'use strict';

var chalk        = require('chalk');
var Command      = require('ember-cli/lib/models/command');
var Promise      = require('ember-cli/lib/ext/promise');
var Project      = require('ember-cli/lib/models/project');
var SilentError        = require('silent-error');
var validProjectName   = require('ember-cli/lib/utilities/valid-project-name');
var normalizeBlueprint = require('ember-cli/lib/utilities/normalize-blueprint-option');

var Command     = require('ember-cli/lib/models/command');
var InitCommand = require('./init');

module.exports = Command.extend({
    name: 'new',
    description: 'Creates a new directory and runs ' + chalk.green('ng init') + ' in it.',
    works: 'outsideProject',

    availableOptions: [
        { name: 'dry-run', type: Boolean, default: false, aliases: ['d'] },
        { name: 'verbose', type: Boolean, default: false, aliases: ['v'] },
        { name: 'blueprint', type: String, default: 'ng2', aliases: ['b'] },
        { name: 'skip-npm', type: Boolean, default: false, aliases: ['sn'] },
        { name: 'skip-bower', type: Boolean, default: true, aliases: ['sb'] },
        { name: 'skip-git', type: Boolean, default: false, aliases: ['sg'] },
        { name: 'directory', type: String , aliases: ['dir'] }
    ],
    run: function(commandOptions, rawArgs) {
        var packageName = rawArgs[0],
          message;

        commandOptions.name = rawArgs.shift();

        if (!packageName) {
            message = chalk.yellow('The `ng ' + this.name + '` command requires a ' +
            'name argument to be specified. For more details, use `ng help`.');

            return Promise.reject(new SilentError(message));
        }

        if (commandOptions.dryRun){
            commandOptions.skipGit = true;
        }

        if (packageName === '.') {
            message = 'Trying to generate an application structure in this directory? Use `ng init` instead.';

            return Promise.reject(new SilentError(message));
        }

        if (!validProjectName(packageName)) {
            message = 'We currently do not support a name of `' + packageName + '`.';

            return Promise.reject(new SilentError(message));
        }

        commandOptions.blueprint = normalizeBlueprint(commandOptions.blueprint);

        if (!commandOptions.directory) {
            commandOptions.directory = packageName;
        }

        var createAndStepIntoDirectory  = new this.tasks.CreateAndStepIntoDirectory({
            ui: this.ui,
            analytics: this.analytics
        });

        var initCommand = new InitCommand({
            ui: this.ui,
            analytics: this.analytics,
            tasks: this.tasks,
            project: Project.nullProject(this.ui, this.cli)
        });

        return createAndStepIntoDirectory
          .run({
              directoryName: commandOptions.directory,
              dryRun: commandOptions.dryRun
          })
          .then(initCommand.run.bind(initCommand, commandOptions, rawArgs));
    }
});

module.exports.overrideCore = true;