using UnityEngine;
using UnityEditor;

namespace Northbound.Editor
{
    /// <summary>
    /// Editor utility to add FogOfWarVisibility to all obstacles and buildings
    /// </summary>
    public static class FogOfWarVisibilitySetup
    {
        [MenuItem("Tools/Fog of War/Add Visibility to All Obstacles")]
        public static void AddVisibilityToObstacles()
        {
            string[] obstaclePaths = new string[]
            {
                "Assets/Prefabs/Obstacles/Rock1.prefab",
                "Assets/Prefabs/Obstacles/Rock2.prefab",
                "Assets/Prefabs/Obstacles/Rock3.prefab",
                "Assets/Prefabs/Obstacles/Tree1.prefab",
                "Assets/Prefabs/Obstacles/Tree2.prefab"
            };

            int count = 0;
            foreach (string path in obstaclePaths)
            {
                GameObject prefab = AssetDatabase.LoadAssetAtPath<GameObject>(path);
                if (prefab != null)
                {
                    // Check if already has component
                    if (prefab.GetComponent<FogOfWarVisibility>() == null)
                    {
                        // Add component
                        var visibility = prefab.AddComponent<FogOfWarVisibility>();
                        visibility.showInExploredAreas = false; // Hide obstacles when not visible
                        visibility.updateInterval = 0.2f;

                        EditorUtility.SetDirty(prefab);
                        count++;
                        Debug.Log($"Added FogOfWarVisibility to {prefab.name}");
                    }
                    else
                    {
                        Debug.Log($"{prefab.name} already has FogOfWarVisibility");
                    }
                }
                else
                {
                    Debug.LogWarning($"Could not find prefab at {path}");
                }
            }

            AssetDatabase.SaveAssets();
            AssetDatabase.Refresh();

            Debug.Log($"<color=green>FogOfWarVisibility added to {count} obstacle prefabs!</color>");
        }

        [MenuItem("Tools/Fog of War/Add Visibility to All Buildings")]
        public static void AddVisibilityToBuildings()
        {
            // Find all Building prefabs
            string[] guids = AssetDatabase.FindAssets("t:Prefab", new[] { "Assets/Prefabs" });

            int count = 0;
            foreach (string guid in guids)
            {
                string path = AssetDatabase.GUIDToAssetPath(guid);
                GameObject prefab = AssetDatabase.LoadAssetAtPath<GameObject>(path);

                if (prefab != null && prefab.GetComponent<Building>() != null)
                {
                    // Check if already has component
                    if (prefab.GetComponent<FogOfWarVisibility>() == null)
                    {
                        var visibility = prefab.AddComponent<FogOfWarVisibility>();
                        visibility.showInExploredAreas = true; // Show buildings in explored areas (greyed out)
                        visibility.updateInterval = 0.2f;

                        EditorUtility.SetDirty(prefab);
                        count++;
                        Debug.Log($"Added FogOfWarVisibility to building: {prefab.name}");
                    }
                }
            }

            AssetDatabase.SaveAssets();
            AssetDatabase.Refresh();

            Debug.Log($"<color=green>FogOfWarVisibility added to {count} building prefabs!</color>");
        }

        [MenuItem("Tools/Fog of War/Add Visibility to Scene Obstacles")]
        public static void AddVisibilityToSceneObstacles()
        {
            GameObject[] allObjects = GameObject.FindObjectsByType<GameObject>(FindObjectsSortMode.None);
            int count = 0;

            foreach (GameObject obj in allObjects)
            {
                // Skip if it's a prefab instance - those will be handled by prefab updates
                if (PrefabUtility.IsPartOfPrefabInstance(obj))
                    continue;

                // Check if it has renderers but no FogOfWarVisibility
                if (obj.GetComponent<Renderer>() != null && obj.GetComponent<FogOfWarVisibility>() == null)
                {
                    // Check if it's an obstacle (has MeshCollider and no other components)
                    if (obj.name.Contains("Rock") || obj.name.Contains("Tree") || obj.name.Contains("Obstacle"))
                    {
                        var visibility = obj.AddComponent<FogOfWarVisibility>();
                        visibility.showInExploredAreas = false;
                        visibility.updateInterval = 0.2f;

                        EditorUtility.SetDirty(obj);
                        count++;
                        Debug.Log($"Added FogOfWarVisibility to scene object: {obj.name}");
                    }
                }
            }

            Debug.Log($"<color=green>FogOfWarVisibility added to {count} scene objects!</color>");
        }

        [MenuItem("Tools/Fog of War/Remove Visibility from All")]
        public static void RemoveVisibilityFromAll()
        {
            if (!EditorUtility.DisplayDialog("Remove FogOfWarVisibility",
                "This will remove FogOfWarVisibility from all prefabs and scene objects. Continue?",
                "Yes", "Cancel"))
            {
                return;
            }

            // Remove from prefabs
            string[] guids = AssetDatabase.FindAssets("t:Prefab", new[] { "Assets/Prefabs" });
            int prefabCount = 0;

            foreach (string guid in guids)
            {
                string path = AssetDatabase.GUIDToAssetPath(guid);
                GameObject prefab = AssetDatabase.LoadAssetAtPath<GameObject>(path);

                if (prefab != null)
                {
                    var visibility = prefab.GetComponent<FogOfWarVisibility>();
                    if (visibility != null)
                    {
                        Object.DestroyImmediate(visibility, true);
                        EditorUtility.SetDirty(prefab);
                        prefabCount++;
                    }
                }
            }

            // Remove from scene objects
            FogOfWarVisibility[] sceneComponents = GameObject.FindObjectsByType<FogOfWarVisibility>(FindObjectsSortMode.None);
            int sceneCount = sceneComponents.Length;

            foreach (var comp in sceneComponents)
            {
                Object.DestroyImmediate(comp);
            }

            AssetDatabase.SaveAssets();
            AssetDatabase.Refresh();

            Debug.Log($"<color=yellow>Removed FogOfWarVisibility from {prefabCount} prefabs and {sceneCount} scene objects</color>");
        }
    }
}