module.exports = function (grunt) {
    // Initializes the Grunt tasks with the following settings
    grunt.initConfig({

        pkg: grunt.file.readJSON('package.json'),

        version: '<%= pkg.version %>',
        dist_folder: 'dist/',
        source_folder: 'src/',
        frags_folder: 'frags/',

        // A list of files, which will be syntax-checked by JSHint
        jshint: {
            src: [
                'Gruntfile.js',
                '<%= source_folder %>*.js',
                '!<%= source_folder %>tablefilter.js'
            ],
            options: {
                jshintrc: '.jshintrc'
            }
        },

        watch: {
            files: [
                'src-es6/**/*.js',
                '<%= source_folder %>**/*.js',
                '<%= source_folder %>**/*.css',
                '<%= source_folder %>**/*.html'
            ],
            tasks: ['dev']
        },

        qunit: {
            files: ['test/**/*.html']
        },

        requirejs: {
            'compile-main': {
                options: {
                    // appDir: "<%= dist_folder %>",
                    baseUrl: '<%= source_folder %>',
                    paths: {
                        almond: '../libs/almond/almond',
                        sortabletable: 'extensions/sortabletable/sortabletable',
                        adapterSortabletable: 'extensions/sortabletable/adapterSortabletable'
                    },
                    // include: ['../libs/almond/almond', 'tablefilter'],
                    // exclude: [
                    //     'extensions/sortabletable/sortabletable',
                    //     'extensions/sortabletable/adapterSortabletable'
                    // ],
                    // name: 'tablefilter',
                    // out: '<%= dist_folder %>tablefilter.js',
                    dir: '<%= dist_folder %>',
                    wrap: {
                        startFile: "<%= frags_folder %>start.frag",
                        endFile: "<%= frags_folder %>end.frag"
                    },
                    // insertRequire: ['tablefilter'],
                    shim: {
                        'sortabletable': {
                            exports: 'SortableTable'
                        }
                    },
                    modules:[
                        {
                            name: 'extensions/sortabletable/adapterSortabletable',
                            include: [
                                'extensions/sortabletable/adapterSortabletable',
                                'extensions/sortabletable/sortabletable'
                            ],
                            wrap: {
                                start: "(function() {",
                                end: "}());"
                            }
                        },
                        {
                            name: 'tablefilter',
                            create: true,
                            include: [
                                'almond',
                                'tablefilter'
                            ],
                            exclude: ['require'],
                            excludeShallow: [
                                'adapterSortabletable'
                            ]
                        }
                    ],
                    removeCombined: true,
                    findNestedDependencies: false,
                    optimize: 'none'/*'uglify2',
                    preserveLicenseComments: false,
                    generateSourceMaps: true*/
                }
            }
            // ,
            // 'compile-extensions': {
            //     options:{
            //         baseUrl: '<%= source_folder %>extensions',
            //         dir: '<%= dist_folder %>/extensions',
            //         // paths: {
            //         //     sortabletable: 'sortabletable/sortabletable',
            //         //     adapterSortabletable: 'sortabletable/adapterSortabletable'
            //         // },
            //         wrap: {
            //             startFile: "<%= frags_folder %>start.sort.frag",
            //             endFile: "<%= frags_folder %>end.sort.frag"
            //         },
            //         modules:[
            //            {
            //                 name: 'sortabletable/adapterSortabletable',
            //                 include: [
            //                     'sortabletable/adapterSortabletable',
            //                     'sortabletable/sortabletable'
            //                 ]
            //             }
            //         ],
            //         removeCombined: true,
            //         findNestedDependencies: false,
            //         optimize: 'none'/*'uglify2',
            //         preserveLicenseComments: false,
            //         generateSourceMaps: true*/
            //     }
            // }
        },

        concat: {
            /*js: {
                files: [{
                    src: ['<%= source_folder %>tablefilter.js'],
                    dest: '<%= dist_folder %>tablefilter.js'
                }]
            },*/
            css: {
                files: [{
                    src: ['<%= source_folder %>filtergrid.css'],
                    dest: '<%= dist_folder %>filtergrid.css'
                }]
            }
        },

        // and minified (source and destination files)
        uglify: {

            options: {
                banner: '/*------------------------------------------------------------------------ \n' +
                        '\t- TableFilter v<%= version %> by Max Guglielmi \n' +
                        '\t- build date: <%= grunt.template.today() %> \n' +
                        '\t- http://tablefilter.free.fr \n' +
                        '\t- Copyright (c) 2014, Licensed under the MIT License \n' +
                        '------------------------------------------------------------------------*/ \n'
            },

            js: {
                files: [{
                    src: ['<%= dist_folder %>tablefilter.js'],
                    dest: '<%= dist_folder %>tablefilter.js'
                }]
            }
        },

        cssmin: {
            combine: {
                options: {
                    banner: '/*------------------------------------------------------------------------ \n' +
                            '\t- TableFilter stylesheet by Max Guglielmi \n' +
                            '\t- (build date: <%= grunt.template.today() %>) \n' +
                            '\t- Edit below for your projects\' needs  \n' +
                            '------------------------------------------------------------------------*/ \n'
                },
                files: {
                    '<%= concat.css.files[0].dest %>': ['<%= concat.css.files[0].dest %>']
                }
            }
        },

        copy: {
            tablefilter: {
                files: [
                    { src: 'libs/sortabletable.js', dest: '<%= source_folder %>extensions/sortabletable/sortabletable.js' },
                    { src: 'libs/requirejs/require.js', dest: '<%= dist_folder %>require.js' },
                    // { src: ['**'], cwd: '<%= source_folder %>TF_Modules/', dest: '<%= dist_folder %>TF_Modules/', expand: true },
                    { src: ['**'], cwd: '<%= source_folder %>TF_Themes/', dest: '<%= dist_folder %>TF_Themes/', expand: true }
                ]
            }
        },

        babel: {
            'build-main': {
                options: {
                    sourceMap: true,
                    modules: 'amd'
                },
                files: [{
                    expand: true,
                    cwd: 'src-es6',
                    src: ['*.js'],
                    dest: '<%= source_folder %>'
                },{
                    expand: true,
                    cwd: 'src-es6/modules',
                    src: ['*.js'],
                    dest: '<%= source_folder %>modules'
                }]
            },
            'build-extensions':{
                options: {
                    sourceMap: true,
                    modules: 'amd'
                },
                files: [{
                    expand: true,
                    cwd: 'src-es6/extensions',
                    src: ['**/*.js'],
                    dest: '<%= source_folder %>extensions'
                }]
            }
        }
    });

    // Load the plugins that provide the tasks we specified in package.json.
    grunt.loadNpmTasks('grunt-contrib-jshint');
    grunt.loadNpmTasks('grunt-contrib-concat');
    grunt.loadNpmTasks('grunt-contrib-uglify');
    grunt.loadNpmTasks('grunt-contrib-cssmin');
    grunt.loadNpmTasks('grunt-contrib-copy');
    grunt.loadNpmTasks('grunt-contrib-watch');
    grunt.loadNpmTasks('grunt-contrib-qunit');
    grunt.loadNpmTasks('grunt-contrib-requirejs');
    grunt.loadNpmTasks('grunt-babel');

    // This is the default task being executed if Grunt
    // is called without any further parameter.
    grunt.registerTask('default', ['jshint', 'toes5', 'requirejs', 'concat', 'uglify', 'cssmin', 'copy', 'qunit']);
    grunt.registerTask('build', ['jshint', 'toes5', 'requirejs', 'concat', /*'uglify',*/ 'cssmin', 'copy']);
    grunt.registerTask('dev', ['jshint', 'toes5', 'concat', 'cssmin', 'copy']);
    grunt.registerTask('build-requirejs', ['requirejs:compile-main', 'requirejs:compile-main']);
    grunt.registerTask('toes5', ['babel:build-main','babel:build-extensions']);
    grunt.registerTask('test', ['qunit']);
};