-2">美乐爱觉教育</h1>
      <h2 class="text-center text-xl font-medium text-gray-600">创建账号</h2>
    </div>

    <div class="mt-8 sm:mx-auto sm:w-full sm:max-w-md">
      <FrostedGlass class="py-8 px-6 rounded-lg">
        <div v-if="error" class="mb-4 bg-red-100 border border-red-400 text-red-700 px-4 py-3 rounded-md">
          {{ error }}
        </div>

        <form class="space-y-6" @submit.prevent="handleSubmit">
          <div>
            <label for="name" class="block text-sm font-medium text-gray-700">
              姓名 <span class="text-red-500">*</span>
            </label>
            <input
              id="name"
              v-model="formData.name"
              type="text"
              required
              class="mt-1 block w-full px-3 py-2 border border-gray-300 rounded-md shadow-sm focus:outline-none focus:ring-green-500 focus:border-green-500"
            />
          </div>

          <div>
            <label for="phone" class="block text-sm font-medium text-gray-700">
              手机号 <span class="text-red-500">*</span>
            </label>
            <input
              id="phone"
              v-model="formData.phone"
              autocomplete="tel"
              type="tel"
              required
              pattern="^1[3-9]\d{9}$"
              maxlength="11"
              @input="formData.phone = formData.phone.replace(/\D/g, '')"
              @blur="validatePhone"
              class="mt-1 block w-full px-3 py-2 border border-gray-300 rounded-md shadow-sm focus:outline-none focus:ring-green-500 focus:border-green-500"
            />
          </div>

          <div>
            <label for="verificationCode" class="block text-sm font-medium text-gray-700">
              验证码 <span class="text-red-500">*</span>
            </label>
            <div class="flex space-x-2">
              <input
                id="verificationCode"
                v-model="formData.verificationCode"
                type="text"
                required
                maxlength="6"
                class="mt-1 block w-full px-3 py-2 border border-gray-300 rounded-md shadow-sm focus:outline-none focus:ring-green-500 focus:border-green-500"
              />
              <button
                type="button"
                :disabled="countdown > 0 || !isPhoneValid"
                @click="sendVerificationCode"
                class="mt-1 px-4 py-2 border border-transparent text-sm font-medium rounded-md text-white bg-green-600 hover:bg-green-700 focus:outline-none focus:ring-2 focus:ring-offset-2 focus:ring-green-500 disabled:opacity-50 disabled:cursor-not-allowed whitespace-nowrap"
              >
                {{ countdown > 0 ? `${countdown}秒后重试` : '获取验证码' }}
              </button>
            </div>
          </div>

          <div>
            <label for="password" class="block text-sm font-medium text-gray-700">
              密码 <span class="text-red-500">*</span>
            </label>
            <input
              id="password"
              v-model="formData.password"
              type="password"
              autocomplete="new-password"
              required
              minlength="6"
              class="mt-1 block w-full px-3 py-2 border border-gray-300 rounded-md shadow-sm focus:outline-none focus:ring-green-500 focus:border-green-500"
            />
          </div>

          <div>
            <label for="confirmPassword" class="block text-sm font-medium text-gray-700">
              确认密码 <span class="text-red-500">*</span>
            </label>
            <input
              id="confirmPassword"
              v-model="formData.confirmPassword"
              type="password"
              autocomplete="new-password"
              required
              minlength="6"
              class="mt-1 block w-full px-3 py-2 border border-gray-300 rounded-md shadow-sm focus:outline-none focus:ring-green-500 focus:border-green-500"
            />
          </div>

          <div class="flex items-center">
            <van-checkbox
              id="agreeTerms"
              v-model="formData.agreeTerms"
              shape="square"
              checked-color="#4caf50"
              class="scale-90"
              icon-size="18px"
            ><span class="text-sm">我已阅读并同意 <a href="#" class="text-green-600 hover:text-green-500" @click.prevent="openTerms">用户协议</a> 和 <a href="#" class="text-green-600 hover:text-green-500" @click.prevent="openPrivacy">隐私政策</a></span></van-checkbox>
          </div>

          <div>
            <button
              type="submit"
              :disabled="loading"
              class="w-full flex justify-center py-2 px-4 border border-transparent rounded-md shadow-sm text-sm font-medium text-white bg-gradient-to-r from-green-500 to-green-600 hover:from-green-600 hover:to-green-700 focus:outline-none focus:ring-2 focus:ring-offset-2 focus:ring-green-500"
              :class="{ 'opacity-70 cursor-not-allowed': loading }"
            >
              {{ loading ? '注册中...' : '立即注册' }}
            </button>
          </div>
        </form>

        <!-- <div class="mt-6">
          <div class="relative">
            <div class="absolute inset-0 flex items-center">
              <div class="w-full border-t border-gray-300"></div>
            </div>
            <div class="relative flex justify-center text-sm">
              <span class="px-2 bg-white/30 backdrop-blur-sm text-gray-500">
                或者
              </span>
            </div>
          </div>

          <div class="mt-6 grid grid-cols-2 gap-3">
            <button
              type="button"
              class="w-full flex justify-center py-2 px-4 border border-gray-300 rounded-md shadow-sm bg-white text-sm font-medium text-gray-700 hover:bg-gray-50"
            >
              <svg class="w-5 h-5 mr-2" fill="currentColor" viewBox="0 0 24 24">
                <path d="M12 0c-6.627 0-12 5.373-12 12s5.373 12 12 12 12-5.373 12-12-5.373-12-12-12zm-2.917 16.083c-2.258 0-4.083-1.825-4.083-4.083s1.825-4.083 4.083-4.083c1.103 0 2.024.402 2.735 1.067l-1.107 1.068c-.304-.292-.834-.63-1.628-.63-1.394 0-2.531 1.155-2.531 2.579 0 1.424 1.138 2.579 2.531 2.579 1.616 0 2.224-1.162 2.316-1.762h-2.316v-1.4h3.855c.036.204.064.408.064.677.001 2.332-1.563 3.988-3.919 3.988zm9.917-3.5h-1.75v1.75h-1.167v-1.75h-1.75v-1.166h1.75v-1.75h1.167v1.75h1.75v1.166z"></path>
              </svg>
              Google
            </button>
            <button
              type="button"
              class="w-full flex justify-center py-2 px-4 border border-gray-300 rounded-md shadow-sm bg-white text-sm font-medium text-gray-700 hover:bg-gray-50"
            >
              <svg class="w-5 h-5 mr-2" fill="currentColor" viewBox="0 0 24 24">
                <path d="M12 0c-6.627 0-12 5.373-12 12s5.373 12 12 12 12-5.373 12-12-5.373-12-12-12zm-2.917 16.083c-2.258 0-4.083-1.825-4.083-4.083s1.825-4.083 4.083-4.083c1.103 0 2.024.402 2.735 1.067l-1.107 1.068c-.304-.292-.834-.63-1.628-.63-1.394 0-2.531 1.155-2.531 2.579 0 1.424 1.138 2.579 2.531 2.579 1.616 0 2.224-1.162 2.316-1.762h-2.316v-1.4h3.855c.036.204.064.408.064.677.001 2.332-1.563 3.988-3.919 3.988zm9.917-3.5h-1.75v1.75h-1.167v-1.75h-1.75v-1.166h1.75v-1.75h1.167v1.75h1.75v1.166z"></path>
              </svg>
              微信
            </button>
          </div>
        </div> -->

        <div class="text-center mt-6">
          <p class="text-sm text-gray-600">
            已有账号?
            <router-link to="/login" class="font-medium text-green-600 hover:text-green-500">
              登录
            </router-link>
          </p>
        </div>
      </FrostedGlass>
    </div>

    <TermsPopup
      v-model:show="showTerms"
      :type="popupType"
      :title="popupTitle"
    />
    <TermsPopup
      v-model:show="showPrivacy"
      :type="popupType"
      :title="popupTitle"
    />
  </div>
</template>

<script setup>
import { ref, reactive } from 'vue'
import { useRoute, useRouter } from 'vue-router'
import FrostedGlass from '@/components/ui/FrostedGlass.vue'
import TermsPopup from '@/components/ui/TermsPopup.vue'
import { useAuth } from '@/contexts/auth'
import { useTitle } from '@vueuse/core';
import { smsAPI } from '@/api/common';
import { registerAPI } from '@/api/users';
import { showToast } from 'vant';

const $route = useRoute();
useTitle($route.meta.title);

const router = useRouter()
const { login } = useAuth()

const countdown = ref(0)

const formData = reactive({
  name: '',
  phone: '',
  verificationCode: '',
  password: '',
  confirmPassword: '',
  agreeTerms: false
})

const startCountdown = () => {
  countdown.value = 60
  const timer = setInterval(() => {
    countdown.value--
    if (countdown.value <= 0) {
      clearInterval(timer)
    }
  }, 1000)
}

const error = ref('')
const loading = ref(false)
const isPhoneValid = ref(false)

const validatePhone = () => {
  if (!formData.phone) {
    error.value = '请输入手机号'
    isPhoneValid.value = false
    return
  }

  if (!/^1[3-9]\d{9}$/.test(formData.phone)) {
    error.value = '请输入正确的手机号'
    isPhoneValid.value = false
    return
  }

  error.value = ''
  isPhoneValid.value = true
}

const sendVerificationCode = async () => {
  if (!isPhoneValid.value) {
    return
  }

  try {
    // TAG: 调用发送验证码API
    const { code } = await smsAPI({ mobile: formData.phone })
    if (code) {
      showToast('验证码已发送')
      startCountdown()
      return
    }
  } catch (err) {
    console.error('Send verification code error:', err)
    error.value = '发送验证码失败，请稍后重试'
  }
}

const handleSubmit = async () => {
  if (!formData.name || !formData.password || !formData.phone || !formData.verificationCode) {
    error.value = '请填写所有必填字段'
    return
  }

  if (!/^1[3-9]\d{9}$/.test(formData.phone)) {
    error.value = '请输入正确的手机号'
    return
  }

  if (formData.password !== formData.confirmPassword) {
    error.value = '两次输入的密码不一致'
    return
  }

  if (!formData.agreeTerms) {
    error.value = '请阅读并同意用户协议'
    return
  }

  try {
    error.value = ''
    loading.value = true

    // 调用注册接口
    const { code } = await registerAPI({
      name: formData.name,
      mobile: formData.phone,
      sms_code: formData.verificationCode,
      password: formData.password,
    })
    if (code) {
      // 使用auth.js中的login函数
      const success = login({
        name: formData.name,
        mobile: formData.phone,
        avatar: ''
      })
      if (success) {
        router.push('/')
      }
    } else {
      error.value = '注册失败，请稍后再试'
    }
  } catch (err) {
    console.error('Registration error:', err)
    error.value = '注册时发生错误'
  } finally {
    loading.value = false
  }
}
</script>

import { Checkbox as VanCheckbox } from 'vant'