<template>
  <view class="search-page">
    <!-- 搜索栏 -->
    <nav-bar>
      <template #title>
        <view class="search-box">
          <wd-search
            v-model="keyword"
            hide-cancel
            @search="handleSearch"
          />
        </view>
      </template>
    </nav-bar>

    <!-- 搜索结果 -->
    <view class="search-results">
      <view v-if="loading" class="loading-wrapper">
        <wd-loading />
      </view>
      <view v-else-if="searchResults.length > 0" class="book-list">
        <view
          v-for="(item, index) in searchResults"
          :key="index"
          class="book-item"
          @click="handleBookClick(item.bookId)"
        >
          <image :src="item.images" />
          <text class="book-text">{{ item.name }}</text>
          <BookPrice :data="item" class="book-price-container" />
        </view>
      </view>
      <view v-else-if="isEmpty" class="empty-wrapper">
        <wd-status-tip image="content" :tip="$t('global.searchNoResult')" />
      </view>
    </view>
  </view>
</template>

<script setup lang="ts">
import { ref, onMounted } from 'vue'
import { onLoad } from '@dcloudio/uni-app'
import { useI18n } from 'vue-i18n'
import { bookHomeApi } from '@/api/modules/book_home'
import BookPrice from '@/components/book/BookPrice.vue'
import type { IBookWithStats, IVipInfo } from '@/types/home'

const { t } = useI18n()

// 状态定义
const notchHeight = ref(0)
const keyword = ref('')
const searchResults = ref<IBookWithStats[]>([])
const loading = ref(false)
const isEmpty = ref(false)
const vipInfo = ref<IVipInfo | null>(null)

// 获取URL参数
onLoad((options: any) => {
  keyword.value = options.keyword

  handleSearch()
})

/**
 * 获取VIP信息
 */
const getVipInfo = async () => {
  const res = await bookHomeApi.getVipInfo()
  vipInfo.value = res.vipInfo
}

/**
 * 处理搜索
 */
const handleSearch = async () => {
  if (!keyword.value.trim()) {
    return
  }

  loading.value = true
  isEmpty.value = false

  const res = await bookHomeApi.searchBooks({
    title: keyword.value.trim(),
    page: 1,
    limit: 10,
  })
  if (res.bookList && res.bookList.length > 0) {
    searchResults.value = res.bookList
    isEmpty.value = false
  } else {
    searchResults.value = []
    isEmpty.value = true
  }
  loading.value = false
}

/**
 * 处理清空
 */
const handleClear = () => {
  keyword.value = ''
  searchResults.value = []
  isEmpty.value = false
}

/**
 * 处理图书点击
 */
const handleBookClick = (bookId: number) => {
  uni.navigateTo({
    url: `/pages/book/detail?id=${bookId}`
  })
}

/**
 * 格式化价格
 */
const formatPrice = (book: IBookWithStats): string => {
  // 已购买不显示价格
  if (book.isBuy) return ''

  // VIP用户且图书为VIP专享
  if (vipInfo.value?.id && book.isVip === '2') {
    const price = book.sysDictData?.dictValue
    return price ? `$ ${price} NZD` : ''
  }

  // 普通用户
  if (!vipInfo.value?.id) {
    const price = book.sysDictData?.dictValue
    return price ? `$ ${price} NZD` : ''
  }

  return ''
}

/**
 * 格式化统计信息
 */
const formatStats = (book: IBookWithStats): string => {
  if (book.readCount && book.readCount > 0) {
    return `${book.readCount}${t('bookHome.readingCount')}`
  }

  if (book.buyCount && book.buyCount > 0) {
    return `${book.buyCount}${t('bookHome.purchased')}`
  }

  return ''
}

/**
 * 页面加载
 */
onMounted(async () => {
  // 获取刘海高度
  const systemInfo = uni.getSystemInfoSync()
  notchHeight.value = systemInfo.safeArea.top

  // 获取VIP信息
  await getVipInfo()
})
</script>

<style lang="scss" scoped>
.search-page {
  min-height: 100vh;
  background: #f7faf9;
}

.search-box {
  display: flex;
  height: 100%;
  align-items: center;
  --wot-search-padding: 0;
  --wot-search-side-padding: 0;
  :deep() {
    .wd-search {
      background: transparent;
      width: 100%;
    }
  }
}

.search-header {
  background: #fff;
  padding: 20rpx;
  padding-bottom: 20rpx;
  box-shadow: 0 2rpx 10rpx rgba(0, 0, 0, 0.05);

  .search-bar-wrapper {
    display: flex;
    align-items: center;

    .back-icon {
      margin-right: 20rpx;
      flex-shrink: 0;
    }

    .search-input {
      flex: 1;
    }
  }
}

.search-results {
  padding: 20rpx;
}

.loading-wrapper {
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 100rpx 0;
}

.empty-wrapper {
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 100rpx 0;
}

.book-list {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;

  .book-item {
    width: 49%;
    background-color: #fff;
    border-radius: 15rpx;
    height: 575rpx;
    position: relative;
    margin-bottom: 20rpx;

    image {
      width: 85%;
      margin: 25rpx auto 0;
      border-radius: 15rpx;
      height: 380rpx;
      display: block;
    }

    .book-text {
      display: block;
      font-size: 28rpx;
      color: #333;
      line-height: 36rpx;
      width: 80%;
      margin: 15rpx auto 0;
      max-height: 72rpx;
      overflow: hidden;
    }

    .book-price-container {
      width: 80%;
      margin: 15rpx auto 0;
    }
  }
}
</style>
