/// <reference path="./es6.ts" />
/// <reference path="./disposables/disposable.ts" />
/// <reference path="./observer-lite.ts" />
module Rx {
    export module config {
        export var Promise: { new <T>(resolver: (resolvePromise: (value: T) => void, rejectPromise: (reason: any) => void) => void): IPromise<T>; };
    }

    export module helpers {
        export var noop: () => void;
        export var notDefined: (value: any) => boolean;
        export var identity: <T>(value: T) => T;
        export var defaultNow: () => number;
        export var defaultComparer: (left: any, right: any) =>  boolean;
        export var defaultSubComparer: (left: any, right: any) =>  number;
        export var defaultKeySerializer: (key: any) =>  string;
        export var defaultError: (err: any) =>  void;
        export var isPromise: (p: any) =>  boolean;
        export var asArray: <T>(...args: T[]) =>  T[];
        export var not: (value: any) =>  boolean;
        export var isFunction: (value: any) =>  boolean;
    }

    export type _Selector<T, TResult> = (value: T, index: number, observable: Observable<T>) => TResult;
    export type _ValueOrSelector<T, TResult> = TResult | _Selector<T, TResult>;
    export type _Predicate<T> = _Selector<T, boolean>;
    export type _Comparer<T, TResult> = (value1: T, value2: T) => TResult;
    export type _Accumulator<T, TAcc> = (acc: TAcc, value: T) => TAcc;

    export module special {
        export type _FlatMapResultSelector<T1, T2, TResult> = (value: T1, selectorValue: T2, index: number, selectorOther: number) => TResult;
    }

    export interface IObservable<T> {
        /**
        *  Subscribes an o to the observable sequence.
        *  @param {Mixed} [oOrOnNext] The object that is to receive notifications or an action to invoke for each element in the observable sequence.
        *  @param {Function} [onError] Action to invoke upon exceptional termination of the observable sequence.
        *  @param {Function} [onCompleted] Action to invoke upon graceful termination of the observable sequence.
        *  @returns {Diposable} A disposable handling the subscriptions and unsubscriptions.
        */
        subscribe(observer: IObserver<T>): IDisposable;
        /**
        *  Subscribes an o to the observable sequence.
        *  @param {Mixed} [oOrOnNext] The object that is to receive notifications or an action to invoke for each element in the observable sequence.
        *  @param {Function} [onError] Action to invoke upon exceptional termination of the observable sequence.
        *  @param {Function} [onCompleted] Action to invoke upon graceful termination of the observable sequence.
        *  @returns {Diposable} A disposable handling the subscriptions and unsubscriptions.
        */
        subscribe(onNext?: (value: T) => void, onError?: (exception: any) => void, onCompleted?: () => void): IDisposable;
    }

    export interface Observable<T> {
        /**
        *  Subscribes an o to the observable sequence.
        *  @param {Mixed} [oOrOnNext] The object that is to receive notifications or an action to invoke for each element in the observable sequence.
        *  @param {Function} [onError] Action to invoke upon exceptional termination of the observable sequence.
        *  @param {Function} [onCompleted] Action to invoke upon graceful termination of the observable sequence.
        *  @returns {Diposable} A disposable handling the subscriptions and unsubscriptions.
        */
        subscribe(observer: IObserver<T>): IDisposable;
        /**
        *  Subscribes an o to the observable sequence.
        *  @param {Mixed} [oOrOnNext] The object that is to receive notifications or an action to invoke for each element in the observable sequence.
        *  @param {Function} [onError] Action to invoke upon exceptional termination of the observable sequence.
        *  @param {Function} [onCompleted] Action to invoke upon graceful termination of the observable sequence.
        *  @returns {Diposable} A disposable handling the subscriptions and unsubscriptions.
        */
        subscribe(onNext?: (value: T) => void, onError?: (exception: any) => void, onCompleted?: () => void): IDisposable;

        /**
        * Subscribes to the next value in the sequence with an optional "this" argument.
        * @param {Function} onNext The function to invoke on each element in the observable sequence.
        * @param {Any} [thisArg] Object to use as this when executing callback.
        * @returns {Disposable} A disposable handling the subscriptions and unsubscriptions.
        */
        subscribeOnNext(onNext: (value: T) => void, thisArg?: any): IDisposable;
        /**
        * Subscribes to an exceptional condition in the sequence with an optional "this" argument.
        * @param {Function} onError The function to invoke upon exceptional termination of the observable sequence.
        * @param {Any} [thisArg] Object to use as this when executing callback.
        * @returns {Disposable} A disposable handling the subscriptions and unsubscriptions.
        */
        subscribeOnError(onError: (exception: any) => void, thisArg?: any): IDisposable;
        /**
        * Subscribes to the next value in the sequence with an optional "this" argument.
        * @param {Function} onCompleted The function to invoke upon graceful termination of the observable sequence.
        * @param {Any} [thisArg] Object to use as this when executing callback.
        * @returns {Disposable} A disposable handling the subscriptions and unsubscriptions.
        */
        subscribeOnCompleted(onCompleted: () => void, thisArg?: any): IDisposable;

        /**
        *  Subscribes an o to the observable sequence.
        *  @param {Mixed} [oOrOnNext] The object that is to receive notifications or an action to invoke for each element in the observable sequence.
        *  @param {Function} [onError] Action to invoke upon exceptional termination of the observable sequence.
        *  @param {Function} [onCompleted] Action to invoke upon graceful termination of the observable sequence.
        *  @returns {Diposable} A disposable handling the subscriptions and unsubscriptions.
        */
        forEach(observer: IObserver<T>): IDisposable;

        /**
        *  Subscribes an o to the observable sequence.
        *  @param {Mixed} [oOrOnNext] The object that is to receive notifications or an action to invoke for each element in the observable sequence.
        *  @param {Function} [onError] Action to invoke upon exceptional termination of the observable sequence.
        *  @param {Function} [onCompleted] Action to invoke upon graceful termination of the observable sequence.
        *  @returns {Diposable} A disposable handling the subscriptions and unsubscriptions.
        */
        forEach(onNext?: (value: T) => void, onError?: (exception: any) => void, onCompleted?: () => void): IDisposable;
    }

    export interface ObservableStatic {
        /**
        * Determines whether the given object is an Observable
        * @param {Any} An object to determine whether it is an Observable
        * @returns {Boolean} true if an Observable, else false.
        */
        isObservable(o: any): boolean;
    }

    export var Observable: ObservableStatic;
}


(function() {
    var observer: Rx.IObserver<number>;
    var observable: Rx.Observable<number>;

    observable.subscribe(observer);
    observable.subscribe((v) => {});
    observable.subscribe((v) => {}, (e) => {});
    observable.subscribe((v) => {}, (e) => {}, () => {});

    observable.subscribeOnNext((v) => {});
    observable.subscribeOnNext((v) => {}, {});

    observable.subscribeOnError((v) => {});
    observable.subscribeOnError((v) => {}, {});

    observable.subscribeOnCompleted(() => {});
    observable.subscribeOnCompleted(() => {}, {});

    observable.forEach(observer);
    observable.forEach((v) => {});
    observable.forEach((v) => {}, (e) => {});
    observable.forEach((v) => {}, (e) => {}, () => {});

    Rx.Observable.isObservable({});
});