<template>
  <Dialog :options="{ title: '网站续费', size: 'lg' }" v-model="show">
    <!-- 第一步：选择续费周期和支付方式 -->
    <template v-if="!showPaymentProcessing" #body-content>
      <div class="p-4 sm:p-6">
        <div class="mb-6">
          <p class="mt-1 text-sm text-gray-600">
            选择续费时长，确保您的网站持续可用
          </p>
        </div>

        <div class="mb-6">
          <label class="block text-sm font-medium text-gray-700 mb-2">
            续费周期
          </label>
          <div class="flex flex-wrap gap-3">
            <button
              v-for="period in renewalPeriods"
              :key="period.months"
              @click="selectedPeriod = period.months"
              :class="[
                'px-4 py-2 text-sm font-medium rounded-md border',
                selectedPeriod === period.months
                  ? 'bg-blue-50 border-blue-500 text-blue-700'
                  : 'border-gray-300 text-gray-700 hover:bg-gray-50'
              ]"
            >
              {{ period.name }}
              <span v-if="period.discount" class="ml-1 text-green-600">-{{ period.discount }}%</span>
            </button>
          </div>
        </div>

        <div v-if="planInfo" class="mb-6 border-t border-gray-200 pt-4">
          <div class="flex justify-between items-center">
            <div class="text-sm text-gray-600">{{ planInfo.interval === 'Annually' ? '年度费用' : '月度费用' }}</div>
            <div class="font-medium">
              {{ planInfo.currency }} {{ planInfo.price }} 
              <span class="text-gray-500 text-sm">({{ planInfo.interval === 'Annually' ? '年付' : '月付' }})</span>
            </div>
          </div>
          <div class="flex justify-between items-center mt-2">
            <div class="text-sm text-gray-600">续费时长</div>
            <div class="font-medium">{{ selectedPeriod }} 个月</div>
          </div>
          <div v-if="discountPercentage > 0" class="flex justify-between items-center mt-2">
            <div class="text-sm text-green-600">折扣</div>
            <div class="font-medium text-green-600">-{{ discountPercentage }}%</div>
          </div>
          <div class="flex justify-between items-center mt-2 text-lg font-bold">
            <div>总计</div>
            <div>{{ planInfo.currency }} {{ totalAmount }}</div>
          </div>
        </div>

        <div class="mb-6 border-t border-gray-200 pt-4">
          <label class="block text-sm font-medium text-gray-700 mb-3">
            选择支付方式
          </label>
          <div class="grid grid-cols-1 md:grid-cols-3 gap-4 mt-2">
            <button 
              class="p-4 border rounded-lg flex flex-col items-center justify-center hover:bg-gray-50 transition-all"
              :class="{'border-blue-500 border-2 shadow-sm': selectedPaymentMethod === 'balance', 'border-gray-200': selectedPaymentMethod !== 'balance'}"
              @click="selectedPaymentMethod = 'balance'"
            >
              <span class="text-gray-800 font-medium">余额支付</span>
            </button>
            
            <button 
              class="p-4 border rounded-lg hover:bg-gray-50 transition-all"
              :class="{'border-blue-500 border-2 shadow-sm': selectedPaymentMethod === 'alipay', 'border-gray-200': selectedPaymentMethod !== 'alipay'}"
              @click="selectedPaymentMethod = 'alipay'"
            >
              <div class="flex flex-col items-center">
                <div class="mb-2">
                  <AlipayLogo class="h-8" />
                </div>
              </div>
            </button>
            
            <button 
              class="p-4 border rounded-lg hover:bg-gray-50 transition-all"
              :class="{'border-blue-500 border-2 shadow-sm': selectedPaymentMethod === 'wechatpay', 'border-gray-200': selectedPaymentMethod !== 'wechatpay'}"
              @click="selectedPaymentMethod = 'wechatpay'"
            >
              <div class="flex flex-col items-center">
                <div class="mb-2">
                  <WeChatPayLogo class="h-8" />
                </div>
              </div>
            </button>
          </div>
        </div>

        <div v-if="error" class="mt-4 p-3 bg-red-50 text-red-700 rounded-md text-sm">
          {{ error }}
        </div>
      </div>
    </template>

    <!-- 第二步：处理支付 -->
    <template v-else #body-content>
      <div class="p-4 sm:p-6">
        <!-- 加载中状态 -->
        <div v-if="isProcessingPayment" class="text-center py-8">
          <div class="h-12 w-12 mx-auto animate-spin text-blue-600 mb-4 flex items-center justify-center">
            <i class="fe fe-loader text-3xl"></i>
          </div>
          <p class="text-gray-700 text-lg">正在处理支付，请稍候...</p>
        </div>
        
        <!-- 支付成功状态 -->
        <div v-else-if="paymentSuccess" class="text-center py-8">
          <div class="flex justify-center mb-6">
            <div class="rounded-full bg-green-100 p-3">
              <svg xmlns="http://www.w3.org/2000/svg" class="h-12 w-12 text-green-600" fill="none" viewBox="0 0 24 24" stroke="currentColor">
                <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M5 13l4 4L19 7" />
              </svg>
            </div>
          </div>
          <h3 class="text-xl font-medium text-gray-900 mb-2">续费成功！</h3>
          <p class="text-gray-600 mb-2">
            您的网站已成功续费 {{ selectedPeriod }} 个月
          </p>
        </div>
        
        <!-- 微信支付状态 -->
        <div v-else-if="selectedPaymentMethod === 'wechatpay' && paymentQrCode" class="text-center">
          <div class="relative mb-6">
            <div class="flex items-center justify-center">
              <WeChatPayLogo class="h-10" />
            </div>
          </div>
          
          <div class="text-center mb-6">
            <div class="text-sm text-gray-600 mb-2">扫一扫付款（元）</div>
            <div class="text-3xl font-bold text-[#FF0036]">{{ order?.total_amount }} 元</div>
          </div>
          
          <div class="flex justify-center">
            <div class="qrcode-container bg-white p-4 border border-gray-100 shadow-sm rounded-lg">
              <img 
                :src="paymentQrCodeImage" 
                alt="微信支付二维码" 
                class="qrcode-image"
              />
            </div>
          </div>
          
          <div class="mt-6 text-center">
            <p class="text-gray-600">
              请使用微信扫描二维码完成支付
            </p>
            <p class="text-gray-500 text-sm mt-2">二维码有效期 15 分钟</p>
          </div>
        </div>
        
        <!-- 支付宝支付状态 -->
        <div v-else-if="selectedPaymentMethod === 'alipay' && paymentUrl" class="text-center py-6">
          <div class="mb-6">
            <AlipayLogo class="h-10 mx-auto" />
          </div>
          
          <h3 class="text-lg font-medium text-gray-900 mb-4">请在新页面完成支付宝支付</h3>
          <p class="text-gray-600 mb-6">
            如果没有自动跳转，请点击下方按钮打开支付页面
          </p>
          <div class="space-y-4">
            <button 
              class="w-full px-6 py-3 bg-[#1677FF] text-white rounded-lg hover:bg-[#0E5FD8] transition-colors shadow-sm"
              @click="window.open(paymentUrl, '_blank')"
            >
              打开支付页面
            </button>
            <p class="text-gray-600 text-sm mt-4">
              支付完成后，请稍等片刻，系统会自动刷新页面
            </p>
          </div>
        </div>
        
        <div v-if="error" class="mt-4 p-3 bg-red-50 text-red-700 rounded-md text-sm">
          {{ error }}
        </div>
      </div>
    </template>

    <template #actions>
      <div class="w-full">
        <button v-if="!showPaymentProcessing && !paymentSuccess"
          type="button"
          class="w-full px-4 py-2 bg-[#1fc76f] border border-transparent rounded-md text-sm font-medium text-white hover:bg-[#19b862] focus:outline-none"
          @click="createRenewalOrder"
          :disabled="isLoading"
        >
          {{ isLoading ? '处理中...' : '确认续费' }}
        </button>
        
        <div class="flex justify-between w-full" v-else>          
          <button
            type="button"
            class="px-4 py-2 bg-[#1fc76f] border border-transparent rounded-md text-sm font-medium text-white hover:bg-[#19b862] focus:outline-none ml-auto"
            @click="cancel"
            v-if="paymentSuccess"
          >
            关闭
          </button>
        </div>
      </div>
    </template>
  </Dialog>
</template>

<script>
import { toast } from 'vue-sonner';
import { getCachedDocumentResource, Dialog } from 'jingrow-ui';
import { DashboardError } from '../utils/error';
import AlipayLogo from '../logo/AlipayLogo.vue';
import WeChatPayLogo from '../logo/WeChatPayLogo.vue';

export default {
  name: 'SiteRenewalDialog',
  components: {
    Dialog,
    AlipayLogo,
    WeChatPayLogo
  },
  props: {
    site: {
      type: String,
      required: true
    },
    siteDoc: {
      type: Object,
      default: null
    }
  },
  emits: ['success'],
  data() {
    return {
      show: true,
      selectedPeriod: 12, // 续费周期，默认选择12个月
      selectedPaymentMethod: null, // 默认选择余额支付
      order: null,
      showPaymentProcessing: false,
      paymentSuccess: false,
      updatedExpiryDate: null,
      error: null,
      isProcessingPayment: false,
      paymentUrl: null,
      paymentQrCode: null,
      paymentQrCodeImage: null,
      checkInterval: null,
      renewalPeriods: [
        { months: 1, name: '1个月', discount: 0 },
        { months: 12, name: '1年', discount: 10 },
        { months: 36, name: '3年', discount: 15 },
        { months: 60, name: '5年', discount: 20 }
      ]
    };
  },
  computed: {
    planInfo() {
      if (!this.$site?.pg?.current_plan) return null;
      
      const currency = this.$team.pg.currency;
      return {
        price: currency === 'CNY' 
          ? this.$site.pg.current_plan.price_cny 
          : this.$site.pg.current_plan.price_usd,
        currency: currency === 'CNY' ? '¥' : '$',
        interval: this.$site.pg.current_plan.interval || 'Monthly'
      };
    },
    discountPercentage() {
      const period = this.renewalPeriods.find(p => p.months === this.selectedPeriod);
      return period ? period.discount : 0;
    },
    totalAmount() {
      if (!this.planInfo) return '0';
      
      let basePrice;
      if (this.planInfo.interval === 'Annually') {
        const monthlyPrice = this.planInfo.price / 12;
        basePrice = monthlyPrice * this.selectedPeriod;
      } else {
        basePrice = this.planInfo.price * this.selectedPeriod;
      }
      
      const discount = basePrice * (this.discountPercentage / 100);
      return (basePrice - discount).toFixed(2);
    },
    $site() {
      return getCachedDocumentResource('Site', this.site);
    },
    $team() {
      return this.$site?.pg?.team 
        ? getCachedDocumentResource('Team', this.$site.pg.team)
        : null;
    },
    isLoading() {
      return this.$resources.createRenewalOrder.loading;
    }
  },
  resources: {
    createRenewalOrder() {
      return {
        url: 'jcloud.api.billing.create_renewal_order',
        params: {
          // 移除这里的固定参数定义，改为通过submit时传入
        },
        validate() {
          if (!this.site) {
            throw new DashboardError('缺少站点信息');
          }
        },
        onSuccess(data) {
          if (!data.success) {
            this.error = data.message || '创建续费订单失败';
            return;
          }
          
          // 显示订单支付界面
          this.order = data.order;
          this.showPaymentProcessing = true;
          
          // 立即处理支付
          this.processPayment();
        },
        onError(error) {
          console.error('创建续费订单失败:', error);
          this.error = error.message || '创建续费订单失败';
        }
      };
    },
    processBalancePayment() {
      return {
        url: 'jcloud.api.billing.process_balance_payment_for_renew_order',
        params: {},
        validate() {
          if (!this.order || !this.order.order_id) {
            throw new DashboardError('缺少订单信息');
          }
        },
        onSuccess(response) {
          // 检查响应中的success字段
          if (response.status === "Error" || response.success === false) {
            // 显示错误消息
            toast.error(response.message || '支付失败，请确保余额充足');
            this.error = response.message || '余额不足';
            this.isProcessingPayment = false;
            return;
          }
          
          // 确保传递完整的订单信息，并更新订单状态为已支付
          const orderData = { 
            ...this.order, 
            ...(response.order || {}),
            status: '已支付'
          };
          this.$emit('success', orderData);
          
          // 更新UI状态，显示成功信息（不再显示toast）
          this.isProcessingPayment = false;
          this.paymentSuccess = true;
        },
        onError(error) {
          this.error = error.message || '余额支付处理失败';
          this.isProcessingPayment = false;
        }
      };
    },
    processAlipayPayment() {
      return {
        url: 'jcloud.api.billing.process_alipay_order',
        params: {
          order_id: this.order?.order_id 
        },
        validate() {
          if (!this.order || !this.order.order_id) {
            throw new DashboardError('缺少订单信息');
          }
        },
        onSuccess(response) {
          this.paymentUrl = response.payment_url;          
          // 支付宝则打开新窗口
          window.open(response.payment_url, '_blank');
          
          // 只在这里保留一个toast提示
          toast.success('支付页面已在新窗口打开');
          
          // 开始轮询订单状态
          this.startPaymentCheck();
        },
        onError(error) {
          this.error = error.message || '支付宝支付处理失败';
          this.isProcessingPayment = false;
        }
      };
    },
    processWechatPayment() {
      return {
        url: 'jcloud.api.billing.process_wechatpay_order',
        params: {
          order_id: this.order?.order_id
        },
        validate() {
          if (!this.order || !this.order.order_id) {
            throw new DashboardError('缺少订单信息');
          }
        },
        onSuccess(response) {
          // 确保设置正确的数据
          this.paymentQrCode = response.payment_url;
          this.paymentQrCodeImage = response.qr_code_image || null;
          
          // 开始轮询订单状态
          this.startPaymentCheck();
        },
        onError(error) {
          this.error = error.message || '微信支付处理失败';
          this.isProcessingPayment = false;
        }
      };
    },
    checkPaymentStatus() {
      return {
        url: 'jcloud.api.billing.check_order_payment_status',
        params: {
          order_id: this.order?.order_id
        },
        validate() {
          if (!this.order || !this.order.order_id) {
            throw new DashboardError('缺少订单信息');
          }
        },
        onSuccess(data) {
          // 检查支付状态
          if (data && data.status === '交易成功') {
            // 支付成功，停止轮询并通知父组件
            this.stopPaymentCheck();
            
            // 移除这里的toast提示，避免重复
            // toast.success('支付成功！');
            
            // 确保传递完整的订单信息，包括原始订单和服务器返回的数据
            const orderData = { ...this.order, ...(data.order || {}) };
            this.$emit('success', orderData);
            
            // 不再关闭弹窗，而是显示成功信息
            this.paymentSuccess = true;
          }
        }
      };
    }
  },
  methods: {
    cancel() {
      this.stopPaymentCheck();
      this.show = false;
    },
    createRenewalOrder() {
      if (!this.selectedPaymentMethod) {
        this.error = '请选择支付方式';
        return;
      }
      
      this.error = null;
      this.$resources.createRenewalOrder.submit({
        site: this.site,
        renewal_months: this.selectedPeriod
      });
    },
    processPayment() {
      this.isProcessingPayment = true;
      this.error = null;
      
      if (!this.order || !this.order.order_id) {
        console.error('缺少订单ID，无法继续支付');
        this.error = '订单信息不完整，请重试';
        this.isProcessingPayment = false;
        return;
      }
      
      if (this.selectedPaymentMethod === 'balance') {
        // 处理余额支付
        this.$resources.processBalancePayment.submit({
          order_id: this.order.order_id
        });
      } else if (this.selectedPaymentMethod === 'alipay') {
        // 处理支付宝支付
        this.$resources.processAlipayPayment.submit({
          order_id: this.order.order_id
        });
      } else if (this.selectedPaymentMethod === 'wechatpay') {
        // 处理微信支付
        this.$resources.processWechatPayment.submit({
          order_id: this.order.order_id
        });
      }
    },
    startPaymentCheck() {
      this.isProcessingPayment = false;
      
      this.checkInterval = setInterval(() => {
        this.$resources.checkPaymentStatus.submit();
      }, 3000);
      
      // 15分钟后停止检查
      setTimeout(() => {
        this.stopPaymentCheck();
      }, 900000);
    },
    stopPaymentCheck() {
      if (this.checkInterval) {
        clearInterval(this.checkInterval);
        this.checkInterval = null;
      }
    },
    backToSelection() {
      this.stopPaymentCheck();
      this.showPaymentProcessing = false;
      this.paymentUrl = null;
      this.paymentQrCode = null;
      this.paymentQrCodeImage = null;
      this.error = null;
    }
  },
  beforeUnmount() {
    this.stopPaymentCheck();
  }
};
</script>

<style scoped>
.qrcode-container {
  height: 250px;
  width: 250px;
  margin: 0 auto;
  padding: 5px;
  border: 1px solid #e5e7eb;
  border-radius: 12px;
  transition: all 0.3s ease;
}

.qrcode-image {
  height: 100%;
  width: 100%;
  object-fit: contain;
}

/* 添加渐入动画 */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}
</style> 