import base = require("./base");

declare var module: any;
declare function require(name:string);
declare var __filename: string;
declare var __dirname: string;

var gulp = require('gulp');
var path = require('path');
var $ = require('gulp-load-plugins')({lazy: true});

class CompileJst extends base.BaseTask {
  constructor() {
    super();
    return this;
  }

  static watch:boolean = true;
  //static dependency:any = ['cleanJavaScript'];
  static taskName:string = 'compileJst';

  static config(task, tasks, userOptions) {
    return {
      files: [
        './source/**/*.jst.jade',
        './source/**/*.jst.haml',
        './source/**/*.jst.html',
        './source/**/*.jst.coffeekup'
       ],
      jade:{
        config: {
          pretty: true
        },
        filter: /[.]jade$/
      },
      coffee: {
        filter: /[.]coffeekup$/
      },
      minify:{
        filter: /[.]min.html$/,
        config: {
          conditionals: true,
          spare:true
        }
      }
    };
  }

  static gulp(options, settings, task, tasks):void {
    CompileJst.checkArguments(options, settings, task, tasks);

    var _ = require('lodash');
    var ck = require('coffeekup');
    var wraptext = require('gulp-requirejs-wrap-text');

    var gulpRunner = options.gulp || gulp;
    var config = settings;
    var _ref;

    if (!(config != null ? (_ref = config.files) != null ? _ref.length : void 0 : void 0)) {
      return;
    }

    function transformCoffeeKup(contents) {
      return ck.render(contents);
    }

    return gulpRunner.src(config.files, {
        base: config.base
      })
        .pipe($.print())
        .pipe($.plumber())
        .pipe($["if"](config.jade.filter, $.jade(config.jade.config)))
        .pipe($["if"](config.coffee.filter, $.insert.transform(transformCoffeeKup)))
        .pipe($["if"](config.coffee.filter, $.rename({ extname: ".html" })))
        .pipe($.prettify({ indent_size: 2 }))
        .pipe($["if"](config.minify.filter, $.minifyHtml(config.minify.config)))
        .pipe(wraptext())
        .pipe($["if"](/[.]min.html$/, $.uglify()))
        .pipe($.rename({ extname: ".js" }))
        .pipe(gulp.dest(settings.dist || options.dist));
  }
}


export = CompileJst;