<template>
  <div :class="classObj" class="app-wrapper" :style="{'--current-color': theme}">
    <div class="app-title-bg">
      <span class="sys-time">{{ sysTime }}</span>
      <navbar/>
      <div class="titleBg">
        <span class="title-text">集 中 功 率 预 测</span>
      </div>
    </div>
    <div v-if="device==='mobile'&&sidebar.opened" class="drawer-bg" @click="handleClickOutside"/>

    <sidebar id="sidebar" :style="isFixed ? 'top:0' : ''" v-if="!sidebar.hide" class="sidebar-container"/>
    <div :class="{hasTagsView:needTagsView,sidebarHide:sidebar.hide}" class="main-container">
      <!--      <div :class="{'fixed-header':fixedHeader}">-->
      <!--        <navbar/>-->
      <!--        <tags-view v-if="needTagsView"/>-->
      <!--      </div>-->
      <app-main style="height: 95vh;overflow-y: scroll"/>
<!--      <app-main/>-->
      <right-panel>
        <settings/>
      </right-panel>
    </div>

  </div>
</template>

<script>
import RightPanel from '@/components/RightPanel'
import {AppMain, Navbar, Settings, Sidebar, TagsView} from './components'
import ResizeMixin from './mixin/ResizeHandler'
import {mapState} from 'vuex'
import variables from '@/assets/styles/variables.scss'
import {formatToDateTime} from "../utils/dateUtil";

export default {
  name: 'Layout',
  components: {
    AppMain,
    Navbar,
    RightPanel,
    Settings,
    Sidebar,
    TagsView
  },
  mixins: [ResizeMixin],
  computed: {
    ...mapState({
      theme: state => state.settings.theme,
      sideTheme: state => state.settings.sideTheme,
      sidebar: state => state.app.sidebar,
      device: state => state.app.device,
      needTagsView: state => state.settings.tagsView,
      fixedHeader: state => state.settings.fixedHeader
    }),
    classObj() {
      return {
        hideSidebar: !this.sidebar.opened,
        openSidebar: this.sidebar.opened,
        withoutAnimation: this.sidebar.withoutAnimation,
        mobile: this.device === 'mobile'
      }
    },
    variables() {
      return variables;
    }
  },
  data() {
    return {
      isFixed: false,
      offsetTop: 0,
      sysTime: '',
      sysInterval: null
    }
  },
  mounted() {
    window.addEventListener("scroll", this.initHeight);
    this.$nextTick(() => {
      //获取对象相对于版面或由 offsetTop 属性指定的父坐标的计算顶端位置
      this.offsetTop = document.querySelector("#sidebar").offsetTop;
    });
    const _this = this
    this.sysInterval = setInterval(function () {
      _this.sysTime = formatToDateTime(new Date())
    }, 1000)
  },
  destroyed() {
    clearInterval(this.sysInterval);
  },
  methods: {
    handleClickOutside() {
      this.$store.dispatch('app/closeSideBar', {withoutAnimation: false})
    },
    initHeight() {
      // 设置或获取位于对象最顶端和窗口中可见内容的最顶端之间的距离 (被卷曲的高度)
      var scrollTop =
        window.pageYOffset ||
        document.documentElement.scrollTop ||
        document.body.scrollTop;
      //如果被卷曲的高度大于吸顶元素到顶端位置 的距离
      this.isFixed = scrollTop > this.offsetTop ? true : false;
    },
  }
}
</script>

<style lang="scss" scoped>
@import "~@/assets/styles/mixin.scss";
@import "~@/assets/styles/variables.scss";

.app-wrapper {
  @include clearfix;
  position: relative;
  height: 100%;
  width: 100%;

  &.mobile.openSidebar {
    position: fixed;
    top: 0;
  }
}

.drawer-bg {
  background: #000;
  opacity: 0.3;
  width: 100%;
  top: 0;
  height: 100%;
  position: absolute;
  z-index: 999;
}

.fixed-header {
  position: fixed;
  top: 0;
  right: 0;
  z-index: 9;
  width: calc(100% - #{$base-sidebar-width});
  transition: width 0.28s;
}

.hideSidebar .fixed-header {
  width: calc(100% - 54px);
}

.sidebarHide .fixed-header {
  width: 100%;
}

.mobile .fixed-header {
  width: 100%;
}
</style>
