import type { Api, Model, ProviderId } from "./types.ts";

export type ModelGroups = Record<string, Record<string, object>>;

type ModelId<TGroups extends ModelGroups> = {
	[TApi in keyof TGroups]: keyof TGroups[TApi];
}[keyof TGroups] &
	string;

type ModelApi<TGroups extends ModelGroups, TModelId extends ModelId<TGroups>> = {
	[TApi in keyof TGroups]: TModelId extends keyof TGroups[TApi] ? TApi : never;
}[keyof TGroups] &
	Api;

export type ModelCatalog<TGroups extends ModelGroups, TProvider extends ProviderId> = {
	[TModelId in ModelId<TGroups>]: Model<ModelApi<TGroups, TModelId>> & {
		id: TModelId;
		provider: TProvider;
	};
};

export function flattenModelCatalog<const TProvider extends ProviderId, const TGroups extends ModelGroups>(
	_provider: TProvider,
	groups: TGroups,
): ModelCatalog<TGroups, TProvider> {
	return Object.assign({}, ...Object.values(groups)) as ModelCatalog<TGroups, TProvider>;
}