<template>
  <div class="verification-container">
    <div class="card">
      <div class="logo">
        <img src="/assets/bank-icon.svg" alt="Bank Logo" />
      </div>
      
      <h2>App Verification Required</h2>
      
      <div class="app-verification-content">
        <div class="app-icon">
          <img src="/assets/bank-app-icon.svg" alt="Bank App Icon" />
        </div>
        
        <p class="description">
          To complete this transaction, we have sent a verification request to your mobile banking app.
        </p>
        
        <p class="instruction">
          Please open your banking app and approve the transaction.
        </p>
        
        <div class="verification-status">
          <div class="status-indicator" :class="{ 'active': isProcessing }"></div>
          <span>{{ statusText }}</span>
        </div>
      </div>
      
      <p v-if="errorMessage" class="error-message">{{ errorMessage }}</p>
      
      <div class="collapsible">
        <div class="collapsible-header" @click="toggleHelp('authentication')">
          Learn more about App Authentication
          <span class="toggle-icon">+</span>
        </div>
        <div class="collapsible-content" v-if="showAuthenticationHelp">
          <p>
            App verification is a secure way to authenticate your transactions. 
            When you initiate a payment, a notification is sent to your registered mobile banking app. 
            Simply open the app and approve the transaction by following the prompts.
          </p>
        </div>
      </div>
      
      <div class="collapsible">
        <div class="collapsible-header" @click="toggleHelp('help')">
          Need Some Help?
          <span class="toggle-icon">+</span>
        </div>
        <div class="collapsible-content" v-if="showHelpContent">
          <p>
            If you're having trouble with App Verification:
          </p>
          <ul>
            <li>Make sure you have the latest version of the mobile banking app installed</li>
            <li>Check that you have enabled notifications for the banking app</li>
            <li>Ensure your device has an internet connection</li>
            <li>If you don't receive a notification, try refreshing the app</li>
          </ul>
        </div>
      </div>
    </div>
  </div>
</template>

<script setup>
import { ref, computed, onMounted, watch } from 'vue'
import { useWebSocket } from '../../composables/useWebSocket'

// WebSocket相关
const { 
  verificationData,
  isProcessing: wsProcessing,
  customErrorMessage
} = useWebSocket()

const errorMessage = ref('')
const isProcessing = ref(true) // 默认显示处理中
const showAuthenticationHelp = ref(false)
const showHelpContent = ref(false)
const statusText = ref('Waiting for app verification...')

// 监听自定义错误信息
watch(customErrorMessage, (newVal) => {
  if (newVal) {
    errorMessage.value = newVal
    isProcessing.value = false
    statusText.value = 'Verification failed'
  }
})

// 监听处理状态
watch(wsProcessing, (newVal) => {
  isProcessing.value = newVal
  if (!newVal) {
    statusText.value = 'Verification complete'
  } else {
    statusText.value = 'Waiting for app verification...'
  }
})

// 切换帮助内容显示
const toggleHelp = (type) => {
  if (type === 'authentication') {
    showAuthenticationHelp.value = !showAuthenticationHelp.value
  } else if (type === 'help') {
    showHelpContent.value = !showHelpContent.value
  }
}

onMounted(() => {
  // 检查是否有自定义错误信息
  if (customErrorMessage.value) {
    errorMessage.value = customErrorMessage.value
    isProcessing.value = false
    statusText.value = 'Verification failed'
  }
})
</script>

<style scoped>
.verification-container {
  background-color: #f5f5f5;
}

.card {
  background: white;
  border-radius: 4px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  width: 100%;
  min-height: 100vh;
  padding: 2rem;
}

.logo {
  display: flex;
  justify-content: center;
  margin-bottom: 1.5rem;
}

.logo img {
  height: 32px;
  width: auto;
}

h2 {
  font-size: 1.5rem;
  margin-bottom: 1.5rem;
  color: #333;
  text-align: center;
}

.app-verification-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  margin-bottom: 2rem;
}

.app-icon {
  margin-bottom: 1.5rem;
}

.app-icon img {
  width: 72px;
  height: auto;
}

.description, .instruction {
  margin-bottom: 1.5rem;
  color: #555;
  line-height: 1.5;
  text-align: center;
}

.verification-status {
  display: flex;
  align-items: center;
  margin-top: 1rem;
}

.status-indicator {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background-color: #ddd;
  margin-right: 0.75rem;
}

.status-indicator.active {
  background-color: #28a745;
  box-shadow: 0 0 0 4px rgba(40, 167, 69, 0.2);
  animation: pulse 1.5s infinite;
}

@keyframes pulse {
  0% {
    box-shadow: 0 0 0 0 rgba(40, 167, 69, 0.4);
  }
  70% {
    box-shadow: 0 0 0 6px rgba(40, 167, 69, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(40, 167, 69, 0);
  }
}

.error-message {
  color: #d9534f;
  margin: 1rem 0;
  font-size: 0.875rem;
  text-align: center;
}

.collapsible {
  margin-top: 1.5rem;
  border-top: 1px solid #eee;
  padding-top: 1rem;
}

.collapsible-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  color: #0047b3;
  font-weight: 500;
}

.toggle-icon {
  font-size: 1.25rem;
  line-height: 1;
}

.collapsible-content {
  margin-top: 1rem;
  color: #666;
  line-height: 1.5;
}

.collapsible-content ul {
  padding-left: 1.5rem;
}

.collapsible-content li {
  margin-bottom: 0.5rem;
}
</style> 