module.exports = function (grunt) {
    // Project configuration.

    grunt.initConfig({
        pkg: grunt.file.readJSON('package.json'),
        uglify: {
            options: {
                banner: '/*! <%= pkg.name %> javascript <%= grunt.template.today("yyyy-mm-dd") %> */\n',
                mangle:false
            },
            build: {
                src: 'build/dist/js/<%= pkg.name %>.js',
                dest: 'build/dist/js/<%= pkg.name %>.min.js'
            },
            vendor: {
                src: [
                    './vendor/bower/jquery/dist/jquery.js',
                    './vendor/bower/uikit/dist/js/uikit.js',
                    './vendor/bower/uikit/dist/js/uikit-icons.js'
                ],
                dest: 'build/dist/js/vendor.min.js'
            }
        },
        less: {
            production: {
                options: {
                    compress: false,
                    syncImport: true,
                    plugins: [
                        new (require('less-plugin-autoprefix'))({browsers: ["last 2 versions"]})
                    ],
                    paths: [
                        'vendor/bower/uikit/src/less',
                        'vendor/bower/uikit/src/less/theme',
                        'vendor/bower/uikit/src/less/components'
                    ]
                },
                files: {
                    'build/dist/css/<%= pkg.name %>.css': [
                        './build/less/doughnut.less',
                    ]
                }
            }
        },
        cssmin: {
            production: {
                files: [{
                    expand: true,
                    cwd: 'build/dist/css',
                    src: ['*.css', '!*.min.css'],
                    dest: 'build/dist/css',
                    ext: '.min.css'
                }]
            }
        },
        jshint: {
            dev: ['Gruntfile.js', 'build/js/doughnut.js'],
            options: {
                // options here to override JSHint defaults
                reporter: require('jshint-stylish'),
                globals: {
                    jQuery: true,
                    console: true,
                    module: true,
                    document: true
                }
            }
        },
        concat: {
            dist: {
                src: [
                    'build/js/doughnut.js'
                ],
                dest: 'build/dist/js/<%= pkg.name %>.js'
            }
        },
        copy: {
            main: {
                files: [
                    {
                        expand: true,
                        cwd: 'build/dist/js',
                        src: ['*.min.js'],
                        dest: 'web/js',
                        filter: 'isFile'
                    },
                    {
                        expand: true,
                        cwd: 'build/dist/css',
                        src: ['*.min.css'],
                        dest: 'web/css',
                        filter: 'isFile'
                    },
                    {
                        expand: true,
                        cwd: './vendor/bower/uikit/dist/images',
                        src: ['**'],
                        dest: 'web/images'
                    }
                ]
            }
        },
        watch: {
            configFiles: {
                files: ['Gruntfile.js', 'config/*.js'],
                options: {
                    reload: true
                }
            },
            less: {
                files: 'build/less/*.less',
                tasks: ['less', 'cssmin', 'copy']
            },
            js: {
                files: 'build/js/doughnut.js',
                tasks: ['concat:dist', 'jshint', 'uglify:build', 'copy']
            }
        },
        clean: [
            'build/dist',
            'web/js/*.js',
            'web/css/*.css',
            'web/images/*.svg'
        ]
    });

    // Load the plugin that provides the "uglify" task.
    grunt.loadNpmTasks('grunt-contrib-uglify');
    grunt.loadNpmTasks('grunt-contrib-jshint');
    grunt.loadNpmTasks('grunt-contrib-less');
    grunt.loadNpmTasks('grunt-contrib-concat');
    grunt.loadNpmTasks('grunt-contrib-copy');
    grunt.loadNpmTasks('grunt-contrib-clean');
    grunt.loadNpmTasks('grunt-contrib-watch');
    grunt.loadNpmTasks('grunt-contrib-cssmin');
    // Default task(s).
    grunt.registerTask('build', ['clean', 'concat', 'jshint', 'uglify', 'less', 'cssmin']);
    grunt.registerTask('install', ['copy']);
    grunt.registerTask('default', ['build', 'copy']);


};