<?php

include('config.inc.php');

$db = new PDO('mysql:host=' . $config['host'] . ';dbname=' . $config['database'], $config['dbuser'], $config['password'], [
    \PDO::ATTR_DEFAULT_FETCH_MODE => \PDO::FETCH_ASSOC,
    \PDO::MYSQL_ATTR_INIT_COMMAND => "SET NAMES 'utf8mb4'"
  ]);

if (isset($_FILES))
{
    $termIds = array(); // cmdid => id
    $paramTermId = isset($_GET['termId']) ? intval($_GET['termId']) : 0;
    
    $sql = "INSERT INTO mntn_uploads(term_id,`file_name`,`path`,`file_size`) VALUES(:termId,:fileName,:path,:fileSize)";
    $stmt = $db->prepare($sql);
    $stmt2 = null;

    foreach ($_FILES as $file)
    {
        $cmdid = '';
        $pos = strpos($file['name'], '_');
        if ($pos !== false)
        {
            $cmdid = substr($file['name'], 0, $pos);
        }

        $termId = $paramTermId;
        if ($termId === 0)
        {
            if (isset($termIds[$cmdid]))
            {
                $termId = $termIds[$cmdid];
            }
            else
            {
                if ($stmt2 == null)
                {
                    $sql = "SELECT `id` FROM terminals WHERE cmdid=:cmdid";
                    $stmt2 = $db->prepare($sql);
                }

                if ($stmt2->execute(array('cmdid' => $cmdid)))
                {
                    $row = $stmt2->fetch();
                    if ($row)
                    {
                        $termIds[$cmdid] = $row['id'];
                        $termId = $row['id'];
                    }
                }
            }
        }
        
        $fileName = date('Ymd') . '_' . uniqid('log_');
        $dest = $config['term_logs_root'] . $fileName;
        
        if (!move_uploaded_file($file['tmp_name'], $dest))
        {
            // error_log("move_uploaded_file failed: " . $dest);
            continue;
        }
        
        $res = $stmt->execute(array('termId' => $termId, 'fileName' => $file['name'], 'path' => $fileName, 'fileSize' => $file['size']));
        if (!$res)
        {
            // error_log(print_r($stmt->errorInfo(), true));
        }
    }
}

$result['code'] = 0;

header ('Content-type: application/json; charset=utf-8');
echo json_encode($result, JSON_UNESCAPED_UNICODE);