const gulp = require('gulp');
const concat = require('gulp-concat');
const uglify = require('gulp-uglify');
const babel = require('gulp-babel');
const template = require('gulp-template');
const {Haxe, FlashPlayer, Neko} = require('gulp-haxetool');
const Debug = require('./debug');
const webserver = require('gulp-webserver');
const run = require('gulp-run');
const tail = require('./tail');
const deb = require('gulp-debian');

/**
 *
 */
const Platform = {
    FLASH: 'flash',
    HTML5: 'html5',
    LINUX: 'linux',
    NEKO: 'neko',
};


class Config {

    constructor({name, version, lib=[], cp=[], main=null, values={}, macro=[]}) {
        this.name = name;
        this.version = version;
        this.lib = lib;
        this.cp = cp;
        this.main = main;
        this.values = values;
        this.macro = macro;
    }

    update({name, version, lib=[], cp=[], main=null, values={}, macro=[]}) {
        return new Config({
            name: name || this.name,
            version: version || this.version,
            //lib: this.lib.concat(lib),  //ToDo: check if object
            lib: this.lib,
            cp: this.cp.concat(cp),
            main: main || this.main,
            values: {...this.values, ...values},
            macro: this.macro.concat(macro),
        })
    }
}

/**
 *
 */
class Builder {

    constructor(platform, config) {
        this.platform = platform;
        this.config = config;
        this.haxe = new Haxe();
        this.target = 'target';
    }

    prepare() {
        return this.haxe.prepare();
    }

    macro(debug) {
        let macro = [];
        if (debug) {
            macro = macro.concat(debug.macro());
        }
        return macro.concat(this.config.macro);
    }

    call(debug) {
        throw 'Not Implemented';
    }

    static register(platform, builder) {
        Builder.factory[platform] = builder;
    }

    static new(platform, config) {
        return new Builder.factory[platform](platform, config);
    }
}

Builder.factory = {};

/**
 *
 */
class OpenFLBuilder extends Builder {

    call(debug) {
        return gulp.src('.')
            .pipe(this.haxe.openfl({
                command: 'build',
                platform: this.platform,
                version: this.config.version,
                lib: this.config.lib,
                cp: this.config.cp,
                main: this.config.main,
                debug: debug,
                values: this.config.values,
                macro: this.macro(debug),
                outputFile: this.config.name,
            }))
            .pipe(gulp.dest(`${this.target}/${this.platform}`));
    }
}

Builder.register(Platform.FLASH, OpenFLBuilder);
Builder.register(Platform.HTML5, OpenFLBuilder);
Builder.register(Platform.LINUX, OpenFLBuilder);

/**
 *
 */
class HaxeBuilder extends Builder {

    call(debug) {
        return gulp.src('.')
            .pipe(new Haxe().build({
                platform: this.platform,
                version: this.config.version,
                lib: this.config.lib,
                cp: this.config.cp,
                main: this.config.main,
                debug: debug,
                values: this.config.values,
                macro: this.macro(debug),
                outputFile: this.config.name + '.n',  // ToDo: for neko only
            }))
            .pipe(gulp.dest(`${this.target}/${this.platform}`));
    }
}

Builder.register(Platform.NEKO, HaxeBuilder);

/**
 *
 */
class Runner {

    constructor(platform, name) {
        this.platform = platform;
        this.name = name;
        this.target = 'target';
    }

    prepare() {
        return Promise.resolve();
    }

    call(debug) {
        throw 'Not Implemented';
    }

    static register(platform, builder) {
        Runner.factory[platform] = builder;
    }

    static new(platform, name) {
        return new Runner.factory[platform](platform, name);
    }
}

Runner.factory = {};

/**
 *
 */
class FlashRunner extends Runner {

    constructor(platform, name) {
        super(platform, name);
        this.player = new FlashPlayer();
    }

    prepare() {
        return this.player.prepare();
    }

    call(debug) {
        return gulp.src(`${this.target}/${this.platform}/${this.name}.swf`)
            .pipe(this.player.run(true))
            .pipe(debug.run());
    }
}

Runner.register(Platform.FLASH, FlashRunner);

/**
 *
 */
class Html5Runner extends Runner {

    call(debug) {
        return gulp.src(`${this.target}/${this.platform}`)
            .pipe(webserver({
                host: 'localhost', port: 3000,
                open: true,
                fallback: 'index.html'
            }));
    }
}

Runner.register(Platform.HTML5, Html5Runner);

/**
 *
 */
class LinuxRunner extends Runner {

    call(debug) {
        return gulp.src(`${this.target}/${this.platform}/${this.name}`)
            .pipe(run(`./${this.name}`, {cwd: `target/${this.platform}`, verbosity: 1}))
            .pipe(tail(Debug.log));
    }
}

Runner.register(Platform.LINUX, LinuxRunner);

/**
 *
 */
class NekoRunner extends Runner {

    call(debug) {
        return gulp.src(`${this.target}/${this.platform}/${this.name}.n`)
            .pipe(new Neko().run())
            .pipe(debug.run());
    }
}

Runner.register(Platform.NEKO, NekoRunner);

/**
 *
 */
class Project {

    constructor(config, platforms=[]) {
        this.config = config;
        this.platforms = platforms;
    }

    build(platform) {
        const builder = Builder.new(platform, this.config);
        return gulp.series(
            () => builder.prepare(),
            () => builder.call()
        );
    }

    run(platform) {
        const builder = Builder.new(platform, this.config);
        const runner = Runner.new(platform, this.config.name);
        const debug = new Debug();
        return gulp.series(
            () => builder.prepare(),
            () => builder.call(debug),
            () => runner.prepare(),
            () => runner.call(debug)
        );
    }

    bind(module) {
        for (const platform of this.platforms) {
            module.exports[`${this.config.name}:${platform}:build`] = this.build(platform);
            module.exports[`${this.config.name}:${platform}:run`] = this.run(platform);
        }
        return this;
    }
}

Project.Platform = Platform;
Project.Config = Config;
Project.Builder = Builder;
Project.Runner = Runner;


module.exports = Project;