using UnityEngine;
using UnityEditor;
using UnityEngine.UI;
using TMPro;

public class TaskTimerSetup : EditorWindow
{
    private float taskDuration = 300f;
    private bool useTextMeshPro = true;
    private float canvasDistance = 2f;
    private Vector3 canvasPosition = new Vector3(0, 1.5f, 2f);

    [MenuItem("Tools/Setup Task Timer for VR")]
    public static void ShowWindow()
    {
        GetWindow<TaskTimerSetup>("Task Timer Setup");
    }

    private void OnGUI()
    {
        GUILayout.Label("Task Timer VR Setup", EditorStyles.boldLabel);
        GUILayout.Space(10);

        taskDuration = EditorGUILayout.FloatField("Task Duration (seconds)", taskDuration);
        useTextMeshPro = EditorGUILayout.Toggle("Use TextMeshPro", useTextMeshPro);
        canvasDistance = EditorGUILayout.FloatField("Distance from Camera", canvasDistance);
        canvasPosition = EditorGUILayout.Vector3Field("Canvas Position", canvasPosition);

        GUILayout.Space(10);

        if (GUILayout.Button("Create Task Timer UI", GUILayout.Height(30)))
        {
            CreateTaskTimerUI();
        }

        GUILayout.Space(10);
        EditorGUILayout.HelpBox(
            "This will create:\n" +
            "• World Space Canvas for VR\n" +
            "• Timer display (TextMeshPro or UI Text)\n" +
            "• TaskTimer script configured and ready\n\n" +
            "The timer will automatically switch to Lobby scene when time expires.",
            MessageType.Info);
    }

    private void CreateTaskTimerUI()
    {
        // Create Canvas
        GameObject canvasObj = new GameObject("TaskTimer_Canvas");
        Canvas canvas = canvasObj.AddComponent<Canvas>();
        canvas.renderMode = RenderMode.WorldSpace;
        
        CanvasScaler scaler = canvasObj.AddComponent<CanvasScaler>();
        scaler.dynamicPixelsPerUnit = 10;
        
        canvasObj.AddComponent<GraphicRaycaster>();

        // Set canvas transform for VR
        RectTransform canvasRect = canvasObj.GetComponent<RectTransform>();
        canvasRect.sizeDelta = new Vector2(400, 100);
        canvasRect.localScale = new Vector3(0.01f, 0.01f, 0.01f);
        canvasRect.position = canvasPosition;

        // Create Panel Background
        GameObject panelObj = new GameObject("Background_Panel");
        panelObj.transform.SetParent(canvasObj.transform, false);
        
        Image panelImage = panelObj.AddComponent<Image>();
        panelImage.color = new Color(0, 0, 0, 0.7f);
        
        RectTransform panelRect = panelObj.GetComponent<RectTransform>();
        panelRect.anchorMin = new Vector2(0, 0);
        panelRect.anchorMax = new Vector2(1, 1);
        panelRect.sizeDelta = Vector2.zero;

        // Create Timer Text
        GameObject textObj = new GameObject("Timer_Text");
        textObj.transform.SetParent(panelObj.transform, false);

        TaskTimer timerScript = canvasObj.AddComponent<TaskTimer>();
        timerScript.taskDuration = taskDuration;
        timerScript.autoStart = true;

        RectTransform textRect;
        
        if (useTextMeshPro)
        {
            TextMeshProUGUI tmpText = textObj.AddComponent<TextMeshProUGUI>();
            tmpText.text = "00:00";
            tmpText.fontSize = 60;
            tmpText.alignment = TextAlignmentOptions.Center;
            tmpText.color = Color.white;
            tmpText.font = Resources.Load<TMP_FontAsset>("Fonts & Materials/LiberationSans SDF");
            
            timerScript.timerTextTMP = tmpText;
            textRect = textObj.GetComponent<RectTransform>();
        }
        else
        {
            Text legacyText = textObj.AddComponent<Text>();
            legacyText.text = "00:00";
            legacyText.fontSize = 60;
            legacyText.alignment = TextAnchor.MiddleCenter;
            legacyText.color = Color.white;
            legacyText.font = Resources.GetBuiltinResource<Font>("Arial.ttf");
            
            timerScript.timerTextLegacy = legacyText;
            textRect = textObj.GetComponent<RectTransform>();
        }

        // Configure RectTransform after UI component is added
        textRect.anchorMin = new Vector2(0, 0);
        textRect.anchorMax = new Vector2(1, 1);
        textRect.sizeDelta = Vector2.zero;

        // Select the created object
        Selection.activeGameObject = canvasObj;
        
        Debug.Log("Task Timer UI created successfully! Configure position as needed for your VR setup.");
    }
}