module.exports=function(grunt){
    require('time-grunt')(grunt);//Grunt处理任务进度条提示

    grunt.initConfig({
        //默认文件目录在这里
        paths:{
            assets:'./assets',//输出的最终文件assets里面
            scss:'./css/sass',//推荐使用Sass
            css:'./css', //若简单项目，可直接使用原生CSS，同样可以grunt watch:base进行监控
            js:'./js', //js文件相关目录
            img:'./img' //图片相关
        },
        buildType:'Build',
        pkg: grunt.file.readJSON('package.json'),
        archive_name: grunt.option('name') || '预言家',//此处可根据自己的需求修改

        //清理掉开发时才需要的文件
        clean: {
            pre: ['dist/', 'build/'],//删除掉先前的开发文件
            post: ['<%= archive_name %>*.zip'] //先删除先前生成的压缩包
        },

        uglify:{
            options:{
            compress: {
              drop_console: true
            },
                banner: '/*! <%= pkg.name %> <%= grunt.template.today("yyyy-mm-dd-h") %> */\n' //js文件打上时间戳
            },
            dist: {
                 files: {
                     '<%= paths.assets %>/js/min.v.js': '<%= paths.assets %>/js/debug.js'
                 }
            }
        },
        'closure-compiler':{
            base:{
              closurePath:'/usr/local/Cellar/closure-compiler/20140407/libexec', //在这里指定谷歌高级压缩路径
              js:[
                '<%= paths.assets %>/js/debug.js',
              ],
              jsOutputFile:'<%= paths.assets %>/js/min.main.js',//谷歌高级压缩输出的为此js
              noreport:true,
              maxBuffer: 500,
              options:{
                compilation_level: 'ADVANCED_OPTIMIZATIONS',
                warning_level:"DEFAULT"
                // language_in: 'ECMASCRIPT5_STRICT'
              }
            }
        },

        concat:{
            options:{
                // separator:'',
                // stripBanners: true
            },
            dist:{
                src:[
                //lib 基础库
                 "js/fastclick.js",
                 "js/zepto.js",
                 "js/client.js",
                 "js/public.js",
                 "js/util.js",
                 "js/12306.js",
                 "js/LunarCalendar.js",
                 "js/date.js",
                 "js/check_station.js",
                 "js/login.js",
                 "js/query.js",
                 "js/run_query.js",
                 "js/prdersubmit.js",
                 "js/no_complete.js",
                 "js/remind.js",
                 "js/myremind.js",
                 "js/init.js",
                ],
                dest:'<%= paths.assets %>/js/debug.js'//输出为压缩的合成js
            }

        },
        //压缩最终Build文件夹
        compress:{
            main:{
                options:{
                    archive:'<%= archive_name %>-<%= grunt.template.today("yyyy") %>年<%= grunt.template.today("mm") %>月<%= grunt.template.today("dd") %>日<%= grunt.template.today("h") %>时<%= grunt.template.today("TT") %>.zip'
                },
                expand:true,
                cwd:'build/',
                src:['**/*'],
                dest:''
            }
        },

        copy:{
            main:{
                files:[
                    {expand: true, src: ['assets/css/**'], dest: 'build/'},
                    {expand: true, src: ['assets/img/**'], dest: 'build/'},
                    {expand: true, src: ['assets/js/**'], dest: 'build/'},
                    {expand: true, src: ['*', '!.gitignore', '!.DS_Store','!Gruntfile.js','!package.json','!node_modules/**','!go.sh','!.ftppass','!<%= archive_name %>*.zip'], dest: 'build/'},
                ]
            },

            images:{
                        expand: true,
                        cwd:'img/',
                        src: ['**','!github.png'],
                        dest: 'assets/img/',
                        flatten:true,
                        filter:'isFile',
            },


            archive:{
                files:[
                        {expand: true, src: ['<%= archive_name %>.zip'], dest: 'dist/'}
                ]
            }
        },

        //Sass 预处理
        sass:{
            admin:{
                options:{
                    sourcemap:true,
                    banner: '/*! <%= pkg.name %> <%= grunt.template.today("yyyy-mm-dd") %> */\n'
                },
                files:{
                    '<%= paths.css %>/style.css':'<%= paths.scss %>/style.scss',
                }
            }
        },

        //压缩 css
        cssmin:{
            options:{
                  keepSpecialComments: 0,
                  banner: '/*! <%= pkg.name %> <%= grunt.template.today("yyyy-mm-dd-h") %> */' //js文件打上时间戳
              },
              compress:{
                    files:{
                     '<%= paths.assets %>/css/min.style.css': [
                     '<%= paths.css %>/style.css'
                 ]
                 }
              }
        },

        // 格式化和清理html文件
        htmlmin: {
            dist: {
                options: {
                removeComments: true,
                //collapseWhitespace: true //压缩html:根据情况开启与否
            },

            files: {
                'build/index.html': 'build/index.html',//清除html中的注释
                }
            }
        },


        //监听变化 默认grunt watch 监测所有开发文件变化
        watch:{
            options:{
                //开启 livereload
                livereload:true,
                //显示日志
                dateFormate:function(time){
                    grunt.log.writeln('编译完成,用时'+time+'ms ' + (new Date()).toString());
                    grunt.log.writeln('Wating for more changes...');
                }
            },
            //css
            sass:{
                files:'<%= paths.scss %>/**/*.scss',
                tasks:['sass:admin','cssmin']
            },
            css:{
                files:'<%= paths.css %>/**/*.css',
                tasks:['cssmin']
            },
            js:{
                 files:'<%= paths.js %>/**/*.js',
                 tasks:['uglify']
            },
            //若不使用Sass，可通过grunt watch:base 只监测style.css和js文件
            base:{
                files:['<%= paths.css %>/**/*.css','<%= paths.js %>/**/*.js','img/**'],
                tasks:['concat']
            }

        },

        //发布到FTP服务器 : 请注意密码安全，ftp的帐号密码保存在主目录 .ftppass 文件
        // 'ftp-deploy': {
        //   build: {
        //     auth: {
        //       host: '10.33.20.20',
        //       port: 22,
        //       authKey: 'key1'
        //     },
        //     src: 'build',
        //     dest: '/data/home/liuhaiwang/install/nginx/webview/tpl_script/prophet',
        //     exclusions: ['.DS_Store', '**.Thumbs.db','sftpCache.json']
        //   }
        // },

        // 'sftp-deploy': {
        //   build: {
        //     auth: {
        //       host: '10.33.20.20',
        //       port: 22,
        //       authKey: 'key1'
        //     },
        //     cache: 'sftpCache.json',
        //     src: 'build',
        //     dest: '/data/home/liuhaiwang/install/nginx/webview/tpl_script/prophet',
        //   exclusions: ['.DS_Store', '**.Thumbs.db'],
        //     serverSep: '/',
        //     concurrency: 4,
        //     progress: true
        //   }
        // }

    });

  //输出进度日志
  grunt.event.on('watch', function(action, filepath, target) {
    grunt.log.writeln(target + ': ' + '文件: '+filepath + ' 变动状态: ' + action);
  });

    grunt.loadNpmTasks('grunt-contrib-clean');
    grunt.loadNpmTasks('grunt-contrib-compress');
    grunt.loadNpmTasks('grunt-contrib-copy');
    grunt.loadNpmTasks('grunt-contrib-cssmin');
    grunt.loadNpmTasks('grunt-contrib-sass');
    grunt.loadNpmTasks('grunt-contrib-watch');
    grunt.loadNpmTasks('grunt-contrib-uglify');
    grunt.loadNpmTasks('grunt-contrib-htmlmin');
    grunt.loadNpmTasks('grunt-contrib-concat');
    grunt.loadNpmTasks('grunt-closure-compiler');
    grunt.loadNpmTasks('grunt-ftp-deploy');
    grunt.loadNpmTasks('grunt-sftp-deploy');
    grunt.registerTask('default', ['cssmin','uglify','htmlmin','copy:images']);
    grunt.registerTask('sass', ['sass:admin','cssmin']);
    //执行 grunt bundle --最终输出的文件 < name-生成日期.zip > 文件
    grunt.registerTask('bundle', ['clean:pre','copy:images', 'copy:main','cssmin','copy:archive', 'clean:post','htmlmin','compress',]);
    //执行 grunt publish 可以直接上传项目文件到指定服务器FTP目录
    grunt.registerTask('publish', ['ftp-deploy']);
    grunt.registerTask('ssh', ['sftp-deploy']);
    grunt.registerTask('gcc', ['closure-compiler']);
};