<template>
  <div :class="classObj" class="app-wrapper" :style="{'--current-color': theme}">
    <div v-if="device==='mobile'&&sidebar.opened" class="drawer-bg" @click="handleClickOutside"/>
<!--    <sidebar v-if="!sidebar.hide" class="sidebar-container"/>-->
    <sidebar v-if="!sidebar.hide" class="tobar-container" />
    <div :class="{hasTagsView:needTagsView,sidebarHide:sidebar.hide}" class="main-container">
      <div :class="{'fixed-header':fixedHeader}" class="header-tab-bar">
<!--        <navbar/>-->
        <tags-view v-if="needTagsView"/>
      </div>
      <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'

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;
    }
  },


  mounted() {
    this.handleResize = _.throttle(this.updateMaxHeight, 200); // 节流处理resize事件
    window.addEventListener('resize', this.handleResize);
    this.updateMaxHeight(); // 初始化最大高度
  },

  beforeDestroy() {
    window.removeEventListener('resize', this.handleResize); // 组件销毁时移除监听器
  },

  methods: {
    updateMaxHeight() {
      this.$nextTick(() => {
        // console.log('document.documentElement.clientHeight：：', document.documentElement.clientHeight )
        // console.log('window.innerHeight：', window.innerHeight )
        const tobarContainer = document.querySelector('.tobar-container').clientHeight;
        const headerTabBar = document.querySelector('.header-tab-bar').clientHeight;
        const height = document.documentElement.clientHeight - tobarContainer - headerTabBar;
        /*
         * 减去多余内容 48 + 48 + 28 + 20 + 50 = 194
         * 48：app-container 的上下 padding； 48：card-Table 的上下 padding；
         * 28：cardTable 组件按钮row的高度； 20：cardTable 组件按钮row的 margin-bottom(el-table也有16的margin-top，但是由于高度塌陷而不计入)；
         * 50：cardTable 组件的分页高度；
         */
        this.$store.dispatch('app/setMaxHeight', height - 194);
        this.$store.dispatch('app/setMaxContainerHeight', height - 48);

        // 测试 从 store 中获取
        // console.log('this.$store.getters.tableMaxHeight', this.$store.getters.tableMaxHeight);
        // console.log('this.$store.getters.containerMaxHeight', this.$store.getters.containerMaxHeight);
      });
    },

    handleClickOutside() {
      this.$store.dispatch('app/closeSideBar', { withoutAnimation: 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>
