import { test, expect } from "@playwright/test";
import { API_URL, ROUTE_ID, staffToken } from "../../fixtures/data";
import { UI_IDS } from "../../../apps/edr-passenger-api/test/fixtures/seed-ui";

/**
 * Track B — server-side validation gaps and the promo field-name mismatch. Each test calls the same
 * passenger-api endpoints the backoffice forms hit, proving the client-side guards are the ONLY guard
 * (the API accepts values the forms block) or that a UI/DTO field-name split silently breaks a config.
 */
function auth() {
  return { Authorization: `Bearer ${staffToken()}` };
}

test("BC-8 ✅ a promo over 100% is rejected by the API (max validation, M-2)", async ({ request }) => {
  // percentOff must be bounded 0..100 at the DTO layer (the backoffice form has no such check).
  const res = await request.post(`${API_URL}/promos`, {
    headers: auth(),
    data: { code: `E2E_OVER100_${Date.now()}`, title: "over", percentOff: 200, validUntil: "2030-01-01T00:00:00Z", active: true },
  });
  expect(res.status()).toBe(400); // ✅ 200% discount rejected

  // A valid promo (≤100%) still succeeds.
  const okRes = await request.post(`${API_URL}/promos`, {
    headers: auth(),
    data: { code: `E2E_OK_${Date.now()}`, title: "ok", percentOff: 50, validUntil: "2030-01-01T00:00:00Z", active: true },
  });
  expect(okRes.ok()).toBeTruthy();
  const promo = (await okRes.json())?.data ?? {};
  await request.delete(`${API_URL}/promos/${promo.id}`, { headers: auth() }).catch(() => {});
});

test("PB-7 🔴 a promo created with the backoffice UI field names is inert (field-name mismatch)", async ({ request }) => {
  // The backoffice /promos form sends discountType/discountValue/isActive, but the DTO reads
  // percentOff/amountOffMinor/active — so the sent discount is dropped and the promo saves at 0.
  const res = await request.post(`${API_URL}/promos`, {
    headers: auth(),
    data: { code: `E2E_UIFIELDS_${Date.now()}`, title: "uifields", discountType: "PERCENTAGE", discountValue: 25, isActive: true, validUntil: "2030-01-01T00:00:00Z" },
  });
  expect(res.ok()).toBeTruthy();
  const promo = (await res.json())?.data ?? {};
  expect(promo.discountValue).toBe(0); // 🔴 the 25% the UI "set" was silently dropped
  await request.delete(`${API_URL}/promos/${promo.id}`, { headers: auth() }).catch(() => {});
});

test("BC-9 ✅ a negative seat-hold duration is rejected by /config (DTO validation, M-3)", async ({ request }) => {
  // The settings form has min=1 max=60; the API must now enforce the same at the DTO layer.
  const res = await request.patch(`${API_URL}/config`, {
    headers: auth(),
    data: { seat_hold_duration_minutes: "-1" },
  });
  expect(res.status()).toBe(400); // ✅ negative duration rejected

  // A sane value in range still succeeds and is stored.
  const ok = await request.patch(`${API_URL}/config`, { headers: auth(), data: { seat_hold_duration_minutes: "15" } });
  expect(ok.ok()).toBeTruthy();
  expect(((await ok.json())?.data ?? {}).seat_hold_duration_minutes).toBe("15");
});

test("BC-10 ✅ a schedule with a past departure is rejected by the API (past-date block, M-4)", async ({ request }) => {
  // The schedules form only checks arrival > departure — the API must ALSO reject a past departure.
  const past = new Date("2020-01-02T06:00:00.000Z");
  const arrive = new Date("2020-01-02T10:00:00.000Z");
  const res = await request.post(`${API_URL}/schedules`, {
    headers: auth(),
    data: { trainId: UI_IDS.train, routeId: ROUTE_ID, departureAt: past.toISOString(), arrivalAt: arrive.toISOString() },
  });
  expect(res.status()).toBe(400); // ✅ past-dated schedule rejected

  // A future schedule (a different day than the seeded one) is still accepted.
  const dep = new Date(Date.now() + 30 * 864e5); dep.setUTCHours(6, 0, 0, 0);
  const arr = new Date(dep.getTime() + 4 * 3600e3);
  const okRes = await request.post(`${API_URL}/schedules`, {
    headers: auth(),
    // ROUTE_ID has no route coach template, so createSchedule needs an explicit coach or it 400s
    // on the "zero coaches assigned" guard (see schedules.service.ts).
    data: {
      trainId: UI_IDS.train,
      routeId: ROUTE_ID,
      departureAt: dep.toISOString(),
      arrivalAt: arr.toISOString(),
      coachIds: [UI_IDS.coach],
    },
  });
  expect(okRes.ok()).toBeTruthy();
  const sched = (await okRes.json())?.data ?? {};
  await request.delete(`${API_URL}/schedules/${sched.id}`, { headers: auth() }).catch(() => {});
});