namespace DaggerFramework.Audio
{
    public class SoundInstance
    {
        public SoundInstance(AudioBackend backend, Sound sound)
        {
            _backend = backend;
            _sound = sound;
        }

        public SoundInstance PitchVariation(float min, float max)
        {
            var random = new LehmerRandom();
            _pitch = (float)random.NextDouble() * (max - min) + min;
            return this;
        }

        public SoundInstance VolumeVariation(float min, float max)
        {
            var random = new LehmerRandom();
            _volume = (float)random.NextDouble() * (max - min) + min;
            return this;
        }

        public SoundInstance OnBus(string bus = "Master")
        {
            _bus = bus;
            return this;
        }

        public void Play()
        {
            _backend.PlaySound(GetSound(), _bus, _pitch, _volume);
        }

        protected virtual Sound GetSound()
        {
            return _sound;
        }

        private readonly AudioBackend _backend;
        private readonly Sound _sound;
        private string _bus = "Master";
        private float _pitch, _volume = 1.0f;
    }
}