import React from 'react'
import { StandardProps, RegularAttributes } from '../@types/common'
import { GetTableConsumerProps } from '../Table/Props'
import { AbsoluteProps } from '../AnimationList/Props'

export type TriggerType = 'click' | 'hover'

export type DropdownItem = DropdownNode | React.ReactNode

/**
 * @title DropdownData
 * @cn data 选项有三种情况：\n  为 ReactElement 时，直接显示此元素；\n  为 object 且设置了 renderItem，显示 renderItem 返回的内容；\n  为 object 且未设置 renderItem，按以下数据结构处理。
 * @en If data item is a ReactElement, render the item;\nIf data item is an object and renderItem is set, render the renderItem's result;\nif data item is an object and renderItem is not set, handle the parameters as follows;
 */
export interface DropdownNode {
  /**
   * @en When the url is not empty, a url will be rendered.
   * @cn url属性不为空时，render为一个链接
   */
  url?: string

  /**
   * @en It is valid when the url is not empty.
   * @cn url 不为空时有效
   */
  target?: string

  /**
   * @en Disabled
   * @cn 禁用
   */
  disabled?: boolean

  /**
   * @en element
   * @cn 默认从content获取内容
   */
  content?: React.ReactNode
  /**
   * @en childNode
   * @cn 子节点
   */
  children?: DropdownNode[]
  /**
   * @en click event
   * @cn 点击事件
   */
  onClick?: (data: DropdownNode) => void
  [key: string]: any
}

export interface ItemProps {
  data: DropdownItem
  itemClassName: string
  width: DropdownProps['width']
  onClick: DropdownProps['onClick']
  columns: DropdownProps['columns']
  renderItem: ((data: any) => React.ReactNode) | string
}

export interface SimpleDropdownProps extends StandardProps, Pick<AbsoluteProps, 'absolute'> {
  /**
   * @inner 内部属性
   */
  isSub?: boolean
  /**
   * @en Display multiple elements on the page. This property depends on the width attribute. Please set the number of columns and width appropriately.
   * @cn 页面多元素展示,此属性需要依赖width属性,请合理的设置列数和宽度
   */
  columns?: number

  /**
   * @en same as [Button](/components/Button)
   * @cn 同 [Button](/components/Button)
   * @default false
   */
  outline?: boolean

  /**
   * @en Specifies the dropdown should be disabled
   * @cn 禁用
   * @default false
   */
  disabled?: boolean

  /**
   * @en Specifies the dropdown should be disabled
   * @cn 是否开启动画
   * @default true
   */
  animation?: boolean

  /**
   * @en data of dropdown; See the detail in the DropdownNode
   * @cn 下拉数据 详见 DropdownData
   * @default []
   * @override object[]
   */
  data: DropdownItem[]

  /**
   * @en Toggle mode
   * @cn 触发方式
   * @default 'click'
   */
  trigger?: TriggerType

  /**
   * @en Displayed content of the button
   * @cn 按钮显示内容
   */
  placeholder?: React.ReactNode

  /**
   * @en same as [Button](/components/Button)
   * @cn 同 [Button](/components/Button)
   * @default 'default'
   * @override union
   */
  size?: RegularAttributes.Size

  /**
   * @en type of Dropdown
   * @cn 类型
   * @override union
   * @default 'default'
   */
  type?: RegularAttributes.Type | 'link'

  /**
   * @en The click event. The parameter is the rendered data. <br /> Note: if the onClick is set in the data, this method will be ignored and data.onclick will be called.
   * @cn 点击事件。参数为渲染的数据,注: 如果数据内设置了onClick，会忽略此方法，调用data.onClick
   */
  onClick?: (data: any) => void

  /**
   * @en The width of the pop-up option layer
   * @cn 弹出选项层的宽度
   */
  width?: number

  /**
   * @en Set position property can control the direction and position of the drop-down menu
   * @cn 弹出的方向和位置
   * @default 'auto'
   */
  position?:
    | 'left-top'
    | 'left-bottom'
    | 'right-top'
    | 'right-bottom'
    | 'top-right'
    | 'top-left'
    | 'bottom-right'
    | 'bottom-left'
    | 'auto'

  /**
   * @en Set the displayed content. If it is a string,  the corresponding value will be displayed. \n If it is a function, the return value will be displayed and its parameter is the current data.
   * @cn 设置显示的内容,如果是字符串,则为对应的值。如果是函数,则返回值为显示的内容,参数为当条数据
   */
  renderItem?: ((data: any) => React.ReactNode) | string

  /**
   * @en Set visible of cascader popup
   * @cn 控制浮层显隐
   */
  open?: boolean

  /**
   * @en options collapse callback
   * @cn 下拉列表展开/收起回调
   */
  onCollapse?: (collapse: boolean) => void
}

/**
 * @title DropDown
 */
export type DropdownProps = GetTableConsumerProps<SimpleDropdownProps>

export declare class DropdownClass extends React.Component<DropdownProps, {}> {
  render(): JSX.Element
}

export type DropdownType = typeof DropdownClass