import { describe, expect, it } from "vitest";
import {
  IMPORT_LOG_RETENTION_OPTIONS,
  getImportLogRetentionCutoff,
  isImportLogRetentionMonths,
} from "@shared/importLogRetention";

describe("rétention des journaux d'import", () => {
  it("propose uniquement les périodes de purge autorisées", () => {
    expect(IMPORT_LOG_RETENTION_OPTIONS).toEqual([3, 6, 12]);
    expect(isImportLogRetentionMonths(3)).toBe(true);
    expect(isImportLogRetentionMonths(6)).toBe(true);
    expect(isImportLogRetentionMonths(12)).toBe(true);
    expect(isImportLogRetentionMonths(9)).toBe(false);
  });

  it("calcule une date limite calendaire sans modifier la date de référence", () => {
    const now = new Date("2026-10-09T12:00:00.000Z");
    const cutoff = getImportLogRetentionCutoff(6, now);

    expect(cutoff.toISOString()).toBe("2026-04-09T12:00:00.000Z");
    expect(now.toISOString()).toBe("2026-10-09T12:00:00.000Z");
  });
});