scoreManager.cs

using System;
using System.Threading.Tasks;
using UnityEngine;
using UnityEngine.Networking;
using System.Text;

public static class ScoreManager
{
    private const string SERVER_URL = "localhost:80/new_sql";
    private const string SAVE_SCORE_URL = "update_score.php";
    private const int REQUEST_TIMEOUT = 100;

    public static async Task<(bool success, string message, ScoreResultData data)> SaveScore(float completionTime, string difficulty)
    {
        // Check if user is logged in
        if (!SQLManager.IsLoggedIn)
        {
            return (false, "User not logged in", null);
        }

        // Create the data object to send
        var scoreData = new ScoreData
        {
            username = SQLManager.CurrentUsername,
            completionTime = completionTime,
            difficulty = difficulty
        };

        try
        {
            var result = await SendJsonRequest($"{SERVER_URL}/{SAVE_SCORE_URL}", scoreData);
            return result;
        }
        catch (Exception ex)
        {
            return (false, $"Error: {ex.Message}", null);
        }
    }

    private static async Task<(bool success, string message, ScoreResultData data)> SendJsonRequest(string url, object data)
    {
        // Serialize the data object to JSON
        string jsonData = JsonUtility.ToJson(data);

        using (UnityWebRequest req = new UnityWebRequest(url, "POST"))
        {

            byte[] bodyRaw = Encoding.UTF8.GetBytes(jsonData);
            req.uploadHandler = new UploadHandlerRaw(bodyRaw);
            req.downloadHandler = new DownloadHandlerBuffer();

            // Set content type header for JSON
            req.SetRequestHeader("Content-Type", "application/json");

            req.SendWebRequest();

            while (!req.isDone) await Task.Delay(REQUEST_TIMEOUT);


            if (req.result != UnityWebRequest.Result.Success)
            {
                return (false, req.error, null);
            }

            // Parse JSON response
            try
            {
                ScoreResponse response = JsonUtility.FromJson<ScoreResponse>(req.downloadHandler.text);

                if (response != null)
                {
                    if (response.success)
                    {
                        return (true, response.message ?? "Score processed successfully", response.data);
                    }
                    else
                    {
                        return (false, response.message ?? $"Error code: {response.error}", null);
                    }
                }
                else
                {
                    return (false, "Invalid server response format", null);
                }
            }
            catch
            {
                return (false, $"Error parsing response: {req.downloadHandler.text}", null);
            }
        }
    }
}

// Data structures for score submission
[System.Serializable]
public class ScoreData
{
    public string username;
    public float completionTime;
    public string difficulty;
}

[System.Serializable]
public class ScoreResponse
{
    public bool success;
    public int error;
    public string message;
    public ScoreResultData data;
}

[System.Serializable]
public class ScoreResultData
{
    public string username;
    public float completionTime;
    public float previousBest;
    public string difficulty;
    public bool improved;
    public float improvement;
    public bool firstTime;
}