/* Variables */
var gulp 				 = require('gulp'),
    jshint 				 = require('gulp-jshint'),
    jsmin                = require('gulp-jsmin'),
    uglify 				 = require('gulp-uglify'),
    rename 				 = require('gulp-rename'),
    concat 				 = require('gulp-concat'),
    notify 				 = require('gulp-notify'),
    imagemin             = require('gulp-imagemin'),
    del                  = require('del'),
    connect              = require('gulp-connect'),
    uglifycss            = require('gulp-uglifycss'),
    csslint              = require('gulp-csslint'),
    zip                  = require("gulp-zip"),
    concatCss            = require('gulp-concat-css'),
    autoprefixer         = require('gulp-autoprefixer'),
    gutil                = require('gulp-util'),
    gulpif               = require('gulp-if')
    // livereload 		     = require('gulp-livereload'),
    // jade        	     = require('gulp-jade'),
    // less 				 = require('gulp-less'),
    // sass                 = require('gulp-sass')
    // historyApiFallback   = require('connect-history-api-fallback')
    ;

var shouldMinify = true; showReports = false;

var paths = {
    dev: [
        'wp-content/themes/entelperu/dev/css/*.css',
        'wp-content/themes/entelperu/dev/js/*.js',
        'wp-content/themes/entelperu/dev/images/**/*.*'
    ],
    prod: [
        'wp-content/themes/entelperu/css',
        'wp-content/themes/entelperu/js',
        'wp-content/themes/entelperu/images'
    ],
    cleaned: [
        'wp-content/themes/entelperu/css/*.*',
        'wp-content/themes/entelperu/js/*.*',
        'wp-content/themes/entelperu/images/**/*.*'
    ],
    backups: [
        'wp-content/themes/entelperu/css/*.*',
        'wp-content/themes/entelperu/js/*.*',
        'wp-content/themes/entelperu/images/**/*.*'
    ]
};

var customReporter = function(file) {
    gutil.log(gutil.colors.cyan(file.csslint.errorCount)+' errors in '+gutil.colors.magenta(file.path));

    file.csslint.results.forEach(function(result) {
        gutil.log(result.error.message+' on line '+result.error.line);
    });
};

gulp.task('buildImg', ['buildCss'], function (cb) {
    return gulp.start("img");
});

gulp.task('img', function (cb) {
    return gulp
        .src([paths.dev[2]])
        .pipe(
            gulpif(shouldMinify, imagemin())
        )
        .pipe(gulp.dest(paths.prod[2]));
        // .pipe(notify({ message: 'Images task complete' }))
    cb(null)
});

// gulp.task('buildSass', function (cb) {
    // return gulp
    //     .src([paths.dev[0]])
    //     .pipe(sass())
    //     .pipe(gulp.dest('../wp-content/themes/entelperu/dist/css'))
    // cb(null)
// });

gulp.task('buildCss', ['clean'], function (cb) {
    return gulp.start("css");
});

gulp.task('css', function (cb) {
    return gulp.src(paths.dev[0])
        .pipe(
            autoprefixer(
                'last 2 version',
                'safari 5',
                'ie 8',
                'ie 9',
                'opera 12.1',
                'ios 6',
                'android 4'
            )
        )
        .pipe(
            gulpif(shouldMinify,
                uglifycss({
                    'max-line-len': 20
                })
            )
        )
        .pipe(csslint())
        .pipe(
            gulpif(showReports, csslint.reporter(customReporter))
        )
        .pipe(rename({suffix: '.min'}))
        .pipe(gulp.dest(paths.prod[0]));
        // .pipe(notify({ message: 'Images task complete' }));
});

gulp.task('buildJs', ['buildImg'], function (cb) {
    return gulp.start("js");
});

gulp.task('js', function (cb) {
    return gulp.src([paths.dev[1]])
        .pipe(
            gulpif(shouldMinify, uglify())
        ) /* Compresor del JS #1 */
        .pipe(jsmin()) /* Compresor del JS #2 */
        .pipe(
            gulpif(showReports, jshint())
        ) /* Reporte del JS */
        // .pipe(concat('app.js'))
        .pipe(rename({suffix: '.min'}))
        .pipe(gulp.dest(paths.prod[1]));
        // .pipe(notify({ message: 'Scripts task complete' }));
});

gulp.task('clean', ['backup'], function (cb) {
    return del(paths.cleaned, cb);
});

/* Init GulpServer PROD */
gulp.task('default', function() {
    shouldMinify = true;
    showReports = false;
    return gulp.start("init");
});

/* Init GulpServer DEV */
gulp.task('dev', function() {
    shouldMinify = false;
    showReports = true;
    return gulp.start("init");
});

/* Init Tasks */
gulp.task('init', function() {
    return gulp
        .start("buildJs");
});

/* Cambio de archivos */
gulp.task('watch', function() {
    gulp.watch(paths.dev[2], ['img']);
    gulp.watch(paths.dev[0], ['css']);
    gulp.watch(paths.dev[1], ['js']);
});

/* Compress Files CSS, JS and Images to .zip */
gulp.task('backup', function(){
    var date = new Date().toISOString().replace(/[^0-9]/g, '');

    return gulp.src(paths.backups, {base: "wp-content/themes/entelperu"})
        .pipe(zip("package-" + date + ".zip"))
        .pipe(gulp.dest("backups"))
        .pipe(notify({ message: 'Backup task complete' }));
});