using UnityEngine;
using MegaKoop.Game;

namespace MegaKoop.Game.Networking
{
    [DisallowMultipleComponent]
    public class SteamLocalInputSender : MonoBehaviour
    {
        [SerializeField] private SteamCharacterNetworkBridge characterNetwork;
        [SerializeField] private float sendInterval = 0.05f;
        [SerializeField] private Transform cameraTransform;

        private float sendTimer;

        private void Awake()
        {
            if (characterNetwork == null)
            {
                characterNetwork = GetComponent<SteamCharacterNetworkBridge>();
            }

            if (cameraTransform == null)
            {
                var thirdPersonCamera = GetComponentInChildren<ThirdPersonCamera>(true);
                if (thirdPersonCamera != null)
                {
                    cameraTransform = thirdPersonCamera.transform;
                }
                else if (characterNetwork != null && characterNetwork.IsLocalPlayer)
                {
                    Camera mainCamera = Camera.main;
                    if (mainCamera != null && mainCamera.transform.IsChildOf(transform))
                    {
                        cameraTransform = mainCamera.transform;
                    }
                }
            }
        }

        private void Update()
        {
            if (characterNetwork == null)
            {
                return;
            }

            if (!characterNetwork.IsLocalPlayer || characterNetwork.IsAuthority)
            {
                return;
            }

            sendTimer -= Time.deltaTime;
            Vector2 moveInput = new Vector2(Input.GetAxisRaw("Horizontal"), Input.GetAxisRaw("Vertical"));
            moveInput = Vector2.ClampMagnitude(moveInput, 1f);
            Vector2 planarMove = ConvertToWorldSpace(moveInput);
            bool jumpPressed = Input.GetButtonDown("Jump");

            if (sendTimer <= 0f || jumpPressed)
            {
                characterNetwork.SendLocalInput(planarMove, jumpPressed);
                sendTimer = sendInterval;
            }
        }

        public void SetCameraTransform(Transform camera)
        {
            cameraTransform = camera;
        }

        private Vector2 ConvertToWorldSpace(Vector2 moveInput)
        {
            if (cameraTransform == null)
            {
                return moveInput;
            }

            Vector3 forward = cameraTransform.forward;
            Vector3 right = cameraTransform.right;

            forward.y = 0f;
            right.y = 0f;

            float forwardSqr = forward.sqrMagnitude;
            float rightSqr = right.sqrMagnitude;
            if (forwardSqr < 0.0001f && rightSqr < 0.0001f)
            {
                return moveInput;
            }

            if (forwardSqr > 0.0001f)
            {
                forward.Normalize();
            }
            if (rightSqr > 0.0001f)
            {
                right.Normalize();
            }

            Vector3 desiredMove = forward * moveInput.y + right * moveInput.x;
            if (desiredMove.sqrMagnitude > 1f)
            {
                desiredMove.Normalize();
            }

            return new Vector2(desiredMove.x, desiredMove.z);
        }
    }
}