<template>
  <div class="sidebar-logo-container" :class="{ 'collapse': collapse }">
    <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">
          {{ title }}
        </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">
          {{ title }}
        </h1>
      </router-link>
    </transition>
  </div>
</template>

<script>
import defaultSettings from '@/settings'
const { title } = defaultSettings
import logonImg from '@/image/logo.png'
export default {
  name: 'SidebarLogo',
  props: {
    collapse: {
      type: Boolean,
      required: true
    }
  },
  data () {
    return {
      title: title,
      logo: logonImg
    }
  }
}
</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%;
  text-align: center;
  overflow: hidden;
  height: 100px;

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

    & .sidebar-logo {
      width: 41px;
      height: 39px;
      vertical-align: middle;
      //   margin-left: 47px;
      //   margin-right: 48px;
      margin-top: 22px;
    }

    & .sidebar-title {
      margin: 0;
      margin-top: 10px;
      margin-bottom: 20px;
      color: #fff;
      font-weight: 600;
      line-height: 25px;
      font-size: 16px;
      font-family: Avenir, Helvetica Neue, Arial, Helvetica, sans-serif;
      vertical-align: middle;
    }
  }

  &.collapse {
    .sidebar-logo {
      margin-right: 0px;
      width: 32.8px;
      height: 31.2px;
    }
  }
}
</style>