import {PureComponent} from 'react';

export type CellMeasurerCacheInterface = {
  hasFixedWidth(): boolean;
  hasFixedHeight(): boolean;
  has(rowIndex: number, columnIndex: number): boolean;
  set(
    rowIndex: number,
    columnIndex: number,
    width: number,
    height: number,
  ): void;
  getHeight(rowIndex: number, columnIndex?: number): number;
  getWidth(rowIndex: number, columnIndex?: number): number;
};

export type KeyMapper = (rowIndex: number, columnIndex: number) => any;

export type CellMeasurerCacheParams = {
  defaultHeight?: number | undefined;
  defaultWidth?: number | undefined;
  fixedHeight?: boolean | undefined;
  fixedWidth?: boolean | undefined;
  minHeight?: number | undefined;
  minWidth?: number | undefined;
  keyMapper?: KeyMapper | undefined;
};
export class CellMeasurerCache implements CellMeasurerCacheInterface {
  constructor(params?: CellMeasurerCacheParams);
  clear(rowIndex: number, columnIndex: number): void;
  clearAll(): void;
  columnWidth: (params: {index: number}) => number;
  readonly defaultHeight: number;
  readonly defaultWidth: number;
  hasFixedHeight(): boolean;
  hasFixedWidth(): boolean;
  getHeight(rowIndex: number, columnIndex: number): number;
  getWidth(rowIndex: number, columnIndex: number): number;
  has(rowIndex: number, columnIndex: number): boolean;
  rowHeight: (params: {index: number}) => number;
  set(
    rowIndex: number,
    columnIndex: number,
    width: number,
    height: number,
  ): void;
}

export type CellPosition = {
  columnIndex: number;
  rowIndex: number;
};

export type MeasuredCellParent = {
  invalidateCellSizeAfterRender?: ((cell: CellPosition) => void) | undefined;
  recomputeGridSize?: ((cell: CellPosition) => void) | undefined;
};

export type CellMeasurerChildProps = {
  measure: () => void;
  registerChild: (element?: Element | null) => void;
};

export type CellMeasurerProps = {
  cache: CellMeasurerCacheInterface;
  children:
    | ((props: CellMeasurerChildProps) => React.ReactNode)
    | React.ReactNode;
  columnIndex?: number | undefined;
  index?: number | undefined;
  parent: MeasuredCellParent;
  rowIndex?: number | undefined;
  style?: React.CSSProperties | undefined;
  /**
   * PLEASE NOTE
   * The [key: string]: any; line is here on purpose
   * This is due to the need of force re-render of PureComponent
   * Check the following link if you want to know more
   * https://github.com/bvaughn/react-virtualized#pass-thru-props
   */
  [key: string]: any;
};
/**
 * Wraps a cell and measures its rendered content.
 * Measurements are stored in a per-cell cache.
 * Cached-content is not be re-measured.
 */
export class CellMeasurer extends PureComponent<CellMeasurerProps> {}

export default CellMeasurer;