using UnityEngine;
using UnityEngine.UI;
using TMPro;

/// <summary>
/// Attach to a manager GameObject in host lobby.unity.
/// Reads radius from the "radius" slider/input and triggers CreateLobby.
/// Also wires the "vytvořit" button.
/// </summary>
public class HostLobbyUI : MonoBehaviour
{
    [Header("Optional refs (auto-found by name if null)")]
    public Slider radiusSlider;
    public TMP_InputField radiusInput;
    public Button createButton;

    void Start()
    {
        if (radiusSlider == null)
        {
            var go = GameObject.Find("radius");
            if (go != null) radiusSlider = go.GetComponent<Slider>();
        }
        if (radiusInput == null)
        {
            var go = GameObject.Find("radius");
            if (go != null) radiusInput = go.GetComponent<TMP_InputField>();
        }

        if (createButton == null)
        {
            // Try all name variants used by the Art team
            var go = GameObject.Find("stvo\u0159it")     // stvořit
                  ?? GameObject.Find("stvorit")
                  ?? GameObject.Find("vytvo\u0159it")    // vytvořit
                  ?? GameObject.Find("vytvorit");
            if (go != null)
            {
                createButton = go.GetComponent<Button>();
                // Disable the Art team's direct scene-changer so only our
                // wired OnCreateClicked fires (navigation is handled by
                // HandleCreateLobbyResponse after the server confirms).
                var sceneChanger = go.GetComponent<CudlikZmenaSceny>();
                if (sceneChanger != null) sceneChanger.enabled = false;
            }
        }

        if (createButton != null)
            createButton.onClick.AddListener(OnCreateClicked);
    }

    private void OnCreateClicked()
    {
        var gm = GameManager.Instance;
        if (gm == null) return;

        // Read radius from slider or input field
        if (radiusSlider != null)
            gm.pendingRadius = radiusSlider.value;
        else if (radiusInput != null && float.TryParse(radiusInput.text, out float r))
            gm.pendingRadius = r;

        gm.CreateLobbyButton();
    }
}