var path = require('path'); 
var fs = require('fs'); 
var yargs = require('yargs').argv; 
var gulp = require('gulp'); 
var less = require('gulp-less'); 
var header = require('gulp-header'); 
var tap = require('gulp-tap'); 
var nano = require('gulp-cssnano'); 
var postcss = require('gulp-postcss'); 
var autoprefixer = require('autoprefixer'); 
var rename = require('gulp-rename'); 
var sourcemaps = require('gulp-sourcemaps'); 
var browserSync = require('browser-sync'); 
var pkg = require('./package.json'); 
var option = { 
base: 'src'}
; 
var dist = __dirname + '/dist'; 
gulp.task('build:style', function (){ 
var banner = ['/*!', ' * WeUI v<%= pkg.version %> (<%= pkg.homepage %>)', ' * Copyright <%= new Date().getFullYear() %> Tencent, Inc.', ' * Licensed under the <%= pkg.license %> license', ' */', ''] .join('\n'); 
gulp.src('src/style/weui.less', option).pipe(_AN_Call_init('init', sourcemaps)).pipe(less().on('error', function (e){ 
console.error(e.message); 
this.emit('end'); 
} 
)).pipe(postcss([autoprefixer] )).pipe(header(banner, { 
pkg: pkg}
)).pipe(_AN_Call_write('write', sourcemaps)).pipe(gulp.dest(dist)).pipe(_AN_Call_reload('reload', browserSync, { 
stream: true }
)).pipe(nano()).pipe(rename(function (path){ 
path.basename += '.min'; 
} 
)).pipe(gulp.dest(dist)); 
} 
); 
gulp.task('build:example:assets', function (){ 
gulp.src('src/example/**/*.?(png|jpg|gif|js)', option).pipe(gulp.dest(dist)).pipe(_AN_Call_reload('reload', browserSync, { 
stream: true }
)); 
} 
); 
gulp.task('build:example:style', function (){ 
gulp.src('src/example/example.less', option).pipe(less().on('error', function (e){ 
console.error(e.message); 
this.emit('end'); 
} 
)).pipe(postcss([autoprefixer] )).pipe(nano()).pipe(gulp.dest(dist)).pipe(_AN_Call_reload('reload', browserSync, { 
stream: true }
)); 
} 
); 
gulp.task('build:example:html', function (){ 
gulp.src('src/example/index.html', option).pipe(tap(function (file){ 
var dir = path.dirname(file.path); 
var contents = file.contents.toString(); 
contents = _AN_Call_replace('replace', contents, /<link\s+rel="import"\s+href="(.*)">/gi, function (match, $1){ 
var filename = path.join(dir, $1); 
var id = path.basename(filename, '.html'); 
var content = fs.readFileSync(filename, 'utf-8'); 
return '<script type="text/html" id="tpl_' + id + '">\n' + content + '\n</script\>'; 
} 
); 
file.contents = new Buffer(contents); 
} 
)).pipe(gulp.dest(dist)).pipe(_AN_Call_reload('reload', browserSync, { 
stream: true }
)); 
} 
); 
gulp.task('build:example', ['build:example:assets', 'build:example:style', 'build:example:html'] ); 
gulp.task('release', ['build:style', 'build:example'] ); 
gulp.task('watch', ['release'] , function (){ 
gulp.watch('src/style/**/*', ['build:style'] ); 
gulp.watch('src/example/example.less', ['build:example:style'] ); 
gulp.watch('src/example/**/*.?(png|jpg|gif|js)', ['build:example:assets'] ); 
gulp.watch('src/**/*.html', ['build:example:html'] ); 
} 
); 
gulp.task('server', function (){ 
yargs.p = yargs.p || 8080; 
_AN_Call_init('init', browserSync, { 
server: { 
baseDir: "./dist"}
,
ui: { 
port: yargs.p + 1,
weinre: { 
port: yargs.p + 2}
}
,
port: yargs.p,
startPath: '/example'}
); 
} 
); 
gulp.task('default', ['release'] , function (){ 
if (yargs.s) { 
gulp.start('server'); 
} 
if (yargs.w) { 
gulp.start('watch'); 
} 
} 
);