import { Option, Result } from "./utils.ts";

export type User = {
    id: number;
    username: string;
    passwordHash: string;
};

export type Session = {
    id: number;
    userId: number;
};

export interface Database {
    createUser(init: Omit<User, "id">): Promise<Result<User, string>>;
    userWithId(id: number): Promise<Result<Option<User>, string>>;
    userWithUsername(username: string): Promise<Result<Option<User>, string>>;
    userWithUsernameExists(username: string): Promise<Result<boolean, string>>;

    createSession(init: Omit<Session, "id">): Promise<Result<Session, string>>;
    sessionWithId(id: number): Promise<Result<Option<Session>, string>>;
}