private IEnumerable <(string name, IPresetAware oldValue, Lamp newValue)> GetPresetValuesForLamps(Preset preset)
{
Lamp defaultLamp = new Lamp()
{
Strenght = 0
};
var lamps = preset.LampValues.Keys
.Where(i => groupService.IsNameExisting(i))
.SelectMany(i => groupService.GetLampsInGroup(i).Select(j => (name: j, value: preset.LampValues[i])))
.Union(preset.LampValues.Keys.Where(i => lightService.IsNameExisting(i)).Select(j => (name: j, value: preset.LampValues[j])))
.Select(i => (name: i.name, oldValue: lightService.GetTransitionable(i.name), newValue: i.value));
lamps = lamps
.Union(lightService.GetLampsNotNamed(lamps.Select(i => i.name))
.Select(i => (i, lightService.GetTransitionable(i), defaultLamp))
).ToList();
lamps = lamps
.Select(i => i.name)
.Distinct()
.Select(i => lamps.FirstOrDefault(j => j.name == i))
.ToList();
return(lamps);
}
