<?php

namespace App\Core;

/**
 * NovaCore Base Controller
 * All controllers should extend this class
 */
abstract class Controller
{
    protected Request $request;
    protected Response $response;
    protected View $view;
    protected Security $security;

    public function __construct()
    {
        $this->request = app('request');
        $this->response = app('response');
        $this->view = app('view');
        $this->security = app('security');
    }

    /**
     * Get request instance
     */
    protected function request(): Request
    {
        return $this->request;
    }

    /**
     * Get response instance
     */
    protected function response(): Response
    {
        return $this->response;
    }

    /**
     * Get underlying view engine instance
     */
    protected function viewEngine(): View
    {
        return $this->view;
    }

    /**
     * Get security instance
     */
    protected function security(): Security
    {
        return $this->security;
    }

    /**
     * Render a view
     */
    protected function view(string $view, array $data = []): string
    {
        return $this->view->render($view, $data);
    }

    /**
     * Return JSON response
     */
    protected function json(array $data, int $status = 200): Response
    {
        return $this->response->json($data, $status);
    }

    /**
     * Redirect to URL
     */
    protected function redirect(string $url, int $status = 302): void
    {
        $this->response->redirect($url, $status);
    }

    /**
     * Return error response
     */
    protected function error(string $message, int $status = 400): Response
    {
        return $this->response->json(['error' => $message], $status);
    }

    /**
     * Return success response
     */
    protected function success(array $data = [], string $message = 'Success'): Response
    {
        return $this->response->json([
            'success' => true,
            'message' => $message,
            'data' => $data
        ]);
    }

    /**
     * Validate request data
     */
    protected function validate(array $data, array $rules): array
    {
        $errors = [];

        foreach ($rules as $field => $rule) {
            $value = $data[$field] ?? null;

            if (str_contains($rule, 'required') && empty($value)) {
                $errors[$field] = "The {$field} field is required.";
            }

            if (str_contains($rule, 'email') && !filter_var($value, FILTER_VALIDATE_EMAIL)) {
                $errors[$field] = "The {$field} field must be a valid email address.";
            }

            if (str_contains($rule, 'min:') && strlen($value) < (int)substr($rule, 4)) {
                $min = substr($rule, 4);
                $errors[$field] = "The {$field} field must be at least {$min} characters.";
            }
        }

        return $errors;
    }
}