using UnityEngine;
using UnityEngine.InputSystem;

namespace _Project.Scripts.PlayerUtils
{
    public class PlayerCombat : MonoBehaviour
    {
        [Header("Оружие и Стрельба (Projectiles)")]
        [SerializeField] private bool canShoot = true;
        [SerializeField] private LayerMask hitLayers = ~0;
        
        [Header("Эффекты (без звука)")]
        [SerializeField] private ParticleSystem muzzleFlash;
        [SerializeField] private GameObject impactPrefab;

        [Header("Ссылки")]
        [SerializeField] private Transform cameraPosition;

        private PlayerControls controls;
        private BodyProfile currentProfile;
        private float shootTimer = 0f;
        private bool isShootingInput = false;

        private void Start()
        {
            controls = Player.Instance.Controls;

            controls.Player.Attack.started += _ => isShootingInput = true;
            controls.Player.Attack.canceled += _ => isShootingInput = false;
        }

        public void ApplyProfile(BodyProfile profile)
        {
            currentProfile = profile;
            canShoot = profile.canShoot;
            shootTimer = 0f;
        }

        private void Update()
        {
            if (shootTimer > 0f) shootTimer -= Time.unscaledDeltaTime;
            if (!canShoot || currentProfile == null) return;

            bool isAuto = currentProfile.isAutomatic;
            bool shootPressed = isShootingInput || (Mouse.current != null && (isAuto ? Mouse.current.leftButton.isPressed : Mouse.current.leftButton.wasPressedThisFrame));

            if (shootPressed && shootTimer <= 0f)
            {
                Shoot();
                if (!isAuto) isShootingInput = false;
            }
        }

        private void Shoot()
        {
            shootTimer = currentProfile.fireRate;

            Player.Instance.Sound.PlayShoot();
            if (muzzleFlash != null) muzzleFlash.Play();
            Player.Instance.CameraController.ApplyRecoil(currentProfile.recoilKick);

            int pellets = Mathf.Max(1, currentProfile.pelletsPerShot);
            float spread = currentProfile.spreadAngle;
            Vector3 spawnPos = cameraPosition.position + cameraPosition.forward * 0.6f - cameraPosition.up * 0.1f;

            for (int i = 0; i < pellets; i++)
            {
                Vector3 dir = cameraPosition.forward;
                if (spread > 0.01f)
                {
                    dir = Quaternion.Euler(
                        Random.Range(-spread, spread),
                        Random.Range(-spread, spread), 0f) * dir;
                }

                Projectile.Spawn(spawnPos, dir, currentProfile, true, gameObject, hitLayers, impactPrefab);
            }
        }
    }
}