import { useNostr } from '@nostrify/react';
import {
  NLogin,
  type NLoginType,
  useNostrLogin,
} from '@/lib/nostrLogin';

// NOTE: This file should not be edited except for adding new login methods.

// NLoginOther requires type to be `x-${string}` — use x-amber so it
// is a valid NLoginType and pubkey is preserved through serialization.
export type AmberLoginType = NLoginType & { type: 'x-amber'; pubkey: string };

export function useLoginActions() {
  const { nostr } = useNostr();
  const { logins, addLogin, setLogin, removeLogin } = useNostrLogin();

  const addAndActivate = (login: NLoginType) => {
    addLogin(login);
    setLogin(login.id);
  };

  return {
    // Login with a Nostr secret key
    nsec(nsec: string): void {
      const login = NLogin.fromNsec(nsec);
      addAndActivate(login);
    },
    // Login with a NIP-46 "bunker://" URI
    async bunker(uri: string): Promise<void> {
      const login = await NLogin.fromBunker(uri, nostr);
      addAndActivate(login);
    },
    // Login with a NIP-07 browser extension
    async extension(): Promise<void> {
      const login = await NLogin.fromExtension();
      addAndActivate(login);
    },
    // Login with Amber (NIP-55) — pubkey returned from Amber plugin or callback
    // Uses NLogin with type x-amber so it satisfies NLoginOther (x-${string})
    // and pubkey is correctly stored and rehydrated from localStorage.
    amber(pubkey: string): void {
      const login = new NLogin('x-amber', pubkey, { method: 'nip55' }) as unknown as NLoginType;
      addLogin(login);
      setLogin(login.id);
    },
    // Log out the current user
    async logout(): Promise<void> {
      const login = logins[0];
      if (login) {
        removeLogin(login.id);
      }
    },
  };
}