<template>
  <div class="login-container">
    <div class="login-form-container">
      <!-- Logo区域 -->
      <div class="login-header">
        <div class="logo-container">
          <div class="logo-icon">🍎</div>
          <h1 class="login-title">Apple经销商ERP系统</h1>
        </div>
        <p class="login-subtitle">欢迎登录</p>
      </div>
      
      <!-- 登录表单 -->
      <form class="login-form" @submit.prevent="handleLogin">
        <div class="form-group">
          <div class="input-wrapper">
            <span class="input-icon">👤</span>
            <input
              v-model="loginForm.username"
              type="text"
              placeholder="请输入用户名"
              class="form-input"
              required
            />
          </div>
        </div>
        
        <div class="form-group">
          <div class="input-wrapper">
            <span class="input-icon">🔒</span>
            <input
              v-model="loginForm.password"
              type="password"
              placeholder="请输入密码"
              class="form-input"
              required
            />
          </div>
        </div>
        
        <div class="form-group">
          <label class="checkbox-label">
            <input
              v-model="loginForm.rememberMe"
              type="checkbox"
              class="checkbox-input"
            />
            记住我
          </label>
          <a href="#" class="forgot-password">忘记密码？</a>
        </div>
        
        <button
          type="submit"
          class="login-btn"
          :disabled="loading"
        >
          <span class="btn-icon">{{ loading ? '⏳' : '🚀' }}</span>
          {{ loading ? '登录中...' : '登录' }}
        </button>
      </form>
    </div>
    
    <!-- 背景装饰 -->
    <div class="login-bg">
      <div class="bg-circle bg-circle-1"></div>
      <div class="bg-circle bg-circle-2"></div>
      <div class="bg-circle bg-circle-3"></div>
    </div>
  </div>
</template>

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

const router = useRouter()

// 加载状态
const loading = ref(false)

// 登录表单数据
const loginForm = reactive({
  username: '',
  password: '',
  rememberMe: false
})

// 处理登录
const handleLogin = async () => {
  if (!loginForm.username || !loginForm.password) {
    alert('请输入用户名和密码')
    return
  }
  
  loading.value = true
  
  try {
    // 调用后端登录API
    const response = await axios.post('http://localhost:8083/api/auth/login', {
      username: loginForm.username,
      password: loginForm.password,
      rememberMe: loginForm.rememberMe
    })
    
    // 登录成功
    console.log('登录成功:', response)
    console.log('响应数据结构:', {
      data: response.data,
      status: response.status,
      headers: response.headers
    })
    
    // 检查响应数据结构并保存token
    let token = null
    let userInfo = null
    
    // 尝试不同的数据结构
    if (response.data && response.data.token) {
      token = response.data.token
      userInfo = response.data.userInfo
      console.log('从response.data获取token:', token)
    } else if (response.data && response.data.data && response.data.data.token) {
      token = response.data.data.token
      userInfo = response.data.data.userInfo
      console.log('从response.data.data获取token:', token)
    } else if (response.data && response.data.result && response.data.result.token) {
      token = response.data.result.token
      userInfo = response.data.result.userInfo
      console.log('从response.data.result获取token:', token)
    } else {
      console.error('未找到token，响应结构:', response.data)
    }
    
    if (token) {
      localStorage.setItem('token', token)
      console.log('Token已保存到localStorage:', token)
      
      if (userInfo) {
        localStorage.setItem('userInfo', JSON.stringify(userInfo))
        console.log('用户信息已保存:', userInfo)
      }
      
      // 验证保存是否成功
      const savedToken = localStorage.getItem('token')
      console.log('验证保存的token:', savedToken)
    } else {
      console.error('无法获取token，请检查后端响应格式')
      alert('登录成功，但无法获取认证信息')
    }
    
    alert('登录成功！')
    
    // 跳转到首页
    console.log('准备跳转到首页...')
    
    // 添加短暂延迟，确保localStorage保存完成
    await new Promise(resolve => setTimeout(resolve, 100))
    
    // 再次验证token是否存在
    const finalToken = localStorage.getItem('token')
    console.log('跳转前最终验证token:', finalToken)
    
    if (finalToken) {
      try {
        await router.push('/main/dashboard')
        console.log('跳转成功')
      } catch (error) {
        console.error('跳转失败:', error)
        // 如果路由跳转失败，使用window.location
        console.log('使用window.location跳转')
        window.location.href = '/main/dashboard'
      }
    } else {
      console.error('Token仍然不存在，无法跳转')
      alert('认证信息保存失败，请重试')
    }
  } catch (error: any) {
    console.error('登录失败:', error)
    
    // 显示具体错误信息
    const errorMessage = error.response?.data?.message || error.message || '登录失败，请重试'
    alert(errorMessage)
  } finally {
    loading.value = false
  }
}
</script>

<style scoped>
.login-container {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 50%, #f093fb 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  margin: 0;
  padding: 0;
}

.login-form-container {
  position: relative;
  z-index: 2;
  width: 420px;
  padding: 40px;
  background: rgba(255, 255, 255, 0.95);
  border-radius: 20px;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.login-header {
  text-align: center;
  margin-bottom: 32px;
}

.logo-container {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin-bottom: 16px;
}

.logo-icon {
  font-size: 32px;
  animation: bounce 2s infinite;
}

.login-title {
  margin: 0;
  font-size: 22px;
  font-weight: 700;
  color: #333;
  background: linear-gradient(135deg, #667eea, #764ba2);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.login-subtitle {
  margin: 0;
  font-size: 14px;
  color: #666;
  font-weight: 500;
}

.login-form {
  width: 100%;
}

.form-group {
  margin-bottom: 20px;
}

.input-wrapper {
  position: relative;
  display: flex;
  align-items: center;
}

.input-icon {
  position: absolute;
  left: 12px;
  font-size: 16px;
  color: #667eea;
  z-index: 1;
}

.form-input {
  width: 100%;
  height: 40px;
  padding: 0 12px 0 40px;
  border: 2px solid #e1e5e9;
  border-radius: 10px;
  font-size: 14px;
  box-sizing: border-box;
  transition: all 0.3s ease;
  background: rgba(255, 255, 255, 0.9);
}

.form-input:focus {
  outline: none;
  border-color: #667eea;
  box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
  background: white;
  transform: translateY(-1px);
}

.checkbox-label {
  display: flex;
  align-items: center;
  font-size: 12px;
  color: #666;
  cursor: pointer;
}

.checkbox-input {
  margin-right: 6px;
}

.forgot-password {
  color: #667eea;
  text-decoration: none;
  font-size: 12px;
}

.login-options {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  margin-bottom: 20px;
}

.login-btn {
  width: 100%;
  height: 44px;
  background: linear-gradient(135deg, #667eea, #764ba2);
  color: white;
  border: none;
  border-radius: 12px;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  box-shadow: 0 4px 15px rgba(102, 126, 234, 0.3);
}

.login-btn:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(102, 126, 234, 0.4);
}

.login-btn:active:not(:disabled) {
  transform: translateY(0);
}

.login-btn:disabled {
  background: #ccc;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

.btn-icon {
  font-size: 18px;
}

.login-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
}

.bg-circle {
  position: absolute;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  animation: float 6s ease-in-out infinite;
}

.bg-circle-1 {
  width: 200px;
  height: 200px;
  top: 10%;
  left: 10%;
  animation-delay: 0s;
}

.bg-circle-2 {
  width: 150px;
  height: 150px;
  top: 60%;
  right: 10%;
  animation-delay: 2s;
}

.bg-circle-3 {
  width: 100px;
  height: 100px;
  bottom: 20%;
  left: 20%;
  animation-delay: 4s;
}

@keyframes float {
  0%, 100% {
    transform: translateY(0px);
  }
  50% {
    transform: translateY(-20px);
  }
}

@keyframes bounce {
  0%, 20%, 50%, 80%, 100% {
    transform: translateY(0);
  }
  40% {
    transform: translateY(-10px);
  }
  60% {
    transform: translateY(-5px);
  }
}

@keyframes pulse {
  0% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.05);
  }
  100% {
    transform: scale(1);
  }
}

/* 响应式设计 */
@media (max-width: 768px) {
  .login-form-container {
    width: 90%;
    padding: 24px;
  }
  
  .login-title {
    font-size: 20px;
  }
}
</style>