using UnityEngine;
using UnityEditor;
using Unheimlich.Data.Dialogues;

[CustomEditor(typeof(DialogueConversation))]
public class DialogueConversationEditor : Editor
{
    private SerializedProperty _speakerNameProp;
    private SerializedProperty _displayModeProp;
    private SerializedProperty _dialogueNodesProp;

    [MenuItem("Unheimlich/Tools/Dialogue/Refresh All Conversations")]
    public static void RefreshAllConversations()
    {
        string[] guids = AssetDatabase.FindAssets("t:DialogueConversation");
        int count = 0;
        
        foreach (string guid in guids)
        {
            string path = AssetDatabase.GUIDToAssetPath(guid);
            DialogueConversation conv = AssetDatabase.LoadAssetAtPath<DialogueConversation>(path);
            
            if (conv != null)
            {
                EditorUtility.SetDirty(conv);
                count++;
            }
        }
        
        AssetDatabase.SaveAssets();
        AssetDatabase.Refresh();
        
        Debug.Log($"<color=green>[Dialogue Refresher]</color> {count} conversations ont été rafraîchies !");
    }

    private void OnEnable()
    {
        _speakerNameProp = serializedObject.FindProperty("SpeakerName");
        _displayModeProp = serializedObject.FindProperty("DisplayMode");
        _dialogueNodesProp = serializedObject.FindProperty("DialogueNodes");
    }

    public override void OnInspectorGUI()
    {
        serializedObject.Update();

        EditorGUILayout.Space(10);
        
        EditorGUILayout.LabelField("Conversation Setup", EditorStyles.boldLabel);
        EditorGUILayout.PropertyField(_speakerNameProp);

        EditorGUILayout.Space(5);
        
        EditorGUILayout.LabelField("Display Settings", EditorStyles.boldLabel);
        EditorGUILayout.PropertyField(_displayModeProp, new GUIContent("Display Mode"));
        
        EditorGUILayout.HelpBox(
            "World: Dialogue text appears in 3D space\n" +
            "Screen: Dialogue text appears on Canvas UI\n" +
            "Choices always appear in World space.", 
            MessageType.Info);

        EditorGUILayout.Space(10);
        
        EditorGUILayout.LabelField("Dialogue Flow", EditorStyles.boldLabel);
        EditorGUILayout.HelpBox("The first DialogueNode in the list will be the starting point of the conversation.", MessageType.Info);
        
        EditorGUILayout.PropertyField(_dialogueNodesProp, new GUIContent("Dialogue Nodes"), true);

        EditorGUILayout.Space(10);

        if (GUILayout.Button("Create New Dialogue Node", GUILayout.Height(30)))
            CreateNewDialogueNode();

        EditorGUILayout.Space(10);

        DialogueConversation conversation = (DialogueConversation)target;
        if (conversation.DialogueNodes != null && conversation.DialogueNodes.Count > 0)
        {
            EditorGUILayout.LabelField("Conversation Overview", EditorStyles.boldLabel);
            EditorGUILayout.LabelField($"Total Nodes: {conversation.DialogueNodes.Count}");
            
            DialogueNode firstNode = conversation.GetFirstNode();
            if (firstNode != null)
                EditorGUILayout.LabelField($"Starting Node: {firstNode.name}");
        }

        serializedObject.ApplyModifiedProperties();
    }

    private void CreateNewDialogueNode()
    {
        DialogueConversation conversation = (DialogueConversation)target;
        
        string path = AssetDatabase.GetAssetPath(conversation);
        string directory = System.IO.Path.GetDirectoryName(path);
        
        DialogueNode newNode = CreateInstance<DialogueNode>();
        newNode.name = $"Node_{conversation.DialogueNodes.Count + 1}";
        
        string nodePath = AssetDatabase.GenerateUniqueAssetPath($"{directory}/{newNode.name}.asset");
        AssetDatabase.CreateAsset(newNode, nodePath);
        
        conversation.DialogueNodes.Add(newNode);
        
        EditorUtility.SetDirty(conversation);
        AssetDatabase.SaveAssets();
        AssetDatabase.Refresh();
        
        EditorGUIUtility.PingObject(newNode);
    }
}