<template>
  <div class="sidebar-logo-container" :class="{'collapse':collapse}" :style="{ backgroundColor: sideTheme === 'theme-dark' ? variables.menuBackground : variables.menuLightBackground }">
    <transition name="sidebarLogoFade">
      <router-link v-if="collapse" key="collapse" class="sidebar-logo-link" to="/">
        <img v-if="logo" :src="logo" class="sidebar-logo" />
        <h1 v-else class="sidebar-title" :style="{ color: sideTheme === 'theme-dark' ? variables.logoTitleColor : variables.logoLightTitleColor }">{{ title ? title.substr(0,1) : '' }} </h1>
      </router-link>
      <router-link v-else key="expand" class="sidebar-logo-link" to="/">
        <img v-if="logo" :src="logo" class="sidebar-logo" />
        <h1 class="sidebar-title" :style="{ color: sideTheme === 'theme-dark' ? variables.logoTitleColor : variables.logoLightTitleColor }">{{ title }} </h1>
      </router-link>
    </transition>
  </div>
</template>

<script>
// 支持PNG和SVG格式的logo
// 如果使用SVG，请将文件放在 @/assets/logo/logo.svg
// 如果使用PNG，请将文件放在 @/assets/logo/logo.png
// SVG和PNG都可以通过img标签直接使用

// let logoImg = null
// try {
//   // 优先尝试加载SVG
//   logoImg = require('@/assets/logo/logo.svg')
// } catch (e) {
//   try {
//     // 如果SVG不存在，尝试加载PNG
//     logoImg = require('@/assets/logo/logo.png')
//   } catch (e2) {
//     logoImg = null
//   }
// }

import variables from '@/assets/styles/variables.scss'

export default {
  name: 'SidebarLogo',
  props: {
    collapse: {
      type: Boolean,
      required: true
    }
  },
  computed: {
    variables() {
      return variables
    },
    sideTheme() {
      return this.$store.state.settings.sideTheme
    }
  },
  data() {
    return {
      title: process.env.VUE_APP_TITLE,
      // 产品主标识（与历史品牌区隔）
      logo: '/brand-logo.png'
    }
  },
  mounted() {
    this.getTitle()
  },
  methods: {
    getTitle() {
      this.getConfigKey('sys.menu.title').then(response => {
        if (response.code && response.code == 200 && response.msg) {
          const m = String(response.msg).trim()
          if (m && !/若依|Aegis|aegis|RuoYi|ruoyi/i.test(m)) {
            this.title = m
          } else {
            this.title = process.env.VUE_APP_TITLE || '安澜应急指挥'
          }
        }
      })
    }
  }
}
</script>

<style lang="scss" scoped>
.sidebarLogoFade-enter-active {
  transition: opacity 1.5s;
}

.sidebarLogoFade-enter,
.sidebarLogoFade-leave-to {
  opacity: 0;
}

.sidebar-logo-container {
  position: relative;
  width: 100%;
  height: 50px;
  line-height: 50px;
  background: transparent;
  text-align: center;
  overflow: hidden;

  & .sidebar-logo-link {
    height: 100%;
    width: 100%;

    & .sidebar-logo {
      width: 32px;
      height: 32px;
      vertical-align: middle;
      margin-right: 12px;
    }

    & .sidebar-title {
      display: inline-block;
      margin: 0;
      color: #fff;
      font-weight: 600;
      line-height: 50px;
      // font-size: 14px;
      font-size: 18px;
      font-family: Avenir, Helvetica Neue, Arial, Helvetica, sans-serif;
      vertical-align: middle;
    }
  }

  &.collapse {
    .sidebar-logo {
      margin-right: 0px;
    }
  }
}
</style>
