<template>
  <div class="login-page">

    <!-- 主要内容区域 -->
    <div class="content">
      <!-- 返回按钮 -->
      <div class="back-button" @click="goBack">
        <svg width="24" height="24" viewBox="0 0 24 24" fill="none">
          <path
            d="M15 18L9 12L15 6"
            stroke="white"
            stroke-width="2"
            stroke-linecap="round"
            stroke-linejoin="round"
          />
        </svg>
      </div>

      <!-- 标题区域 -->
      <div class="header">
        <h1 class="title">Log in.</h1>
        <p class="subtitle">Redefine the styling experience with AI.</p>
        <p class="description">Use Styling Angel to speed up your fashion journey.</p>
      </div>

      <!-- 登录表单容器 -->
      <div class="login-container">
        <form @submit.prevent="handleLogin" class="login-form">
          <!-- 邮箱输入框 -->
          <div class="input-group">
            <input
              type="email"
              v-model="formData.email"
              placeholder="Email"
              class="input-field"
              required
            />
          </div>

          <!-- 密码输入框 -->
          <div class="input-group pwd">
            <input
              type="password"
              v-model="formData.password"
              placeholder="Your Password"
              class="input-field"
              required
            />
          </div>

          <!-- 登录按钮 -->
          <button type="submit" class="login-button">Log in</button>

          <!-- 忘记密码链接 -->
          <div class="forgot-password" @click="handleForgotPassword">
            Forgot Password?
          </div>

          <!-- Google登录按钮 -->
          <button type="button" class="google-button" @click="handleGoogleLogin">
            <div class="google-icon">
              <svg width="20" height="20" viewBox="0 0 24 24">
                <path
                  fill="#4285F4"
                  d="M22.56 12.25c0-.78-.07-1.53-.2-2.25H12v4.26h5.92c-.26 1.37-1.04 2.53-2.21 3.31v2.77h3.57c2.08-1.92 3.28-4.74 3.28-8.09z"
                />
                <path
                  fill="#34A853"
                  d="M12 23c2.97 0 5.46-.98 7.28-2.66l-3.57-2.77c-.98.66-2.23 1.06-3.71 1.06-2.86 0-5.29-1.93-6.16-4.53H2.18v2.84C3.99 20.53 7.7 23 12 23z"
                />
                <path
                  fill="#FBBC05"
                  d="M5.84 14.09c-.22-.66-.35-1.36-.35-2.09s.13-1.43.35-2.09V7.07H2.18C1.43 8.55 1 10.22 1 12s.43 3.45 1.18 4.93l2.85-2.22.81-.62z"
                />
                <path
                  fill="#EA4335"
                  d="M12 5.38c1.62 0 3.06.56 4.21 1.64l3.15-3.15C17.45 2.09 14.97 1 12 1 7.7 1 3.99 3.47 2.18 7.07l3.66 2.84c.87-2.6 3.3-4.53 6.16-4.53z"
                />
              </svg>
            </div>
            Sign in with Google
          </button>

          <!-- 注册链接 -->
          <div class="signup-link">
            Don't have an account?
            <a href="#" @click.prevent="handleSignup">Sign Up</a>
          </div>
        </form>
      </div>
    </div>

    <!-- 底部版权信息 -->
    <div class="footer">
      <p>Powered by AiDLab for Lane Crawford</p>
    </div>
  </div>
</template>

<script setup lang="ts">
import { ref, reactive, computed } from 'vue'
import { useRouter } from 'vue-router'
import { showToast } from 'vant'

const router = useRouter()

// 表单数据
const formData = reactive<Record<string, string>>({
  email: '',
  password: ''
})

// 表单验证状态
const formErrors = reactive<Record<string, string>>({
  email: '',
  password: ''
})

// 加载状态
const isLoading = ref(false)

// 表单验证规则
const validateEmail = (email: string) => {
  const emailRegex = /^[^\s@]+@[^\s@]+\.[^\s@]+$/
  return emailRegex.test(email)
}

const validatePassword = (password: string) => {
  return password.length >= 6
}

// 验证表单
const validateForm = () => {
  let isValid = true

  // 重置错误信息
  formErrors.email = ''
  formErrors.password = ''

  // 验证邮箱
  if (!formData.email) {
    formErrors.email = '请输入邮箱地址'
    isValid = false
  } else if (!validateEmail(formData.email)) {
    formErrors.email = '请输入有效的邮箱地址'
    isValid = false
  }

  // 验证密码
  if (!formData.password) {
    formErrors.password = '请输入密码'
    isValid = false
  } else if (!validatePassword(formData.password)) {
    formErrors.password = '密码至少需要6位字符'
    isValid = false
  }

  return isValid
}

// 计算属性：表单是否有效
const isFormValid = computed(() => {
  return (
    formData.email &&
    formData.password &&
    validateEmail(formData.email) &&
    validatePassword(formData.password)
  )
})

// 返回上一页
const goBack = () => {
  router.go(-1)
}

// 处理登录
const handleLogin = async () => {
  if (!validateForm()) {
    showToast('请检查输入信息')
    return
  }

  isLoading.value = true

  try {
    // 模拟登录API调用
    await new Promise((resolve) => setTimeout(resolve, 2000))

    // 这里添加实际的登录API调用
    // const response = await loginAPI(formData)

    showToast('登录成功')

    // 登录成功后跳转到主页或工作台
    router.push('/workshop')
  } catch (error) {
    console.error('登录失败:', error)
    showToast('登录失败，请重试')
  } finally {
    isLoading.value = false
  }
}

// 处理忘记密码
const handleForgotPassword = () => {
  showToast('忘记密码功能开发中...')
  console.log('11111111111')
  // 这里可以跳转到忘记密码页面
  // router.push('/forgot-password')
}

// 处理Google登录
const handleGoogleLogin = async () => {
  try {
    isLoading.value = true
    showToast('Google登录功能开发中...')

    // 这里添加Google OAuth登录逻辑
    // const response = await googleLoginAPI()
  } catch (error) {
    console.error('Google登录失败:', error)
    showToast('Google登录失败，请重试')
  } finally {
    isLoading.value = false
  }
}

// 处理注册
const handleSignup = () => {
  router.push('/signup')
}

// 实时验证输入
const handleEmailInput = () => {
  if (formData.email && !validateEmail(formData.email)) {
    formErrors.email = '请输入有效的邮箱地址'
  } else {
    formErrors.email = ''
  }
}

const handlePasswordInput = () => {
  if (formData.password && !validatePassword(formData.password)) {
    formErrors.password = '密码至少需要6位字符'
  } else {
    formErrors.password = ''
  }
}
</script>

<style scoped lang="less">
.login-page {
  position: relative;
  color: #fff;
  width: 100%;
  height: 100vh;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  background-image: url('@/assets/images/login_bg.png');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}



.content {
  position: relative;
  z-index: 2;
  flex: 1;
  display: flex;
  flex-direction: column;
  padding: 2rem;
  padding-top: 6rem; /* 为状态栏留出空间 */
}

.back-button {
  position: absolute;
  top: 2rem;
  left: 2rem;
  width: 4rem;
  height: 4rem;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 3;
}

.header {
  margin-bottom: 4rem;
  color: white;
  font-family: 'satoshiRegular';
}

.title {
  font-size: 3.2rem;
  font-weight: bold;
  margin-bottom: 0.8rem;
  color: white;
}

.subtitle {
  font-size: 1.6rem;
  margin-bottom: 0.4rem;
  color: white;
  opacity: 0.9;
}

.description {
  font-size: 1.4rem;
  color: white;
  opacity: 0.8;
}

.login-container {
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 20%;
   .login-form {
     position: relative;
     width: 100%;
     /* max-width: 70rem; */
     background: rgba(255, 255, 255, 0.05);
     backdrop-filter: blur(4rem);
     border: 0.1rem solid rgba(255, 255, 255, 0.15);
     border-radius: 2rem;
     padding: 8rem 4rem;
     box-shadow: 0 0.8rem 3.2rem rgba(0, 0, 0, 0.1);
     overflow: hidden;
     margin: 0 10rem;
     height: 80rem;
   }

   .login-form::before {
     content: '';
     position: absolute;
     top: 0;
     left: 0;
     right: 0;
     bottom: 0;
     filter: blur(3rem);
     z-index: -1;
     transform: scale(1.1);
   }

  .input-field {
    width: 100%;
    padding: 16px 20px;
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 25px;
    background: rgba(255, 255, 255, 0.1);
    color: white;
    font-size: 1.6rem;
    outline: none;
    transition: all 0.3s ease;
  }

  .input-field::placeholder {
    color: rgba(255, 255, 255, 0.6);
  }

  .input-field:focus {
    border-color: rgba(255, 255, 255, 0.6);
    background: rgba(255, 255, 255, 0.15);
  }

  .input-group {
    margin-bottom: 3rem;
    &.pwd {
      margin-bottom: 5rem;
    }
  }
  .login-button {
    width: 100%;
    padding: 1.6rem;
    background: #000;
    color: white;
    border: none;
    border-radius: 25px;
    font-size: 1.6rem;
    margin-bottom: 1rem;
  }
}

 .forgot-password {
   text-align: center;
   text-decoration: none;
   font-size: 1.6rem;
   text-decoration: underline;
   text-underline-offset: 0.5rem;
   margin-bottom: 20rem;
 }


.google-button {
  width: 100%;
  padding: 16px;
  background: transparent;
  color: #000;
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: 25px;
  font-size: 16px;
  cursor: pointer;
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  background: rgba(255, 255, 255, 0.9);
  margin-bottom: 1rem;
}

.google-icon {
  width: 20px;
  height: 20px;
}

.signup-link {
  text-align: center;
  color: rgba(255, 255, 255, 0.7);
  font-size: 14px;
}

.signup-link a {
  color: white;
  text-decoration: none;
  font-weight: 500;
}

.signup-link a:hover {
  text-decoration: underline;
}

.footer {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: 20px;
  color: white;
  font-size: 12px;
  opacity: 0.8;
}
</style>
