// Assigning modules to local variables
var gulp = require('gulp');
var less = require('gulp-less');
var browserSync = require('browser-sync').create();
var header = require('gulp-header');
var cleanCSS = require('gulp-clean-css');
var rename = require("gulp-rename");
var pkg = require('./package.json');

// Set the banner content
var banner = ['/*!\n',
    ' * Start Bootstrap - <%= pkg.title %> v<%= pkg.version %> (<%= pkg.homepage %>)\n',
    ' * Copyright 2013-' + (new Date()).getFullYear(), ' <%= pkg.author %>\n',
    ' * Licensed under <%= pkg.license.type %> (<%= pkg.license.url %>)\n',
    ' */\n',
    ''
].join('');

// Default task
gulp.task('default', function() {
    // default tasks here
});

// Less task to compile the less files and add the banner
gulp.task('less', function() {
    return gulp.src('less/agency.less')
        .pipe(less())
        .pipe(header(banner, { pkg: pkg }))
        .pipe(gulp.dest('css'))
        .pipe(browserSync.reload({
            stream: true
        }))
});

// Minify CSS
gulp.task('minify-css', function() {
    return gulp.src('css/agency.css')
        .pipe(cleanCSS({ compatibility: 'ie8' }))
        .pipe(rename({suffix: '.min'}))
        .pipe(gulp.dest('css'))
        .pipe(browserSync.reload({
            stream: true
        }))
});

// Grab Bootstrap core files from node_modules
gulp.task('bootstrap', function() {
    return gulp.src(['node_modules/bootstrap/dist/**/*', '!**/npm.js', '!**/bootstrap-theme.*', '!**/*.map'])
        .pipe(gulp.dest(''))
})

// Grab jQuery core files from node_modules
gulp.task('jquery', function() {
    return gulp.src(['node_modules/jquery/dist/jquery.js', 'node_modules/jquery/dist/jquery.min.js'])
        .pipe(gulp.dest('js'))
})

// Grab Font Awesome core files from node_modules
gulp.task('fontawesome', function() {
    return gulp.src([
            'node_modules/font-awesome/**',
            '!node_modules/font-awesome/**/*.map',
            '!node_modules/font-awesome/.npmignore',
            '!node_modules/font-awesome/*.txt',
            '!node_modules/font-awesome/*.md',
            '!node_modules/font-awesome/*.json'
        ])
        .pipe(gulp.dest('font-awesome'))
})

// Updates all dependencies and puts them into their proper destinations
gulp.task('update', ['bootstrap', 'jquery', 'fontawesome']);

// Configure the browserSync task
gulp.task('browserSync', function() {
    browserSync.init({
        server: {
            baseDir: ''
        },
    })
})

// Watch Task that compiles LESS and watches for HTML or JS changes and reloads with browserSync
gulp.task('watch', ['browserSync', 'less', 'minify-css'], function() {
    gulp.watch('less/*.less', ['less']);
    gulp.watch('css/*.css', ['minify-css']);
    // Reloads the browser whenever HTML or JS files change
    gulp.watch('*.html', browserSync.reload);
    gulp.watch('js/**/*.js', browserSync.reload);
});