using Convention.WindowsUI.Variant;
using UnityEngine;
using UnityEngine.InputSystem;

namespace Convention
{
    public class FreeSceneCamera : MonoSingleton<FreeSceneCamera>, ILoadedInHierarchy
    {
        [Resources, InspectorDraw(InspectorDrawType.Reference)] public Transform TargetFollow;
        //[Resources, InspectorDraw(InspectorDrawType.Reference)] public CinemachineVirtualCamera VirtualCamera;
        [Setting, InspectorDraw(InspectorDrawType.Text)] public float moveSpeed = 1;
        [Setting, InspectorDraw(InspectorDrawType.Text)] public float rotationSpeed = 1;
        private bool m_IsFocus = false;
        [Setting, InspectorDraw(InspectorDrawType.Toggle)]
        public bool isFocus
        {
            get => m_IsFocus;
            set
            {
                if (m_IsFocus != value)
                {
                    m_IsFocus = value;
                    Cursor.lockState = m_IsFocus ? CursorLockMode.Locked : CursorLockMode.None;
                    Cursor.visible = !m_IsFocus;
                }
            }
        }

        public void SetMoveSpeed(float value)
        {
            moveSpeed = value;
        }

        public void SetRotationSpeed(float value)
        {
            rotationSpeed = value;
        }

        private void Start()
        {
            m_IsFocus = false;
        }

        private void Update()
        {
            if (isFocus)
            {
                Vector3 dxyz = Vector3.zero;
                //Vector3 rxyz = Vector3.zero;
                if (Keyboard.current[Key.W].isPressed || Keyboard.current[Key.UpArrow].isPressed)
                {
                    var temp = TargetFollow.forward;
                    //temp.y = 0;
                    dxyz += temp.normalized;
                }
                if (Keyboard.current[Key.A].isPressed || Keyboard.current[Key.LeftArrow].isPressed)
                {
                    var temp = TargetFollow.right;
                    temp.y = 0;
                    dxyz -= temp.normalized;
                }
                if (Keyboard.current[Key.D].isPressed || Keyboard.current[Key.RightArrow].isPressed)
                {
                    var temp = TargetFollow.right;
                    temp.y = 0;
                    dxyz += temp.normalized;
                }
                if (Keyboard.current[Key.S].isPressed || Keyboard.current[Key.DownArrow].isPressed)
                {
                    var temp = TargetFollow.forward;
                    //temp.y = 0;
                    dxyz -= temp.normalized;
                }
                if (Keyboard.current[Key.Space].isPressed)
                    dxyz += Vector3.up;
#if !UNITY_EDITOR
            if (Keyboard.current[Key.LeftShift].isPressed)
#else
                if (Keyboard.current[Key.Q].isPressed)
#endif
                    dxyz -= Vector3.up;

                var drotation = Vector3.zero;
                {
                    var temp = Mouse.current.delta.ReadValue();
                    drotation = new(-temp.y, temp.x, 0);
                }

                //

                TargetFollow.Translate(dxyz * moveSpeed, Space.World);
                TargetFollow.Rotate(drotation * rotationSpeed, Space.Self);

                //

                if (Keyboard.current[Key.Escape].isPressed)
                    isFocus = false;
                if (Keyboard.current[Key.LeftCtrl].isPressed && Keyboard.current[Key.LeftShift].isPressed)
                {
                    if(Keyboard.current[Key.Z].isPressed)
                    {
                        TargetFollow.localPosition = Vector3.zero;
                    }
                    else
                    {
                        TargetFollow.localEulerAngles = new(0, TargetFollow.eulerAngles.y, 0);
                    }
                }
            }
        }
    }
}