using UnityEngine;
using UnityEditor;
using UnityEditorInternal;
using Syntriax.Modules.Movement.Config;
using System;

namespace Syntriax.Modules.Movement.Editor
{
    public class DefinitionCreatorEditor : EditorWindow
    {
        ReorderableList list;
        public MovementDefinition movementDefinition = new MovementDefinition();
        private SerializedObject serializedObject;

        [MenuItem("Syntriax/Modules/Movement/Definition Creator")]
        private static void ShowWindow()
        {
            var window = GetWindow<DefinitionCreatorEditor>();
            window.titleContent = new GUIContent("Definition Creator");
            window.Reset();
            window.Show();
        }

        private void Reset() => LoadPresetQuick();

        private void OnEnable() => UpdateSerializedObject();

        private void OnGUI()
        {
            GUILayout.Space(10);

            GUILayout.BeginHorizontal();
            bool quickPresetButtonPressed = GUILayout.Button("Quick Preset");
            GUILayout.Space(10);
            bool longerPresetButtonPressed = GUILayout.Button("Longer Preset");
            GUILayout.EndHorizontal();

            GUILayout.Space(10);

            SerializedProperty movementDefinitionProperty = serializedObject.FindProperty("movementDefinition");
            SerializedProperty movementName = movementDefinitionProperty.FindPropertyRelative("Name");
            SerializedProperty movementMovementConfigs = movementDefinitionProperty.FindPropertyRelative("MovementConfigs");
            SerializedProperty movementMonoBehaviours = movementDefinitionProperty.FindPropertyRelative("MonoBehaviours");

            // EditorGUILayout.PropertyField(movementDefinitionProperty, new GUIContent("New Movement Definition"), true);
            EditorGUILayout.PropertyField(movementName);
            EditorGUILayout.PropertyField(movementMovementConfigs, true);
            EditorGUILayout.PropertyField(movementMonoBehaviours);
            serializedObject.ApplyModifiedProperties();

            GUILayout.Space(10);

            bool createButtonPressed = GUILayout.Button("Create");
            GUILayout.Label($"Will be saved to Assets/Resources/{MovementDefinitionFactory.ResourceDirectoryToDefinitions}{movementName.stringValue}.json");

            GUILayout.Space(10);

            GUILayout.Label("Tip: MovementConfigs->TypeName and MonoBehaviours have the same naming system");
            GUILayout.Label("If under a namespace: \"Namespace.ClassName\"");
            GUILayout.Label("If not under a namespace: \"ClassName\"");
            GUILayout.Space(5);
            GUILayout.Label($"Tip: Apply these to your GameObjects by using {nameof(MovementDefinitionFactory)}");
            GUILayout.Label($"{nameof(MovementDefinitionFactory)}.Instance.ApplyDefinitionToGameObject(\"{movementName.stringValue}\");");

            if (quickPresetButtonPressed) LoadPresetQuick();
            if (longerPresetButtonPressed) LoadPresetLonger();

            if (createButtonPressed) CreateDefinition(movementName.stringValue);
        }

        private void LoadPresetQuick()
        {
            movementDefinition.Name = "Example Movement Definition (Quick)";

            movementDefinition.MovementConfigs = new MovementConfig[]
            {
                new MovementConfig(MovementFactory.GetTypeName(typeof(Implementations.GroundMovement1D)), 5f)
            };

            movementDefinition.MonoBehaviours = new string[]
            {
                MovementFactory.GetTypeName(typeof(MovementController))
            };

            UpdateSerializedObject();
        }

        private void LoadPresetLonger()
        {
            movementDefinition.Name = "Example Movement Definition (Longer)";

            movementDefinition.MovementConfigs = new MovementConfig[]
            {
                new MovementConfig(MovementFactory.GetTypeName(typeof(Implementations.AirMovement1D)), 5f),
                new MovementConfig(MovementFactory.GetTypeName(typeof(Implementations.GroundMovement1D)), 5f)
            };

            movementDefinition.MonoBehaviours = new string[]
            {
                MovementFactory.GetTypeName(typeof(MovementController)),
                MovementFactory.GetTypeName(typeof(ToggleState.ToggleStateMonoBehaviour))
            };

            UpdateSerializedObject();
        }

        private void UpdateSerializedObject()
            => serializedObject = new SerializedObject(this);

        private void CreateDefinition(string definitionName)
        {
            if (string.IsNullOrWhiteSpace(definitionName))
            {
                EditorUtility.DisplayDialog("Empty Name Field", "Name field must be not empty", "OK");
                return;
            }

            string resourceDirectoryToDefinitions = MovementDefinitionFactory.ResourceDirectoryToDefinitions;
            string[] folders = resourceDirectoryToDefinitions.Split('/');

            string currentPath = "Assets/Resources";
            CreateSubFolder("Assets", "Resources");
            foreach (string folder in folders)
            {
                CreateSubFolder(currentPath, folder);
                currentPath += $"/{folder}";
            }

            currentPath += $"/{definitionName}.json";
            SaveMovementDefinition(movementDefinition);
        }

        private void CreateSubFolder(string parentFolder, string subFolder)
        {
            if (!AssetDatabase.IsValidFolder($"{parentFolder}/{subFolder}"))
                AssetDatabase.CreateFolder(parentFolder, subFolder);
        }

        public void SaveMovementDefinition(MovementDefinition definition)
        {
            string jsonText = JsonUtility.ToJson(definition, true);
            string path = $"Assets/Resources/{MovementDefinitionFactory.ResourceDirectoryToDefinitions}{definition.Name}.json";

            if (!EditorUtility.DisplayDialog("Conflict", $"\"{path}\" already exists, do you want to overwrite?", "Overwrite", "Cancel"))
                return;

            System.IO.File.WriteAllText(path, jsonText);
            AssetDatabase.Refresh();
        }
    }
}