using RebootKit.Engine.Extensions;
using RebootKit.Engine.Foundation;
using RebootKit.Engine.Services.Simulation;
using RebootKit.FPPKit;
using Unity.Mathematics;
using UnityEngine;
using Logger = RebootKit.Engine.Foundation.Logger;

namespace RealityReboot.jelycho.Player {
    public class PlayerActor : Actor {
        static readonly Logger s_logger = new(nameof(PlayerActor));

        [SerializeField] PlayerFPPLocomotion m_Locomotion;
        [SerializeField] FPPCamera m_Camera;
        [SerializeField] Animator m_Animator;

        [SerializeField] Transform m_DragGutStartPosition;
        
        [SerializeField] PhysicsObjectDragger m_PhysicsDragger;
        [SerializeField] FloatRange m_DragDistanceRange = new(1.0f, 5.0f);

        [SerializeField] LineRenderer m_LineRenderer;

        public override void OnTick() {
            m_PhysicsDragger.TargetWorldPosition = m_Camera.Camera.transform.position + m_Camera.Camera.transform.forward * 2.0f;

            if (m_PhysicsDragger.Current.OrNull() != null) {
                m_LineRenderer.enabled = true;
                m_LineRenderer.SetPosition(0, m_LineRenderer.transform.InverseTransformPoint(m_DragGutStartPosition.position));
                m_LineRenderer.SetPosition(1, m_LineRenderer.transform.InverseTransformPoint(m_PhysicsDragger.Current.position));
            } else {
                m_LineRenderer.enabled = false;
            }

            UpdateAnimator();
        }

        public void Jump() {
            m_Locomotion.Jump();
        }

        public void Look(Vector2 input) {
            m_Camera.Rotate(input.x, input.y);
        }
        
        public void SetMoveInput(Vector2 input) {
            float3 direction = Quaternion.AngleAxis(m_Camera.Yaw, Vector3.up) * new float3(input.x, 0.0f, input.y);
            m_Locomotion.SetWishDirection(direction);
        }

        public void StartDrag() {
            GameObject pickedGameObject = m_Camera.Sensor.Sense();
            if (pickedGameObject != null && pickedGameObject.TryGetComponent(out Rigidbody rigidbody)) {
                m_PhysicsDragger.Grab(rigidbody);
            }   
        }

        public void StopDrag() {
            m_PhysicsDragger.Drop();
        }

        struct AnimatorParamHashes {
            public static readonly int s_VelocityForwardNormalized = Animator.StringToHash("VelocityForwardNormalized");
            public static readonly int s_VelocityRightNormalized = Animator.StringToHash("VelocityRightNormalized");
            public static readonly int s_IsGrounded = Animator.StringToHash("IsGrounded");
        }
        
        void UpdateAnimator() {
            float forwardNormalized = m_Locomotion.LocalVelocity.z / m_Locomotion.runSpeed;

            m_Animator.SetFloat(AnimatorParamHashes.s_VelocityForwardNormalized, forwardNormalized);
            m_Animator.SetFloat(AnimatorParamHashes.s_VelocityRightNormalized, 0.0f);

            m_Animator.SetBool(AnimatorParamHashes.s_IsGrounded, m_Locomotion.IsGrounded);
        }
    }
}