import { test, expect } from "@playwright/test";
import { PrismaClient } from "@prisma/client";
import { bookTrip } from "../../fixtures/booking-flow";

const prisma = new PrismaClient();
test.afterAll(async () => {
  await prisma.$disconnect();
});

/**
 * UA-4 — one-way, 1 adult + 1 child under 5, ETB, WALLET. The "first child per adult" policy makes
 * the child free: the booked total is exactly one adult fare and the free child is not seated.
 */
test("UA-4: first child under 5 travels free, total = one adult fare", async ({ page }) => {
  const r = await bookTrip(page, { adults: 1, children: 1, paymentMethod: "WALLET" });
  expect(r.confirmed).toBe(true);

  // The child is free → the browser sent one adult fare as the reviewed total.
  expect(r.reviewedTotalMinor).toBe(r.cardBaseFareMinor);

  const booking = await prisma.booking.findUniqueOrThrow({ where: { id: r.bookingId } });
  expect(booking.totalMinor).toBe(r.cardBaseFareMinor);

  // The free first-child is filtered out of the booked passengers → only the adult is seated.
  const seats = await prisma.bookingSeat.findMany({ where: { bookingId: r.bookingId } });
  expect(seats.length).toBe(1);
});
