using UnityEngine;
using UnityEditor;
using System.Collections.Generic;
using System.Linq;
using Core.Settings;

namespace AppleHills.Core.Settings.Editor
{
    public class SettingsEditorWindow : EditorWindow
    {
        private Vector2 scrollPosition;
        private List<BaseSettings> allSettings = new List<BaseSettings>();
        private string[] tabNames = new string[] { "Player & Follower", "Interaction & Items", "Diving Minigame", "Card System", "Card Sorting", "Bird Pooper", "Statue Dressup", "Fort Fight" };
        private int selectedTab = 0;
        private Dictionary<string, SerializedObject> serializedSettingsObjects = new Dictionary<string, SerializedObject>();
        private GUIStyle headerStyle;

        [MenuItem("AppleHills/Settings/Settings Editor")]
        public static void ShowWindow()
        {
            GetWindow<SettingsEditorWindow>("Game Settings");
        }

        private void OnEnable()
        {
            LoadAllSettings();
        }

        private void LoadAllSettings()
        {
            allSettings.Clear();
            serializedSettingsObjects.Clear();

            // Find all settings assets
            string[] guids = AssetDatabase.FindAssets("t:BaseSettings");
            foreach (string guid in guids)
            {
                string path = AssetDatabase.GUIDToAssetPath(guid);
                BaseSettings settings = AssetDatabase.LoadAssetAtPath<BaseSettings>(path);
                if (settings != null)
                {
                    allSettings.Add(settings);
                    serializedSettingsObjects[settings.GetType().Name] = new SerializedObject(settings);
                }
            }

            // If any settings are missing, create them
            CreateSettingsIfMissing<PlayerFollowerSettings>("PlayerFollowerSettings");
            CreateSettingsIfMissing<InteractionSettings>("InteractionSettings");
            CreateSettingsIfMissing<DivingMinigameSettings>("DivingMinigameSettings");
            CreateSettingsIfMissing<CardSystemSettings>("CardSystemSettings");
            CreateSettingsIfMissing<CardSortingSettings>("CardSortingSettings");
            CreateSettingsIfMissing<BirdPooperSettings>("BirdPooperSettings");
            CreateSettingsIfMissing<StatueDressupSettings>("StatueDressupSettings");
            CreateSettingsIfMissing<Minigames.FortFight.Core.FortFightSettings>("FortFightSettings");
        }

        private void CreateSettingsIfMissing<T>(string fileName) where T : BaseSettings
        {
            if (!allSettings.Any(s => s is T))
            {
                // Check if the asset already exists
                string[] guids = AssetDatabase.FindAssets($"t:{typeof(T).Name}");
                if (guids.Length == 0)
                {
                    // Create the settings folder if it doesn't exist
                    if (!AssetDatabase.IsValidFolder("Assets/Settings"))
                    {
                        AssetDatabase.CreateFolder("Assets", "Settings");
                    }

                    // Create new settings asset
                    T settings = CreateInstance<T>();
                    string path = $"Assets/Settings/{fileName}.asset";
                    AssetDatabase.CreateAsset(settings, path);
                    AssetDatabase.SaveAssets();

                    allSettings.Add(settings);
                    serializedSettingsObjects[typeof(T).Name] = new SerializedObject(settings);
                    Debug.Log($"Created missing settings asset: {path}");
                }
                else
                {
                    // Load existing asset
                    string path = AssetDatabase.GUIDToAssetPath(guids[0]);
                    T settings = AssetDatabase.LoadAssetAtPath<T>(path);
                    allSettings.Add(settings);
                    serializedSettingsObjects[typeof(T).Name] = new SerializedObject(settings);
                }
            }
        }

        private void OnGUI()
        {
            if (headerStyle == null)
            {
                headerStyle = new GUIStyle(EditorStyles.boldLabel);
                headerStyle.fontSize = 14;
                headerStyle.margin = new RectOffset(0, 0, 10, 10);
            }

            EditorGUILayout.Space(10);
            EditorGUILayout.LabelField("Apple Hills Game Settings", headerStyle);
            EditorGUILayout.HelpBox("Use this window to modify game settings. Changes are saved automatically.", MessageType.Info);
            
            EditorGUILayout.Space(10);
            selectedTab = GUILayout.Toolbar(selectedTab, tabNames);

            scrollPosition = EditorGUILayout.BeginScrollView(scrollPosition);

            switch (selectedTab)
            {
                case 0: // Player & Follower
                    DrawSettingsEditor<PlayerFollowerSettings>();
                    break;
                case 1: // Interaction & Items
                    DrawSettingsEditor<InteractionSettings>();
                    break;
                case 2: // Minigames
                    DrawSettingsEditor<DivingMinigameSettings>();
                    break;
                case 3: // Card System
                    DrawSettingsEditor<CardSystemSettings>();
                    break;
                case 4: // Card Sorting
                    DrawSettingsEditor<CardSortingSettings>();
                    break;
                case 5: // Bird Pooper
                    DrawSettingsEditor<BirdPooperSettings>();
                    break;
                case 6: // Statue Dressup
                    DrawSettingsEditor<StatueDressupSettings>();
                    break;
                case 7: // Fort Fight
                    DrawSettingsEditor<Minigames.FortFight.Core.FortFightSettings>();
                    break;
            }

            EditorGUILayout.EndScrollView();

            EditorGUILayout.Space(10);
            EditorGUILayout.BeginHorizontal();
            GUILayout.FlexibleSpace();
            
            if (GUILayout.Button("Refresh", GUILayout.Width(100)))
            {
                LoadAllSettings();
            }
            
            if (GUILayout.Button("Save All", GUILayout.Width(100)))
            {
                foreach (var serializedObj in serializedSettingsObjects.Values)
                {
                    serializedObj.ApplyModifiedProperties();
                    EditorUtility.SetDirty(serializedObj.targetObject);
                }
                AssetDatabase.SaveAssets();
                
                // Refresh editor settings after save
                AppleHills.Editor.EditorSettingsProvider.LoadAllSettings();
                AppleHills.Editor.EditorSettingsProvider.RefreshSceneViews();
                
                Debug.Log("All settings saved and editor views refreshed!");
            }
            
            EditorGUILayout.EndHorizontal();
        }

        private void DrawSettingsEditor<T>() where T : BaseSettings
        {
            BaseSettings settings = allSettings.Find(s => s is T);
            if (settings == null)
            {
                EditorGUILayout.HelpBox($"No {typeof(T).Name} found. Click Refresh to create one.", MessageType.Warning);
                return;
            }

            SerializedObject serializedObj = serializedSettingsObjects[typeof(T).Name];
            serializedObj.Update();

            EditorGUILayout.Space(10);
            
            // Draw all properties
            SerializedProperty property = serializedObj.GetIterator();
            bool enterChildren = true;
            while (property.NextVisible(enterChildren))
            {
                enterChildren = false;
                
                // Skip the script field
                if (property.name == "m_Script") continue;
                
                EditorGUILayout.PropertyField(property, true);
            }

            // Apply changes
            if (serializedObj.ApplyModifiedProperties())
            {
                EditorUtility.SetDirty(settings);
            }
        }

        // Helper method to highlight important fields
        private void DrawHighlightedProperty(SerializedProperty property, string tooltip = null)
        {
            GUI.backgroundColor = new Color(1f, 1f, 0.8f);
            EditorGUILayout.BeginVertical(EditorStyles.helpBox);
            GUI.backgroundColor = Color.white;
            
            EditorGUILayout.PropertyField(property, new GUIContent(property.displayName, tooltip));
            
            EditorGUILayout.EndVertical();
        }
    }
}