<?php
/**
 * Created by PhpStorm.
 * User: whwyy
 * Date: 2018/4/26 0026
 * Time: 10:00
 */
declare(strict_types=1);

namespace Kiri\Error;

use Closure;
use Exception;
use Kiri;
use Kiri\Abstracts\Component;
use Psr\Container\ContainerExceptionInterface;
use Psr\Container\ContainerInterface;
use Psr\Container\NotFoundExceptionInterface;
use ReflectionException;
use Kiri\Events\OnSystemError;

/**
 * Class ErrorHandler
 *
 * @package Kiri\Base
 * @property-read $asError
 */
class ErrorHandler extends Component implements ErrorInterface
{

    /**
     * @var string
     */
    public string $category = 'app';


    /**
     * @param ContainerInterface $container
     */
    public function __construct(public ContainerInterface $container)
    {
        parent::__construct();
    }


    /**
     * @param array|Closure|null $callback
     * @return void
     * @throws
     */
    public function registerExceptionHandler(null|array|Closure $callback): void
    {
        if (empty($callback)) {
            $callback = [$this, 'exceptionHandler'];
        } else if (is_array($callback) && is_string($callback[0])) {
            $callback[0] = $this->container->get($callback[0]);
        }
        set_exception_handler($callback);
    }


    /**
     * @param array|Closure|null $callback
     * @return void
     * @throws
     */
    public function registerErrorHandler(null|array|Closure $callback): void
    {
        if (empty($callback)) {
            $callback = [$this, 'errorHandler'];
        } else if (is_array($callback) && is_string($callback[0])) {
            $callback[0] = $this->container->get($callback[0]);
        }
        set_error_handler($callback);
    }


    /**
     * @param array|Closure|null $callback
     * @return void
     * @throws
     */
    public function registerShutdownHandler(null|array|Closure $callback): void
    {
        if (empty($callback)) {
            $callback = [$this, 'shutdown'];
        } else if (is_array($callback) && is_string($callback[0])) {
            $callback[0] = $this->container->get($callback[0]);
        }
        register_shutdown_function($callback);
    }


    /**
     * @return void
     * @throws ContainerExceptionInterface
     * @throws NotFoundExceptionInterface
     * @throws ReflectionException
     * @throws Exception
     */
    public function shutdown(): void
    {
        $lastError = error_get_last();
        if (empty($lastError) || $lastError['type'] !== E_ERROR) {
            return;
        }
        trigger_print_error($lastError['message']);
        event(new OnSystemError());
    }


    /**
     * @param \Throwable $exception
     *
     * @throws ContainerExceptionInterface
     * @throws NotFoundExceptionInterface
     * @throws Exception
     */
    public function exceptionHandler(\Throwable $exception): void
    {
        $this->category = 'exception';

        trigger_print_error($exception);

        event(new OnSystemError());
    }


    /**
     * @throws ContainerExceptionInterface
     * @throws NotFoundExceptionInterface
     * @throws ReflectionException
     */
    public function errorHandler()
    {
        var_dump(func_get_args());

        event(new OnSystemError());

        debug_print_backtrace(DEBUG_BACKTRACE_PROVIDE_OBJECT);
    }
}