<template>
  <div class="folder-tree">
    <el-input
      v-model="filterText"
      :placeholder="$t('common.search')"
      prefix-icon="Search"
      clearable
      class="p-8"
    />
    <div
      @click="handleSharedNodeClick"
      v-if="showShared && hasPermission(EditionConst.IS_EE, 'OR')"
      class="shared-button flex cursor"
      :class="currentNodeKey === 'share' && 'active'"
    >
      <AppIcon iconName="app-shared-active" style="font-size: 18px"></AppIcon>
      <span class="ml-8 lighter">{{ shareTitle }}</span>
    </div>
    <div class="tree-height border-t" :style="treeStyle">
      <el-scrollbar>
        <el-tree
          ref="treeRef"
          :data="data"
          :props="defaultProps"
          @node-click="handleNodeClick"
          :filter-node-method="filterNode"
          :default-expanded-keys="[currentNodeKey]"
          :current-node-key="currentNodeKey"
          highlight-current
          class="overflow-inherit_node__children"
          node-key="id"
          v-loading="loading"
        >
          <template #default="{ node, data }">
            <div class="flex-between w-full" @mouseenter.stop="handleMouseEnter(data)">
              <div class="flex align-center">
                <AppIcon iconName="app-folder" style="font-size: 16px"></AppIcon>
                <span class="ml-8 ellipsis" style="max-width: 110px" :title="node.label">{{
                  node.label
                }}</span>
              </div>

              <div
                v-if="canOperation && node.level !== 3"
                @click.stop
                v-show="hoverNodeId === data.id"
                @mouseenter.stop="handleMouseEnter(data)"
                @mouseleave.stop="handleMouseleave"
                class="mr-16"
              >
                <el-dropdown trigger="click" :teleported="false">
                  <el-button text class="w-full">
                    <el-icon class="rotate-90"><MoreFilled /></el-icon>
                  </el-button>
                  <template #dropdown>
                    <el-dropdown-menu>
                      <el-dropdown-item @click.stop="openCreateFolder(data)">
                        <AppIcon iconName="app-add-folder"></AppIcon>
                        {{ $t('components.folder.addChildFolder') }}
                      </el-dropdown-item>
                      <el-dropdown-item @click.stop="openEditFolder(data)">
                        <el-icon><EditPen /></el-icon>
                        {{ $t('common.edit') }}
                      </el-dropdown-item>
                      <el-dropdown-item
                        divided
                        @click.stop="deleteFolder(data)"
                        :disabled="!data.parent_id"
                      >
                        <el-icon><Delete /></el-icon>
                        {{ $t('common.delete') }}
                      </el-dropdown-item>
                    </el-dropdown-menu>
                  </template>
                </el-dropdown>
              </div>
            </div>
          </template>
        </el-tree>
      </el-scrollbar>
    </div>
    <CreateFolderDialog ref="CreateFolderDialogRef" @refresh="refreshFolder" :title="title" />
  </div>
</template>

<script lang="ts" setup>
import { ref, watch } from 'vue'
import { onBeforeRouteLeave } from 'vue-router'
import type { TreeInstance } from 'element-plus'
import CreateFolderDialog from '@/components/folder-tree/CreateFolderDialog.vue'
import { t } from '@/locales'
import folderApi from '@/api/folder'
import { EditionConst } from '@/utils/permission/data'
import { hasPermission } from '@/utils/permission/index'
import useStore from '@/stores'

defineOptions({ name: 'FolderTree' })
const props = defineProps({
  data: {
    type: Array,
    default: () => [],
  },
  currentNodeKey: {
    type: String,
    default: 'root',
  },
  source: {
    type: String,
    default: 'APPLICATION',
  },
  showShared: {
    type: Boolean,
    default: false,
  },
  shareTitle: {
    type: String,
    default: '',
  },
  canOperation: {
    type: Boolean,
    default: true,
  },
  treeStyle: {
    type: Object,
    default: () => ({}),
  },
})

const { folder } = useStore()
onBeforeRouteLeave((to, from) => {
  folder.setCurrentFolder({})
})

interface Tree {
  name: string
  children?: Tree[]
  id?: string
  show?: boolean
}

const defaultProps = {
  children: 'children',
  label: 'name',
}

const emit = defineEmits(['handleNodeClick', 'refreshTree'])

const treeRef = ref<TreeInstance>()
const filterText = ref('')
const hoverNodeId = ref<string | undefined>('')
const title = ref('')
const loading = ref(false)

watch(filterText, (val) => {
  treeRef.value!.filter(val)
})
let time: any

function handleMouseEnter(data: Tree) {
  clearTimeout(time)
  hoverNodeId.value = data.id
}
function handleMouseleave() {
  time = setTimeout(() => {
    clearTimeout(time)
    document.body.click()
  }, 300)
}
const filterNode = (value: string, data: Tree) => {
  if (!value) return true
  return data.name.includes(value)
}

const handleNodeClick = (data: Tree) => {
  emit('handleNodeClick', data)
}

const handleSharedNodeClick = () => {
  treeRef.value?.setCurrentKey(undefined)
  emit('handleNodeClick', { id: 'share', name: props.shareTitle })
}

function deleteFolder(row: Tree) {
  folderApi.delFolder(row.id as string, props.source, loading).then(() => {
    emit('refreshTree')
  })
}

const CreateFolderDialogRef = ref()
function openCreateFolder(row: Tree) {
  title.value = t('components.folder.addChildFolder')
  CreateFolderDialogRef.value.open(props.source, row.id)
}
function openEditFolder(row: Tree) {
  title.value = t('components.folder.editFolder')
  CreateFolderDialogRef.value.open(props.source, row.id, row)
}

function refreshFolder() {
  emit('refreshTree')
}
</script>
<style lang="scss" scoped>
.folder-tree {
  .shared-button {
    padding: 10px 8px;
    font-weight: 400;
    font-size: 14px;
    margin-bottom: 4px;
    &.active {
      background: var(--el-color-primary-light-9);
      border-radius: 4px;
      color: var(--el-color-primary);
      font-weight: 500;
      &:hover {
        background: var(--el-color-primary-light-9);
      }
    }
    &:hover {
      border-radius: 4px;
      background: var(--app-text-color-light-1);
    }
    &.is-active {
      &:hover {
        color: var(--el-color-primary);
        background: var(--el-color-primary-light-9);
      }
    }
  }
  .tree-height {
    padding-top: 4px;
    height: calc(100vh - 210px);
  }
}
:deep(.overflow-inherit_node__children) {
  .el-tree-node__children {
    overflow: inherit !important;
  }
}
</style>
