<template>
	<div class="tabs-container">
		<el-tabs v-model="activePath" class="tabs" type="card" closable @tab-click="clickTabls" @tab-remove="closeTabs">
			<el-tab-pane v-for="item in tabs.list" :key="item.path" :label="item.title" :name="item.path"
				@click="setTags(item)"></el-tab-pane>
		</el-tabs>
		<div class="Tabs-close-box">
			<el-dropdown @command="handleTags">
				<el-button size="small" type="primary" plain>
					标签选项
					<el-icon class="el-icon--right">
						<arrow-down />
					</el-icon>
				</el-button>
				<template #dropdown>
					<el-dropdown-menu size="small">
						<el-dropdown-item command="other">关闭其他</el-dropdown-item>
						<el-dropdown-item command="current">关闭当前</el-dropdown-item>
						<el-dropdown-item command="all">关闭所有</el-dropdown-item>
					</el-dropdown-menu>
				</template>
			</el-dropdown>
		</div>
	</div>
</template>

<script setup lang="ts">
import { ref, watch } from 'vue';
import { useTabsStore } from '../store/tabs';
import { onBeforeRouteUpdate, useRoute, useRouter } from 'vue-router';

const route = useRoute();
const router = useRouter();
const activePath = ref(route.fullPath)
const tabs = useTabsStore();
// 设置标签
const setTags = (route: any) => {
	console.log("set tag:",route);
	const isExist = tabs.list.some(item => {
		return item.path === route.fullPath;
	});
	if (!isExist) {
		tabs.setTabsItem({
			name: route.name,
			title: route.meta.title,
			path: route.fullPath
		});
	}
	console.log("tabs list:", tabs.list);
};
setTags(route);
onBeforeRouteUpdate(to => {
	setTags(to);
});

// 关闭全部标签
const closeAll = () => {
	tabs.clearTabs();
	router.push('/');
};
// 关闭其他标签
const closeOther = () => {
	const curItem = tabs.list.filter(item => {
		return item.path === route.fullPath;
	});
	tabs.closeTabsOther(curItem);
};
const handleTags = (command: string) => {
	switch (command) {
		case 'current':
			// 关闭当前页面的标签页
			tabs.closeCurrentTag({
				$router: router,
				$route: route
			});
			break;
		case 'all':
			closeAll();
			break;

		case 'other':
			closeOther();
			break;
	}
};

const clickTabls = (item: any) => {
	router.push(item.props.name);
}
const closeTabs = (path: any) => {
	console.log(path);
	const index = tabs.list.findIndex((item) => item.path === path);
	tabs.delTabsItem(index);
	const item = tabs.list[index] ? tabs.list[index] : tabs.list[index - 1];
	if (item) {
		path === route.fullPath && router.push(item.path);
	} else {
		router.push('/');
	}
}

watch(() => route.fullPath, (newVal, oldVal) => {
	activePath.value = newVal;
})

</script>

<style scss>
.tabs-container {
	position: relative;
	overflow: hidden;
	background: #fff;
	padding: 2px 120px 0 0;
}

.tabs {

	.el-tabs__header {
		margin-bottom: 0;
	}

	.el-tabs__nav {
		height: 28px;
	}

	.el-tabs__nav-next,
	.el-tabs__nav-prev {
		line-height: 32px;
	}

	&.el-tabs {
		--el-tabs-header-height: 28px;
	}


}

.Tabs-close-box {
	position: absolute;
	right: 0;
	top: 0;
	box-sizing: border-box;
	padding-top: 1px;
	text-align: center;
	width: 110px;
	height: 30px;
	background: #fff;
	box-shadow: -3px 0 15px 3px rgba(0, 0, 0, 0.1);
	z-index: 10;
}
</style>
