import { describe, expect, it, vi } from "vitest";

const set = vi.fn().mockResolvedValue(null);
const getRedisClient = vi.fn().mockResolvedValue({ set });
const inspectImage = vi.fn();
const verifyCommissionSlip = vi.fn();
const limit = vi.fn();
const evalRedis = vi.fn().mockResolvedValue(0);

vi.mock("server-only", () => ({}));
vi.mock("@/lib/redis/client", () => ({ getRedisClient }));
vi.mock("@/db", () => ({ getDb: () => ({ select: () => ({ from: () => ({ where: () => ({ limit }) }) }) }) }));
vi.mock("@/lib/media/inspect", () => ({ inspectImage }));
vi.mock("@/lib/commission/payment", () => ({ verifyCommissionSlip }));

const { verifyAndCreateTicket } = await import("./slip-upload");

describe("commission slip submission lock", () => {
  it("rejects a second verification for the same checkout before calling Slip2Go", async () => {
    const checkout = { id: "checkout-1", userId: "customer-1", amountBaht: 150 };
    const file = new File(["image"], "slip.png", { type: "image/png" });
    await expect(verifyAndCreateTicket(checkout as Parameters<typeof verifyAndCreateTicket>[0], file))
      .rejects.toMatchObject({ status: 409, message: "slip-verification-in-progress" });
    expect(set).toHaveBeenCalledWith(expect.stringContaining(":commission-slip-lock:checkout-1"),
      expect.any(String), "EX", 60, "NX");
    expect(inspectImage).not.toHaveBeenCalled();
    expect(verifyCommissionSlip).not.toHaveBeenCalled();
  });

  it("rejects an unpaid expired checkout before verifying its slip", async () => {
    set.mockResolvedValueOnce("OK");
    getRedisClient.mockResolvedValueOnce({ set, eval: evalRedis });
    limit.mockResolvedValueOnce([]);
    const checkout = { id: "checkout-2", userId: "customer-1", amountBaht: 150,
      createdAt: new Date(Date.now() - 3_600_000) };
    const file = new File(["image"], "slip.png", { type: "image/png" });
    await expect(verifyAndCreateTicket(checkout as Parameters<typeof verifyAndCreateTicket>[0], file))
      .rejects.toMatchObject({ status: 410, message: "checkout-expired" });
    expect(inspectImage).not.toHaveBeenCalled();
    expect(verifyCommissionSlip).not.toHaveBeenCalled();
  });

  it("still returns an existing ticket after the checkout deadline", async () => {
    set.mockResolvedValueOnce("OK");
    getRedisClient.mockResolvedValueOnce({ set, eval: evalRedis });
    limit.mockResolvedValueOnce([{ id: "ticket-1" }]);
    const checkout = { id: "checkout-3", userId: "customer-1", amountBaht: 150,
      createdAt: new Date(Date.now() - 3_600_000) };
    const file = new File(["image"], "slip.png", { type: "image/png" });
    expect(await verifyAndCreateTicket(checkout as Parameters<typeof verifyAndCreateTicket>[0], file))
      .toEqual({ ticketId: "ticket-1", created: false });
    expect(verifyCommissionSlip).not.toHaveBeenCalled();
  });
});