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

var gulp = require('gulp');
var $ = require('gulp-load-plugins')({ lazy: true });
var debug = require('gulp-debug');
var foreach = require('gulp-foreach');
var gutil = require('gulp-util');

function TypeScript(_arg) {
  var base, dest, lint, options, src, stream, testReporter, tsLintRules, tsProject, tslintOptions;
  src = _arg.src;
  tsProject = _arg.tsProject;
  stream = _arg.stream;
  dest = _arg.dest;
  base = _arg.base;
  lint = _arg.lint;
  tsLintRules = _arg.tsLintRules;

  if (lint == null) {
    lint = true;
  }
  if (stream) {
    src = 'stream';
  }
  if (!(src && tsProject && dest && tsLintRules)) {
    console.info(src, arguments);
    throw new Error('missing compile coffeee params');
  }
  testReporter = function(output, file, options) {
    return console.log("Found " + output.length + " errors in " + file.path);
  };
  options = {};
  if (base) {
    options.base = base;
  }
  if (!stream) {
    stream = gulp.src(src, options);
  }

  stream = stream.pipe($.plumber());

  tslintOptions = {
    rulesDirectory: null,
    emitError: true,
    configuration: tsLintRules
  };

  return stream
    .pipe(foreach(function(stream, file){
      file = file.toString().toLowerCase();
      if(!!file.match(/[.]ts$/) && (!!file.match(/[.]d.ts$/)) === false) {

        gutil.log('type-script lint', gutil.colors.magenta(file));

        return stream
          .pipe($.tslint(tslintOptions))
          .pipe($.tslint.report(testReporter));

      } else {
        return stream;
      }
    }))
    .pipe($["if"](/[.]ts$/, $.typescript(tsProject)));

};

export = TypeScript;