using System.Collections;
using System.Collections.Generic;
using Ichni.RhythmGame;
using Ichni.RhythmGame.Beatmap;
using UnityEngine;

namespace Ichni.Editor
{
    public class OperationManager
    {
        public GameElement currentSelectedElement { get; private set; }
        
        public CopyPasteDeleteModule CopyPasteDeleteModule;
        
        public OperationManager()
        {
            CopyPasteDeleteModule = new CopyPasteDeleteModule();
        }
        
        public void SelectElement(GameElement gameElement)
        {
            if(currentSelectedElement != null)
            {
                currentSelectedElement.connectedTab.isSelected = false;
                currentSelectedElement.connectedTab.BgImage.color = new Color(0.5f, 0.5f, 0.5f, 0);
            }
            currentSelectedElement = gameElement;
            currentSelectedElement.connectedTab.isSelected = true;
            currentSelectedElement.connectedTab.BgImage.color = new Color(0.5f,0.5f, 0.5f, 0.2f);
        }
    }

    public class CopyPasteDeleteModule
    {
        public GameElement copiedElement;
        
        public void CopyElement(GameElement gameElement)
        {
            LogWindow.Log("Copied element: " + gameElement.elementName);
            copiedElement = gameElement;
        }
        
        public void PasteElement(GameElement parentElement)
        {
            if (copiedElement == null)
            {
                LogWindow.Log("No element copied.");
                return;
            }
            
            LogWindow.Log("Pasted element: " + copiedElement.elementName + " to " + parentElement.elementName);
            AffiliatedPaste(copiedElement, parentElement);
        }
        
        public void DeleteElement(GameElement gameElement)
        {
            LogWindow.Log("Deleted element: " + gameElement.elementName + " and all its children.");
            
            if (gameElement.parentElement != null)
            {
                gameElement.parentElement.childElementList.Remove(gameElement);
            }

            gameElement.Delete();
        }
        
        private GameElement AffiliatedPaste(GameElement gameElement, GameElement parent)
        {
            gameElement.SaveBM();
            GameElement pastedElement = (gameElement.matchedBM as GameElement_BM).DuplicateBM(parent);

            gameElement.submoduleList.ForEach(submodule =>
            {
                submodule.SaveBM();
                (submodule.matchedBM as Submodule_BM).DuplicateBM(pastedElement);
            });
            
            if (gameElement.childElementList != null)
            {
                for (int i = 0; i < gameElement.childElementList.Count; i++)
                {
                    AffiliatedPaste(gameElement.childElementList[i], pastedElement);
                }
            }

            return pastedElement;
        }
    }
}