using Robust.Shared.GameStates;

namespace Content.Shared.Audio
{
    public abstract class SharedAmbientSoundSystem : EntitySystem
    {
        public override void Initialize()
        {
            base.Initialize();
            SubscribeLocalEvent<AmbientSoundComponent, ComponentGetState>(GetCompState);
            SubscribeLocalEvent<AmbientSoundComponent, ComponentHandleState>(HandleCompState);
        }

        public virtual void SetAmbience(EntityUid uid, bool value, AmbientSoundComponent? ambience = null)
        {
            if (!Resolve(uid, ref ambience, false) || ambience.Enabled == value)
                return;

            ambience.Enabled = value;
            QueueUpdate(uid, ambience);
            Dirty(ambience);
        }

        public virtual void SetRange(EntityUid uid, float value, AmbientSoundComponent? ambience = null)
        {
            if (!Resolve(uid, ref ambience, false) || MathHelper.CloseToPercent(ambience.Range, value))
                return;

            ambience.Range = value;
            QueueUpdate(uid, ambience);
            Dirty(ambience);
        }

        protected virtual void QueueUpdate(EntityUid uid, AmbientSoundComponent ambience)
        {
            // client side tree
        }

        public virtual void SetVolume(EntityUid uid, float value, AmbientSoundComponent? ambience = null)
        {
            if (!Resolve(uid, ref ambience, false) || MathHelper.CloseToPercent(ambience.Volume, value))
                return;

            ambience.Volume = value;
            Dirty(ambience);
        }

        private void HandleCompState(EntityUid uid, AmbientSoundComponent component, ref ComponentHandleState args)
        {
            if (args.Current is not AmbientSoundComponentState state) return;
            SetAmbience(uid, state.Enabled, component);
            SetRange(uid, state.Range, component);
            SetVolume(uid, state.Volume, component);
        }

        private void GetCompState(EntityUid uid, AmbientSoundComponent component, ref ComponentGetState args)
        {
            args.State = new AmbientSoundComponentState
            {
                Enabled = component.Enabled,
                Range = component.Range,
                Volume = component.Volume,
            };
        }
    }
}