module.exports = function (grunt) {

    var uglifyAssetcfg = {};
    uglifyAssetcfg[grunt.option('to')] = grunt.option('from');
    var cssMinAssetcfg = {};
    cssMinAssetcfg[grunt.option('to')] = [grunt.option('from')];
    
    grunt.log.write(grunt.option('from'));
    
    grunt.initConfig({
        pkg: grunt.file.readJSON('package.json'),
        concat: {
            options: {
                separator: ';',
            },
            dist: {
                src: ['js/humhub.core.js', 'js/humhub.util.js', 'js/humhub.additions.js',
                    'js/humhub.client.js', 'js/humhub.ui.js', 'js/humhub.ui.modal.js', 'js/humhub.actions.js',
                    'js/humhub.content.js', 'js/humhub.stream.js'],
                dest: 'js/dist/humhub.all.js'
            }
        },
        watch: {
            js: {
                files: ['js/*.js'],
                tasks: ['build']
            }
        },
        clean: ["assets/*"],
        uglify: {
            build: {
                files: {
                    'js/dist/humhub.all.min.js': ['js/dist/humhub.all.js']
                }
            },
            assets: {
                options: {
                    preserveComments: /^!|@preserve|@license|@cc_on/i,
                    //preserveComments: 'all',
                   // ASCIIOnly: true,
                    /*beautify: {
                        "ascii_only": true
                    },*/
                },
                files: uglifyAssetcfg
            }
        },
        cssmin: {
            target: {
                files: cssMinAssetcfg
            }
        },
        less: {
            dev: {
                files: {
                    'themes/HumHub/css/less/theme.css': 'themes/HumHub/css/less/theme.less'
                }
            }
        }
    });
    grunt.loadNpmTasks('grunt-contrib-less');
    grunt.loadNpmTasks('grunt-contrib-concat');
    grunt.loadNpmTasks('grunt-contrib-uglify');
    grunt.loadNpmTasks('grunt-contrib-cssmin');
    grunt.loadNpmTasks('grunt-contrib-watch');
    grunt.loadNpmTasks('grunt-contrib-clean');
    grunt.registerTask('default', ['watch']);
    grunt.registerTask('build', ['concat', 'uglify', 'clean']);
        
};