using ProjectBase.UI;
using ShotSimulator.Train;
using System;
using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.UI;

namespace ShotSimulator.UI
{
    public class CursorUIView : BaseUIView
    {
        public RectTransform canvasRT;

        private CursorType current_CursorType;
        private GameObject current_Cursor;

        public GameObject m_UICursor;
        public GameObject m_DefaultCursor;
        public GameObject m_SnipeCursor;

        protected override void InitUIObjects()
        {
            base.InitUIObjects();

            canvasRT = transform.GetComponent<RectTransform>();
        }

        protected override void UpdateArguments(params object[] args)
        {
            base.UpdateArguments(args);

            current_CursorType = (CursorType)Enum.ToObject(typeof(CursorType), args[0]);
        }

        protected override void UpdateViewCallBack()
        {
            base.UpdateViewCallBack();
            SetCurrentCursor(current_CursorType);
        }

        protected override void OnShowCallBack()
        {
            base.OnShowCallBack();
        }
        private void Update()
        {
            if (TrainTaskLoader.GetInstance().CurTrainHandle != null)
            {
                if (TrainTaskLoader.GetInstance().CurTrainHandle.IsRunning)
                {
                    if (!TrainTaskLoader.GetInstance().CurTrainHandle.IsPause)
                    {
                        if (VirtualMouse.GetInstance().IsSelectUIObject())
                        {
                            SetCurrentCursor(CursorType.UICursor);
                        }
                        else
                        {
                            SetCurrentCursor(TrainTaskLoader.GetInstance().CurTrainHandle.TrainInfo.cursorType);
                        }
                    }
                }
            }
        }
        private void LateUpdate()
        {
            if (RectTransformUtility.ScreenPointToLocalPointInRectangle(canvasRT, VirtualMouse.GetInstance().screenPos, UIManager.GetInstance().m_UICamera, out var pos))
            {
                if (current_Cursor != null)
                {
                    current_Cursor.GetComponent<RectTransform>().localPosition = pos;
                }
            }
        }

        private void SetCurrentCursor(CursorType type)
        {
            if (current_Cursor != null)
            {
                current_Cursor.gameObject.SetActive(false);
            }
            switch (type)
            {
                case CursorType.UICursor:
                    current_Cursor = m_UICursor;
                    break;
                case CursorType.DefaultCursor:
                    current_Cursor = m_DefaultCursor;
                    break;
                case CursorType.SnipeCursor:
                    current_Cursor = m_SnipeCursor;
                    break;
            }
            if (!VirtualMouse.GetInstance().TacticalMode || type != CursorType.DefaultCursor)
            {
                current_Cursor.gameObject.SetActive(true);
            }
        }
    }
}