import test from "node:test";
import assert from "node:assert/strict";
import os from "node:os";
import path from "node:path";
import fs from "node:fs/promises";

import {
  clearFlightFinderRunState,
  loadFlightFinderRunState,
  saveFlightFinderRunState
} from "../src/run-state.js";
import {
  DFW_BLQ_2026_PROMPT_DRAFT,
  normalizeFlightReportRequest
} from "../src/request-normalizer.js";

test("save/load/clearFlightFinderRunState persists the resumable phase context", async () => {
  const baseDir = await fs.mkdtemp(
    path.join(os.tmpdir(), "flight-finder-run-state-")
  );
  const request = normalizeFlightReportRequest(DFW_BLQ_2026_PROMPT_DRAFT).request;

  await saveFlightFinderRunState(
    {
      request,
      lastCompletedPhase: "search",
      updatedAt: "2026-03-30T21:00:00Z",
      reportWarnings: [],
      degradedReasons: [],
      sourceFindings: [],
      comparisonCurrency: "USD"
    },
    baseDir
  );

  const loaded = await loadFlightFinderRunState(baseDir);
  assert.equal(loaded?.lastCompletedPhase, "search");
  assert.equal(loaded?.request.tripName, "DFW ↔ BLQ flight report");

  await clearFlightFinderRunState(baseDir);
  assert.equal(await loadFlightFinderRunState(baseDir), null);
});