// Type definitions for sane 2.0
// Project: https://github.com/amasad/sane
// Definitions by: BendingBender <https://github.com/BendingBender>
// Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped

/// <reference types="node" />
import { EventEmitter } from 'events';
import { Stats } from 'fs';

export = sane;

declare function sane(dir: string, options?: sane.Options): sane.Watcher;

declare namespace sane {
    interface Options {
        glob?: string | string[];
        poll?: boolean;
        watchman?: boolean;
        fsevents?: boolean;
        watcher?: string;
        dot?: boolean;
        ignored?: AnymatchMatcher | AnymatchMatcher[];
    }

    const FSEventsWatcher: typeof SaneWatcher;
    const NodeWatcher: typeof SaneWatcher;
    const PollWatcher: typeof SaneWatcher;
    const WatchmanWatcher: typeof SaneWatcher;

    type Watcher = SaneWatcher;

    type AnymatchMatcher = string | RegExp | ((...testStrings: string[]) => boolean);
}

declare class SaneWatcher extends EventEmitter {
    readonly globs: string[];
    readonly dot: boolean;
    readonly ignored: sane.AnymatchMatcher | sane.AnymatchMatcher[];
    readonly hasIgnore: boolean;
    readonly root: string;

    constructor(dir: string, options?: sane.Options);
    close(callback?: () => void): void;

    addListener(event: 'ready', listener: () => void): this;
    addListener(event: 'error', listener: (error: Error) => void): this;
    addListener(event: 'all', listener: (eventType: AllEventType, path: string, root: string, stat?: Stats) => void): this;
    addListener(event: 'add' | 'change', listener: (path: string, root: string, stat: Stats) => void): this;
    addListener(event: 'delete', listener: (path: string, root: string) => void): this;
    on(event: 'ready', listener: () => void): this;
    on(event: 'error', listener: (error: Error) => void): this;
    on(event: 'all', listener: (eventType: AllEventType, path: string, root: string, stat?: Stats) => void): this;
    on(event: 'add' | 'change', listener: (path: string, root: string, stat: Stats) => void): this;
    on(event: 'delete', listener: (path: string, root: string) => void): this;
    once(event: 'ready', listener: () => void): this;
    once(event: 'error', listener: (error: Error) => void): this;
    once(event: 'all', listener: (eventType: AllEventType, path: string, root: string, stat?: Stats) => void): this;
    once(event: 'add' | 'change', listener: (path: string, root: string, stat: Stats) => void): this;
    once(event: 'delete', listener: (path: string, root: string) => void): this;
    prependListener(event: 'ready', listener: () => void): this;
    prependListener(event: 'error', listener: (error: Error) => void): this;
    prependListener(event: 'all', listener: (eventType: AllEventType, path: string, root: string, stat?: Stats) => void): this;
    prependListener(event: 'add' | 'change', listener: (path: string, root: string, stat: Stats) => void): this;
    prependListener(event: 'delete', listener: (path: string, root: string) => void): this;
    prependOnceListener(event: 'ready', listener: () => void): this;
    prependOnceListener(event: 'error', listener: (error: Error) => void): this;
    prependOnceListener(event: 'all', listener: (eventType: AllEventType, path: string, root: string, stat?: Stats) => void): this;
    prependOnceListener(event: 'add' | 'change', listener: (path: string, root: string, stat: Stats) => void): this;
    prependOnceListener(event: 'delete', listener: (path: string, root: string) => void): this;
    removeListener(event: 'ready', listener: () => void): this;
    removeListener(event: 'error', listener: (error: Error) => void): this;
    removeListener(event: 'all', listener: (eventType: AllEventType, path: string, root: string, stat?: Stats) => void): this;
    removeListener(event: 'add' | 'change', listener: (path: string, root: string, stat: Stats) => void): this;
    removeListener(event: 'delete', listener: (path: string, root: string) => void): this;
    removeAllListeners(event?: EventType): this;
    // tslint:disable-next-line ban-types
    listeners(event: EventType): Function[];
    emit(event: 'ready'): boolean;
    emit(event: 'error', error: Error): boolean;
    emit(event: 'all', eventType: AllEventType, path: string, root: string, stat?: Stats): boolean;
    emit(event: 'add' | 'change', path: string, root: string, stat: Stats): boolean;
    emit(event: 'delete', path: string, root: string): boolean;
    eventNames(): EventType[];
    listenerCount(type: EventType): number;
}

type EventType = 'ready' | 'error' | 'all' | AllEventType;
type AllEventType = 'add' | 'change' | 'delete';