'use strict';

var gulp = require('gulp');
var path = require('path');
var config = require('./config');
var _ = require('lodash');
var wiredep = require('wiredep').stream;
var $ = require('gulp-load-plugins')({
    pattern: ['gulp-*', 'main-bower-files', 'uglify-save-license', 'del', 'imagemin-pngquant']
});
var sass = require('gulp-sass');
gulp.task('clean:dist', function() {
    $.del([path.join(config.paths.dist, '/')]);
});


/**
 * [生成Html模版文件]
 */

gulp.task('partials', function() {
    return gulp.src([
            path.join(config.paths.src, '/app/**/*.html')
        ])
        .pipe($.minifyHtml({
            empty: true,
            spare: true,
            quotes: true
        }))
        .pipe($.angularTemplatecache('templateCacheHtml.js', {
            module: config.modules.templateModuleName,
            root: 'app'
        }))
        .pipe(gulp.dest(config.paths.tmp + '/partials/'));
});


/**
 * [Html,Js,Css压缩合并]
 */
gulp.task('html', ['plug:timestamp', 'inject', 'partials'], function() {
    var partialsInjectFile = gulp.src(path.join(config.paths.tmp, '/partials/templateCacheHtml.js'), {
        read: false
    });
    var partialsInjectOptions = {
        starttag: '<!-- inject:partials -->',
        ignorePath: path.join(config.paths.tmp, '/partials'),
        addRootSlash: false
    };

    var htmlFilter = $.filter('*.html', {
        restore: true
    });
    var jsFilter = $.filter('**/*.js', {
        restore: true
    });
    var cssFilter = $.filter('**/*.css', {
        restore: true
    });

    return gulp.src(path.join(config.paths.tmp, '/serve/*.html'))
        //error 
        .pipe($.plumber(config.errorHandler()))
        //inject template
        .pipe($.inject(partialsInjectFile, partialsInjectOptions))

    //js
    .pipe($.useref()) //合并和压缩
        .pipe(jsFilter)
        //修复HTML图片地址
        .pipe($.replace('app/assets/', 'assets/'))
        .pipe($.stripDebug())
        .pipe($.uglify())
        .pipe(jsFilter.restore)
        //css 
        .pipe(cssFilter)
        //修复HTML图片地址
        .pipe($.replace('app/assets/', 'assets/'))
        .pipe($.replace('(assets/', '(../assets/'))
        .pipe($.autoprefixer({
            browsers: ['last 20 versions'],
            cascade: false
        }))
        .pipe($.csso())
        .pipe(cssFilter.restore)
        //md5后缀
        .pipe($.if('*.css', $.rev()))
        .pipe($.if('*.js', $.rev()))
        //替换md5后缀的文件名
        .pipe($.revReplace())
        //html处理
        .pipe(htmlFilter)
        // .pipe($.replace('<base href="/">', '<base href="/eolinker/">'))
        .pipe($.minifyHtml({
            empty: true,
            spare: true,
            quotes: true,
            conditionals: true
        }))
        .pipe(htmlFilter.restore)
        .pipe(gulp.dest(path.join(config.paths.dist, '/')))
        .pipe($.size({
            title: path.join(config.paths.dist, '/'),
            showFiles: true
        }));

});



/**
 * [图片压缩]
 */
gulp.task('images', function() {
    return gulp.src([
            path.join(config.paths.src, '/assets/images/**/*'),
            path.join('!' + config.paths.src, '/assets/images/sprite/**/*')
        ])
        .pipe($.imagemin({
            progressive: true,
            svgoPlugins: [{
                removeViewBox: false
            }],
            use: [$.imageminPngquant()]
        }))
        .pipe(gulp.dest(path.join(config.paths.dist, '/assets/images')));
});

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

    return gulp.src(config.vendor.base.source, {
            base: 'bower_components'
        })
        .pipe($.filter('**/*.{eot,svg,ttf,woff,woff2}'))
        .pipe($.flatten())
        .pipe(gulp.dest(path.join(config.paths.dist, '/font/')));
});
/**
 * [复制文件] 前端依赖库以及静态文件
 */
gulp.task('plug:timestamp', function() {
    return gulp.src([
            path.join(config.paths.src, '/app/constant/plug.constant.js')
        ])
        .pipe($.replace(/.js\?timestamp=.*?\'/g, '.js?timestamp='+(new Date()).getTime()+'\''))
        .pipe($.replace(/.css\?timestamp=.*?\'/g, '.css?timestamp='+(new Date()).getTime()+'\''))
        .pipe(gulp.dest(path.join(config.paths.src, '/app/constant')));
});
gulp.task('other:vendor', function() {
    return gulp.src([
            path.join(config.paths.src, '/vendor/**/*')
        ])
        .pipe($.filter(function(file) {
            return file.stat.isFile();
        }))
        .pipe(gulp.dest(path.join(config.paths.dist, '/vendor')));
});
gulp.task('other:plug', ['other:plug:css'], function() {
    return gulp.src([
            path.join(config.paths.src, '/plug/**/*.js'),
        ])
        .pipe($.filter(function(file) {
            return file.stat.isFile();
        }))
        .pipe($.stripDebug())
        .pipe($.uglify())
        .pipe(gulp.dest(path.join(config.paths.dist, '/plug')));
});
gulp.task('other:plug:css', function() {
    return gulp.src([
            path.join(config.paths.src, '/plug/**/*'),
            path.join('!' + config.paths.src, '/plug/**/*.scss'),
            path.join('!' + config.paths.src, '/plug/**/*.js')
        ])
        .pipe(gulp.dest(path.join(config.paths.dist, '/plug')));
});
gulp.task('plug:compass', function() {
    return gulp.src(path.join(config.paths.src, '/plug/**/*.scss'))
        .pipe(sass().on("error", sass.logError))
        .pipe(gulp.dest(path.join(config.paths.src, '/plug')));
});
gulp.task('other:libs', function() {
    return gulp.src([
            path.join(config.paths.src, '/libs/**/*')
        ])
        .pipe($.filter(function(file) {
            return file.stat.isFile();
        }))
        .pipe(gulp.dest(path.join(config.paths.dist, '/libs')));
});
gulp.task('other:assets', function() {
    return gulp.src([
            path.join(config.paths.src, '/app/assets/**/*')
        ])
        .pipe($.filter(function(file) {
            return file.stat.isFile();
        }))
        .pipe(gulp.dest(path.join(config.paths.dist, '/assets')));
});


gulp.task('build', $.sequence('prod-config', ['clean:dist', 'html'], ['images', 'fonts'], 'other:vendor', 'other:plug', 'other:libs', 'other:assets'));
gulp.task('build:e2e', $.sequence('test-config', ['clean:dist', 'html'], ['images', 'fonts'], 'other:vendor', 'other:assets'));