<script setup lang="ts">
import { withBase } from 'vitepress'
import { ArrowLeft, ArrowRight } from '@element-plus/icons-vue'
import { usePageNav } from '../../composables/page-nav'

const { hasLinks, prev, next } = usePageNav()
</script>

<template>
    <div v-if="hasLinks" class="next-and-prev-link">
        <div class="container">
            <div class="prev">
                <a v-if="prev" class="link" :href="withBase(prev.link)">
                    <ElIcon class="mr-1">
                        <ArrowLeft />
                    </ElIcon>
                    <span class="text">{{ prev.text }}</span>
                </a>
            </div>
            <div class="next">
                <a v-if="next" class="link" :href="withBase(next.link)">
                    <span class="text">{{ next.text }}</span>
                    <ElIcon class="ml-1">
                        <ArrowRight />
                    </ElIcon>
                </a>
            </div>
        </div>
    </div>
</template>

<style scoped>
.next-and-prev-link {
    padding-top: 1rem;
}

.container {
    display: flex;
    justify-content: space-between;
    border-top: 1px solid var(--border-color);
    padding-top: 1rem;
}

.prev,
.next {
    display: flex;
    flex-shrink: 0;
    width: 50%;
}

.prev {
    justify-content: flex-start;
    padding-right: 12px;
}

.next {
    justify-content: flex-end;
    padding-left: 12px;
}

.link {
    display: inline-flex;
    justify-content: center;
    align-items: center;

    max-width: 100%;
    height: 24px;
    font-size: 14px;
    font-weight: 500;
}

.text {
    display: inline-flex;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.el-icon {
    display: inline-flex;
    flex-shrink: 0;
    font-size: 12px;
    color: var(--text-color);
    transform: translateY(1px);
}

.icon-prev {
    margin-right: 8px;
}
.icon-next {
    margin-left: 8px;
}
</style>
