import test from "node:test";
import assert from "node:assert/strict";

import {
  DFW_BLQ_2026_PROMPT_DRAFT,
  normalizeFlightReportRequest
} from "../src/request-normalizer.js";

test("normalizeFlightReportRequest preserves the legacy DFW-BLQ split-return structure", () => {
  const result = normalizeFlightReportRequest(DFW_BLQ_2026_PROMPT_DRAFT);

  assert.equal(result.readyToSearch, true);
  assert.deepEqual(result.missingSearchInputs, []);
  assert.deepEqual(result.missingDeliveryInputs, []);
  assert.equal(result.request.preferences.marketCountry, "TH");
  assert.equal(result.request.preferences.normalizeCurrencyTo, "USD");
  assert.equal(result.request.legs.length, 3);
  assert.equal(result.request.passengerGroups.length, 2);
  assert.deepEqual(
    result.request.legAssignments.find((entry) => entry.legId === "outbound")?.passengerGroupIds,
    ["pair", "solo"]
  );
  assert.equal(
    result.request.preferences.requireAirlineDirectCrossCheck,
    true
  );
});

test("normalizeFlightReportRequest keeps email missing as a delivery gate, not a search blocker", () => {
  const result = normalizeFlightReportRequest({
    ...DFW_BLQ_2026_PROMPT_DRAFT,
    recipientEmail: null
  });

  assert.equal(result.readyToSearch, true);
  assert.deepEqual(result.missingSearchInputs, []);
  assert.deepEqual(result.missingDeliveryInputs, ["recipient email"]);
  assert.match(result.warnings.join(" "), /recipient email/i);
});

test("normalizeFlightReportRequest reports missing search-critical inputs explicitly", () => {
  const result = normalizeFlightReportRequest({
    tripName: "Incomplete flight request",
    legs: [
      {
        id: "outbound",
        origin: "DFW",
        destination: "",
        label: "Outbound"
      }
    ],
    passengerGroups: [],
    legAssignments: []
  });

  assert.equal(result.readyToSearch, false);
  assert.match(result.missingSearchInputs.join(" | "), /origin and destination/i);
  assert.match(result.missingSearchInputs.join(" | "), /date window/i);
  assert.match(result.missingSearchInputs.join(" | "), /passenger groups/i);
  assert.match(result.missingSearchInputs.join(" | "), /assignments/i);
});

test("normalizeFlightReportRequest validates marketCountry as an ISO alpha-2 code", () => {
  assert.throws(
    () =>
      normalizeFlightReportRequest({
        ...DFW_BLQ_2026_PROMPT_DRAFT,
        preferences: {
          ...DFW_BLQ_2026_PROMPT_DRAFT.preferences,
          marketCountry: "Germany"
        }
      }),
    /ISO 3166-1 alpha-2/i
  );
});

test("normalizeFlightReportRequest uppercases a lowercase marketCountry code", () => {
  const result = normalizeFlightReportRequest({
    ...DFW_BLQ_2026_PROMPT_DRAFT,
    preferences: {
      ...DFW_BLQ_2026_PROMPT_DRAFT.preferences,
      marketCountry: "th"
    }
  });

  assert.equal(result.request.preferences.marketCountry, "TH");
});

test("normalizeFlightReportRequest flags a malformed recipient email without blocking search readiness", () => {
  const result = normalizeFlightReportRequest({
    ...DFW_BLQ_2026_PROMPT_DRAFT,
    recipientEmail: "stefano-at-example"
  });

  assert.equal(result.readyToSearch, true);
  assert.deepEqual(result.missingDeliveryInputs, ["valid recipient email"]);
  assert.match(result.warnings.join(" "), /malformed/i);
});