<?php

namespace app\net\parsers;


/**
 * 新版电流采集器报文解析器（长度38）
 */
class NewCurrentCollectorParser implements PacketParserInterface
{
    public function supports(string $hexString): bool
    {
        return strlen($hexString) === 38;
    }

    public function parse(string $hexString): array
    {
        $pattern = '/^BBBB([0-9A-F]{2})([0-9A-F]{2})([0-9A-F]{2})([0-9A-F]{2})([0-9A-F]{2})([0-9A-F]{2})([0-9A-F]{8})$/';
        
        if (preg_match($pattern, $hexString, $matches)) {
            return [
                'hexType' => 4,
                'isMatched' => true,
                'detectionDevice' => substr($hexString, 16, 2),
                'channel1' => substr($hexString, 24, 2),
            ];
        }
        
        return ['isMatched' => false];
    }
}