import { describe, it, expect, vi, beforeEach, afterEach } from "vitest";
import { NextRequest } from "next/server";

vi.mock("@/src/modules/marketing/lib/run-marketing", () => ({ runMarketing: vi.fn() }));

import { GET } from "@/src/app/api/cron/marketing/route";
import { runMarketing } from "@/src/modules/marketing/lib/run-marketing";

function request(query = "", auth: string | null = "Bearer geheim") {
  return new NextRequest(`http://localhost/api/cron/marketing${query}`, {
    headers: auth ? { authorization: auth } : {},
  });
}

beforeEach(() => {
  vi.clearAllMocks();
  process.env.CRON_SECRET = "geheim";
  delete process.env.VERCEL_ENV;
  vi.mocked(runMarketing).mockResolvedValue({
    today: "2026-10-05",
    dryRun: false,
    incomplete: false,
    businesses: [],
  });
});

afterEach(() => {
  delete process.env.VERCEL_ENV;
});

describe("GET /api/cron/marketing", () => {
  it("lässt nur Aufrufe mit dem Secret durch", async () => {
    expect((await GET(request("", null))).status).toBe(401);
    expect((await GET(request("", "Bearer falsch"))).status).toBe(401);
    expect(runMarketing).not.toHaveBeenCalled();
  });

  it("startet den Lauf mit den Test-Parametern", async () => {
    const res = await GET(request("?dryRun=1&date=2026-05-12&businessId=biz-1"));
    expect(res.status).toBe(200);
    expect(runMarketing).toHaveBeenCalledWith(
      expect.objectContaining({ dryRun: true, today: "2026-05-12", businessId: "biz-1" })
    );
  });

  it("erlaubt kein Datum in Production", async () => {
    process.env.VERCEL_ENV = "production";
    expect((await GET(request("?date=2026-05-12"))).status).toBe(400);
    expect(runMarketing).not.toHaveBeenCalled();
  });

  it("lehnt ein kaputtes Datum ab", async () => {
    expect((await GET(request("?date=12.05.2026"))).status).toBe(400);
  });

  it("verweigert ohne CRON_SECRET", async () => {
    delete process.env.CRON_SECRET;
    expect((await GET(request())).status).toBe(500);
  });
});