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

namespace SiegeSong 
{ 
    public class HeadTurn : MonoBehaviour
    {
        public Transform HeadBone;
        public Transform RibcageBone;
        public Transform LookTarget;
        public CameraManager CameraManager;
        public Motor Motor;

        private float rotationXMin = 350.0f;
        private float rotationXMax = 350.0f;
        private float rotationYMin = -60.0f;
        private float rotationYMax = 80.0f;

        private float rotationXOffset = 0.0f;
        private float rotationYOffset = 180.0f;

        private float rotationXModifier = 1.0f;
        private float rotationYModifier = 1.0f;
        private float rotationZModifier = 1.0f;

        private float previousX;
        private float previousY;
        private float previousZ;


        void Start()
        {
        
        }

        void LateUpdate()
        {
            if (Motor.Moving == false)
            {
                var direction = new Vector3(1, -1, 1);
                if (LookTarget == null)
                    direction = new Vector3(
                        (CameraManager.ActiveCamera.transform.rotation.eulerAngles.x + rotationXOffset) * rotationXModifier,
                        (CameraManager.ActiveCamera.transform.rotation.eulerAngles.y + rotationYOffset) * rotationYModifier,
                        -CameraManager.ActiveCamera.transform.rotation.eulerAngles.z * rotationZModifier);
                else
                    direction = LookTarget.position - HeadBone.position;

                var resetingHeadTurn = true;
                if (direction.y - rotationYOffset > rotationYMax)
                {
                    previousY = direction.y;
                    resetingHeadTurn = false;
                }
                if (direction.y + rotationYOffset < rotationYMin)
                {
                    previousY = direction.y;
                    resetingHeadTurn = false;
                }
                
                if (resetingHeadTurn)
                {
                    direction.y = previousY;
                    resetingHeadTurn = false;
                }
                else
                {
                    HeadBone.eulerAngles = direction;
                }
            }
        }
    }
}