using GameCore.Combat.Interfaces;
using GameCore.Events;
using GameCore.Input;
using GameCore.Movement;

namespace GameCore.Combat.Effects;

public class BulkProjectileEffect(string archetypeId, int count, float spreadAngle, float speed) : IEffect
{
    private static readonly Random _random = new();

    public void Execute(EffectContext context)
    {
        var ownerInput = context.World.GetComponent<InputStateComponent>(context.Owner);
        if (ownerInput == null)
            return;

        var ownerRotation = context.World.GetComponent<RotationComponent>(context.Owner);
        if (ownerRotation == null) return;

        var spreadRadians = spreadAngle * (float)System.Math.PI / 180f;

        for (var i = 0; i < count; i++)
        {
            var direction = ownerInput.MuzzleDirection;

            if (spreadRadians > 0f)
            {
                var randomYaw = ((float)_random.NextDouble() * 2f - 1f) * spreadRadians;
                var randomPitch = ((float)_random.NextDouble() * 2f - 1f) * spreadRadians;

                direction = context.World.WorldQuery.RotateVectorByYaw(direction, randomYaw);
                direction.Y += (float)System.Math.Sin(randomPitch);
                direction = direction.Normalize();
            }

            var initialVelocity = direction * speed;

            context.World.PublishEvent(new SpawnEntityEvent(
                archetypeId,
                ownerInput.MuzzlePosition,
                ownerRotation.Rotation,
                context.Owner,
                initialVelocity
            ));
        }
    }
}