import {
  FocusEvent,
  KeyboardEvent,
  MouseEvent,
  PointerEvent,
  TouchEvent
} from 'react';

import { DateRange } from './Matchers';

import { ActiveModifiers } from './Modifiers';

/** The event handler when a day is clicked. */
export type DayClickEventHandler = (
  day: Date,
  activeModifiers: ActiveModifiers,
  e: MouseEvent
) => void;

/** The event handler when a day is focused. */
export type DayFocusEventHandler = (
  day: Date,
  activeModifiers: ActiveModifiers,
  e: FocusEvent | KeyboardEvent
) => void;

/** The event handler when a day gets a keyboard event. */
export type DayKeyboardEventHandler = (
  day: Date,
  activeModifiers: ActiveModifiers,
  e: KeyboardEvent
) => void;

/** The event handler when a day gets a mouse event. */
export type DayMouseEventHandler = (
  day: Date,
  activeModifiers: ActiveModifiers,
  e: MouseEvent
) => void;

/** The event handler when a day gets a pointer event. */
export type DayPointerEventHandler = (
  day: Date,
  activeModifiers: ActiveModifiers,
  e: PointerEvent
) => void;

/** The event handler when a month is changed in the calendar. */
export type MonthChangeEventHandler = (month: Date) => void;

/** The event handler when selecting multiple days. */
export type SelectMultipleEventHandler = (
  /** The selected days */
  days: Date[] | undefined,
  /** The day that was clicked triggering the event. */
  selectedDay: Date,
  /** The day that was clicked */
  activeModifiers: ActiveModifiers,
  /** The mouse event that triggered this event. */
  e: MouseEvent
) => void;

/** The event handler when selecting a range of days. */
export type SelectRangeEventHandler = (
  /** The current range of the selected days. */
  range: DateRange | undefined,
  /** The day that was selected (or clicked) triggering the event. */
  selectedDay: Date,
  /** The modifiers of the selected day. */
  activeModifiers: ActiveModifiers,
  e: MouseEvent
) => void;

/** The event handler when selecting a single day. */
export type SelectSingleEventHandler = (
  /** The selected day, `undefined` when `required={false}` (default) and the day is clicked again. */
  day: Date | undefined,
  /** The day that was selected (or clicked) triggering the event. */
  selectedDay: Date,
  /** The modifiers of the selected day. */
  activeModifiers: ActiveModifiers,
  e: MouseEvent
) => void;

/**The event handler when the week number is clicked. */
export type WeekNumberClickEventHandler = (
  /** The week number that has been clicked. */
  weekNumber: number,
  /** The dates in the clicked week. */
  dates: Date[],
  /** The mouse event that triggered this event. */
  e: MouseEvent
) => void;

/** The event handler when a day gets a touch event. */
export type DayTouchEventHandler = (
  day: Date,
  activeModifiers: ActiveModifiers,
  e: TouchEvent
) => void;