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

import base = require("./base");
var gulp = require('gulp');
var path = require('path');
var $ = require('gulp-load-plugins')({lazy: true});
var logs = require('./helpers/logs');
var _ = require('lodash');

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

  static isActive:boolean = false;
  static taskName:string = 'bump';

  static config(task, tasks, userOptions) {
    return {
      packages: ['./package.json', './bower.json']
    };
  }

  static gulp(options, settings, task, tasks):void {
    Bump.checkArguments(options, settings, task, tasks);
    var bunmpConfig, config, msg, type, version, _ref, _ref1;
    config = settings;

    if (!options.args) {
      throw new Error('missing args options');
    }
    msg = 'Bumping versions';
    type = ((_ref = options.args) != null ? _ref.type : void 0) || 'release';
    version = ((_ref1 = options.args) != null ? _ref1.ver : void 0) || null;
    bunmpConfig = (config != null ? config.bump : void 0) || {};

    if (version) {
      bunmpConfig.version = version;
      msg += ' to ' + version;
    } else {
      bunmpConfig.type = type;
      msg += ' for a ' + type;
    }

    logs(msg);

    return gulp.src(config.packages)
      .pipe($.print())
      .pipe($.plumber())
      .pipe($.bump(bunmpConfig))
      .pipe(gulp.dest(options.rootPath));
  }

}

export = Bump;