<?php

/**
 *
 */
class ShippingForm extends sfForm
{
    protected $shippings = array('osobni-odber' => 'osobní odběr',
                                 'posta' => 'balík Česká Pošta',
                                 'toptrans' => 'balík Toptrans',
                                 //'matl-bula' => 'doprava Mátl&Bula',
                                 //'specialni' => 'speciální požadavek na dopravu (expresní, dokládka, jiná zásilková služba)',
                                );

    protected $payments = array('hotovost' => 'v hotovosti při předání',
                                'ucet' => 'předem na účet',
                                //'faktura' => 'na fakturu',
                                'dobirka' => 'dobírkou',
                                //'bude-upresneno' => 'bude upřesněno - budeme Vás kontaktovat'
                               );

    protected $packs = array('balik' => 'balík',
                                'paleta' => 'zásilka na paletě',
                                'bedna' => 'zásilka v přepravní bedně'
        );

    protected $weight = 0;

    public function __construct($defaults = array(), $options = array(), $CSRFSecret = null, $weight = 0)
    {
        $this->weight = $weight;
        parent::__construct($defaults, $options, $CSRFSecret);
    }

    public function configure()
    {
        $this->widgetSchema->setNameFormat('shipping_form[%s]');

        $this->widgetSchema['shipping'] = new sfWidgetFormChoice(array('choices' => $this->getShippings()));
        $this->widgetSchema['shipping']->setLabel('Doprava');
        $this->widgetSchema['shipping']->setAttribute('onChange', 'submit();');

        $this->validatorSchema['shipping'] = new sfValidatorChoice(array('choices' => array_keys($this->getShippings())));

        $this->widgetSchema['payment'] = new sfWidgetFormChoice(array('choices' => $this->getPayments('osobni-odber')));
        $this->widgetSchema['payment']->setAttribute('onChange', 'submit();');
        $this->widgetSchema['payment']->setLabel('Platba');

        $this->validatorSchema['payment'] = new sfValidatorChoice(array('choices' => array_keys($this->getPayments('osobni-odber'))));

        $this->widgetSchema['pack'] = new sfWidgetFormChoice(array('choices' => $this->getPacks('posta')));
        $this->widgetSchema['pack']->setAttribute('onChange', 'submit();');
        $this->widgetSchema['pack']->setLabel('Balné');

        $this->validatorSchema['pack'] = new sfValidatorChoice(array('choices' => array_keys($this->getPacks('posta')), 'required' => false));
    }

    public function bind(array $taintedValues = null, array $taintedFiles = null)
    {
        if(!is_null($taintedValues['shipping']))
        {
            $this->widgetSchema['payment']->setOption('choices',$this->getPayments($taintedValues['shipping']));
            $this->widgetSchema['payment']->setAttribute('onChange', 'submit();');
            $this->widgetSchema['payment']->setLabel('Platba');

            $this->validatorSchema['payment'] = new sfValidatorChoice(array('choices' => array_keys($this->getPayments($taintedValues['shipping']))));

            if(!in_array($taintedValues['payment'], array_keys($this->getPayments($taintedValues['shipping']))))
            {
                $p = array_keys($this->getPayments($taintedValues['shipping']));
                $taintedValues['payment'] = $p[0];
            }

            if(count($this->getPacks($taintedValues['shipping'])) == 0)
            {
                unset($this['pack']);
                unset($taintedValues['pack']);
            }
            else
            {
                $this->widgetSchema['pack']->setOption('choices', $this->getPacks($taintedValues['shipping']));
            }
        }

        parent::bind($taintedValues, $taintedFiles);
    }

    public function getShippings()
    {
        $shipping = $this->shippings;

        $cp_max = @array_pop(array_keys(sfConfig::get('app_doprava_cpCenik')));

        if($this->weight >= $cp_max)
        {
            unset($shipping['posta']);
        }

        return $shipping;
    }

    public function getPayments($shipping)
    {
        $payments = $this->payments;

        switch($shipping)
        {
            case 'osobni-odber':
                unset($payments['dobirka']);
                unset($payments['bude-upresneno']);
                break;

            case 'posta':
            case 'toptrans':
                unset($payments['hotovost']);
                unset($payments['bude-upresneno']);
                break;

            case 'matl-bula':
                unset($payments['hotovost']);
                unset($payments['bude-upresneno']);
                unset($payments['dobirka']);
                break;

            case 'specialni':
                unset($payments['dobirka']);
                unset($payments['hotovost']);
                unset($payments['ucet']);
                unset($payments['faktura']);
                break;
        }

        return $payments;
    }

    public function getPacks($shipping)
    {
        $packs = $this->packs;

        switch($shipping)
        {
            case 'posta':
            case 'toptrans':
                break;
            default:
                $packs = array();
                break;
        }

        if($this->weight >= sfConfig::get('app_balne_balikDo'))
        {
            unset($packs['balik']);
        }

        if($this->weight < sfConfig::get('app_balne_paletaOd')
           || $this->weight > sfConfig::get('app_balne_paletaDo'))
        {
            unset($packs['paleta']);
        }

        if($this->weight < sfConfig::get('app_balne_bednaOd')
           || $this->weight > sfConfig::get('app_balne_bednaDo'))
        {
            unset($packs['bedna']);
        }

        return $packs;
    }

    public function getShipping($index)
    {
        return $this->shippings[$index];
    }

    public function getPayment($index)
    {
        return $this->payments[$index];
    }

    public function getPack($index)
    {
        return $this->packs[$index];
    }
}