// Type definitions for rrule 2.1.0
// Project: https://github.com/jkbrzt/rrule
// Definitions by: James Bracy <https://github.com/waratuman>
// Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped

declare module 'rrule' {
    export = RRule;
}

declare namespace RRule {

    /**
    * see <http://labix.org/python-dateutil/#head-cf004ee9a75592797e076752b2a889c10f445418>
    * The only required option is `freq`, one of RRule.YEARLY, RRule.MONTHLY, ...
    */
    interface Options {
        freq: RRule.Frequency;
        dtstart?: Date;
        interval?: number;
        wkst?: number | Weekday
        count?: number;
        until?: Date;
        bysetpos?: number | number[];
        bymonth?: number | number[];
        bymonthday?: number | number[];
        byyearday?: number | number[];
        byweekno?: number | number[];
        byweekday?:  Weekday | Weekday[] | number | number[];
        byhour?: number | number[];
        byminute?: number | number[];
        bysecond?: number | number[];
    }

    class Weekday {
        constructor(weekday: number, n: number);

        nth(n: number): Weekday;

        equals(other: Weekday): boolean;

        toString(): string;

        getJsWeekday(): number;
    }

}

declare class RRule {

    /**
    * @param {Object?} options - see <http://labix.org/python-dateutil/#head-cf004ee9a75592797e076752b2a889c10f445418>
    *        The only required option is `freq`, one of RRule.YEARLY, RRule.MONTHLY, ...
    * @constructor
    */
    constructor(options: RRule.Options, noCache?: boolean);

    options: RRule.Options;

    origOptions: RRule.Options;

    /**
    * Returns the first recurrence after the given datetime instance.
    * The inc keyword defines what happens if dt is an occurrence.
    * With inc == True, if dt itself is an occurrence, it will be returned.
    * @return Date or null
    */
    after(dt: Date, inc?: boolean): Date;

    /**
    * @param {Function} iterator - optional function that will be called
    *                   on each date that is added. It can return false
    *                   to stop the iteration.
    * @return Array containing all recurrences.
    */
    all(iterator?: (date: Date, index?: number) => void): Date[];

    /**
    * Returns all the occurrences of the rrule between after and before.
    * The inc keyword defines what happens if after and/or before are
    * themselves occurrences. With inc == True, they will be included in the
    * list, if they are found in the recurrence set.
    * @return Array
    */
    between(a: Date, b: Date, inc?: boolean, iterator?: (date: Date, index: number) => void): Date[];

    /**
    * Returns the last recurrence before the given datetime instance.
    * The inc keyword defines what happens if dt is an occurrence.
    * With inc == True, if dt itself is an occurrence, it will be returned.
    * @return Date or null
    */
    before(dt: Date, inc?: boolean): Date;

    /**
    * Returns the number of recurrences in this set. It will have go trough
    * the whole recurrence, if this hasn't been done before.
    */
    count(): number;

    /**
    * Converts the rrule into its string representation
    * @see <http://www.ietf.org/rfc/rfc2445.txt>
    * @return String
    */
    toString(): string;

    /**
    * Will convert all rules described in nlp:ToText
    * to text.
    */
    toText(gettext?: (str: string) => string, language?: any): string;

    isFullyConvertibleToText(): boolean;

    clone(): RRule;

}

declare namespace RRule {

    const FREQUENCIES: "YEARLY" | "MONTHLY" | "WEEKLY" | "DAILY" | "HOURLY" | "MINUTELY" | "SECONDLY";

    enum Frequency {
        YEARLY      = 0,
        MONTHLY     = 1,
        WEEKLY      = 2,
        DAILY       = 3,
        HOURLY      = 4,
        MINUTELY    = 5,
        SECONDLY    = 6
    }

    const YEARLY: Frequency;
    const MONTHLY: Frequency;
    const WEEKLY: Frequency;
    const DAILY: Frequency;
    const HOURLY: Frequency;
    const MINUTELY: Frequency;
    const SECONDLY: Frequency;

    const MO: Weekday;
    const TU: Weekday;
    const WE: Weekday;
    const TH: Weekday;
    const FR: Weekday;
    const SA: Weekday;
    const SU: Weekday;

    const DEFAULT_OPTIONS: RRule.Options;

    function parseText(text: string, language?: any): RRule.Options;

    function fromText(text: string, language?: any): RRule;

    function optionsToString(options: RRule.Options): string;

    function parseString(rfcString: string): RRule.Options;

    function fromString(value: string): RRule;

    class RRuleSet extends RRule {
      /**
      *
      * @param {Boolean?} noCache
      *  The same stratagy as RRule on cache, default to false
      * @constructor
      */
      constructor(noCache?: boolean);
      rrule(rrule: RRule): void;
      rdate(date: Date): void;
      exrule(rrule: RRule): void;
      exdate(date: Date): void;
      valueOf(): string[];
      /**
      * to generate recurrence field sush as:
      *   ["RRULE:FREQ=YEARLY;COUNT=2;BYDAY=TU;DTSTART=19970902T010000Z","RRULE:FREQ=YEARLY;COUNT=1;BYDAY=TH;DTSTART=19970902T010000Z"]
      */
      toString(): string;
      /**
      * Create a new RRuleSet Object completely base on current instance
      */
      clone(): RRuleSet;
    }
}