<?php

namespace Negundo\Client\Util;

use Negundo\Client\DataInterface;

class DumpHandler {

    public /*DataInterface*/ $dataManipulator;

    public function __construct(DataInterface $dataManipulator = null)
    {
        $this->dataManipulator = $dataManipulator;
    }

    public function dumpData(...$content) : array
    {
        $backtrace = debug_backtrace(\DEBUG_BACKTRACE_IGNORE_ARGS);
        array_shift($backtrace);
        array_shift($backtrace);
        
        $trace = $backtrace[0] ?? [
            "line" => -1,
            "file" => "unknown",
        ];
        
        $message = ( new SourceCodeFormatter() )->generateFromFile($trace['file'] === "unknown" ? "" : $trace['file'], $trace['line'] - 1, 1);
        
        $post = [
            'file' => $trace['file'],
            'line' => $trace['line'],
            'title' => substr(strip_tags(trim(str_replace(['&nbsp;'], [''], $message))), 0, 255),
            'url' => ( ( 'on' === ($_SERVER['HTTPS'] ?? false) ) ? 'https' : 'http' ) . '://' . ( $_SERVER['HTTP_HOST'] ?? "") . ( $_SERVER["REQUEST_URI"] ?? "" ),
            'backtrace' => json_encode($backtrace),
            'source' => ( new SourceCodeFormatter() )->generateFromFile($trace['file'] === "unknown" ? "" : $trace['file'], $trace['line']),
            'data' => [
                'content' => $this->extractDumpContent(...$content),
                'sent_at' => date('Y-m-d H:i:s'),
                'user_agent' => $_SERVER['HTTP_USER_AGENT'] ?? null,
                'request_body' => json_encode($_POST),
                'remote_addr' => $_SERVER['REMOTE_ADDR'] ?? null,
            ],
        ];

        if ( $this->dataManipulator ?? false ) {
            $post['data'] += $this->dataManipulator->getData();

            $this->dataManipulator->run($post);
        }

        $post['data'] = json_encode($post['data'] ?? null);

        return $post;
    }
    
    protected function extractDumpContent(...$content) : string
    {
        ob_start();
        
        var_dump( ...( $content !== [] ? $content : [null] ) );
        
        return ob_get_clean();
    }
    
    public function hash(array $content) : string 
    {
        return md5(implode('-', [ $content['file'], $content['line'], $content['title'] ]));
    }
}