export type ValidAuthProvider = "Discord" | "GitHub";

// Can't send the providers across the wire, do this instead
export type AuthProviderState = {
  name: ValidAuthProvider;
} & ({ connected: false } | { connected: true; id: string; username: string });

export abstract class AuthProvider {
  protected readonly accessToken: string;

  constructor(accessToken: string) {
    this.accessToken = accessToken;
  }

  abstract isPermitted(): Promise<boolean>;
  abstract getId(): Promise<string>;

  // this difference only really matters for discordd
  // display name:
  //   - discord: username
  //   - github: username
  // username:
  //   - discord: username#discriminator
  //   - github: username
  abstract getDisplayName(): Promise<string>;
  abstract getUsername(): Promise<string>;

  // these two aren't null for github
  abstract getAvatar(): Promise<string | null>;
  abstract getEmail(): Promise<string | null>;

  static get redirectUri(): string {
    throw new Error("Not implemented");
  }
}