<template>
  <div ref="rightPanel" :class="{ show: show }" class="rightPanel-container">
    <div class="rightPanel-background" @click="closeSidebar"/>
    <div class="rightPanel">
      <div class="rightPanel-items">
        <div style="display: flex;align-items: center; justify-content:start;height: 40px;">
          <el-icon style="font-size: 1.2rem;margin-left:10px;cursor: pointer;" @click="closeSidebar"><Close /></el-icon>
          <span style="margin-left: 20px;">设置面板</span> 
        </div>
        <slot />
      </div>
    </div>
  </div>
</template>

<script>
import { addClass, removeClass } from '@/utils'
import store from '@/stores'

export default {
  name: 'RightPanel',
  setup() {
    const settingsStore = store.settingsStore()
    return { settingsStore }
  },
  props: {
    clickNotClose: {
      default: false,
      type: Boolean
    },
    buttonTop: {
      default: 250,
      type: Number
    }
  },
  data() {
    return {
      show: false
    }
  },
  computed: {
    theme() {
      return this.settingsStore.theme
    }
  },
  watch: {
    show(value) {
      if (value) {
        addClass(document.body, 'showRightPanel')
      } else {
        removeClass(document.body, 'showRightPanel')
      }
    }
  },
  mounted() {
    this.insertToBody()
  },
  beforeUnmount() {
    const elx = this.$refs.rightPanel
    elx.remove()
  },
  methods: {
    closeSidebar() {
        this.show = false
    },
    insertToBody() {
      const elx = this.$refs.rightPanel
      const body = document.querySelector('body')
      body.insertBefore(elx, body.firstChild)
    },
    open() {
      this.show = true
    }
  }
}
</script>

<style>
.showRightPanel {
  overflow: hidden;
  position: relative;
}
</style>

<style lang="scss" scoped>
.rightPanel-background {
  position: fixed;
  top: 0;
  left: 0;
  opacity: 0;
  transition: opacity 0.3s cubic-bezier(0.7, 0.3, 0.1, 1);
  background: rgba(0, 0, 0, 0.2);
  z-index: -1;
}

.rightPanel {
  width: 100%;
  max-width: 260px;
  height: 100vh;
  position: fixed;
  top: 0;
  right: 0;
  box-shadow: 0px 0px 15px 0px rgba(0, 0, 0, 0.05);
  transition: all 0.25s cubic-bezier(0.7, 0.3, 0.1, 1);
  transform: translate(100%);
  background: #fff;
  z-index: 40000;
}

.dark .rightPanel{
  background: #252526;
  color: var(--el-menu-text-color);
}

.show {
  transition: all 0.3s cubic-bezier(0.7, 0.3, 0.1, 1);

  .rightPanel-background {
    z-index: 20000;
    opacity: 1;
    width: 100%;
    height: 100%;
  }

  .rightPanel {
    transform: translate(0);
  }
}

.handle-button {
  width: 48px;
  height: 48px;
  position: absolute;
  left: -48px;
  text-align: center;
  font-size: 24px;
  border-radius: 6px 0 0 6px !important;
  z-index: 0;
  pointer-events: auto;
  cursor: pointer;
  color: #fff;
  line-height: 48px;
  i {
    font-size: 24px;
    line-height: 48px;
  }
}
</style>
