<?php
session_start();
require_once __DIR__ . '/../config.php';

function ensureXuiTableExists(PDO $pdo)
{
    try {
        $result = $pdo->query("SHOW TABLES LIKE 'x_ui'");
        if ($result === false || $result->rowCount() === 0) {
            $pdo->exec(
                "CREATE TABLE IF NOT EXISTS `x_ui` (" .
                "`codepanel` VARCHAR(100) NOT NULL," .
                "`setting` LONGTEXT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci NOT NULL," .
                "`protocol` VARCHAR(100) DEFAULT NULL," .
                "PRIMARY KEY (`codepanel`)" .
                ") ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci"
            );
        }
    } catch (PDOException $e) {
        error_log('Failed to ensure x_ui table: ' . $e->getMessage());
        throw $e;
    }
}

ensureXuiTableExists($pdo);

function synchronizeXuiPanels(PDO $pdo)
{
    try {
        $panels = $pdo->query("SELECT code_panel FROM marzban_panel");
        if ($panels !== false) {
            $insert = $pdo->prepare("INSERT INTO x_ui (codepanel, setting) VALUES (:codepanel, '{}') ON DUPLICATE KEY UPDATE codepanel = codepanel");
            while ($panel = $panels->fetch(PDO::FETCH_ASSOC)) {
                if (!empty($panel['code_panel'])) {
                    $insert->execute([':codepanel' => $panel['code_panel']]);
                }
            }
        }
    } catch (PDOException $e) {
        error_log('Failed to synchronize x_ui table with marzban_panel: ' . $e->getMessage());
        throw $e;
    }
}

synchronizeXuiPanels($pdo);

function update($table, $field, $newValue, $whereField = null, $whereValue = null) {
    global $pdo,$user;

    if ($whereField !== null) {
        $stmt = $pdo->prepare("SELECT $field FROM $table WHERE $whereField = ? FOR UPDATE");
        $stmt->execute([$whereValue]);
        $currentValue = $stmt->fetchColumn();
        $stmt = $pdo->prepare("UPDATE $table SET $field = ? WHERE $whereField = ?");
        $stmt->execute([$newValue, $whereValue]);
    } else {
        $stmt = $pdo->prepare("UPDATE $table SET $field = ?");
        $stmt->execute([$newValue]);
    }
    $date = date("Y-m-d");
    $logss = "{$table}_{$field}_{$newValue}_{$whereField}_{$whereValue}_{$user['step']}_$date";
    if($field != "message_count" || $field != "last_message_time"){
        file_put_contents('log.txt',"\n".$logss,FILE_APPEND);
    }
}

$query = $pdo->prepare("SELECT * FROM admin WHERE username=:username");
$query->bindParam("username", $_SESSION["user"], PDO::PARAM_STR);
$query->execute();
$result = $query->fetch(PDO::FETCH_ASSOC);

$query = $pdo->prepare("SELECT code_panel, name_panel FROM marzban_panel ORDER BY name_panel");
$query->execute();
$resultpanel = $query->fetchAll(PDO::FETCH_ASSOC);

if( !isset($_SESSION["user"]) || !$result ){
    header('Location: login.php');
    return;
}

$action = $_GET['action'] ?? '';
$selectedPanelCode = '';
$settingsValue = '';

if ($action === 'save' && $_SERVER['REQUEST_METHOD'] === 'POST'){
    $selectedPanelCode = $_POST['namepanel'] ?? '';
    $settingsValue = $_POST['settings'] ?? '';
    if ($selectedPanelCode !== '') {
        $stmt = $pdo->prepare("SELECT 1 FROM x_ui WHERE codepanel = :codepanel");
        $stmt->execute([':codepanel' => $selectedPanelCode]);
        if ($stmt->fetchColumn() === false) {
            $insert = $pdo->prepare("INSERT INTO x_ui (codepanel, setting) VALUES (:codepanel, :setting)");
            $insert->execute([
                ':codepanel' => $selectedPanelCode,
                ':setting' => $settingsValue
            ]);
        } else {
            $updateStmt = $pdo->prepare("UPDATE x_ui SET setting = :setting WHERE codepanel = :codepanel");
            $updateStmt->execute([
                ':setting' => $settingsValue,
                ':codepanel' => $selectedPanelCode
            ]);
        }
    }
    header('Location: seeting_x_ui.php');
    exit;
}

if ($action === 'change' && $_SERVER['REQUEST_METHOD'] === 'POST') {
    $selectedPanelCode = $_POST['namepanel'] ?? '';
}

$sanitizedPanelCode = htmlspecialchars($selectedPanelCode, ENT_QUOTES, 'UTF-8');

if ($action === 'change' && $selectedPanelCode !== '') {
    $stmt = $pdo->prepare("SELECT setting FROM x_ui WHERE codepanel=:codepanel");
    $stmt->execute([':codepanel' => $selectedPanelCode]);
    $getsetting = $stmt->fetch(PDO::FETCH_ASSOC);
    if ($getsetting && isset($getsetting['setting'])) {
        $decoded = json_decode($getsetting['setting'], true);
        if (json_last_error() === JSON_ERROR_NONE) {
            $settingsValue = json_encode($decoded, JSON_PRETTY_PRINT | JSON_UNESCAPED_UNICODE);
        } else {
            $settingsValue = $getsetting['setting'];
        }
    }
}

$settingsValueForTextarea = htmlspecialchars($settingsValue, ENT_NOQUOTES, 'UTF-8');
?>
<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="utf-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta name="description" content="">
    <meta name="author" content="Mosaddek">
    <meta name="keyword" content="FlatLab, Dashboard, Bootstrap, Admin, Template, Theme, Responsive, Fluid, Retina">
    <link rel="shortcut icon" href="img/favicon.html">

    <title>پنل مدیریت ربات Vps-pllus</title>

    <!-- Bootstrap core CSS -->
    <link href="css/bootstrap.min.css" rel="stylesheet">
    <link href="css/bootstrap-reset.css" rel="stylesheet">
    <!--external css-->
    <link href="assets/font-awesome/css/font-awesome.css" rel="stylesheet" />
    <link href="assets/jquery-easy-pie-chart/jquery.easy-pie-chart.css" rel="stylesheet" type="text/css" media="screen"/>
    <link rel="stylesheet" href="css/owl.carousel.css" type="text/css">
    <!-- Custom styles for this template -->
    <link href="css/style.css" rel="stylesheet">
    <link href="css/style-responsive.css" rel="stylesheet" />

    <!-- HTML5 shim and Respond.js IE8 support of HTML5 tooltipss and media queries -->
    <!--[if lt IE 9]>
      <script src="js/html5shiv.js"></script>
      <script src="js/respond.min.js"></script>
    <![endif]-->
  </head>

  <body>

  <section id="container" class="">
  <?php include("header.php");
?>
        <!--main content start-->
        <section id="main-content">
            <section class="wrapper">
                <!-- page start-->
                <div class="row">
                    <aside class="col-lg-12">
                    <?php
                        if($action != "change"){?>
                            <section class="panel">
                            <div class="panel-body bio-graph-info">
                                <h1>در این صفحه می توانید تعیین کنید  چه تنظیمات برای کانفیگ ساخته شود در پنل x-ui</h1>
                                <form class="form-horizontal" role="form" method = "POST" action = "seeting_x_ui.php?action=change">
                                    <div class="form-group">
                                        <label class="col-lg-2 control-label">نام پنل</label>
                                        <div class="col-lg-7">
                                            <select required style ="padding:0;" name = "namepanel" class="form-control input-sm m-bot15">
                                                  <option value="">انتخاب نشده</option>
                                                <?php
                                                if(!empty($resultpanel)){
                                                foreach($resultpanel as $panel){
                                                $optionValue = htmlspecialchars($panel['code_panel'], ENT_QUOTES, 'UTF-8');
                                                $optionLabel = htmlspecialchars($panel['name_panel'], ENT_QUOTES, 'UTF-8');
                                                $isSelected = $panel['code_panel'] === $selectedPanelCode ? ' selected' : '';
                                                echo "<option value = \"{$optionValue}\"{$isSelected}>{$optionLabel}</option>";
                                                }
                                                }
                                                ?>
                                            </select>
                                        </div>
                                    </div>
                                    </div>

                                    <div class="form-group">
                                            <button type="submit" class="btn btn-success">تغییر تنظیمات</button>
                                    </div>
                                </form>
                            </div>
                        </section>
                        <?php
                        }
                        ?>
                        <?php
                        if($action == "change"){?>
                        <section class="panel">
                            <div class="panel-body bio-graph-info">
                                <h1>در این صفحه می توانید تعیین کنید  چه تنظیمات برای کانفیگ ساخته شود در پنل x-ui</h1>
                                <label class="col-lg-2 control-label">تنظیمات آماده</label>
                                <select style = 'width:400px; margin-bottom:10px' id="mySelect" onchange="updateTextarea()">
                                    <option value="">انتخاب کنید...</option>
                                    <option value="tcp_http">tcp + http</option>
                                    <option value="ws_tls">ws + tls</option>
                                    <option value="گزینه ۳">گزینه ۳</option>
</select>
                                <form class="form-horizontal" role="form" method = "POST" action = "seeting_x_ui.php?action=save">
                                    <div class="form-group">
                                        <label class="col-lg-2 control-label">تنظیمات</label>
                                        <div class="col-lg-10">
                                            <textarea id="settings" style = "direction:ltr;" name="settings" class="form-control" cols="50" rows="25"><?php echo $settingsValueForTextarea; ?></textarea>
                                           <input name = "namepanel" type= "hidden" value = "<?php echo $sanitizedPanelCode?>">
                                        </div>
                                    </div>
                                    </div>

                                    <div class="form-group">
                                        <div class="col-lg-offset-2 col-lg-10">
                                            <button type="submit" class="btn btn-success">ذخیره</button>
                                        </div>
                                    </div>
                                </form>
                            </div>
                        </section>
                        <?php
                        }
                        ?>
                    </aside>
                </div>

                <!-- page end-->
            </section>
        </section>
        <!--main content end-->
    </section>

    <!-- js placed at the end of the document so the pages load faster -->
    <script src="js/jquery.js"></script>
    <script src="js/bootstrap.min.js"></script>
    <script src="js/jquery.scrollTo.min.js"></script>
    <script src="js/jquery.nicescroll.js" type="text/javascript"></script>
    <script src="assets/jquery-knob/js/jquery.knob.js"></script>

    <!--common script for all pages-->
    <script src="js/common-scripts.js"></script>
</select>

<script>
  function updateTextarea() {
    var selectElement = document.getElementById("mySelect");
    var textareaElement = document.getElementById("settings");
    var selectedOption = selectElement.options[selectElement.selectedIndex].value;
    if (selectedOption === "tcp_http") {
        selectedOption = `{
  "network": "tcp",
  "security": "none",
  "externalProxy": [],
  "tcpSettings": {
    "acceptProxyProtocol": false,
    "header": {
      "type": "http",
      "request": {
        "version": "1.1",
        "method": "GET",
        "path": [
          "/"
        ],
        "headers": {
          "host": [
            "zula.ir"
          ]
        }
      },
      "response": {
        "version": "1.1",
        "status": "200",
        "reason": "OK",
        "headers": {}
      }
    }
  }
}`;
    } else if (selectedOption == "") {
        selectedOption =  '{
  "network": "ws",
  "security": "none",
  "externalProxy": [],
  "wsSettings": {
    "acceptProxyProtocol": false,
    "path": "/",
    "host": "",
    "headers": {}
  }
}';
}   
 else if (selectedOption == "ws_tls") {
        selectedOption = `{
  "network": "ws",
  "security": "tls",
  "externalProxy": [],
  "tlsSettings": {
    "serverName": "sni.com",
    "minVersion": "1.2",
    "maxVersion": "1.3",
    "cipherSuites": "",
    "rejectUnknownSni": true,
    "certificates": [
      {
        "certificateFile": "",
        "keyFile": "",
        "ocspStapling": 3600
      }
    ],
    "alpn": [
      "h2",
      "http/1.1"
    ],
    "settings": {
      "allowInsecure": true,
      "fingerprint": ""
    }
  },
  "wsSettings": {
    "acceptProxyProtocol": false,
    "path": "/",
    "headers": {}
  }
}`;
}   

    textareaElement.value = selectedOption;
  }
</script>

</body>
</html>
