// Type definitions for jake
// Project: https://github.com/mde/jake
// Definitions by: Kon <http://phyzkit.net/>
// Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
// TypeScript Version: 2.2

/// <reference types="node" />

import { EventEmitter } from 'events';

declare global {
/**
 * Complets an asynchronous task, allowing Jake's execution to proceed to the next task
 * @param value A value to return from the task.
 */
function complete(value?: any): void;

/**
 * Creates a description for a Jake Task (or FileTask, DirectoryTask). When invoked, the description that iscreated will be associated with whatever Task is created next.
 * @param description The description for the Task
 */
function desc(description:string): void;

/**
 * Creates a Jake DirectoryTask. Can be used as a prerequisite for FileTasks, or for simply ensuring a directory exists for use with a Task's action.
 * @param name The name of the DiretoryTask
 */
function directory(name:string): jake.DirectoryTask;

/**
 * Causes Jake execution to abort with an error. Allows passing an optional error code, which will be used to set the exit-code of exiting process.
 * @param err The error to thow when aborting execution. If this argument is an Error object, it will simply be thrown. If a String, it will be used as the error-message. (If it is a multi-line String, the first line will be used as the Error message, and the remaining lines will be used as the error-stack.)
 */
function fail(...err:string[]): void;
function fail(...err:Error[]): void;
function fail(...err:any[]): void;

/**
 * Creates a Jake FileTask.
 * @name name The name of the Task
 * @param prereqs Prerequisites to be run before this task
 * @param action The action to perform for this task
 * @param opts Perform this task asynchronously. If you flag a task with this option, you must call the global `complete` method inside the task's action, for execution to proceed to the next task.
 */
function file(name:string, prereqs?:string[], action?:(this: jake.FileTask)=>void, opts?:jake.FileTaskOptions): jake.FileTask;

/**
 * Creates Jake FileTask from regex patterns
 * @name name/pattern of the Task
 * @param source calculated from the name pattern
 * @param prereqs Prerequisites to be run before this task
 * @param action The action to perform for this task
 * @param opts Perform this task asynchronously. If you flag a task with this option, you must call the global `complete` method inside the task's action, for execution to proceed to the next task.
 */
function rule(pattern: RegExp, source: string | { (name: string): string; }, prereqs?: string[], action?: () => void, opts?: jake.TaskOptions): void;

/**
 * Creates a namespace which allows logical grouping of tasks, and prevents name-collisions with task-names. Namespaces can be nested inside of other namespaces.
 * @param name The name of the namespace
 * @param scope The enclosing scope for the namespaced tasks
 */
function namespace(name:string, scope:()=>void): void;

/**
 * @param name The name of the Task
 * @param prereqs Prerequisites to be run before this task
 * @param action The action to perform for this task
 * @param opts
 */
function task(name:string, prereqs?:string[], action?:(this: jake.Task, ...params:any[])=>any, opts?:jake.TaskOptions): jake.Task;
function task(name:string, action?:(this: jake.Task, ...params:any[])=>any, opts?:jake.TaskOptions): jake.Task;
function task(name:string, opts?:jake.TaskOptions, action?:(this: jake.Task, ...params:any[])=>any): jake.Task;

/**
 * @param name The name of the NpmPublishTask
 * @param packageFiles The files to include in the package
 * @param definition A function that creates the package definition
 */
function npmPublishTask(name:string, packageFiles:string[]): jake.NpmPublishTask;
function npmPublishTask(name:string, definition?:()=>void): jake.NpmPublishTask;


namespace jake{

    ////////////////////////////////////////////////////////////////////////////////////
    // File-utils //////////////////////////////////////////////////////////////////////
    ////////////////////////////////////////////////////////////////////////////////////

    interface UtilOptions{
        silent?: boolean | undefined;
    }

    /**
     * The jake.mkdirP utility recursively creates a set of nested directories. It will not throw an error if any of the directories already exists.
     * https://github.com/substack/node-mkdirp
     */
    export function mkdirP(name:string, mode?:string, f?:(er:Error, made:any)=>void): void;
    export function mkdirP(name:string, f?:(er:Error, made:any)=>void): void;

    /**
     * The jake.cpR utility does a recursive copy of a file or directory.
     * Note that this command can only copy files and directories; it does not perform globbing (so arguments like '*.txt' are not possible).
     * @param path the file/directory to copy,
     * @param destination the destination.
     */
    export function cpR(path:string, destination:string, opts?:UtilOptions, callback?:()=>void): void;
    export function cpR(path:string, destination:string, callback?:(err:Error)=>void): void;

    /**
     * The jake.readdirR utility gives you a recursive directory listing, giving you output somewhat similar to the Unix find command. It only works with a directory name, and does not perform filtering or globbing.
     * @return an array of filepaths for all files in the 'pkg' directory, and all its subdirectories.
     */
    export function readdirR(name:string, opts?:UtilOptions): string[];

    /**
     * The jake.rmRf utility recursively removes a directory and all its contents.
     */
    export function rmRf(name:string, opts?:UtilOptions): void;

    //////////////////////////////////////////////////////////////////////////////////////////////
    // Running shell-commands ////////////////////////////////////////////////////////////////////
    //////////////////////////////////////////////////////////////////////////////////////////////

    interface ExecOptions{
        /**
         * print to stdout, default false
         */

        printStdout?:boolean | undefined;
        /**
         * print to stderr, default false
         */
        printStderr?:boolean | undefined;

        /**
         * stop execution on error, default true
         */
        breakOnError?:boolean | undefined;

        /**
        *
        */
        windowsVerbatimArguments?: boolean | undefined
    }
    export function exec(cmds:string[], callback?:()=>void, opts?:ExecOptions):void;


    /**
     * @event cmdStart When a new command begins to run. Passes one arg, the command being run.
     * @event cmdEnd When a command finishes. Passes one arg, the command being run.
     * @event stdout When the stdout for the child-process recieves data. This streams the stdout data. Passes one arg, the chunk of data.
     * @event stderr When the stderr for the child-process recieves data. This streams the stderr data. Passes one arg, the chunk of data.
     * @event error When a shell-command
     */
    export interface Exec extends NodeJS.EventEmitter {
        append(cmd:string): void;
        run(): void;
    }

    export function createExec(cmds:string[], callback?:()=>void, opts?:ExecOptions ):Exec;
    export function createExec(cmds:string[], opts?:ExecOptions,  callback?:()=>void):Exec;
    export function createExec(cmds:string,   callback?:()=>void, opts?:ExecOptions ):Exec;
    export function createExec(cmds:string,   opts?:ExecOptions,  callback?:()=>void):Exec;

    ////////////////////////////////////////////////////////////////////////////////////////////////////////////
    // Logging and output ////////////////////////////////////////////////////////////////////////////////////////
    /////////////////////////////////////////////////////////////////////////////////////////////////////////////

    interface Logger{
        log(value:any): void;
        error(value:any): void;
    }

    export var logger: Logger;

    //////////////////////////////////////////////////////////////////////////////////////////////////////////////
    // program ////////////////////////////////////////////////////////////////////////////////////////////////////
    ////////////////////////////////////////////////////////////////////////////////////////////////////////////////

    export var program: {
        opts: {
            [name:string]: any;
            quiet: boolean;
        };
        taskNames: string[];
        taskArgs: string[];
        envVars: { [key:string]: string; };
    };


    //////////////////////////////////////////////////////////////////////////////////////////////////////////////
    // Tasks /////////////////////////////////////////////////////////////////////////////////////////////////////
    //////////////////////////////////////////////////////////////////////////////////////////////////////////////


    export interface TaskOptions{
        /**
         * Perform this task asynchronously. If you flag a task with this option, you must call the global `complete` method inside the task's action, for execution to proceed to the next task.
         * @default false
         */
        async?: boolean | undefined;

        /**
         * number of parllel async tasks
        */
        parallelLimit?: number | undefined;
    }

    /**
     * A Jake Task
     *
     * @event complete
     */
    export class Task extends EventEmitter {
        /**
         * @name name The name of the Task
         * @param prereqs Prerequisites to be run before this task
         * @param action The action to perform for this task
         * @param opts Perform this task asynchronously. If you flag a task with this option, you must call the global `complete` method inside the task's action, for execution to proceed to the next task.
         */
        constructor(name:string, prereqs?:string[], action?:(this: Task)=>void, opts?:TaskOptions);

        /**
         * Runs prerequisites, then this task. If the task has already been run, will not run the task again.
         */
        invoke(): void;

        /**
         * Runs this task, without running any prerequisites. If the task has already been run, it will still run it again.
         */
        reenable(): void;

        addListener(event: string, listener: Function): this;
        on(event: string, listener: Function): this;
        once(event: string, listener: Function): this;
        removeListener(event: string, listener: Function): this;
        removeAllListeners(event?: string): this;
        setMaxListeners(n: number): this;
        getMaxListeners(): number;
        listeners(event: string): Function[];
        emit(event: string, ...args: any[]): boolean;
        listenerCount(type: string): number;
        complete(value?: any): void;
        value: any;

        name?: string | undefined;
        prereqs?: string[] | undefined;
        action?: ((...params: any[]) => any) | undefined;
        taskStatus?: string | undefined;
        async?: boolean | undefined;
        description?: string | undefined;
        fullName: string;
    }

    export class DirectoryTask extends FileTask {
        /**
         * @param name The name of the directory to create.
         */
        constructor(name:string);
    }

    export interface FileTaskOptions{
        /**
         * Perform this task asynchronously. If you flag a task with this option, you must call the global `complete` method inside the task's action, for execution to proceed to the next task.
         * @default false
         */
        async?: boolean | undefined;
    }

    export class FileTask extends Task{
        /**
         * @param name The name of the Task
         * @param prereqs Prerequisites to be run before this task
         * @param action The action to perform to create this file
         * @param opts Perform this task asynchronously. If you flag a task with this option, you must call the global `complete` method inside the task's action, for execution to proceed to the next task.
         */
        constructor(name:string, prereqs?:string[], action?:(this: FileTask)=>void, opts?:FileTaskOptions);
    }

    interface FileFilter{
        (filename:string): boolean;
    }

    export class FileList{
        constructor();

        /**
         * Includes file-patterns in the FileList. Should be called with one or more
         * pattern for finding file to include in the list. Arguments should be strings
         * for either a glob-pattern or a specific file-name, or an array of them
         */
        include(files:string[]): void;
        include(...files:string[]): void;

        /**
         * Indicates whether a particular file would be filtered out by the current
         * exclusion rules for this FileList.
         * @param name The filename to check
         * @return Whether or not the file should be excluded
         */
        shouldExclude(name:string): boolean;

        /**
         * Excludes file-patterns from the FileList. Should be called with one or more
         * pattern for finding file to include in the list. Arguments can be:
         * 1. Strings for either a glob-pattern or a specific file-name
         * 2. Regular expression literals
         * 3. Functions to be run on the filename that return a true/false
         */
        exclude(file:string[]): void;
        exclude(...file:string[]): void;
        exclude(file:RegExp[]): void;
        exclude(...file:RegExp[]): void;
        exclude(file:FileFilter[]): void;
        exclude(...file:FileFilter[]): void;

        /**
         * Populates the FileList from the include/exclude rules with a list of
         * actual files
         */
        resolve(): void;

        /**
         * Convert to a plain-jane array
         */
        toArray(): string[];

        /**
          * Get rid of any current exclusion rules
           */
          clearExclude(): void;
    }

    export class PackageTask{
        /**
         * Instantiating a PackageTask creates a number of Jake Tasks that make packaging and distributing your software easy.
         * @param name The name of the project
         * @param version The current project version (will be appended to the project-name in the package-archive
         * @param definition Defines the contents of the package, and format of the package-archive. Will be executed on the instantiated PackageTask (i.e., 'this', will be the PackageTask instance), to set the various instance-propertiess.
         */
        constructor(name:string, version:string, definition:()=>void);

        /**
         *     Equivalent to the '-C' command for the `tar` and `jar` commands. ("Change to this directory before adding files.")
         */
        archiveChangeDir: string;

        /**
         * Specifies the files and directories to include in the package-archive. If unset, this will default to the main package directory -- i.e., name + version.
         */
         archiveContentDir: string;

         /**
          * The shell-command to use for creating jar archives.
         */
        jarCommand: string;

        /**
         * Can be set to point the `jar` utility at a manifest file to use in a .jar archive. If unset, one will be automatically created by the `jar` utility. This path should be relative to the root of the package directory (this.packageDir above, likely 'pkg')
         */
        manifestFile: string;

        /**
         * The name of the project
         */
        name: string;

        /**
         * If set to true, uses the `jar` utility to create a .jar archive of the pagckage
         */
        needJar: boolean;

        /**
         * If set to true, uses the `tar` utility to create a gzip .tgz archive of the pagckage
         */
        needTar: boolean;

        /**
         * If set to true, uses the `tar` utility to create a bzip2 .bz2 archive of the pagckage
         */
        needTarBz2: boolean;

        /**
         * If set to true, uses the `zip` utility to create a .zip archive of the pagckage
         */
        needZip: boolean;

        /**
         * The list of files and directories to include in the package-archive
         */
        packageFiles: FileList;

        /**
         * The shell-command to use for creating tar archives.
         */
        tarCommand: string;

        /**
         * The project version-string
         */
        version: string;

        /**
         * The shell-command to use for creating zip archives.
         */
        zipCommand: string;

    }

    export class TestTask{
        constructor(name:string, definition?:()=>void);
    }

    export class NpmPublishTask{
        constructor(name:string, packageFiles:string[]);
        constructor(name:string, definition?:()=>void);
    }

    export function addListener(event: string, listener: Function): NodeJS.EventEmitter;
    export function on(event: string, listener: Function): NodeJS.EventEmitter;
    export function once(event: string, listener: Function): NodeJS.EventEmitter;
    export function removeListener(event: string, listener: Function): NodeJS.EventEmitter;
    export function removeAllListener(event: string): NodeJS.EventEmitter;
    export function setMaxListeners(n: number): void;
    export function listeners(event: string): Function[];
    export function emit(event: string, ...args: any[]): boolean;
}
}