using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using UnityEngine;

namespace Restock
{
  public class ModuleRestockDeployableMeshHider: PartModule
  {
    private ModuleDeployablePart deployable;
    public List<GameObject> disableableGameObjects;
    private ModuleDeployablePart.DeployState savedState;


    [SerializeField]
    private string serializedNode;

    public override void OnLoad(ConfigNode node)
    {
      base.OnLoad(node);

      if (serializedNode == null)
        serializedNode = node.ToString();
    }


    public override void OnStart(StartState state)
    {
      base.OnStart(state);
      if (HighLogic.LoadedSceneIsFlight)
      {

        if (string.IsNullOrEmpty(serializedNode))
        {
          this.LogError("Serialized node is null or empty!");
          return;
        }

        ConfigNode node = ConfigNode.Parse(serializedNode).nodes[0];
        LoadTransforms(node);


        deployable = this.GetComponent<ModuleDeployablePart>();
        if (deployable == null)
        {
          Debug.LogError("No ModuleDeployablePart found on part");
          return;
        }

        savedState = deployable.deployState;
        SetVisibility(savedState != ModuleDeployablePart.DeployState.BROKEN);
      }
    }
    public void LoadTransforms(ConfigNode node)
    {
      
      disableableGameObjects = new List<GameObject>();

      foreach (string transformName in node.GetValues("transformName"))
      {
      
        Transform[] transforms = part.FindModelTransforms(transformName);
        if (transforms.Length == 0)
        {
          this.LogError($"No transforms named '{transformName}' found in model");
          continue;
        }

        foreach (Transform xform in transforms)
        {
          disableableGameObjects.Add(xform.gameObject);
        }
      }
    }

    private void SetVisibility(bool visible)
    {
      for (int i = 0; i < disableableGameObjects.Count; i++)
      {
        disableableGameObjects[i].SetActive(visible);
      }
    }
    public void Update()
    {
      if (HighLogic.LoadedSceneIsFlight && deployable && disableableGameObjects.Count > 0)
      {
        
        if (deployable.deployState != savedState)
        {
          SetVisibility(deployable.deployState != ModuleDeployablePart.DeployState.BROKEN);
          savedState = deployable.deployState;
        }
      }
    }
    void OnDestroy()
    {
      
      if (HighLogic.LoadedSceneIsFlight && disableableGameObjects.Count > 0)
        SetVisibility(false);
    }
  }
}