<?php

/**
 * Subclass for representing a row from the 'st_invoice' table.
 *
 * 
 *
 * @package plugins.stInvoicePlugin.lib.model
 */ 
class Invoice extends BaseInvoice
{
    protected $status = null;
    protected $culture = null;

    /**
     * Zwraca typ faktury
     *
     * @return string
     */
    public function getType()
    {
        if ($this->getIsProforma())
        {
            return 'proforma';
        }

        if ($this->getIsConfirm())
        {
            return 'confirm';
        }

        if ($this->getIsRequest())
        {
            return 'request';
        }

        return null;
    }

    public function getAdminGeneratorTitle()
    {
        return $this->getNumber();
    }
    
    public function getCulture()
    {
        return $this->culture;
    }
    
    public function setCulture($culture)
    {
        $this->culture = $culture;           
    }

    public function getOptCustomerCompany()
    {
        return trim(parent::getOptCustomerCompany());
    }
    
    public function hydrate(ResultSet $rs, $startcol = 1)
    {
        $result = parent::hydrate($rs, $startcol);
        stTax::setIsCustomerEuTaxEnabled(empty($this->getOptCustomerCompany()));

        return $result;
    }

    public function getTotalAmount($with_discount = true)
    {
        $total_amount = $this->getOptTotalAmmountBrutto();

        if ($with_discount && $this->getIsProforma() && $this->hasDiscount())
        {
            return $total_amount - $this->getOrderDiscount();
        }

        return $total_amount; 
    }

    public function getTotalDiscountAmount()
    {
        return $this->getTotalAmount(false) - $this->getTotalAmount();
    }

    public function hasDiscount()
    {
        return $this->getOrderDiscount() > 0;
    }

    public function getStatus()
    {
        if (null === $this->status)
        {
            $c = new Criteria();
            $c->setLimit(1);
            $statuses = $this->getInvoiceStatuss($c);
            $this->status = !empty($statuses) ? $statuses[0] : null; 
        }

        return $this->status;
    }

    public function getInvoiceProductsJoinProduct($criteria = null, $con = null)
    { 
       $criteria = null === $criteria ? new Criteria() : clone $criteria;
 
       $criteria->addAscendingOrderByColumn(InvoiceProductPeer::ID);
 
       return parent::getInvoiceProductsJoinProduct($criteria, $con);
    }

    /**
     * Zwraca podsumowanie poszczególnych stawek VAT
     *
     * @return array
     */
    public function getTaxRatesSummary()
    {
        $taxRatesSummary = array();

        /**
         * @var InvoiceProduct $product
         */
        foreach ($this->getInvoiceProductsJoinProduct() as $product)
        {
            if (!isset($taxRatesSummary[$product->getVat()]))
            {
                $tax = stTax::getById($product->getVatId());
                $taxRatesSummary[$product->getVat()] = array(
                    'total_brutto' => $product->getOptTotalPriceBrutto(),
                    'is_default' => $tax && $tax->getDefaultTaxRate() == $product->getVat(),
                );
            }
            else
            {
                $taxRatesSummary[$product->getVat()]['total_brutto'] += $product->getOptTotalPriceBrutto();
            }
        }

        foreach ($taxRatesSummary as $rate => $taxRateSummary)
        {
            $totalBrutto = $taxRateSummary['total_brutto'];
            $totalNetto = stPrice::extract($totalBrutto, $rate);
            $taxRatesSummary[$rate]['total_netto'] = $totalNetto;
            $taxRatesSummary[$rate]['total_ammount_vat'] = $totalBrutto - $totalNetto;
        }
        
        return $taxRatesSummary;
    }

    public function save($con = null)
    {
        if ($this->isNew())
        {
            $invoiceDataDefault = stConfig::getInstance('stInvoiceBackend');
            $invoiceDataDefault->setCulture(stLanguage::getOptLanguage());
            $currentDate = date('Y-M-d');
            
            $this->setDateCreateCopy(empty($invoiceDataDefault->get('date_create_copy')) ? $currentDate : $invoiceDataDefault->get('date_create_copy'));
            $this->setDateSelle(empty($invoiceDataDefault->get('date_selle')) ? $currentDate : $invoiceDataDefault->get('date_selle'));
        }
 
        if ($this->aInvoiceUserCustomer && $this->aInvoiceUserCustomer->isColumnModified(InvoiceUserCustomerPeer::COMPANY))
        {
            $this->setOptCustomerCompany($this->aInvoiceUserCustomer->getCompany());
        }

        if ($this->aInvoiceUserCustomer && $this->aInvoiceUserCustomer->isColumnModified(InvoiceUserCustomerPeer::FULL_NAME))
        {
            $this->setOptCustomerFullName($this->aInvoiceUserCustomer->getFullName());
        }

        if ($this->aInvoiceUserCustomer && $this->aInvoiceUserCustomer->isColumnModified(InvoiceUserCustomerPeer::VAT_NUMBER))
        {
            $this->setOptCustomerVatNumber($this->aInvoiceUserCustomer->getVatNumber());
        }
    
        return parent::save($con);
    }
}