/*
 *  Gulp vars
 */
var gulp        = require('gulp'),
    clean       = require('gulp-clean'),
    concat      = require('gulp-concat'),
    notify      = require('gulp-notify'),
    compass     = require('gulp-compass')
    minifyCSS   = require('gulp-minify-css'),
    livereload  = require('gulp-livereload'),

/*
 *  Main paths
 */
    appPath     = 'app/',
    bowerPath   = 'bower_components/',
    publicPath  = 'public/',
    gulpFile    = 'gulpfile.js',

/*
 *  HTML
 */
    htmlViewsDest   = publicPath + 'html',
    indexFile       = [appPath + '/layout/index.html'],
    htmlViewsSrc    = ['!' + indexFile, appPath + '/**/*.html'],

/*
 *  SASS
 */
    sassSrc         = 'sass/**/*.scss',
    appSassFile     = 'sass/app.scss',
    cssFilesDest    = publicPath + 'css',

/*
 *  Media assets
 */
    imagesDest  = publicPath + 'img',
    fontsDest   = publicPath + 'fonts',

/*
 *  JavaScript
 */
    jsFilesDest     = publicPath + 'js',
    appJsFile       = 'app.js',
    jsFilesSrc      = [
        // bower components
        bowerPath + 'jquery/dist/jquery.min.js',
        bowerPath + 'semantic-ui/dist/semantic.min.js',
        bowerPath + 'angular/angular.js',
        bowerPath + 'angular-animate/angular-animate.js',
        bowerPath + 'angular-ui-router/release/angular-ui-router.js',
        bowerPath + 'satellizer/satellizer.js',
        bowerPath + 'ngDialog/js/ngDialog.js',

        // angular app
        appPath + 'app.module.js',
        appPath + 'app.config.js',
        appPath + 'page.controller.js',
        appPath + 'guest/guest.routes.js',
        appPath + 'informations/informations.routes.js',
        appPath + 'register/register.routes.js',
        appPath + 'register/register.controller.js',
        appPath + 'auth/auth.routes.js',
        appPath + 'auth/logoutRedirect.config.js',
        appPath + 'auth/register-form.directive.js',
        appPath + 'auth/login-form.directive.js',
        appPath + 'auth/auth.factory.js',
        appPath + 'auth/auth.controller.js',
        appPath + 'game/game.routes.js',
        appPath + 'game/dropdown.directive.js',
        appPath + 'game/game.controller.js',
        appPath + 'modal/modal.provider.js',
        appPath + 'layout/dynamicHeader.directive.js',
        appPath + 'layout/dynamicFooter.directive.js',
    ];

/*
 *  GulpTask - Delete previous HTML views from public dir
 */
gulp.task('clean-html-views', function () {
    return gulp.src(htmlViewsDest)
        .pipe(clean());
});

/*
 *  GulpTask - Copy new HTML views to public dir
 */
gulp.task('copy-html-views', ['clean-html-views'], function () {
    return gulp.src(htmlViewsSrc)
        .pipe(gulp.dest(htmlViewsDest))
        .pipe(livereload())
        .pipe(notify({message: 'html files copied', onLast: true}));
});

/*
 *  GulpTask - Overwrite index.html in public dir
 */
gulp.task('copy-index', function () {
    return gulp.src(indexFile)
        .pipe(gulp.dest(publicPath))
        .pipe(livereload())
        .pipe(notify('index.html copied'));
});

/*
 *  GulpTask - JavaScript
 */
gulp.task('scripts', function() {
    return gulp.src(jsFilesSrc)
        .pipe(concat(appJsFile))
        .pipe(gulp.dest(jsFilesDest))
        .pipe(livereload())
        .pipe(notify('scripts concatinated'));
});

/*
 *  GulpTask - SASS & Compass
 */
gulp.task('compass', function() {
    return gulp.src(appSassFile)
        .pipe(compass({
            css: cssFilesDest,
            font: fontsDest,
            sass: 'sass',
            image: imagesDest,
            require: ['font-awesome-sass'],
            import_path: ['bower_components/semantic-ui/dist']
        }))
        .pipe(minifyCSS())
        .pipe(gulp.dest(cssFilesDest))
        .pipe(livereload())
        .pipe(notify({message: 'sass compiled', onLast: true}));
});

/*
 *  Gulp - Watch for changes
 */
gulp.task('watch', function() {
    livereload.listen();
    gulp.watch(htmlViewsSrc, ['copy-html-views']);
    gulp.watch(indexFile, ['copy-index']);
    gulp.watch(jsFilesSrc, ['scripts']);
    gulp.watch(sassSrc, ['compass']);
    gulp.watch(gulpFile, ['scripts', 'compass']);
});

/*
 *  Gulp - default
 */
gulp.task('default', ['watch', 'copy-html-views', 'copy-index', 'scripts', 'compass']);