var src = "src";
var build = "build";
module.exports = function(grunt) {
  grunt.initConfig({
    babel: {
      options: {
        experimental: true,
        compact: false,
        comments: true
      },
      scripts: {
        options: {},
        files: [{
          expand: true,
          cwd: src,
          dest: build,
          src: ["**/*.js"]
        }]
      }
    },
    concat: {
    },
    uglify: {
      minify: {
        options: {
          beautify: false,
          compress: {
            sequences: true,
            properties: true,
            dead_code: true,
            drop_debugger: true,
            conditionals: true,
            comparisons: true,
            evaluate: true,
            booleans: true,
            loops: true,
            unused: true,
            hoist_funs: true,
            if_return: true,
            join_vars: true,
            cascade: true,
            negate_iife: true
          },
          mangle: true
        },
        files: [{
          expand: true,
          cwd: build,
          dest: build,
          ext: ".min.js",
          extDot: "last",
          src: ["**/*.js", "!**/*.min.js"]
        }]
      },
      beautify: {
        options: {
          beautify: {
            beautify: true,
            width: 200,
            space_colon: false
          },
          compress: false,
          screw_ie8: true,
          mangle: false
        },
        files: [{
          expand: true,
          cwd: build,
          dest: build,
          src: ["**/*.js", "!**/*.min.js"]
        }]
      }
    },
    less: {
      compile: {
        options: {
          ieCompat: false
        },
        files: [{
          expand: true,
          cwd: src,
          dest: build,
          ext: ".css",
          extDot: "last",
          src: ["**/*.less", "!**/*.import.less"]
        }]
      }
    },
    cssmin: {
      minify: {
        files: [{
          expand: true,
          cwd: build,
          dest: build,
          ext: ".min.css",
          extDot: "last",
          src: ["**/*.css", "!**/*.min.css"]
        }]
      }
    },
    htmlmin: {
      minify: {
        options: {
          removeComments: true,
          useShortDoctype: true,
          customAttrAssign: [/\?=/g, /\$=/g],
          minifyJS: true,
          minifyCSS: true,
          collapseWhitespace: true
        },
        files: [{
          expand: true,
          cwd: build,
          dest: build,
          ext: ".min.html",
          extDot: "last",
          src: ["**/*.html", "!**/*.min.html"]
        }]
      }
    },
    vulcanize: {
      elements: {
        options: {
          inlineScripts: true,
          inlineCss: true
        },
        files: {
          "build/vulcanized.html": "build/elements.html"
        }
      }
    },
    copy: {
      appcache: {
        files: [{
          expand: true,
          cwd: src,
          dest: build,
          src: ["**/*.appcache"]
        }]
      },
      html: {
        files: [{
          expand: true,
          cwd: src,
          dest: build,
          src: ["**/*.html"]
        }]
      }
    },
    watch: {
      options: {
        atBegin: true
      },
      transpileScripts: {
        files: [src + "/**/*.js"],
        tasks: ["babel"]
      },
      /*concatAsync: {
                files: [src + "/../scripts/*.js"],
                tasks: ["concat:async"]
            },*/
      minifyScripts: {
        files: [build + "/**/*.js", "!" + build + "/**/*.min.js"],
        tasks: ["uglify:minify"]
      },
      beautifyScripts: {
        files: [build + "/**/*.js", "!" + build + "/**/*.min.js"],
        tasks: ["uglify:beautify"]
      },
      compileLESS: {
        files: [src + "/**/*.less", "!" + src + "/**/*.import.less"],
        tasks: ["less:compile"]
      },
      minifyCSS: {
        files: [build + "/**/*.css", "!" + build + "/**/*.min.css"],
        tasks: ["cssmin:minify"]
      },
      copyHTML: {
        files: [src + "/**/*.html"],
        tasks: ["copy"]
      },
      minifyHTML: {
        files: [build + "/**/*.html"],
        tasks: ["htmlmin:minify"]
      },
      /*vulcanizePolymer: {
        files: ["src/*"],
        tasks: ["vulcanize:elements"]
      },*/
      copyAppcache: {
        files: [src + "/**/*.appcache"],
        tasks: ["copy"]
      },
    }
  });
  grunt.loadNpmTasks("grunt-contrib-concat");
  grunt.loadNpmTasks("grunt-babel");
  grunt.loadNpmTasks("grunt-contrib-uglify");
  grunt.loadNpmTasks("grunt-contrib-less");
  grunt.loadNpmTasks("grunt-contrib-cssmin");
  grunt.loadNpmTasks("grunt-vulcanize");
  grunt.loadNpmTasks("grunt-contrib-htmlmin");
  grunt.loadNpmTasks('grunt-contrib-copy');
  grunt.loadNpmTasks("grunt-contrib-watch");
  grunt.registerTask("default", ["watch"]);
  grunt.registerTask("run", ["copy", "babel", "concat", "uglify", "less", "cssmin", /*"vulcanize",*/ "htmlmin"]);
};
/*
var package = {
    "dependencies": {
        "grunt": "",
        "grunt-cli": "",
        "grunt-contrib-copy": "",
        "grunt-contrib-cssmin": "",
        "grunt-contrib-htmlmin": "",
        "grunt-contrib-less": "",
        "grunt-contrib-uglify": "",
        "grunt-contrib-watch": "",
        "grunt-contrib-concat": "",
        "grunt-vulcanize": "",
        "grunt-babel": ""
    }
};
*/