var gulp=require('gulp'),

    babel = require('gulp-babel'),

    gulpSequence = require('gulp-sequence'),

    htmlmin = require('gulp-htmlmin'),

    sftp= require('gulp-sftp'),

    concat=require('gulp-concat'),//文件合并

    uglify=require('gulp-uglify'),//js压缩

    minifyCss=require('gulp-minify-css'),//css压缩

    rev=require('gulp-rev'),//对文件名加MD5后缀

    clean=require('gulp-clean'),//清理

    revCollector=require('gulp-rev-collector');//路径替换

var myConfig = require('./my-config.js');

gulp.task('mini-rev',function(){

  return  gulp.src(['./src/**/*.min.js','./src/**/*.min.css'])

       .pipe(rev())

       .pipe(gulp.dest('./dist/gulp_view'))

       .pipe(rev.manifest())

       .pipe(gulp.dest('./dist/gulp_rev/view-min'));

});

//css处理任务

gulp.task('mini-css-rev',function(){

   return gulp.src(['./src/**/*.css','!./src/**/*.min.css'])

       .pipe(minifyCss())

       .pipe(rev())

       .pipe(gulp.dest('./dist/gulp_view'))

       .pipe(rev.manifest())

       .pipe(gulp.dest('./dist/gulp_rev/view-css'));

});

//js处理任务

gulp.task('mini-js-rev',function(){

    return gulp.src(['./src/**/*.js','!./src/**/*.min.js'])

        .pipe(myConfig())//核心配置 替换环境变量

        .pipe(babel({ "presets": ["env"]} ))

        .pipe(uglify({ mangle: false}))//mangle: true,//类型：Boolean 默认：true 是否修改变量名

        .pipe(rev())

        .pipe(gulp.dest('./dist/gulp_view/'))

        .pipe(rev.manifest())

        .pipe(gulp.dest('./dist/gulp_rev/view-js'));

});

//路径替换任务

gulp.task('rev-c',function(){

    var options = {

        removeComments: true,//清除HTML注释

        collapseWhitespace: true,//压缩HTML

        removeEmptyAttributes: true,//删除所有空格作属性值 <input id="" /> ==> <input />

        removeScriptTypeAttributes: true,//删除<script>的type="text/javascript"

        removeStyleLinkTypeAttributes: true,//删除<style>和<link>的type="text/css"

        minifyJS: true,//压缩页面JS

        minifyCSS: true//压缩页面CSS

    };

   return gulp.src(['./dist/gulp_rev/**/*json','./src/**/*.html'])

        .pipe( revCollector() )

        .pipe(htmlmin(options))

        .pipe(gulp.dest('./dist/gulp_view'));

});

//清理文件

gulp.task('clean', function() {

    return gulp.src(['./dist/gulp_view','./dist/gulp_rev'], {read: false}) .pipe(clean());

});

gulp.task('cp', function() {

    return gulp.src(['./src/**','!**/*.html','!**/*.htm','!**/*.css','!**/*.js'])

        .pipe(gulp.dest('./dist/gulp_view'));

});

gulp.task('test', function() {

    console.log('开始替换 配置');

    console.log('npm_config_argv==',process.env.npm_config_argv);

    console.log('npm_lifecycle_event==',process.env.npm_lifecycle_event);

    console.log('npm_lifecycle_script==',process.env.npm_lifecycle_script);

});

gulp.task('sftp_dev', function () {

    return gulp.src('./dist/gulp_view/**')

        .pipe(sftp({

            host: '192.168.10.132',

            user: 'root',

            port: '22',

            pass:'2016@pflm',

            remotePath: '/home/data/rights/client'

        }));

});

gulp.task('sftp_test', function () {

    return gulp.src('./dist/gulp_view/**')

        .pipe(sftp({

            host: '192.168.10.133',

            user: 'root',

            port: '22',

            pass:'2016@pflm',

            remotePath: '/home/data/rights/client'

        }));

});

gulp.task('default',gulpSequence('clean',['cp','mini-rev', 'mini-css-rev','mini-js-rev'],'rev-c'));

gulp.task('dev',gulpSequence('clean',['cp','mini-rev', 'mini-css-rev','mini-js-rev'],'rev-c','sftp_dev'));

gulp.task('test',gulpSequence('clean',['cp','mini-rev', 'mini-css-rev','mini-js-rev'],'rev-c','sftp_test'));

'use strict';

let through = require('through2');

module.exports = function(){

  return  through.obj(function(file, encoding, callback) {

        if(file.path.indexOf('common.js')>-1){

            var scripts=process.env.npm_lifecycle_event;

            console.log('追加变量 文件路径=',file.path);

            console.log('package.json scripts ==',scripts);

            var bool=false,text='';

            switch(scripts){

                case '本机':        break;

                case 'ftp开发环境':text=';imgPath = "http://192.168.10.132";_path="http://192.168.10.132/api"';bool=true;break;

                case 'ftp133测试环境':text=';imgPath="http://aa-test.aaa.cn";_path="http://aa-test.aaa.cn/api"';bool=true;break;

                default:     break;

            }

            if(bool){//追加内容

                if (file.isNull()||file.isStream()) {

                  this.emit('error', new PluginError(PLUGIN_NAME, 'Streams are not supported!'));

                  return callback();

                }

                let content = file.contents.toString();

                content+=text;

                file.contents = new Buffer(content);

            }

            console.log('追加变量 bool='+bool+',text='+text);

        }

        this.push(file);// 确保文件进入下一个 gulp 插件

        callback();

    });

};