using UnityEngine;

namespace MegaKoop.Game.WeaponSystem
{
    [CreateAssetMenu(fileName = "WeaponDefinition", menuName = "MegaKoop/Weapons/Weapon Definition", order = 0)]
    public class WeaponDefinition : ScriptableObject
    {
        [Header("Presentation")]
        [SerializeField] private string displayName = "Weapon";
        [SerializeField] private WeaponView viewPrefab;

        [Header("Projectile")]
        [SerializeField] private Projectile projectilePrefab;
        [SerializeField] private float projectileSpeed = 25f;
        [SerializeField] private float projectileLifetime = 3f;

        [Header("Firing")]
        [SerializeField] private float shotsPerSecond = 2f;
        [SerializeField] private float baseDamage = 10f;
        [SerializeField] private float range = 25f;
        [SerializeField] private int projectilesPerShot = 1;
        [SerializeField, Range(0f, 45f)] private float spreadAngle = 0f;
        [SerializeField] private LayerMask hitMask = Physics.DefaultRaycastLayers;

        public string DisplayName => displayName;
        public WeaponView ViewPrefab => viewPrefab;
        public Projectile ProjectilePrefab => projectilePrefab;
        public float ProjectileSpeed => Mathf.Max(0f, projectileSpeed);
        public float ProjectileLifetime => Mathf.Max(0.05f, projectileLifetime);
        public float FireInterval => shotsPerSecond <= 0f ? float.MaxValue : 1f / shotsPerSecond;
        public float Damage => Mathf.Max(0f, baseDamage);
        public float Range => Mathf.Max(0f, range);
        public int ProjectilesPerShot => Mathf.Max(1, projectilesPerShot);
        public float SpreadAngle => Mathf.Abs(spreadAngle);
        public LayerMask HitMask => hitMask;

        private void OnValidate()
        {
            projectileSpeed = Mathf.Max(0f, projectileSpeed);
            projectileLifetime = Mathf.Max(0.05f, projectileLifetime);
            shotsPerSecond = Mathf.Max(0.01f, shotsPerSecond);
            baseDamage = Mathf.Max(0f, baseDamage);
            range = Mathf.Max(0f, range);
            projectilesPerShot = Mathf.Max(1, projectilesPerShot);
            spreadAngle = Mathf.Clamp(spreadAngle, 0f, 90f);
        }
    }
}