<?php

namespace App\Actions\Interview;

use App\Models\Interview;
use Illuminate\Http\UploadedFile;

class StoreRecordingChunkAction
{
    /**
     * Store an individual video recording chunk in a temporary session directory.
     *
     * @param Interview $interview
     * @param string $sessionId
     * @param int $chunkIndex
     * @param UploadedFile $file
     * @return string
     */
    public function execute(Interview $interview, string $sessionId, int $chunkIndex, UploadedFile $file): string
    {
        $safeSessionId = preg_replace('/[^a-zA-Z0-9_\-]/', '', $sessionId);
        $tempBase = config('interview.recordings.temp_folder', 'app/temp_recordings');
        $tempDir = storage_path(trim($tempBase, '/') . '/' . $safeSessionId);

        if (!file_exists($tempDir)) {
            mkdir($tempDir, 0777, true);
        }

        $partName = sprintf('part_%06d.webm', $chunkIndex);
        $file->move($tempDir, $partName);

        return $tempDir . DIRECTORY_SEPARATOR . $partName;
    }
}