// Type definitions for countdown.js
// Project: http://countdownjs.org/
// Definitions by: Gabriel Juchault <https://github.com/gjuchault>
// Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped

declare namespace countdown {
  type DateFunction = (timespan: Timespan) => void;
  type DateTime = number | Date | DateFunction;

  interface Timespan {
      start?: Date;
      end?: Date;
      units?: number;
      value?: number;
      millennia?: number;
      centuries?: number;
      decades?: number;
      years?: number;
      months?: number;
      days?: number;
      hours?: number;
      minutes?: number;
      seconds?: number;
      milliseconds?: number;
      toString(label?: string): string;
      toHTML(tagName?: string, label?: string): string;
  }

  interface Format {
    singular?: string | Array<string>;
    plural?: string | Array<string>;
    last?: string;
    delim?: string;
    empty?: string;
    formatNumber?(value: number): string;
    formatter?(value: number, unit: number): string;
  }

  interface CountdownStatic {
      (start: DateTime, end?: DateTime, units?: number, max?: number, digits?: number): Timespan | number;
      MILLENNIA: number;
      CENTURIES: number;
      DECADES: number;
      YEARS: number;
      MONTHS: number;
      WEEKS: number;
      DAYS: number;
      HOURS: number;
      MINUTES: number;
      SECONDS: number;
      MILLISECONDS: number;
      ALL: number;
      DEFAULTS: number;
      resetLabels(): void;
      setLabels(
        singular?: string,
        plural?: string,
        last?: string,
        delim?: string,
        empty?: string,
        formatNumber?: (value: number) => string,
        formatter?: (value: number, unit: number) => string
      ): void;
      resetFormat(): void;
      setFormat(format: Format): void;
  }
}

declare module 'countdown' {
  let countdown: countdown.CountdownStatic;
  export = countdown;
}