<?php


namespace App\Routes;

include_once($_SERVER['DOCUMENT_ROOT'] . '/App/Routes/RouteRedirector.php');

use App\Brands\BrandController;
use App\Categories\CategoryController;

class RouteResolver
{
    /**
     * @var RoutesRepository
     */
    private $repository;
    private $redirector;

    /**
     * RouteResolver constructor.
     */
    public function __construct()
    {
        $this->repository = new RoutesRepository();
        $this->redirector = new RouteRedirector();
    }

    /**
     * Resolve route
     */
    public function resolve()
    {
        // Get path
        $path = $this->path();

        // Is this an api path
        $this->handlePostRequests();

        // Check if this is a fixed route
        // Todo: add 'new' ?

        // Find route in database
        $route = $this->repository->find($path);

        if($route == null) {
            // Old route ?

            if($type = $this->isOldRoute($path)) $this->redirector->redirectOldRoute($type,$path);
            return false;
        }

        return $route;
    }

    /**
     * Quick and dirty solution for calling the right method
     * @param $route
     * @return string
     */
    public function dispatchType($route)
    {
        if( ! $route) return false;

        // Dispatch the type
        switch($route->routeable_type)
        {
            case 'category':

                // Create new controller
                $controller = new CategoryController();
                // Show category
                return $controller->show($route->routeable_id);

                break;

            case 'brand':

                // Create new controller
                $controller = new BrandController();
                // Show brand
                return $controller->show($route->routeable_id);

                break;

            case 'product':

                // Require product file
                require_once $_SERVER['DOCUMENT_ROOT'] . '/php/page_product.php';

                // Show product
                return \showProduct($route->routeable_id);
                break;
        }

        return '';
    }

    /**
     * Get path without first slash
     *
     * return path
     */
    public function path()
    {
        substr($_SERVER['REQUEST_URI'],1) ? $path = substr($_SERVER['REQUEST_URI'],1) : $path = '';

        return $path;
    }

    /**
     * Check if the route is an old route that needs to be redirected
     *
     * @param $path
     * @return bool|string
     */
    private function isOldRoute($path)
    {
        // Define old strings
        $oldStrings = [
            'product' => 'toont-het-artikel',
            'brand' => 'toont-haar-collectie/van-het-merk',
            'category' => 'toont-haar-collectie/uit-de-categorie'
        ];

        // Loop through strings
        foreach($oldStrings as $type => $string)
        {
            // Check if path starts with string
            if(substr($path,0,strlen($string)) == $string) return $type;
        }

        return false;
    }

    /**
     * Handle post request
     *
     * @return bool
     */
    private function handlePostRequests()
    {
        // Do we have a post request
        if( ! isset($_POST)) return false;

        // Add to cart
        if(isset($_POST['add-to-cart']))
        {
            include_once($_SERVER['DOCUMENT_ROOT'] . '/php/page_product.php');
            \validateAddProducts();
        }

        // Search
        if(isset($_POST['search'])){
            $_SESSION['search'] = $_POST['search'];
            header('location: /zoekresultaten/');
        }
    }
}