<?php


header('Content-Type: application/json');

$db = new SQLite3('database.db');

$jsonData = file_get_contents('php://input');
$data = json_decode($jsonData, true);
$action = $data['action'];

switch ($action) {
	case 'check-maintainencemode':
		echo checkMaintenanceMode();
		break;

	case 'get_advertisemnt_status':
		echo getAdvertisementStatus();
		break;
		
	case 'get-advertisement':
		echo getadvertisement();
		break;

	case 'add-device':
		echo addDevice($data);
		break;

	case 'addreport':
		echo addReport($data);
		break;

	case 'addclientfeedback':
		echo addClientFeedback($data);
		break;

	case 'get-announcements':
		echo getAnnouncement($data);
		break;

	case 'get-ovpnzip':
		echo getovpnzip();
		break;

	default:
		echo json_encode(['result' => 'error', 'message' => 'Invalid action']);
		break;
}


function getovpnzip() {
	if (!empty($_SERVER['HTTPS'])) {$proto = 'https';}else{$proto = 'http';}
	$current = "$proto://".$_SERVER['HTTP_HOST'] . substr($_SERVER['REQUEST_URI'], 0, strrpos($_SERVER['REQUEST_URI'], "/"));
	echo '{"result":"success","sc":"fa059e4a456aec6e165fbe25085151c4","message":"Data retrieved successfully","vpnstatus":"on","link":"'.$current.'/vpn.php'.'"}';

}

function checkMaintenanceMode() {
	global $db;

	$result = $db->querySingle("SELECT title, body, mode FROM maintenance WHERE id=1", true);
	$sc = generateRandomSC();
	$response = [
		"result" => "success",
		"sc" => $sc,
		"maintenancemode" => $result['mode'] ?? 'off',
		"message" => $result['title'] ?? '',
		"footercontent" => $result['body'] ?? ''
	];

	return json_encode($response);
}

function getAdvertisementStatus() {
	global $db;
	
	$result = $db->querySingle("SELECT status, viewable_rate, message FROM advertisement WHERE id=1", true);
	$sc = generateRandomSC();
	$response = [
		"result" => "success",
		"sc" => $sc,
		"add_status" => '1',
		"add_viewable_rate" => '1',
		"message" => 'seccuesssssssss'
	];
	
	return json_encode($response);

}

function getadvertisement() {
  global $db;
  $result = $db->querySingle("SELECT title, text FROM advertisement WHERE id=1", true);

  $response = json_encode([
    "result" => "success",
    "sc" => "95f052a144084c2ddf005edc0f2f55ca",
    "message" => "advertisement data",
    "totalrecords" => 1,
    "timeinterval" => "",
    "data" => [
      [
        "id" => rand(10, 99),
        "title" => $result['title'],
        "type" => "message",
        "pages" => "dashboard",
        "position" => "bottom",
        "schedule_type" => "alltime",
        "number" => "",
        "redirect_link" => "",
        "custom_recc" => "",
        "text" => $result['text']
      ]
    ]
  ]);

  return $response;
}


function addDevice($data) {
	global $db;

	$deviceid = $data['deviceid'] ?? '';
	$deviceusername = $data['deviceusername'] ?? '';
	$date = $data['d'] ?? '';

	$stmt = $db->prepare("INSERT OR REPLACE INTO devices(deviceid, deviceusername, added_on) VALUES (?, ?, ?)");
	$stmt->bindParam(1, $deviceid);
	$stmt->bindParam(2, $deviceusername);
	$stmt->bindParam(3, $date);
	$stmt->execute();
	$sc = generateRandomSC();
	$response = [
		"result" => "success",
		"sc" => $sc,
		"message" => "Details Updated Successfully"
	];

	return json_encode($response);
}

function addReport($data) {
	global $db;

	$stmt = $db->prepare("INSERT INTO reports (username, macaddress, section, section_category, report_title, report_sub_title, report_cases, report_custom_message, stream_name, stream_id) VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?)");

	if (!$stmt) {
		logError($db->lastErrorMsg());
		return json_encode(['result' => 'error', 'message' => 'Database error']);
	}
	$stmt->bindParam(1, $data['username']);
	$stmt->bindParam(2, $data['macaddress']);
	$stmt->bindParam(3, $data['section']);
	$stmt->bindParam(4, $data['section_category']);
	$stmt->bindParam(5, $data['report_title']);
	$stmt->bindParam(6, $data['report_sub_title']);
	$stmt->bindParam(7, $data['report_cases']);
	$stmt->bindParam(8, $data['report_custom_message']);
	$stmt->bindParam(9, $data['stream_name']);
	$stmt->bindParam(10, $data['stream_id']);

	if (!$stmt->execute()) {
		logError($db->lastErrorMsg());
		return json_encode(['result' => 'error', 'message' => 'Failed to add report']);
	}

	$sc = generateRandomSC();
	return json_encode([
		"result" => "success",
		"sc" => $sc,
		"message" => "Report added successfully"
	]);
}
function addClientFeedback($data) {
	global $db;

	$stmt = $db->prepare("INSERT INTO feedback (username, macaddress, feedback_content) VALUES (?, ?, ?)");

	$stmt->bindParam(1, $data['username']);
	$stmt->bindParam(2, $data['macaddress']);
	$stmt->bindParam(3, $data['feedback']);

	$stmt->execute();

	$response = [
		"result" => "success",
		"message" => "Feedback sent successfully!"
	];

	return json_encode($response);
}

function getAnnouncement($data) {
	global $db;
	
	$announcements = [];
	$result = $db->query("SELECT * FROM announcements ORDER BY created_on DESC");
	if (!$result) {
		die(json_encode(['error' => $db->lastErrorMsg()]));
	}	 while ($row = $result->fetchArray(SQLITE3_ASSOC)) {
		$announcements[] = $row;
	}
	
	$responseData = [];
	foreach ($announcements as $announcement) {
		$stmt = $db->prepare("SELECT 1 FROM announcement_views WHERE announcement_id = ? AND deviceid = ?");
		$stmt->bindParam(1, $announcement['id']);
		$stmt->bindParam(2, $data['deviceid']);
		$res = $stmt->execute();
		$seen = $res->fetchArray(SQLITE3_ASSOC) ? 1 : 0;
	
		if ($seen === 0) {
			$stmt = $db->prepare("INSERT INTO announcement_views (announcement_id, deviceid) VALUES (?, ?)");
			$stmt->bindParam(1, $announcement['id']);
			$stmt->bindParam(2, $data['deviceid']);
			$stmt->execute();
		}
	
		$announcement['seen'] = $seen;
		$responseData[] = $announcement;
	}
	
	$sc = generateRandomSC();
	
	return json_encode([
		"result" => "success",
		"sc" => $sc,
		"message" => count($responseData) ? "Announcements fetched" : "No announcements",
		"totalrecords" => count($responseData),
		"data" => $responseData
	]);

}

function generateRandomSC() {
	$randomBytes = random_bytes(16); // Generate 16 random bytes
	return bin2hex($randomBytes); // Convert the random bytes to a hexadecimal string
}

function logError($errorMessage) {
	$date = date('Y-m-d H:i:s');
	$message = "[{$date}] {$errorMessage}\n";

	// Append the error to the log file
	file_put_contents('errors.log', $message, FILE_APPEND);
}

?>