<?php

namespace App\Http\WebflowApi;

use App\Http\WebflowApiClient;
use RuntimeException;
use Symfony\Component\HttpKernel\Exception\NotFoundHttpException;

abstract class AbstractWebflowApiField extends AbstractWebflowApiClient {

    public $data;
    private $initialized = false;

    private $collections = [];

    public function __construct(WebflowApiClient $wfapi, ?array $data)
    {
        parent::__construct($wfapi);
        $this->data = $data;
        $this->initialized = !is_null($data);
    }

    public static function byId(AbstractWebflowApiClient $wfapi, string $id, array $options = []): AbstractWebflowApiField {
        $new = new static($wfapi->getClient(), null);
        $new->data['_id'] ??= $id;
        return $new;
    }

    public function isInitialized(): bool {
        return $this->initialized;
    }

    public function load(bool $reload = false): self {
        if ($this->initialized && !$reload)
            return $this;

        $req = $this->getClient()->get($this->getLoadScope(), $reload ? -1 : 300);

        if ($req->getStatusCode() == 200) {
            $this->initialized = true;
            $this->data = $req->toArray();
        }

        return $this;
    }

    abstract protected function getLoadScope(): string;

    protected function loadCollection(string $scope, string $as): ?AbstractWebflowApiCollection {

        if (isset($this->collection[$scope]))
            return $this->collections[$scope];

        if (!class_exists($as))
            throw new RuntimeException(sprintf("Collection-class %s does not exist.", $as));

        $entClass = rtrim($as, 's');

        if (!class_exists($entClass))
            throw new RuntimeException(sprintf("Entry-class %s does not exist.", $entClass));

        $req = $this->getClient()->get($scope);

        if ($req->getStatusCode() != 200)
            return null;

        $col = $this->collections[$scope] = new $as($this->getClient(), $this);

        foreach ($req->toArray() as $key => $entry) {
            if (isset(class_implements(get_class($col))[WebflowPaginationInterface::class])) {
                switch ($key) {
                case 'items': 
                    foreach ($entry as $item)
                        $col->addEntry($col->createEntry($key, $item));
                    break;
                default:
                    $method = sprintf('set%s', ucfirst($key));
                    if (method_exists($col, $method))
                        [$col, $method]($entry);
                }
            } else {
            if (!is_null($entry = $col->createEntry($key, $entry)))
                $col->addEntry($entry);
            }
        }

        return $col;

    }
}
?>