import Vue from 'vue'

export default function getCategoryList (payload = {}, option = {}) {
  return new Promise(async (resolve, reject) => {
    // 筛选项
    const filters = {
      name: {
        type: 'input',
        title: '分类名称',
        key: 'name',
        props: {
          placeholder: '输入分类名称',
          clearable: true,
        },
      },
    }
    // 操作项
    const actions = [
      {
        title: '添加分类',
        action: 'goCategoryDetail',
        props: {
          type: 'primary',
        },
      },
    ]
    const sortActions = [
      {
        title: '保存',
        action: 'editCategorySort',
        props: {
          type: 'success',
        },
      },
    ]

    // 表格项
    const columns = {
      name: {
        title: '分类名称',
        key: 'name',
        align: 'center',
        width: 100,
      },
      level: {
        title: '级别',
        key: 'level',
        align: 'center',
        width: 80,
        format: {
          type: 'config',
        },
      },
      ico: {
        nodeType: 'image',
        payload: {
          key: 'ico',
          title: '分类图标',
          width: 80,
          height: 80,
        },
      },
      desc: {
        title: '分类描述',
        key: 'desc',
        align: 'center',
      },
      is_open: {
        nodeType: 'iSwitch',
        payload: {
          title: '开启',
          key: 'is_open',
          action: 'switchCategory',
        },
      },
    }

    const sortColumns = {
      name: {
        title: '分类名称',
        key: 'name',
        align: 'center',
      },
      level: {
        title: '级别',
        key: 'level',
        align: 'center',
        format: {
          type: 'config',
        },
      },
      sort: {
        nodeType: 'input',
        payload: {
          title: '排序',
          key: 'sort',
          props: {
            type: 'number',
            number: true,
          },
        },
      },
    }

    // 表格扩展（数据操作）
    const columnsExtra = {
      nodeType: 'action',
      payload: {
        title: '操作',
        list: [
          {
            title: '编辑',
            action: 'goCategoryDetail',
            props: {
              loading: false,
            },
          },
          {
            title: '删除',
            action: 'deleteCategory',
          },
        ],
      },
    }

    const sortColumnsExtra = {
      nodeType: 'action',
      payload: {
        title: '操作',
        list: [
          {
            title: '商品排序',
            action: 'goCategoryProductSort',
            props: {
              loading: false,
              type: 'primary',
            },
          },
        ],
      },
    }

    try {
      const isSort = option.type === 'sort'
      if (isSort) payload.per_page = 1000
      const { data, extra, meta } = await Vue.http.get('/product/category', {
        params: payload,
      })

      // 处理级别功能和操作
      const handleLevel = {
        level1 () {
          actions.push({
            title: '排序',
            action: 'goCategorySort',
            actionOption: {
              parent_id: 0,
              type: 'sort',
            },
            props: {
              type: 'primary',
            },
          })
          this.level2()
        },
        level2 () {
          columnsExtra.payload.list.unshift({
            title: '查看子分类',
            action: 'goCategoryList',
            props: {
              loading: false,
              type: 'primary',
            },
          },)
        },
        level3 () {},
      }
      if (data.length) handleLevel[`level${data[0].level}`]()

      // 返回数据
      const response = {
        filters: isSort ? [] : extra.filters.map(key => filters[key]).filter(Boolean),
        actions: isSort ? sortActions : actions,
        data,
        columns: extra.columns
          .map(key => (isSort ? sortColumns : columns)[key])
          .filter(Boolean)
          .concat(isSort ? sortColumnsExtra : columnsExtra),
        page: isSort ? {} : meta.pagination,
      }
      resolve(response)
    } catch (e) {
      reject(e)
    }
  })
}