using UnityEngine;
using UnityEngine.SceneManagement;
using TMPro;
using System.Collections;
using System.Text.RegularExpressions; // Add this for regex functionality

public class UserNameInput : MonoBehaviour
{
    [SerializeField] private TMP_InputField inputField;
    [SerializeField] private TextMeshProUGUI greetingText; // Add reference to the greeting text

    public void SavePlayerName()
    {
        // Get the inputted name
        string playerName = inputField.text;

        // Validate the username
        if (IsValidUserName(playerName))
        {
            // Display the greeting
            greetingText.text = "Welcome to ArcyRevenge " + playerName;

            // Save the player's name using PlayerPrefs
            PlayerPrefs.SetString("PlayerName", playerName);

            // Optionally, delay before loading the scene to show the greeting
            StartCoroutine(LoadSceneAfterDelay(2f)); // 2-second delay
        }
        else
        {
            // Display error message if the username is invalid
            greetingText.text = "Invalid username, try again.";
        }
    }

    private bool IsValidUserName(string userName)
    {
        // Check if the username length is greater than 10 characters
        if (userName.Length > 10)
        {
            return false;
        }

        // Check if the username contains any numbers
        if (Regex.IsMatch(userName, @"\d"))
        {
            return false;
        }

        // Username is valid
        return true;
    }

    private IEnumerator LoadSceneAfterDelay(float delay)
    {
        yield return new WaitForSeconds(delay);
        // Load the first scene
        SceneManager.LoadScene("Scene1");
    }
}