<script setup lang="ts">
const props = defineProps({
    status:{
        type: Boolean,
        default: false,
        required: true
    },
    blogMenuList:{
        type: Array,
        default: () => [],
        required: true
    }
})
// 菜单折叠状态
const menuCollapseStatus = ref(props.status)

watchEffect(() => {
    menuCollapseStatus.value = props.status
})
const emit = defineEmits(['createBlogMenu', "update:status", "collapseChildren"])

// 改变菜单展开状态
const handleMenuCollapseStatusChange = () => {
    emit('update:status', !props.status)
}
// 展开/关闭子菜单
const handleCollapseChildrenEvent = (item, index) => {
    item.childrenLength && emit('collapseChildren', item, index)
}
// 创建blog菜单
const handleCreateBlogMenuItemEvent = (pid: string) => {
    emit('createBlogMenu', pid)
}
</script>

<template>
    <div class="homeBlogMenu">
        <Transition name="blogmenu">
            <ResizeContent v-if="menuCollapseStatus">
                <div class="blogMenuContainer">
                    <header class="contentBox">
                        <div class="title"><div class="oneLineOverMore">博客目录</div></div>
                        <div class="headerBarContainer awaitShow">
                            <div class="bar star-blogIconFont a11 allCenter" @click="handleCreateBlogMenuItemEvent('0')">&#xe608;</div>
                            <div class="bar star-blogIconFont a11 allCenter" @click="handleMenuCollapseStatusChange">&#xe67f;</div>
                        </div>
                    </header>
                    <div class="line"/>
                    <div class="blogMenuContent">
                        <div class="contentBox blogMenuItem" v-for="(item, index) in blogMenuList" :key="item.id">
                            <div :style="{width: item.rank * 1.4 + 'rem'}"></div>
                            <div class="textIcon"
                                 :class="item.childrenLength && 'haveChildren'"
                                 @click="handleCollapseChildrenEvent(item, index)"
                            >
                                <div class=" bar a11 allCenter star-blogIconFont">&#xe608;</div>
                                <div class=" bar a11 allCenter sxIconFont" :class="item.open && 'open'"><div>&#xe64a;</div></div>
                            </div>
                            <div class="text"><div class="oneLineOverMore">{{item.name}}</div></div>
                            <div class="barBox" :class="item.pid === '0' && 'awaistShows'">
                                <div class="star-blogIconFont bar a11 allCenter" @click="handleCreateBlogMenuItemEvent(item.id)">&#xe608;</div>
                                <div class="star-blogIconFont bar a11 allCenter">&#xe73a;</div>
                            </div>
                        </div>
                    </div>
                    <footer></footer>
                </div>
            </ResizeContent>
        </Transition>
        <div  :class="!menuCollapseStatus && 'menuCollapse'">
        </div>
    </div>
</template>

<style scoped lang="scss">
// 动画
.blogmenu-enter-active, .blogmenu-leave-active {
    transition: width .3s ease;
}

.blogmenu-enter-from, .blogmenu-leave-to {
    width: 0px;
}
.homeBlogMenu{
    user-select: none;
}

@keyframes textIconEntry {
    0%{
        color: #00000000;
        height: 100%;
    }
    50%{
        color: #00000000;
        height: 100%;
    }
    100%{
        color: var(--font-color-top3-h2);
        height: 100%;
    }
}
@keyframes textIconLeave {
    0%{
        color: var(--font-color-top3-h2);
    }
    50%{
        color: #00000000;
    }
    100%{
        color: #00000000;
    }
}
.blogMenuContainer{
    position: relative;
    width: 100%;
    height: 100%;
    overflow: hidden;
    font-family: sans-serif;
    display: flex;
    flex-direction: column;
    box-sizing: border-box;
    padding: .5rem;

    // 行容器
    .contentBox{
        position: relative;
        height: 2rem;
        box-sizing: border-box;
        padding: .2rem .5rem;
        border-radius: .25rem;
        color: var(--font-color-top3-h2);
        user-select: none;
        cursor: pointer;
        transition: background-color .3s;
        &:hover{
            background: var(--font-color-top3-hover);
        }
        &.active{
            color: var(--font-color-top3-h1);
            background: var(--font-color-top3-active);
        }

    }
    // 按钮
    .bar{
        position: relative;
        flex-shrink: 0;
        height: 100%;
        font-size: 1rem;
        color: var(--font-color-top3-h2);
        transition: color .3s, background-color .3s;
        border-radius: .25rem;
        &:hover{
            background-color: #00000015;
            color: var(--font-color-top3-h1);
        }
    }
    // 进入容器才显示
    .awaitShow{
        height: 0;
        width: 0;
        opacity: 0;
        transition: opacity .3s;
        overflow: hidden;
    }
    &:hover{
        .awaitShow{
            height: 100%;
            width: auto;
            opacity: 1;
        }
    }
}
.blogMenuContainer > header{
    position: relative;
    width: 100%;
    flex-shrink: 0;
    display: flex;

    & > div.title{
        position: relative;
        flex: 1;
        color: var(--font-color-top3-h1);
        min-width: 0;
        display: flex;
        align-items: center;
    }
    & > div.headerBarContainer{
        position: relative;
        flex-shrink: 0;
        display: flex;
        & > div.bar:last-child{
            transform: rotate(180deg);
            font-size: 1.3rem;
        }
    }
}
.blogMenuContainer > div.line{
    position: relative;
    width: 100%;
    height: 1px;
    margin: 0.5rem auto;
    background-color: var(--bg-color-be);
}
.blogMenuContainer > div.blogMenuContent{
    position: relative;
    flex: 1;
    overflow: hidden;
    & > div.blogMenuItem{
        position: relative;
        font-size: 1rem;
        display: flex;

        & > div.textIcon{
            position: relative;
            font-size: 1rem;
            margin-right: .5rem;
            & > div:last-child{
                position: absolute;
                top:0;
                left: 0;
                height: 0;
                overflow: hidden;
                transform: rotate(0);
                & > div{
                    transition: transform .3s ease-in-out;
                }
                &.open{
                    & > div{
                        transform: rotate(90deg);
                    }
                }
            }
        }
        & > div.text{
            position: relative;
            flex: 1;
            min-width: 0;// 关键
            display: flex;
            align-items: center;
            overflow: hidden;
        }
        & > div.barBox{
            margin-left: .2rem;
            height: 0;
            width: 0;
            opacity: 0;
            overflow: hidden;
            display: flex;
            transition: opacity .3s;
            & > div.bar{
                opacity: 1;
            }
        }
        &:hover{
            & > div.barBox{
                height: 100% !important;
                width: auto !important;
                opacity: 1 !important;
            }
            & > div.textIcon.haveChildren> div{
                &:first-child{
                    animation: textIconLeave .3s linear forwards;
                }
                &:last-child{
                    animation: textIconEntry .3s linear forwards;
                }
            }
        }
    }
}
</style>
