<?php

namespace WizdomNetworks\WizeWeb\Utils;

/**
 * Error Handler Utility
 * 
 * A utility for handling errors and exceptions globally.
 * 
 * Automatically logs errors and exceptions using the Logger utility and displays generic error messages to users.
 */
class ErrorHandler
{
    /**
     * Registers the custom error and exception handlers.
     */
    public static function register(): void
    {
        set_error_handler([self::class, 'handleError']);
        set_exception_handler([self::class, 'handleException']);
        Logger::info("ErrorHandler registered successfully.");
    }

    /**
     * Custom error handler.
     * 
     * Logs the error details and displays a generic error message.
     * 
     * @param int $errno The error level.
     * @param string $errstr The error message.
     * @param string $errfile The file where the error occurred.
     * @param int $errline The line number where the error occurred.
     */
    public static function handleError(int $errno, string $errstr, string $errfile, int $errline): void
    {
        $message = "Error [$errno]: $errstr in $errfile on line $errline";
        Logger::error($message);
        http_response_code(500);
        echo "An internal error occurred. Please try again later.";
        exit;
    }

    /**
     * Custom exception handler.
     * 
     * Logs the exception details and displays a generic error message.
     * 
     * @param \Throwable $exception The exception object.
     */
    public static function handleException(\Throwable $exception): void
    {
        $message = "Exception: " . $exception->getMessage() . " in " . $exception->getFile() . " on line " . $exception->getLine();
        Logger::error($message);
        http_response_code(500);
        echo "An internal error occurred. Please try again later.";
        exit;
    }
}