<?php

namespace App\Services\Machine;

use App\Models\Machine\Machine;
use App\Models\Machine\MachineLog;
use Illuminate\Support\Facades\Log;

class MachineService
{
    /**
     * 處理機台日誌寫入與狀態更新
     */
    public function recordLog(int $machineId, array $data): MachineLog
    {
        $machine = Machine::findOrFail($machineId);

        // 建立日誌紀錄
        $log = $machine->logs()->create([
            'level' => $data['level'] ?? 'info',
            'message' => $data['message'],
            'context' => $data['context'] ?? null,
        ]);

        // 同步更新機台最後活耀時間與狀態
        $machine->update([
            'last_heartbeat_at' => now(),
            'status' => $this->resolveStatus($data),
        ]);

        return $log;
    }

    /**
     * 根據日誌內容判斷機台是否應標記成錯誤
     */
    protected function resolveStatus(array $data): string
    {
        if (isset($data['level']) && $data['level'] === 'error') {
            return 'error';
        }

        return 'online';
    }
}