using System;
using Script.Gameplay.Input;
using UnityEngine;

namespace Gameplay.Player
{
    public enum WatchMode
    {
        Normal,
        Inside,
        Outside
    }
    public class PlayerWatchModeSwitcher : MonoBehaviour
    {
        [SerializeField] private Camera cam;
        private InputManager inputManager;
        private WatchMode currentMode = WatchMode.Normal;

        private void Start()
        {
            inputManager = InputManager.Instance;
            SetWatchMode(currentMode);
            
            var input = inputManager.Input;
            input.Player.SwitchWatchMode.performed += ctx =>
            {
                currentMode = (WatchMode)(((int)currentMode + 1) % 3);
                SetWatchMode(currentMode);
            };;
        }
        
        public void SetWatchMode(WatchMode mode)
        {
            currentMode = mode;
            SwitchWatchMode(mode);
        }


        // 实现按Tap键实现在WatchMode 3个模式切换，并通过SwitchWatchMode设置正确的相机模式

        private void SwitchWatchMode(WatchMode watchMode)
        {
            switch (watchMode)
            {
                case WatchMode.Normal:
                    SetSeeLines(false);
                    break;
                case WatchMode.Inside:
                    SetSeeLines(false);
                    break;
                case WatchMode.Outside:
                    SetSeeLines(true);
                    break;
                default:
                    throw new ArgumentOutOfRangeException();
            }
        }

        private void SetSeeLines(bool seeLine)
        {
            int linesLayer = LayerMask.NameToLayer("Lines");
            int mask = cam.cullingMask;

            if (seeLine)
                mask |= 1 << linesLayer; // 打开
            else
                mask &= ~(1 << linesLayer); // 关闭

            cam.cullingMask = mask;
        }
    }
}