<?php

namespace App\User;

use App\Address\ModelTrait as AddressModelTrait;
use App\Address\Entity as AddressEntity;
use Qs\Db\Model\WritableTrait;
use Zend_Db_Expr;
use Qs_String;

class Model extends \Qs\Db\Model
{
    use WritableTrait;
    use AddressModelTrait;

    public function getFullNameExpr()
    {
        return new Zend_Db_Expr('CONCAT_WS(" ", `User`.`firstName`, `User`.`lastName`)');
    }

    protected function initData(array &$data)
    {
        $this->getTable()->emptyToNull($data);

        if (empty($data['alias']) && !empty($data['firstName']) && !empty($data['lastName'])) {
            $data['alias'] = $this->_prepareAlias($data);
        }
        if (empty($data['password'])) {
            unset($data['password']);
        } else {
            $data['salt'] = substr(md5(time()), 0, 8);
            $data['password'] = $this->_encryptPass($data['password'], $data['salt']);
        }
        $key = empty($data['id']) ? [] : ['id' => $data['id']];
        if (!empty($data['email'])
            && !$this->getTable('User')->isUnique(['email' => $data['email'], 'bought' => 'y'], $key)
        ) {
            throw new Exception('Email is not unique', Exception::EMAIL_NOT_UNIQUE);
        }
        if (!empty($data['login'])
            && !$this->getTable('User')->isUnique(['login' => $data['login'], 'bought' => 'y'], $key)
        ) {
            throw new Exception('Login is not unique', Exception::LOGIN_NOT_UNIQUE);
        }
        return $this;
    }

    private function _encryptPass($password, $salt)
    {
        return md5($salt . $password);
    }

    protected function saveDependencies(array $data)
    {
        $key = ['userId' => $data['id']];

        foreach (['addresses'] as $name) {
            $method = 'save' . ucfirst($name);
            if (array_key_exists($name, $data) && method_exists($this, $method)) {
                $this->$method($data[$name], $key);
            }
        }
        return $this;
    }

    public function injectDependencies(array &$data)
    {
        $key = ['userId' => $data['id']];
        $data[AddressEntity::TYPE_BILLING] = $this->getBillingAddress($key);
        $data[AddressEntity::TYPE_SHIPPING] = $this->getMailingAddress($key);

        $billing = array_intersect_key($data[AddressEntity::TYPE_BILLING], $data[AddressEntity::TYPE_SHIPPING]);
        $data[AddressEntity::TYPE_SHIPPING]['sameAs'] = $billing == $data[AddressEntity::TYPE_MAILING]
            ? AddressEntity::TYPE_BILLING
            : '';

        return $this;
    }

    public function savePrize(array $data, array $key)
    {
        $this->getTable('UserPrize')->saveBy($data, $key);
        return $this;
    }

    public function getPrize(array $key)
    {
        return $this->getTable('UserPrize')->searchBy($key) ?: [];
    }

    protected function _prepareAlias(array $data)
    {
        $fullName = $data['firstName'] . ' ' . $data['lastName'];
        $key = empty($data['id']) ? [] : ['id' => $data['id']];
        do {
            $alias = Qs_String::aliasize($fullName);
            $fullName = $data['firstName'] . ' ' . $data['lastName'] . '-' . rand(1000,9999);
        } while (!$this->getTable('User')->isUnique(['alias' => $alias], $key));
        return $alias;
    }
}