<template>
    <view class="markdown-body">
        <rich-text class="markdownRich" id="markdown-content" :nodes="renderedHtml" @itemclick="handleItemClick" />
    </view>
</template>

<script setup>
import { computed } from 'vue';
import { parseMarkdown, codeDataList } from '@/utils/markdownParser';

const props = defineProps({
    content: {
        type: String,
        default: '',
    },
});

const renderedHtml = computed(() => parseMarkdown(props.content));

const handleItemClick = (e) => {
    let { attrs } = e.detail.node;
    let { 'data-copy-index': codeDataIndex, class: className, href } = attrs;
    if (href) {
        window.open(href);
        return;
    }
    if (className == 'copy-btn') {
        uni.setClipboardData({
            data: codeDataList[codeDataIndex],
            showToast: false,
            success() {
                uni.showToast({
                    title: '复制成功',
                    icon: 'none',
                });
            },
        });
    }
};
</script>

<style lang="scss">
.markdown-body {
    h2,
    h3,
    h4,
    h5,
    h6 {
        // line-height: 1;
    }
    ul {
        // display: block;
        padding-inline-start: 40rpx;
        li {
            margin-bottom: -30rpx;
        }

        li:nth-child(1) {
            margin-top: -40rpx;
        }
    }
    p {
        font-weight: 500;
        line-height: 44.8rpx;
    }
}
.markdown-body {
    user-select: text;
    -webkit-user-select: text;
    white-space: pre-wrap;
}

/* 表格 */
table {
    // display: block; /* 让表格可滚动 */
    // width: 100%;
    // overflow-x: auto;
    // white-space: nowrap; /* 防止单元格内容换行 */
    border-collapse: collapse;
}

th,
td {
    padding: 16rpx;
    border: 2rpx solid #ddd;
    font-size: 24rpx;
}

th {
    background-color: #007bff;
    color: white;
    font-weight: bold;
}

/* 隔行变色 */
tr:nth-child(even) {
    background-color: #f9f9f9;
}

/* 鼠标悬停效果 */
tr:hover {
    background-color: #f1f1f1;
    transition: 0.3s;
}

/* 代码块 */
pre,
code {
    user-select: text;
}
.code-container {
    position: relative;
    border-radius: 10rpx;
    overflow: hidden;
    // background: #0d1117;
    padding: 8rpx;
    color: #c9d1d9;
    font-size: 28rpx;
    height: fit-content;
    margin-top: -140rpx;
    margin-bottom: -140rpx;
}

.code-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10rpx 20rpx;
    background: #161b22;
    color: #888;
    font-size: 24rpx;
    border-radius: 10rpx 10rpx 0 0;
}

.copy-btn {
    background: rgba(255, 255, 255, 0.1);
    color: #ddd;
    border: none;
    padding: 6rpx 16rpx;
    font-size: 24rpx;
    cursor: pointer;
    border-radius: 6rpx;
}
.copy-btn:hover {
    background: rgba(255, 255, 255, 0.2);
    color: #259939;
    text-decoration: underline;
}

pre.hljs {
    padding: 0 24rpx;
    margin: 0;
    border-radius: 0 0 16rpx 16rpx;
    background-color: #f8f8f8;
    padding: 20rpx;
    overflow-x: auto;
    font-size: 24rpx;
    margin-top: 10rpx;
    margin-top: -66rpx;
}
pre code {
    margin: 0;
    padding: 0;
    display: block;
    white-space: pre-wrap; /* 允许自动换行 */
    word-break: break-word;
}

ol {
    list-style: decimal-leading-zero;
    padding-left: 60rpx;
}

.line-num {
    display: inline-block;
    text-align: right;
    color: #666;
    margin-right: 20rpx;
    display: inline-block;
    text-align: right;
}
</style>
