<?php
if(!defined("COMMON"))
    require ("/srv/sites/api.zontreck.com/Common.php");


// Get Database: timetrack
$DB = get_DB("timetrack");

// Get query information
$jsx = json_decode(file_get_contents("php://input"), true);

// Get operation information
// DISCLAIMER: All php code below this point is AI Generated
function create($DB, $jsx, $blank=false) {
    // Get UUID from MySQL and insert into sessions table
    $result = $DB->query("SELECT UUID() AS id");
    if (!$result) {
        http_response_code(500);
        echo json_encode(["error" => "Failed to generate UUID"]);
        break;
    }
    
    $row = $result->fetch_assoc();
    $sessionId = $row['id'];

    // Insert into `sessions` table
    $stmt = $DB->prepare("INSERT INTO `sessions` (`ID`, `timestamp`, 'version') VALUES (?, CURRENT_TIMESTAMP(), 0)");
    $stmt->bind_param("s", $sessionId);
    if (!$stmt->execute()) {
        http_response_code(500);
        echo json_encode(["error" => "Failed to insert into sessions"]);
        break;
    }
    $stmt->close();

    // Prepare data as JSON and insert into `data` table
    if($jsx['type'] == "json") {
        $data = json_encode($jsx['data']);
    }else if($jsx ['type'] == "nbt") {
        $data = base64_decode($jsx['data']);
    }

    $stmt = $DB->prepare("INSERT INTO `data` (`ID`, `SessionData`) VALUES (?, ?)");
    $null = NULL; // Required for bind_param with blob
    $stmt->bind_param("sb", $sessionId, $null); // Temporarily bind $null for blob

    // Send the actual blob content using send_long_data
    $stmt->send_long_data(1, $data); // Index 1 refers to the second "?" in bind_param
    if (!$stmt->execute()) {
        http_response_code(500);
        echo json_encode(["error" => "Failed to insert into data"]);
        break;
    }

    $stmt->close();

    return $sessionId;
}
switch($jsx['cmd']) {
    case "create": {
        $session = create($DB, $jsx, false);

        echo json_encode(["status" => "ok", "session" => $sessionId]);  
        break;
    }
    // Not AI Generated
    case "createv2": {
        $session = create($DB, $jsx, true);
        
        echo json_encode(["status" => "created", "session" => $sessionId]);
        break;
    }
    // Not AI Generated
    case "get_version": {
        $sessionId = $jsx['id'];
        $stmt = $DB->prepare("SELECT `version` FROM `sessions` WHERE `ID` = ?");
        $stmt->bind_param("s", $sessionId);
        $stmt->execute();
        $stmt->store_result();

        if($stmt->num_rows === 0) {
            http_response_code(418);
            echo json_encode({"error" => "Session not found"});
            $stmt->close();
            break;
        }
    
        $stmt->bind_result($version);
        $stmt->fetch();
        $stmt->close();

        echo json_encode({"status" => "version_back", "version" => $version});

        break;
    }
    case "get": {
        $sessionId = $jsx['id'];
    
        $stmt = $DB->prepare("SELECT `SessionData` FROM `data` WHERE `ID` = ?");
        $stmt->bind_param("s", $sessionId);
        $stmt->execute();
        $stmt->store_result();
    
        if ($stmt->num_rows === 0) {
            http_response_code(404);
            echo json_encode({"error" => "Session not found"});
            $stmt->close();
            break;
        }
    
        $stmt->bind_result($sessionData);
        $stmt->fetch();
        $stmt->close();
    
        // Decode the JSON blob (optional — if you want raw JSON output)
        $testDecoded = json_decode($sessionData, true);
        if(json_last_error() == JSON_ERROR_NONE) {

            header("Content-Type: application/json");
            die($sessionData);
        
        }else {
            header("Content-Type: application/nbt");
            die(base64_encode($sessionData));
            //die($sessionData);
        }
        break;
    }
}
?>