<?php

class Action
{
    /**
     * Home action.
     *
     * @return string
     */
    public function home():string
    {
        return response()
            ->httpCode(200)
            ->json([]);
    }

    /**
     * Parser action.
     *
     * @param string $parser
     *
     * @return string
     */
    public function parse(string $parser):string
    {
        $url = input()->get('url')->value;

        if (!isValidUrl($url, getenv('API_HOSTNAME'))) {
            return response()
                ->httpCode(400)
                ->json(['error' => 'Invalid URL']);
        }

        $parsers = [
            'graby' => 'graby',
            'opengraph' => 'opengraph',
        ];

        if (!isset($parsers[$parser])) {
            return response()
                ->httpCode(400)
                ->json(['error' => 'Invalid parser']);
        }

        try {
            $result = call_user_func_array($parsers[$parser], [$url]);

            return response()
                ->httpCode(200)
                ->json($result);
        } catch (\Exception $e) {
            return response()
                ->httpCode(500)
                ->json(['error' => $e->getMessage()]);
        }
    }
}