/**
 layuiAdmin pro 构建
*/

var pkg = require('./package.json');
var inds = pkg.independents;

var gulp = require('gulp');
var uglify = require('gulp-uglify');
var minify = require('gulp-minify-css');
var concat = require('gulp-concat');
var rename = require('gulp-rename');
var replace = require('gulp-replace');
var header = require('gulp-header');
var del = require('del');
var gulpif = require('gulp-if');
var minimist = require('minimist');
var sass = require('gulp-sass');
var autoPreFixer = require('gulp-autoprefixer');
sass.compiler = require('node-sass');
var px2rem = require('gulp-px2rem');

//获取参数
var argv = require('minimist')(process.argv.slice(2), {
  default: {
    ver: 'all'
  }
})

  //注释
  , note = [
    '/** <%= pkg.name %>-v<%= pkg.version %> <%= pkg.license %> License By <%= pkg.homepage %> */\n <%= js %>'
    , { pkg: pkg, js: ';' }
  ]

  , destDir = './dist' //构建的目标目录
  , releaseDir = '../pack/layuiAdmin.pack/' + pkg.name + '-v' + pkg.version //发行版本目录

  //任务
  , task = {
    //压缩 JS
    minjs: function () {
      var src = [
        './src/**/*.js'
        , '!./src/config.js'
        , '!./src/lib/extend/echarts.js'
      ];

      return gulp.src(src).pipe(uglify())
        .pipe(header.apply(null, note))
        .pipe(gulp.dest(destDir));
    }

    //压缩 CSS
    , mincss: function () {
      var src = [
        './src/**/*.css'
      ]
        , noteNew = JSON.parse(JSON.stringify(note));


      noteNew[1].js = '';

      return gulp.src(src).pipe(minify({
        compatibility: 'ie7'
      })).pipe(header.apply(null, noteNew))
        .pipe(gulp.dest(destDir));
    }

    //复制文件夹
    , mv: function () {
      gulp.src('./src/config.js')
        .pipe(gulp.dest(destDir));

      gulp.src('./src/lib/extend/echarts.js')
        .pipe(gulp.dest(destDir + '/lib/extend'));

      gulp.src([
        './src/style/**/*',
        '!./src/style/css/**/*',
      ])
        .pipe(gulp.dest(destDir + '/style'));

      return gulp.src('./src/views/**/*')
        .pipe(gulp.dest(destDir + '/views'));
    }
  };


//清理
gulp.task('clear', function (cb) {
  return del(['./dist/*'], cb);
});
gulp.task('clearRelease', function (cb) {
  return del(['./json/*', releaseDir], cb);
});

gulp.task('minjs', task.minjs);
gulp.task('mincss', task.mincss);
gulp.task('mv', task.mv);

gulp.task('src', function () { //命令：gulp src
  return gulp.src('./dev-pro/**/*')
    .pipe(gulp.dest('./src'));
});

//构建核心源文件
gulp.task('default', ['clear', 'src'], function () { //命令：gulp
  for (var key in task) {
    task[key]();
  }
});

//发行 - layuiAdmin 官方使用
gulp.task('release', function () { //命令：gulp && gulp release

  //复制核心文件
  gulp.src('./dist/**/*')
    .pipe(gulp.dest(releaseDir + '/dist'));

  gulp.src('./src/**/*')
    .pipe(gulp.dest(releaseDir + '/src'));

  //复制 json
  gulp.src('./dev/json/**/*')
    .pipe(gulp.dest('./json'))
    .pipe(gulp.dest('./start/json'))
    .pipe(gulp.dest(releaseDir + '/start/json'));

  //复制并转义宿主页面
  gulp.src('./dev/index.html')
    .pipe(replace(/\<\!-- clear s --\>([\s\S]*?)\<\!-- clear e --\>/, ''))
    .pipe(replace('//local.res.layui.com/layui/src', 'layui'))
    .pipe(replace("base: '../dev-pro/'", "base: '../dist/'"))
    .pipe(replace('@@version@@', pkg.version))
    .pipe(gulp.dest('./start'))
    .pipe(gulp.dest(releaseDir + '/start'));

  //复制帮助文件
  gulp.src([
    './帮助/*'
    , '!./帮助/说明.txt'
  ]).pipe(gulp.dest(releaseDir + '/帮助'));

  gulp.src([
    './帮助/说明.txt'
  ]).pipe(gulp.dest(releaseDir));


  //复制 gulpfile
  gulp.src([
    'gulpfile.js'
    , 'package.json'
  ]).pipe(gulp.dest(releaseDir));

  //说明
  gulp.src('../pack/说明.txt')
    .pipe(gulp.dest('../pack/layuiAdmin.pack'));

  //复制 layui
  return gulp.src('../../../../res/layui/rc/**/*')
    .pipe(gulp.dest('./start/layui'))
    .pipe(gulp.dest(releaseDir + '/start/layui'))
});

// 编译sass zx
gulp.task('base', function () {
  gulp.src('src/style/css/scss/**/*.scss')
    .pipe(sass().on('error', sass.logError))
    .pipe(replace('../../../font', '../font'))
    .pipe(replace('../../../img', '../img'))
    .pipe(replace('../../img', '../img'))
    .pipe(autoPreFixer({
      overrideBrowserslist: [
        'last 2 versions', 'not ie <= 8', 'iOS >= 9', 'Android >= 4.0', 'since 2013'
      ],
      grid: true
    }))
    // .pipe(px2rem({
    //   replace: true,
    //   rootValue: 37.5
    // }))
    .pipe(concat('main.css'))
    .pipe(gulp.dest('src/style/css'));
});

gulp.task('w', function () {
  gulp.watch('src/style/css/scss/**/*.scss', ['base']);
});