dasantonym/wdt

/* global require */
(function () {
    'use strict';
    var gulp = require('gulp'),
        header = require('gulp-header'),
        concat = require('gulp-concat'),
        uglify = require('gulp-uglify'),
        rename = require('gulp-rename'),
        jade = require('gulp-jade'),
        less = require('gulp-less'),
        minify = require('gulp-minify-css'),
        watch = require('gulp-watch'),
        pkg = require('./package.json');

    var banner = ['/**',
        ' * <%= pkg.name %> - <%= pkg.description %>',
        ' * @version v<%= pkg.version %>',
        ' * @link <%= pkg.homepage %>',
        ' * @license <%= pkg.license %>',
        ' */',
        ''].join('\n');

    //
    //
    // JS building

    gulp.task('js-deps', function () {
        return gulp.src([
            'bower_components/angular/angular.min.js',
            'bower_components/angular-route/angular-route.min.js'
        ])
            .pipe(concat('wdt-deps.min.js'))
            .pipe(header(banner, {pkg: pkg}))
            .pipe(gulp.dest('./dist/approot/js/'));
    });

    function jsPipe(src, destPath) {
        return src.pipe(concat('wdt-app.js'))
            .pipe(header(banner, {pkg: pkg}))
            .pipe(gulp.dest(destPath))
            .pipe(rename({
                extname: ".min.js"
            }))
            .pipe(uglify())
            .pipe(header(banner, {pkg: pkg}))
            .pipe(gulp.dest(destPath));
    }

    gulp.task('js', function () {
        return jsPipe(gulp.src(['./src/js/**/*.js']), './dist/approot/js/');
    });


    //
    //
    // CSS building

    function cssPipe(src, destPath) {
        return src.pipe(less())
            .pipe(minify())
            .pipe(header(banner, {pkg: pkg}))
            .pipe(rename({
                basename: 'wdt-app.min'
            }))
            .pipe(gulp.dest(destPath));
    }

    gulp.task('css', function () {
        return cssPipe(gulp.src('./src/less/app.less'), './dist/approot/css/');
    });


    //
    //
    // HTML building

    function htmlPipe(src, destPath) {
        return src.pipe(jade())
            .pipe(gulp.dest(destPath));
    }

    gulp.task('html', function () {
        return htmlPipe(gulp.src(['./src/jade/**/*.jade']), './dist/approot/');

    });


    //
    //
    // NW app

    gulp.task('build-webkit-app', function (cb) {
        var arch = 'osx64';
        if (process.env.WDT_TARGET_ARCH) {
            arch = process.env.WDT_TARGET_ARCH;
        } else {
            console.log('You did not specifiy a target architecture (e.g. win64, osx64 or linux64) through env var WDT_TARGET_ARCH.');
        }
        console.log('Building for target architecture: ' + arch);
        var NwBuilder = require('node-webkit-builder');
        var nw = new NwBuilder({
            files: './dist/**/**',
            platforms: [arch],
            buildDir: './release/',
            version: '0.12.1',
            appVersion: pkg.version,
            macPlist: {
                'NSHumanReadableCopyright': "2015 BADco. / Turing / Koch"
            }
        });
        nw.on('log', console.log);
        nw.build(function (err) {
            cb(err);
        });
    });


    //
    //
    // Watch tasks

    gulp.task('watch', function () {
        watch(['src/js/**/*.js'], function () {
            gulp.start('js');
        });
        watch('src/less/**/*.less', function () {
            gulp.start('css');
        });
        watch(['src/jade/**/*.jade'], function () {
            gulp.start('html');
        });
    });


    //
    //
    // combined tasks

    gulp.task('default', [
        'js-deps',
        'js',
        'css',
        'html'
    ]);
})();