import type { DatabaseSchema, DatabaseSchemaOptions } from "./schema.js";

export type DatabaseConfiguration<S extends DatabaseSchema = DatabaseSchema> =
	DatabaseSchemaOptions & {
		initialTitle?: string;
		schema: S;
	};

export type Database<S extends DatabaseSchema = DatabaseSchema> = {
	_tag: "database";
	key: string;
	config: DatabaseConfiguration<S>;
};

/** Declare a Notion database that a user will attach to this app. */
export function createDatabase<const S extends DatabaseSchema>(
	key: string,
	config: DatabaseConfiguration<S>,
): Database<S> {
	if (typeof key !== "string" || key.length === 0) {
		throw new Error("Database key must be a non-empty string");
	}

	return { _tag: "database", key, config };
}