<template>
  <div class="navbar">
    <hamburger id="hamburger-container" :is-active="sidebar.opened" class="hamburger-container" @toggleClick="toggleSideBar" />
    <!-- <breadcrumb id="breadcrumb-container" class="breadcrumb-container" /> -->

	<div id="tags-view-container" class="tags-view-container">
		<scroll-pane ref="scrollPane" class="tags-view-wrapper">
			<router-link
				v-for="tag in visitedViews"
				ref="tag"
				:key="tag.path"
				:class="isActive(tag)?'active':''"
				:to="{ path: tag.path, query: tag.query, fullPath: tag.fullPath }"
				tag="span"
				class="tags-view-item"
				@click.middle.native="closeSelectedTag(tag)"
				@contextmenu.prevent.native="openMenu(tag,$event)"
			>
				{{ tag.title }}
				<span v-if="!tag.meta.affix" class="el-icon-close" @click.prevent.stop="closeSelectedTag(tag)" />
			</router-link>
		</scroll-pane>
	</div>

    <div class="right-menu">
		<div style="display:inline-block;height:100%;vertical-align:unset;margin-right:10px;">
			<el-tooltip content="可视化大屏" effect="dark" placement="bottom">
				<router-link class="el-icon-s-platform" style="font-size:24px;" to="/MLargeScreen/index" target="_blank" tag="a" ></router-link>
			</el-tooltip>
		</div>

		<template v-if="device!=='mobile'">
			<el-tooltip content="全屏缩放" effect="dark" placement="bottom">
			  <screenfull id="screenfull" class="right-menu-item hover-effect" />
			</el-tooltip>
		</template>
    </div>
  </div>
</template>

<script>
import { mapGetters } from 'vuex'
import Breadcrumb from '@/components/Breadcrumb'
import Hamburger from '@/components/Hamburger'
import Screenfull from '@/components/Screenfull'
import ScrollPane from './TagsView/ScrollPane'
import path from 'path';

export default {
	components: {
		Breadcrumb,
		Hamburger,
		Screenfull,
		ScrollPane
	},
	data() {
		return {
			dialogVisible: false,

			/* visible: false,
			top: 0,
			left: 0,
			selectedTag: {},
			affixTags: [] */
		}
	},
	computed: {
		...mapGetters([
			'sidebar',
			'device',
		]),
		show: {
			get() {
				return this.$store.state.settings.showSettings
			},
		},
		visitedViews() {
		  return this.$store.state.tagsView.visitedViews
		},
		routes() {
		  return this.$store.state.permission.routers
		}
	},
	watch: {
		$route() {
		  this.addTags()
		  this.moveToCurrentTag()
		},
		visible(value) {
		  if (value) {
			document.body.addEventListener('click', this.closeMenu)
		  } else {
			document.body.removeEventListener('click', this.closeMenu)
		  }
		}
	},
	mounted() {
		this.initTags()
		this.addTags()
	},
	methods: {
		toggleSideBar() {
			this.$store.dispatch('app/toggleSideBar')
		},
		isActive(route) {
			return route.path === this.$route.path
		},
		filterAffixTags(routes, basePath = '/') {
		  let tags = []
		  routes.forEach(route => {
			if (route.meta && route.meta.affix) {
			  const tagPath = path.resolve(basePath, route.path)
			  tags.push({
				fullPath: tagPath,
				path: tagPath,
				name: route.name,
				meta: { ...route.meta }
			  })
			}
			if (route.children) {
			  const tempTags = this.filterAffixTags(route.children, route.path)
			  if (tempTags.length >= 1) {
				tags = [...tags, ...tempTags]
			  }
			}
		  })
		  return tags
		},
		initTags() {
		  const affixTags = this.affixTags = this.filterAffixTags(this.routes)
		  for (const tag of affixTags) {
			// Must have tag name
			if (tag.name) {
			  this.$store.dispatch('tagsView/addVisitedView', tag)
			}
		  }
		},
		addTags() {
		  const { name } = this.$route
		  if (name) {
			this.$store.dispatch('tagsView/addView', this.$route)
		  }
		  return false
		},

		moveToCurrentTag() {
		  const tags = this.$refs.tag
		  this.$nextTick(() => {
			for (const tag of tags) {
			  if (tag.to.path === this.$route.path) {
				this.$refs.scrollPane.moveToTarget(tag)
				// when query is different then update
				if (tag.to.fullPath !== this.$route.fullPath) {
				  this.$store.dispatch('tagsView/updateVisitedView', this.$route)
				}
				break
			  }
			}
		  })
		},

		refreshSelectedTag(view) {
		  this.$store.dispatch('tagsView/delCachedView', view).then(() => {
			const { fullPath } = view
			this.$nextTick(() => {
			  this.$router.replace({
				path: '/redirect' + fullPath
			  })
			})
		  })
		},
		closeSelectedTag(view) {
		  this.$store.dispatch('tagsView/delView', view).then(({ visitedViews }) => {
			if (this.isActive(view)) {
			  this.toLastView(visitedViews, view)
			}
		  })
		},
		closeOthersTags() {
		  this.$router.push(this.selectedTag)
		  this.$store.dispatch('tagsView/delOthersViews', this.selectedTag).then(() => {
			this.moveToCurrentTag()
		  })
		},
		closeAllTags(view) {
		  this.$store.dispatch('tagsView/delAllViews').then(({ visitedViews }) => {
			if (this.affixTags.some(tag => tag.path === view.path)) {
			  return
			}
			this.toLastView(visitedViews, view)
		  })
		},
		toLastView(visitedViews, view) {
		  const latestView = visitedViews.slice(-1)[0]
		  if (latestView) {
			this.$router.push(latestView)
		  } else {
			// now the default is to redirect to the home page if there is no tags-view,
			// you can adjust it according to your needs.
			if (view.name === 'Dashboard') {
			  // to reload home page
			  this.$router.replace({ path: '/redirect' + view.fullPath })
			} else {
			  this.$router.push('/')
			}
		  }
		},
		openMenu(tag, e) {
		  const menuMinWidth = 105
		  const offsetLeft = this.$el.getBoundingClientRect().left // container margin left
		  const offsetWidth = this.$el.offsetWidth // container width
		  const maxLeft = offsetWidth - menuMinWidth // left boundary
		  const left = e.clientX - offsetLeft + 15 // 15: margin right

		  if (left > maxLeft) {
			this.left = maxLeft
		  } else {
			this.left = left
		  }

		  this.top = e.clientY
		  this.visible = true
		  this.selectedTag = tag
		},
		closeMenu() {
		  this.visible = false
		}
	}
}
</script>

<style lang="scss" scoped>
.navbar {
	position: relative;box-shadow:0 1px 4px rgba(0,21,41,.08);color:#9ae8fe;/* margin-right:1.041vw; */
	border-bottom: 1px solid #004689;
	display:flex;align-items:center;
	background-color:rgba(0,62,88,.8);

	.hamburger-container {
		height:100%;cursor:pointer;
		transition: background .3s;
		-webkit-tap-highlight-color:transparent;
	
		&:hover {
		  background: rgba(0, 0, 0, .025)
		}
	}

	.breadcrumb-container {float: left;}
		
	

	.errLog-container {
		display: inline-block;vertical-align: top;
	}

	.right-menu {
		float: right;
		height: 100%;

		&:focus {
		  outline: none;
		}

		.right-menu-item {
		  display: inline-block;
		  /* padding: 0 8px; */
		  height: 100%;
		  font-size: 18px;
		  color: #5a5e66;
		  /* vertical-align: text-bottom; */
		  margin-right:5px;

		  &.hover-effect {
			cursor: pointer;
			transition: background .3s;

			&:hover {
			  background: rgba(0, 0, 0, .025)
			}
		  }
		}
	}
}

.tags-view-container {
	height:34px;flex:1;position:relative;margin:0 8px;user-select:none;

	box-shadow: 0 1px 3px 0 rgba(0, 0, 0, .12), 0 0 3px 0 rgba(0, 0, 0, .04);
	.tags-view-wrapper {
		position:absolute;top:0;left:0;height:100%;width:100%;

		.tags-view-item {
		  display: inline-block;
		  position: relative;
		  cursor: pointer;
		  height: 26px;
		  line-height: 26px;
		  border: 1px solid #d8dce5;
		  color: #495060;
		  background: #fff;
		  padding: 0 8px;
		  font-size: 12px;
		  margin-left: 5px;
		  margin-top: 4px;
		  &:first-of-type {
			margin-left:0px;
		  }
		  &:last-of-type {
			margin-right: 15px;
		  }
		  &.active {
			background-color: #42b983;
			color: #fff;
			border-color: #42b983;
			&::before {
			  content: '';
			  background: #fff;
			  display: inline-block;
			  width: 8px;
			  height: 8px;
			  border-radius: 50%;
			  position: relative;
			  margin-right: 2px;
			}
		  }
		}
	}
	.contextmenu {
		margin: 0;
		background: #fff;
		z-index: 3000;
		position: absolute;
		list-style-type: none;
		padding: 5px 0;
		border-radius: 4px;
		font-size: 12px;
		font-weight: 400;
		color: #333;
		box-shadow: 2px 2px 3px 0 rgba(0, 0, 0, .3);
		li {
		  margin: 0;
		  padding: 7px 16px;
		  cursor: pointer;
		  &:hover {
			background: #eee;
		  }
		}
	}
}
</style>
