using System.Collections;
using System.Collections.Generic;
using UnityEngine;

namespace InfallibleCode
{
    public class DoorTestDraggable : MonoBehaviour, IInteractable
    {
        public Transform door;
        public bool DoorRequiresKey;
        public bool DoorIsOpen;
        public float RotationSpeed = 2;

        [Range(0, -90)]
        public float DoorStartAngle = -90f;

        [Header("!DEBUGGING!")]
        [HideInInspector] public bool CanOpenDoor = true;

        public int doorSide;
        private float doorLerp;
        [HideInInspector] public float _doorLerpOpenAngle = 0f;
        [HideInInspector] public float _doorLerpSpeed = 0.5f;

        private Quaternion _OpenPos;
        private Quaternion _ClosedPos;

        public bool doorIsOpeningOrClosing;

        void Awake()
        {
            if (door == null)
            {
                door = GetComponent<Transform>();
            }
        }

        void Start()
        {
            if (DoorRequiresKey)
            {
                CanOpenDoor = false;
            }

            door.transform.localRotation = Quaternion.Euler(door.localEulerAngles.x, DoorStartAngle, door.localEulerAngles.z);

            _OpenPos = Quaternion.Euler(door.localEulerAngles.x, -90f, door.localEulerAngles.z);
            _ClosedPos = Quaternion.Euler(door.localEulerAngles.x, 0f, door.localEulerAngles.z);
            if(DoorStartAngle >= 0f) 
            {
                DoorIsOpen = false;
            }
            if(DoorStartAngle <= -90f) 
            {
                DoorIsOpen = true;
            }
        }

        public void DragDoor()
        {
            #region Door Drag
            if (CanOpenDoor && !doorIsOpeningOrClosing)
            {
                if (DoorIsOpen) 
                {
                    CloseDoor(0.5f);
                   
                 
                    StartCoroutine(DoorOpenFalse());
                    doorIsOpeningOrClosing = true;
                }
                else 
                {
                    OpenDoor(0.5f);
                   
                  
                    StartCoroutine(DoorOpenTrue());
                    doorIsOpeningOrClosing = true;
                }


            }
            else if (DoorRequiresKey)
            {
                Debug.Log("Door is locked");
            }
            else
            {
                Debug.Log("Door is jammed");
            }
        }
        #endregion

        IEnumerator DoorOpenFalse() 
        {
            while (doorLerp >= 1f)
            {
                DoorIsOpen = false;
                yield return null;
            }
        }

        IEnumerator DoorOpenTrue()
        {
            while (doorLerp >= 1f)
            {
                DoorIsOpen = true;
                yield return null;
            }
        }

        IEnumerator DoorAnglesUpdate()
        {
            while (doorLerp <= 1f)
            {
                float DoorAngle = door.transform.localEulerAngles.y;
                DoorAngle = (DoorAngle > 180) ? DoorAngle - 360 : DoorAngle;
                if (DoorAngle <= -90f)
                {
                    print("Door Rotation.Y is -90f (Door Angle -90f)");
                    DoorIsOpen = true;
                    doorLerp = 0f;
                }
                if (DoorAngle < -0.01f)
                {
                    //CloseDoor(1f);
                    print("Door Rotation.Y is -90f (Door Angle -0.01f)");
                    DoorIsOpen = true;
                    doorLerp = 0f;
                }
                if (DoorAngle >= 0f)
                {
                    print("Door Rotation.Y is 0f (Door Angle 0f)");
                    DoorIsOpen = false;
                    doorLerp = 0f;
                }
                yield return null;
            }
        }


        public void Interact()
        {
            DragDoor();
        }


        public void LockDoor()
        {
            DoorRequiresKey = true;
            CanOpenDoor = false;
        }

        public void UnlockDoor()
        {
            DoorRequiresKey = false;
            CanOpenDoor = true;
        }

        #region Open Door
        public void OpenDoor(float doorLerpSpeed)
        {
            doorLerp = 0f;
            DoorIsOpen = true;
            StartCoroutine(OpenDoorCoroutine(doorLerpSpeed));
        }

        IEnumerator OpenDoorCoroutine(float doorLerpSpeed)
        {
            while (doorLerp <= 1f) /*(door.localEulerAngles.y <= -90f)*/
            {
                doorLerp += doorLerpSpeed * Time.deltaTime;
                door.localRotation = Quaternion.Slerp(door.localRotation, _OpenPos, doorLerp);
                print("Door opens");

                float DoorAngle = door.transform.localEulerAngles.y;
                DoorAngle = (DoorAngle > 180) ? DoorAngle - 360 : DoorAngle;
                if (DoorAngle <= -90f) 
                {
                    if (doorIsOpeningOrClosing)
                    {
                        doorIsOpeningOrClosing = false;
                    }
                    StopAllCoroutines();
                }
                yield return null;
            }
            if (doorIsOpeningOrClosing) 
            {
                doorIsOpeningOrClosing = false;
            }
        }
        #endregion

        #region Close Door
        public void CloseDoor(float doorLerpSpeed)
        {
            doorLerp = 0f;
            DoorIsOpen = false;
            StartCoroutine(CloseDoorCoroutine(doorLerpSpeed));
        }


        IEnumerator CloseDoorCoroutine(float doorLerpSpeed)
        {
            while (doorLerp <= 1f)/*(door.localEulerAngles.y >= 0f)*/
            {
                doorLerp += doorLerpSpeed * Time.deltaTime;
                door.localRotation = Quaternion.Slerp(door.localRotation, _ClosedPos, doorLerp);
                print("Door closes");

                float DoorAngle = door.transform.localEulerAngles.y;
                DoorAngle = (DoorAngle > 180) ? DoorAngle - 360 : DoorAngle;
                if (DoorAngle >= -0.001f)
                {
                    if (doorIsOpeningOrClosing)
                    {
                        doorIsOpeningOrClosing = false;
                    }
                    print("stop");
                    StopAllCoroutines();
                }
                yield return null;
            }
            if (doorIsOpeningOrClosing)
            {
                doorIsOpeningOrClosing = false;
            }
        }
        #endregion
    }
}