/**
 * Copyright (c) Nicolas Gallagher.
 *
 * This source code is licensed under the MIT license found in the
 * LICENSE file in the root directory of this source tree.
 *
 * @flow
 */

export type ColorValue = null | string

export type DimensionValue = null | number | string

export type EdgeInsetsValue = {
  top: number
  left: number
  right: number
  bottom: number
}

export type GenericStyleProp<T> =
  | null
  | void
  | T
  | false
  | ''
  | ReadonlyArray<GenericStyleProp<T>>

export type LayoutValue = {
  x: number
  y: number
  width: number
  height: number
}

export type LayoutEvent = {
  nativeEvent: {
    layout: LayoutValue
    target: any
  }
  timeStamp: number
}

export type PointValue = {
  x: number
  y: number
}

type LayoutCallback = (
  x: number,
  y: number,
  width: number,
  height: number,
  left: number,
  top: number
) => void

type MeasureInWindowCallback = (
  left: number,
  top: number,
  width: number,
  height: number
) => void

// Mixin to HTMLElement that represents additions from the `usePlatformMethods` hook
export interface PlatformMethods {
  blur: () => void
  focus: () => void
  measure: (callback: LayoutCallback) => void
  measureInWindow: (callback: MeasureInWindowCallback) => void
  measureLayout: (
    relativeToNativeNode: {},
    onSuccess: LayoutCallback,
    onFail: () => void
  ) => void
  setNativeProps: (nativeProps: {}) => void
}