import { PluginFunc } from 'dayjs'

declare const plugin: PluginFunc
export = plugin

declare module 'dayjs' {
  export function getHolidays(): string[];
  export function setHolidays(holidays: string[]): void;
  export function getBusinessTime(): BusinessHoursMap;
  export function setBusinessTime(businessHours: BusinessHoursMap): void;

  export type BusinessUnitType = 'minute' | 'minutes' | 'hour' | 'hours' | 'day' | 'days';
  export interface Dayjs {
    isBusinessDay(): boolean,
    isHoliday(): boolean,
    nextBusinessDay(): Dayjs,
    lastBusinessDay(): Dayjs,
    isBusinessTime(): boolean,
    isRealBusinessTime(): boolean,
    nextBusinessTime(): Dayjs,
    lastBusinessTime(): Dayjs,
    addBusinessDays(numberOfDays: number): Dayjs,
    subtractBusinessDays(numberOfDays: number): Dayjs,
    addBusinessHours(numberOfHours: number): Dayjs,
    addBusinessMinutes(numberOfMinutes: number, endTimeNotIncluded?: boolean): Dayjs,
    addBusinessTime(timeToAdd: number, businessUnit: BusinessUnitType): Dayjs,
    subtractBusinessMinutes(numberOfMinutes: number, endTimeNotIncluded?: boolean): Dayjs;
    subtractBusinessHours(numberOfHours: number): Dayjs,
    subtractBusinessTime(timeToSubtract: number, businessUnit: BusinessUnitType): Dayjs,
    businessMinutesDiff(comparator: Dayjs): number
    businessHoursDiff(comparator: Dayjs): number
    businessDaysDiff(comparator: Dayjs): number
    businessTimeDiff(comparator: Dayjs, businessUnit: BusinessUnitType): number,
  }
  export interface BusinessHoursMap {
    sunday: BusinessHours[] | null;
    monday: BusinessHours[] | null;
    tuesday: BusinessHours[] | null;
    wednesday: BusinessHours[] | null;
    thursday: BusinessHours[] | null;
    friday: BusinessHours[] | null;
    saturday: BusinessHours[] | null;
  }

  export interface BusinessHours {
    start: string,
    end: string
  }

  export interface BusinessTimeSegment {
    start: Dayjs;
    end: Dayjs;
  }

  export interface ILocale {
    holidays: string[],
    businessHours: BusinessHoursMap,
  }
}