import type { ZyphrClient } from '@zyphr-dev/node-sdk';
import { type AuthTransport, type LoginParams, type SessionTokens, toSessionTokens } from '@zyphr-dev/auth-core';

/**
 * An {@link AuthTransport} over the client-safe `ZyphrClient` (publishable
 * application key — no secret in the app bundle). Same transport the web binding
 * uses; re-implemented here so the React Native package doesn't depend on
 * `@zyphr-dev/auth-react` (which pulls web-React types).
 */
export function createZyphrTransport(client: ZyphrClient, now: () => number = Date.now): AuthTransport {
  const extract = (tokens?: { accessToken?: string; refreshToken?: string; expiresIn?: number }): SessionTokens =>
    toSessionTokens(
      { accessToken: tokens?.accessToken, refreshToken: tokens?.refreshToken, expiresIn: tokens?.expiresIn },
      now(),
    );

  return {
    async login({ email, password }: LoginParams): Promise<SessionTokens> {
      const res = await client.auth.login.loginEndUser({ email, password });
      return extract(res.data?.tokens);
    },
    async refresh(refreshToken: string): Promise<SessionTokens> {
      const res = await client.auth.sessions.refreshEndUserToken({ refreshToken });
      return extract(res.data?.tokens);
    },
    async logout(refreshToken: string): Promise<void> {
      await client.auth.sessions.revokeEndUserSession({ refreshToken });
    },
  };
}