<?php

/**
 * Aquatuning Software Development - Country Choice Plugin - Bootstrap
 *
 * @category  Aquatuning
 * @package   Shopware\Plugins\AtsdCountryChoice
 * @copyright Copyright (c) 2013, Aquatuning GmbH
 */

class Shopware_Plugins_Frontend_AtsdCountryChoice_Bootstrap extends Shopware_Components_Plugin_Bootstrap
{

    // info
    private $plugin_info = array(
        'version'     => "1.0.0",
        'label'       => "ATSD - Länderauswahl definieren",
        'description' => "Wahlweise Länder sperren, hinzufügen oder Reihenfolge ändern",
        'supplier'    => "Aquatuning GmbH",
        'autor'       => "Aquatuning GmbH",
        'support'     => "Aquatuning GmbH",
        'copyright'   => "Aquatuning GmbH",
        'link'        => 'http://www.aquatuning.de',
        'source'      => null,
        'changes'     => null,
        'license'     => null,
        'revision'    => null
    );

    // getCapabilities
    private $plugin_capabilities = array(
        'install' => true,
        'update'  => true,
        'enable'  => true
    );



    /**
     * Returns the current version of the plugin.
     *
     * @return string
     */

    public function getVersion()
    {
        return $this->plugin_info['version'];
    }



    /**
     * Get (nice) name for the plugin manager list
     *
     * @return string
     */

    public function getLabel()
    {
        return $this->plugin_info['label'];
    }



    /**
     * Get full information for the plugin manager list
     * @return array
     */

    public function getInfo()
    {
        return $this->plugin_info;
    }



    /**
     * Get capabilities for the plugin manager
     *
     * @return array
     */

    public function getCapabilities()
    {
        return $this->plugin_capabilities;
    }



    /**
     * Creates the configuration fields and subscribes the post dispatch event of the frontend listing container.
     *
     * @return bool
     */

    public function install()
    {
        // subscribe to events
        $this->installSubscribeEvents();

        // create the form
        $this->installCreateConfigForm();

        // done
        return array(
            'success'         => true,
            'invalidateCache' => array( "frontend", "backend", "config" )
        );
    }



    /**
     * Creates the configuration form for the plugin
     *
     * @return void
     */

    protected function installCreateConfigForm()
    {
        // get the form
        $form = $this->Form();

        // create the element
        $form->setElement( "text", "availableCountries", array(
            'label'       => "Freigeschaltete Länder",
            'description' => "Alle für den angegebenen Shop freigegebenen Länder im ISO 2 Format per Komma getrennt (zb DE,GB,FR). Freilassen für alle Länder",
            'required'    => false,
            'value'       => "",
            'scope'       => \Shopware\Models\Config\Element::SCOPE_SHOP
        ));

        // create the element
        $form->setElement( "text", "restrictedCountries", array(
            'label'       => "Gesperrte Länder",
            'description' => "Alle für den angegebenen Shop gesperrten Länder im ISO 2 Format per Komma getrennt (zb DE,GB,FR).",
            'required'    => false,
            'value'       => "",
            'scope'       => \Shopware\Models\Config\Element::SCOPE_SHOP
        ));

        // create the element
        $form->setElement( "text", "sortCountries", array(
            'label'       => "Reihenfolge",
            'description' => "Die hier angegebenen Länder werden in der Reihenfolge ganz oben angezeigt (zb DE,GB,FR).",
            'required'    => false,
            'value'       => "",
            'scope'       => \Shopware\Models\Config\Element::SCOPE_SHOP
        ));
    }



    /**
     * Registers all necessary events and hooks.
     *
     * @return void
     */

    private function installSubscribeEvents()
    {
        $this->subscribeEvent(
            "Shopware_Modules_Admin_GetCountries_FilterResult",
            "getCountriesFilter"
        );
    }



    public function getCountriesFilter( Enlight_Event_EventArgs $arguments )
    {
        // get parent return
	    $countries = $arguments->getReturn();

        // get shop id
        $shopid = $arguments->getSubject()->subshopId;



        // get configuration
        $availableCountries = $this->Config()->get( "availableCountries" );
        $restrictedCountries = $this->Config()->get( "restrictedCountries" );
        $sortCountries = $this->Config()->get( "sortCountries" );

        // trim it
        $availableCountries = trim( $availableCountries );
        $restrictedCountries = trim( $restrictedCountries );
        $sortCountries = trim( $sortCountries );



        // available countries?
        if ( !empty( $availableCountries ) )
        {
            // make it an array
            $availableCountries = explode( ",", $availableCountries );

            // my new array
            $arr = array();

            // loop through all countries
            foreach ( $countries as $country )
            {
                // country available?
                if ( in_array( $country['countryiso'], $availableCountries ) )
                    // use it
                    array_push( $arr, $country );
            }

            // save it back
            $countries = $arr;
        }



        // restricted countries?
        if ( !empty( $restrictedCountries ) )
        {
            // make it an array
            $restrictedCountries = explode( ",", $restrictedCountries );

            // my new array
            $arr = array();

            // loop through all countries
            foreach ( $countries as $country )
            {
                // country available?
                if ( !in_array( $country['countryiso'], $restrictedCountries ) )
                    // use it
                    array_push( $arr, $country );
            }

            // save it back
            $countries = $arr;
        }



        // sort it?
        if ( !empty( $sortCountries ) )
        {
            // make it an array
            $sortCountries = explode( ",", $sortCountries );

            // both array to merge
            $sorted = array();
            $rest = array();

            // loop all countries
            foreach ( $countries as $country )
            {
                // to sort?
                if ( in_array( $country['countryiso'], $sortCountries ) )
                    // save the shit
                    $sorted[array_search( $country['countryiso'], $sortCountries )] = $country;
                // not to sort
                else
                    // just add to the rest
                    array_push( $rest, $country );
            }

            // sort our sorted by key
            ksort( $sorted );

            // the new array
            $countries = array();

            // add our sorted to the beginning
            foreach ( $sorted as $country )
                array_push( $countries, $country );

            // then the remaining countries
            foreach ( $rest as $country )
                array_push( $countries, $country );

        }



        // and return them
        return $countries;
    }



    public function uninstall()
    {
        return true;
    }

    public function update()
    {
        return true;
    }



}