<?php
declare(strict_types=1);

namespace App\Framework\ExceptionHandling;

/**
 * Manages global exception, error, and shutdown handlers
 *
 * Supports early registration with basic handlers before Discovery,
 * and replacement with full handlers after Discovery.
 */
final readonly class ExceptionHandlerManager
{
    public function __construct(
        private ErrorHandlerInterface $errorHandler,
        private ExceptionHandler $exceptionHandler,
        private ShutdownHandlerInterface $shutdownHandler
    ) {
        $this->registerErrorHandler($this->errorHandler);
        $this->registerExceptionHandler($this->exceptionHandler);
        $this->registerShutdownHandler($this->shutdownHandler);
    }

    /**
     * Create ExceptionHandlerManager with basic handlers for early registration
     *
     * This factory method creates a manager with minimal handlers that don't
     * require full dependencies. Useful for registering handlers before Discovery.
     */
    public static function createWithBasicHandlers(): self
    {
        return new self(
            new BasicErrorHandler(),
            new BasicGlobalExceptionHandler(),
            new BasicShutdownHandler()
        );
    }

    public function registerExceptionHandler(ExceptionHandler $handler): void
    {
        set_exception_handler($handler->handle(...));
    }

    private function registerErrorHandler(ErrorHandlerInterface $handler): void
    {
        set_error_handler($handler->handle(...), E_ALL);
    }

    public function registerShutdownHandler(ShutdownHandlerInterface $handler): void
    {
        register_shutdown_function($handler->handle(...));
    }
}