<?php

namespace frontend\models;

use common\models\User;
use yii\base\Model;
use Yii;

/**
 * Signup form
 */
class SignupForm extends Model {
	public $username;
	public $email;
	public $password;
	public $emailSecond;
	public $passwordSecond;
	
	public $form_of_adress;
	public $title;
	public $name;
	public $firstName;
	
	public $institution;
	public $division;
	public $streetPOBox;
	public $postalCode;
	public $locationCity;
	public $country;
	
	public $deliveryInstitution;
	public $deliveryDivision;
	public $deliveryStreet;
	public $deliveryPostalCode;
	public $deliveryLocation;
	public $deliveryCountry;
	
	public $citesCode;
	
	/**
	 * @inheritdoc
	 */
	public function rules() {
		return [ 
				[ 
						'username',
						'filter',
						'filter' => 'trim' 
				],
				[ 
						'username',
						'required' 
				],
				[ 
						'username',
						'unique',
						'targetClass' => '\common\models\User',
						'message' => 'This username has already been taken.' 
				],
				[ 
						'username',
						'string',
						'min' => 2,
						'max' => 255 
				],
				
				[ 
						'email',
						'filter',
						'filter' => 'trim' 
				],
				[ 
						'email',
						'required' 
				],
				[ 
						'email',
						'email' 
				],
				[ 
						'email',
						'unique',
						'targetClass' => '\common\models\User',
						'message' => 'This email address has already been taken.' 
				],
				
				[ 
						'password',
						'required' 
				],
				[ 
						'password',
						'string',
						'min' => 6 
				],
				[
						['name', 'firstName', 'institution', 'streetPOBox', 'postalCode', 'locationCity', 'country', 'emailSecond', 'passwordSecond'],
						'required'
				],
				[
						'passwordSecond', 
						'compare', 
						'compareAttribute'=>'password',
						'message' => 'Verify the spelling of your password'
				],
				[
						
						'emailSecond', 
						'compare', 
						'compareAttribute'=>'email',
						'operator' => '===',
						'message' => 'Verify the spelling of your email adress'
				],
				
				//In order to recieve user input, attributes must have at least one rule. "safe" is default rule.
				//Possibilty to store Cites-codes in database an perfrom inline validation???
				[
						['form_of_adress', 'title', 'division', 'deliveryInstitution', 'deliveryDivision', 'deliveryStreet', 
						'deliveryPostalCode', 'deliveryLocation', 'deliveryCountry', 'citesCode'], 
						'safe'
						
				] 		
				
		];
	}
	/**
	 * (non-PHPdoc)
	 * @see \yii\base\Model::attributeLabels()
	 * @overrides
	 * 
	 */
	public function attributeLabels(){
		return[
				'username'=>'Username',
				'email' => 'Email',
				'password' => 'Password',
				'emailSecond' => 'Email (repeat)',
				'passwordSecond' => 'Password (repeat)',
				
				'form_of_adress' => 'Form of adress',
				'title' => 'Title',
				'name' => 'Name',
				'firstName' => 'First name',
				
				'institution' => 'Institution',
				'division' => 'Division',
				'streetPOBox' => 'Street/P.O. Box',
				'postalCode' => 'Postal Code',
				'locationCity' => 'Location/City',
				'country' => 'County',
				
				'deliveryInstitution' => 'Institution',
				'deliveryDivision' => 'Division',
				'deliveryStreet' => 'Street/P.O. Box',
				'deliveryPostalCode' => 'Postal Code',
				'deliveryLocation' => 'Location/City',
				'deliveryCountry' => 'County',
				'citesCode' => 'Cites Code'
				
		];
	}
	
	/**
	 * Signs user up.
	 *
	 * @return User|null the saved model or null if saving fails
	 */
	public function signup() {
		if ($this->validate ()) {
			$user = new User ();
			$user->username = $this->username;
			$user->email = $this->email;
			
			$user->form_of_adress = $this->form_of_adress;
			$user->title = $this->title;
			$user->name = $this->name;
			$user->first_name = $this->firstName;
			
			$user->institution = $this->institution;
			$user->division = $this->division;
			$user->street_pobox = $this->streetPOBox;
			$user->postal_code = $this->postalCode;
			$user->location_city = $this->locationCity;
			$user->country = $this->country;
			
			$user->delivery_institution = $this->deliveryInstitution;
			$user->delivery_division = $this->deliveryDivision;
			$user->delivery_street = $this->deliveryStreet;
			$user->delivery_postal_code = $this->deliveryPostalCode;
			$user->delivery_location = $this->deliveryLocation;
			$user->delivery_country = $this->deliveryCountry;
			
			$user->cites_code = $this->citesCode;
			
			$user->setPassword ( $this->password );
			$user->generateAuthKey ();
			$user->generatePasswordResetToken();
			$user->generateActivationKey();
			
			
			if ($user->save ()) {
			
			$auth = Yii::$app->authManager;
// 			// add "validate User" permission
// 			$validateUser = $auth->createPermission('validateUser');
// 			$validateUser->description = 'Validate a user who wants to sign up';
// 			$auth->add($validateUser);
			
// 			//add shopping permission
// 			// 		$shopping = $auth->createPermission('shopping');
// 			// 		$shopping->description = 'Order samples from the database';
// 			// 		$auth->add($shopping)

			//add "alter User" permission
// 			$alterUser = $auth->createPermission('alterUserAdmin');
//  			$alterUser->description = 'Alter user data a normal user cannot change himself';
// 			$auth->add($alterUser);
			
// 			// add "user" role and give this role the "shopping" permission
// 			$loggedInUser = $auth->createRole('user');
// 			$auth->add($loggedInUser);
// 			//$auth->addChild($loggedInUser, $shopping);
			
// 			// add 'admin' role and give the admin the permission to validate users
// 			$admin = $auth->createRole('admin');
// 			$auth->add($admin);
// 			$auth->addChild($admin, $validateUser);
			//$auth->addChild($admin, $alterUser);
			//$auth->addChild($admin, $shopping);
			
			//first created user is admin by default
			if(User::find()->count()==0){
				$userRole = $auth->getRole('admin');
				$auth->assign($userRole, $user->getId());
			}
			
			$userRole = $auth->getRole('user');
			$auth->assign($userRole, $user->getId());
			
			$this->sendValidationEmail();
			return $user;
			}
		}
		
		return null;
	}
	
	/**
	 * Sends a validation link to the admin.
	 * 
	 * @return a boolean wether the email was successfully sent.
	 */
	public function sendValidationEmail() {
		/* @var $user User */
		$user = User::findOne ( [
				'status' => User::STATUS_INACTIVE,
				'email' => $this->email
		] );
		if ($user) {
			if(empty($user->__get('activation_key'))) {
				$user->generateActivationKey();
			}
		return \Yii::$app->mailer->compose ( [
				'html' => 'activationMail-html',
				'text' => 'activationMail-text'
		], [
				'user' => $user
		] )->setFrom ( [
				\Yii::$app->params ['supportEmail'] => \Yii::$app->name . ' robot'
		] )->setTo ( $this->email )->setSubject ( 'Password reset for ' . \Yii::$app->name )->send ();
		}

	else {
		return false;
	}
	}
}