/// <reference types="cypress" />
// ***********************************************
// This example commands.ts shows you how to
// create various custom commands and overwrite
// existing commands.
//
// For more comprehensive examples of custom
// commands please read more here:
// https://on.cypress.io/custom-commands
// ***********************************************
//
//
// -- This is a parent command --
// Cypress.Commands.add('login', (email, password) => { ... })
//
//
// -- This is a child command --
// Cypress.Commands.add('drag', { prevSubject: 'element'}, (subject, options) => { ... })
//
//
// -- This is a dual command --
// Cypress.Commands.add('dismiss', { prevSubject: 'optional'}, (subject, options) => { ... })
//
//
// -- This will overwrite an existing command --
// Cypress.Commands.overwrite('visit', (originalFn, url, options) => { ... })
//
// declare global {
//   namespace Cypress {
//     interface Chainable {
//       login(email: string, password: string): Chainable<void>
//       drag(subject: string, options?: Partial<TypeOptions>): Chainable<Element>
//       dismiss(subject: string, options?: Partial<TypeOptions>): Chainable<Element>
//       visit(originalFn: CommandOriginalFn, url: string, options: Partial<VisitOptions>): Chainable<Element>
//     }
//   }
// }

import hkdf from "@panva/hkdf";
import { EncryptJWT, JWTPayload } from "jose";

// Function logic derived from https://github.com/nextauthjs/next-auth/blob/5c1826a8d1f8d8c2d26959d12375704b0a693bfc/packages/next-auth/src/jwt/index.ts#L113-L121
async function getDerivedEncryptionKey(secret: string) {
  return await hkdf(
    "sha256",
    secret,
    "",
    "NextAuth.js Generated Encryption Key",
    32
  );
}

// Function logic derived from https://github.com/nextauthjs/next-auth/blob/5c1826a8d1f8d8c2d26959d12375704b0a693bfc/packages/next-auth/src/jwt/index.ts#L16-L25
export async function encode(
  token: JWTPayload,
  secret: string
): Promise<string> {
  const maxAge = 30 * 24 * 60 * 60; // 30 days
  const encryptionSecret = await getDerivedEncryptionKey(secret);
  return await new EncryptJWT(token)
    .setProtectedHeader({ alg: "dir", enc: "A256GCM" })
    .setIssuedAt()
    .setExpirationTime(Math.round(Date.now() / 1000 + maxAge))
    .setJti("test")
    .encrypt(encryptionSecret);
}

// @ts-ignore
Cypress.Commands.add("login", (userObj: JWTPayload) => {
  // Generate and set a valid cookie from the fixture that next-auth can decrypt
  cy.intercept("/api/auth/session", { fixture: "session.json" }).as("session");
  cy.wrap(null)
    .then(() => {
      return encode(userObj, Cypress.env("NEXTAUTH_JWT_SECRET"));
    })
    .then((encryptedToken) => {
      cy.setCookie("next-auth.session-token", encryptedToken);
    });
});