<?php

class Parts_Controller extends Page_Controller
{

    private static $allowed_actions = array(
        'getCategoryPage',
        'getPartsPage',
        'getCarsPage'
    );

    public static $url_handlers = array(
        ''                                         => 'index',
        '$CarURL/$ModelURL/$CategoryURL/$PartURL!' => 'getPartsPage',
        '$CarURL/$ModelURL/$CategoryURL!'          => 'getCategoryPage',
        '$CarURL/$ModelURL!'                       => 'getCarsPage',
        '$CarURL!'                                 => 'getCarsPage'
    );

    public function init()
    {
        parent::init();
        //return  $request->param('PartURL');

    }

    public function index()
    {
        return $this->renderWith('Parts_Page', 'Page');
    }

    public function getCategoryPage($request)
    {

        $carRequested = $request->param('CarURL');
        $carModelRequested = $request->param('ModelURL');
        $categoryRequested = $request->param('CategoryURL');

        $Car = ModelFamily::get()->Filter(array("URLSegment" => $carRequested))->First();
        $CarModel = Model::get()->filter(array("URLSegment" => $carModelRequested))->First();
        $Category = Category::get()->filter(array("URLSegment" => $categoryRequested))->First();

        if ((!$Car) OR (!$CarModel) OR (!$Category)) {
            $this->httpError(404);
            return $this->redirect('page-not-found');
        } else {

            $CarManufacture = Manufacture::get()->byID($Car->ManufactureID);

            $ProductsInCategory = new ArrayList();


            foreach ($CarModel->Products() as $Product) {
                if ($Product->CategoryID == $Category->ID) {
                    $ProductsInCategory[] = $Product;
                }

            }

            foreach ($CarModel->ProductGroups() as $ProductGroup) {
                if ($ProductGroup->CategoryID == $Category->ID) {

                    $ProductsInCategory[] = $ProductGroup;

                }
            }

            $CarModel->CategoryProducts = $ProductsInCategory;
            $CarModel->MetaTitle = "Parts - " . $CarManufacture->Name . " " . $Car->Name . " " . $CarModel->Name . " - " . $Category->Name;

            $CarModel->Categories = $this->getCategories($CarModel->ID);


            return $this->customise($CarModel)->renderWith(array('Category_Page', 'Page'));

        }
    }

    public function getCarsPage($request)
    {
        $CarRequested = $request->param('CarURL');
        $CarModelRequested = $request->param('ModelURL');

        if ($CarModelRequested) {

            if ($CarModel = Model::get()->filter(array('URLSegment' => $CarModelRequested))->First()) {

                if ($CarModelFamily = ModelFamily::get()->filter(array('URLSegment' => $CarRequested))->First()) {

                    $Manufacture = Manufacture::get()->byID($CarModelFamily->ManufactureID);

                    $CarModel->MetaTitle = "Parts - " . $Manufacture->Name . " " . $CarModelFamily->Name;

                    $CarModel->ModelExists = true;
                    $CarModel->Categories = $this->getCategories($CarModel->ID);
                    return $this->customise($CarModel)->renderWith(array('Car_Model_Page', 'Page'));
                } else {
                    $this->httpError(404);
                    return $this->redirect('page-not-found');
                }

            } else {
                $this->httpError(404);
                return $this->redirect('page-not-found');
            }

        } else if ($CarRequested) {
            if ($CarModelFamilyValid = ModelFamily::get()->filter(array('URLSegment' => $CarRequested))->First()) {

                $Manufacture = Manufacture::get()->byID($CarModelFamilyValid->ManufactureID);

                $CarModelFamilyValid->MetaTitle = "Parts - " . $Manufacture->Name . " " . $CarModelFamilyValid->Name;
                $CarModelFamilyValid->Categories = NULL;

                return $this->customise($CarModelFamilyValid)->renderWith(array('Car_Page', 'Page'));
            } else {
                $this->httpError(404);
                return $this->redirect('page-not-found');
            }
        } else {
            $this->httpError(404);
            return $this->redirect('page-not-found');
        }

    }

    public function getPartsPage($request)
    {

        $CarModelRequested = $request->param('ModelURL');
        $CarRequested = $request->param('CarURL');
        $PartRequested = $request->param('PartURL');

        $CarModel = Model::get()->filter(array('URLSegment' => $CarModelRequested))->First();

        if (!$Car = ModelFamily::get()->filter(array('URLSegment' => $CarRequested))->First()) {
            $this->httpError(404);
            return $this->redirect('page-not-found');
        } else {

            if ($Part = Product::get()->filter(array('URLSegment' => $PartRequested))->First()) {
                $Manufacture = Manufacture::get()->byID($Car->ManufactureID);
                $Part->CarFrom = $CarModel->ModelFamily()->URLSegment."/".$CarModel->URLSegment;
                $Part->MetaTitle = "Parts - " . $Manufacture->Name . " " . $Car->Name . " " . $Part->Name;
                $Part->Categories = $this->getCategories($CarModel->ID);

                return $this->customise($Part)->renderWith(array('Product_Page', 'Page'));

            } elseif ($Part = ProductGroup::get()->filter(array('URLSegment' => $PartRequested))->First()) {
                $Manufacture = Manufacture::get()->byID($Car->ManufactureID);
                $Part->CarFrom= $Manufacture->Name;
                $Part->MetaTitle = "Parts - " . $Manufacture->Name . " " . $Car->Name . " " . $Part->Name;
                $Part->Categories = $this->getCategories($CarModel->ID);

                return $this->customise($Part)->renderWith(array('Product_Page', 'Page'));
            } else {
                $this->httpError(404);
                return $this->redirect('page-not-found');
            }

        }

    }

    public function getCategories($carModel)
    {

        $CategoryList = new ArrayList();
        $CarModel = Model::get()->byID($carModel);

        foreach ($CarModel->Products() as $Product) {

            $Category = Category::get()->byID($Product->CategoryID);
            $CategoryList->add($Category);

        }

        $CategoryList->removeDuplicates();

        return $CategoryList;
    }


    public function FilterForm() {
            // Create fields
            $fields = new FieldList(
                new TextField('Name'),

            );

            // Create actions
            $actions = new FieldList(
                new FormAction('DoFilterForm', 'Submit')
            );

            return new Form($this, 'FilterForm', $fields, $actions);
        }



}