<template>
    <view class="search-result-page">
        <image class="top-bg-image" src="/pages-sell/static/top-bg.png" mode="widthFix"></image>

        <Navbar title="书嗨" :titleSize="36" :title-color="navbarTitleColor" :back-icon-color="navbarIconColor" :background="navbarBackground"></Navbar>

        <!-- Custom Header -->
        <view class="search-bar-wrapper">
            <u-search style="width: 100%;" v-model="keyword" placeholder="书名/作者/ISBN" :show-action="true" action-text="反馈"
                :action-style="{ color: '#fff' }" bg-color="#fff" shape="round" :clearabled="true"
                search-icon="/pages-sell/static/search-icon.png" @custom="toFeedback" @search="onSearch"></u-search>
        </view>

        <!-- Banner -->
        <view class="banner-section">
            <image src="/pages-sell/static/top-banner.png" class="top-banner" mode="widthFix"></image>
        </view>

        <!-- Content Area -->
        <view class="content-area">
            <!-- Everyone is watching -->
            <view class="section-block">
                <text class="section-title">大家都在看</text>
                <HotRecommendItem :item="hotBook" @add-cart="addToCart"></HotRecommendItem>
            </view>

            <!-- Filter Bar -->
            <view class="filter-bar">
                <view class="filter-item active">
                    <text>综合</text>
                    <view class="triangle-icon"></view>
                </view>
                <view class="filter-item">
                    <text>销量</text>
                </view>
                <view class="filter-item">
                    <text>价格</text>
                    <view class="sort-icons">
                        <image src="/pages-sell/static/search-result/icon-top.png" class="icon-sort"></image>
                        <image src="/pages-sell/static/search-result/icon-bottom.png" class="icon-sort"></image>
                    </view>
                </view>
                <view class="filter-item">
                    <text>筛选</text>
                    <image src="/pages-sell/static/search-result/icon-filter.png" class="icon-filter"></image>
                </view>
            </view>

            <!-- Book List -->
            <view class="book-list">
                <RecommendItem v-for="(item, index) in bookList" :key="index" :item="item" @add-cart="addToCart" :show-desc="false">
                </RecommendItem>
            </view>
        </view>
    </view>
</template>

<script>
import RecommendItem from '../components/recommend-item/index.vue';
import HotRecommendItem from '../components/hot-recommend-item/index.vue';
import Navbar from '@/components/navbar/navbar.vue';

export default {
    components: {
        RecommendItem,
        HotRecommendItem,
        Navbar,
    },
    data() {
        return {
            keyword: '',
            pageNum: 1,
            pageSize: 10,
            hotBook: {
                id: 1,
                title: '山河岁月',
                cover: '/static/img/1.png', // Assuming a placeholder or from static
                price: '6.80',
                discount: '5.3折',
                discountDesc: '省9.8元'
            },
            bookList: [],
            navbarBackground: 'transparent',
            navbarTitleColor: '#ffffff',
            navbarIconColor: '#ffffff'
        }
    },
    onPageScroll(e) {
        if (e.scrollTop > 50) {
            this.navbarBackground = '#ffffff';
            this.navbarTitleColor = '#000000';
            this.navbarIconColor = '#000000';
        } else {
            this.navbarBackground = 'transparent';
            this.navbarTitleColor = '#ffffff';
            this.navbarIconColor = '#ffffff';
        }
    },
    onLoad(options) {
        this.keyword = options.keyword ? decodeURIComponent(options.keyword) : '';
        this.loadData();
    },
    methods: {
        loadData() {
            this.$u.api.getSearchKeywordAjax({
                keyword: this.keyword,
                pageNum: this.pageNum,
                pageSize: this.pageSize
            }).then(res => {
                const rows = res.data.rows || [];
                if (this.pageNum === 1) {
                    this.bookList = rows;
                } else {
                    this.bookList = [...this.bookList, ...rows];
                }
            })
        },
        goBack() {
            uni.navigateBack();
        },
        toFeedback() {
            uni.navigateTo({
                url: '/pages-sell/pages/feedback'
            });
        },
        onSearch(val) {
            console.log('Search:', val);
        },
        addToCart(data) {
            // data now contains { product, quality, quantity } from the popup
            console.log('Added to cart:', data);
            uni.showToast({
                title: '已加入购物车',
                icon: 'success'
            });
        }
    }
}
</script>

<style lang="scss" scoped>
.search-result-page {
    min-height: 100vh;
    background-color: #F6F6F6;
    font-family: 'Source Han Sans SC', sans-serif;
    position: relative;
}

/* 顶部大背景图 */
.top-bg-image {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 0;
    display: block;
}

.search-bar-wrapper {
    position: relative;
    z-index: 2;
    display: flex;
    align-items: center;
    padding: 0 30rpx;
    height: 88rpx;
    width: 100%;
}

.banner-section {
    position: relative;
    width: 100%;
    z-index: 1;
    padding: 10rpx 30rpx;

    .top-banner {
        width: 100%;
        display: block;
    }
}

.content-area {
    position: relative;
    z-index: 2;
    padding: 30rpx 30rpx;
    border-radius: 30rpx 30rpx 0 0;
    min-height: 500rpx;

    .section-block {
        margin-bottom: 30rpx;
        background-color: #fff;
        padding: 30rpx 24rpx;
        border-radius: 20rpx;

        .section-title {
            font-size: 32rpx;
            font-weight: bold;
            color: #333;
            margin-bottom: 20rpx;
            display: block;
        }
    }
}

.filter-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20rpx;

    .filter-item {
        display: flex;
        align-items: center;
        font-size: 28rpx;
        color: #666;

        &.active {
            color: #333;
            font-weight: bold;

            .triangle-icon {
                border-top-color: #333;
            }
        }

        text {
            margin-right: 6rpx;
        }

        .triangle-icon {
            width: 0;
            height: 0;
            border-left: 8rpx solid transparent;
            border-right: 8rpx solid transparent;
            border-top: 10rpx solid #666;
        }

        .sort-icons {
            display: flex;
            flex-direction: column;
            margin-left: 4rpx;

            .icon-sort {
                width: 12rpx;
                height: 8rpx;
                margin: 2rpx 0;
            }
        }

        .icon-filter {
            width: 24rpx;
            height: 24rpx;
            margin-left: 4rpx;
        }
    }
}

.book-list {
    padding-bottom: 40rpx;
    background: #fff;
    border-radius: 20rpx;
    padding: 0 24rpx;
}
</style>