<template>
  <div class="gi-table" :class="{ 'gi-table--fullscreen': isFullscreen }" ref="giTableRef">
    <a-row justify="space-between" align="center" class="gi-table__toolbar">
      <a-space wrap class="gi-table__toolbar-left" :size="[8, 8]">
        <slot name="custom-left"></slot>
      </a-space>
      <a-space wrap class="gi-table__toolbar-right" :size="[8, 8]">
        <slot name="custom-right"></slot>
        <a-tooltip content="刷新">
          <a-button v-if="showRefreshBtn" @click="refresh">
            <template #icon><icon-refresh /></template>
          </a-button>
        </a-tooltip>
        <a-popover
          v-if="showSettingColumnBtn"
          trigger="click"
          position="br"
          :content-style="{ minWidth: '120px', padding: '6px 8px 10px' }"
        >
          <a-tooltip content="列设置">
            <a-button>
              <template #icon>
                <icon-settings />
              </template>
            </a-button>
          </a-tooltip>
          <template #content>
            <div class="gi-table__draggable">
              <VueDraggable ref="el" v-model="settingColumnList">
                <div v-for="item in settingColumnList" :key="item.title" class="drag-item">
                  <div class="drag-item__move"><icon-drag-dot-vertical /></div>
                  <a-checkbox v-model:model-value="item.show" :disabled="item.disabled">{{ item.title }}</a-checkbox>
                </div>
              </VueDraggable>
            </div>
            <a-divider :margin="6" />
            <a-row justify="center">
              <a-button type="primary" size="mini" long @click="resetSettingColumns">
                <template #icon><icon-refresh /></template>
                <template #default>重置</template>
              </a-button>
            </a-row>
          </template>
        </a-popover>
      </a-space>
    </a-row>
    <div class="gi-table__container">
      <a-table
        ref="tableRef"
        :stripe="stripe"
        :size="size"
        :bordered="{ cell: isBordered }"
        v-bind="{ ...attrs, columns: _columns }"
      >
        <template v-for="key in Object.keys(slots)" :key="key" #[key]="scoped">
          <slot :key="key" :name="key" v-bind="scoped"></slot> </template
      ></a-table>
    </div>
  </div>
</template>

<script setup lang="ts">
import type { TableInstance, TableColumnData } from '@arco-design/web-vue'
import { VueDraggable } from 'vue-draggable-plus'

defineOptions({ name: 'GiTable', inheritAttrs: false })
const emit = defineEmits<{
  (e: 'refresh'): void
}>()

const attrs = useAttrs()
const slots = useSlots()

interface Props {
  disabledTools?: string[]
  disabledColumnKeys?: string[]
}

const props = withDefaults(defineProps<Props>(), {
  disabledTools: () => [], // 禁止显示的工具
  disabledColumnKeys: () => [] // 禁止控制显示隐藏的列
})

const tableRef = ref<TableInstance | null>(null)
const stripe = ref(false)
const size = ref<TableInstance['size']>('medium')
const isBordered = ref(false)
const isFullscreen = ref(false)

const refresh = () => {
  emit('refresh')
}

const showRefreshBtn = computed(() => !props.disabledTools.includes('refresh'))
const showSettingColumnBtn = computed(
  () => !props.disabledTools.includes('setting') && attrs?.columns && (attrs?.columns as TableColumnData[])?.length
)
type SettingColumnItem = { title: string; key: string; show: boolean; disabled: boolean }
const settingColumnList = ref<SettingColumnItem[]>([])

// 重置配置列
const resetSettingColumns = () => {
  settingColumnList.value = []
  if (attrs.columns) {
    const arr = attrs.columns as TableColumnData[]
    arr.forEach((item) => {
      settingColumnList.value.push({
        key: item.dataIndex || (typeof item.title === 'string' ? item.title : ''),
        title: typeof item.title === 'string' ? item.title : '',
        show: item.show ?? true,
        disabled: props.disabledColumnKeys.includes(
          item.dataIndex || (typeof item.title === 'string' ? item.title : '')
        )
      })
    })
  }
}

watch(
  () => attrs,
  () => {
    resetSettingColumns()
  },
  { immediate: true }
)

// 排序和过滤可显示的列数据
const _columns = computed(() => {
  if (!attrs.columns) return []
  const arr = attrs.columns as TableColumnData[]
  // 显示的dataIndex
  const showDataIndexs = settingColumnList.value
    .filter((i) => i.show)
    .map((i) => i.key || (typeof i.title === 'string' ? i.title : ''))
  // 显示的columns数据
  const filterColumns = arr.filter((i) =>
    showDataIndexs.includes(i.dataIndex || (typeof i.title === 'string' ? i.title : ''))
  )
  const sortedColumns: TableColumnData[] = []
  settingColumnList.value.forEach((i) => {
    filterColumns.forEach((j) => {
      if (i.key === (j.dataIndex || j.title)) {
        sortedColumns.push(j)
      }
    })
  })
  return sortedColumns
})

defineExpose({ tableRef })
</script>

<style lang="scss" scoped>
.gi-table {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background: var(--color-bg-1);
  &--fullscreen {
    padding: $padding;
    position: fixed;
    left: 0;
    right: 0;
    top: 0;
    bottom: 0;
    z-index: 1001;
  }
  &__container {
    max-height: 100%;
    overflow: hidden;
  }
  &__toolbar {
    :deep(.arco-form-item-layout-inline) {
      margin-right: 8px;
      &:last-of-type {
        margin-right: 0;
      }
    }

    :deep(.arco-form-layout-inline .arco-form-item) {
      margin-bottom: 0;
    }
  }
  &__draggable {
    padding: 1px 0; // 解决 max-height 和 overflow:auto 始终显示垂直滚动条问题
    max-height: 250px;
    box-sizing: border-box;
    overflow: hidden;
    overflow-y: auto;
  }
}

.drag-item {
  display: flex;
  align-items: center;

  cursor: pointer;
  &:hover {
    background-color: var(--color-fill-2);
  }
  &__move {
    padding-left: 2px;
    padding-right: 2px;
    cursor: move;
  }
  :deep(.arco-checkbox) {
    width: 100%;
    font-size: 12px;
    .arco-checkbox-icon {
      width: 14px;
      height: 14px;
    }
  }
}
</style>
