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

const requireCommissionUser = vi.fn();
const limitRequest = vi.fn();
const validateCommissionCatalog = vi.fn();
const promptPayConfig = vi.fn();
const transaction = vi.fn();
const forUpdate = vi.fn();
const returning = vi.fn();
const insert = vi.fn();
const values = vi.fn();

vi.mock("@/lib/commission/server", () => ({ requireCommissionUser }));
vi.mock("@/lib/security/rate-limit", () => ({ limitRequest }));
vi.mock("@/lib/commission/catalog", () => ({ validateCommissionCatalog }));
vi.mock("@/lib/commission/payment", () => ({ promptPayConfig }));
vi.mock("@/db", () => ({ getDb: () => ({ transaction }) }));

const { POST } = await import("./route");

function request(customStats?: string) {
  return new Request("https://guide.sudloh.com/api/commission/checkouts", {
    method: "POST", headers: { Origin: "https://guide.sudloh.com", "Content-Type": "application/json" },
    body: JSON.stringify({ teams: customStats === undefined ? [] : [{ members: ["a", "b", "c", "d"].map((characterKey, index) => ({
      characterKey, weaponKey: "w1", artifactKey: "artifact", customStats: index === 0 ? customStats : undefined,
    })) }], weapons: [{ characterKey: "c", weaponKeys: ["w1", "w2"] }],
      constellations: [] }),
  });
}

describe("commission checkout availability", () => {
  beforeEach(() => {
    process.env.BETTER_AUTH_URL = "https://guide.sudloh.com";
    vi.clearAllMocks();
    requireCommissionUser.mockResolvedValue({ id: "customer-1" });
    limitRequest.mockResolvedValue(undefined);
    validateCommissionCatalog.mockResolvedValue(true);
    promptPayConfig.mockReturnValue({ identifier: "test" });
    transaction.mockImplementation((callback) => callback({
      select: () => ({ from: () => ({ where: () => ({ for: forUpdate }) }) }),
      insert,
    }));
    insert.mockReturnValue({ values });
    values.mockReturnValue({ returning });
    returning.mockResolvedValue([{ id: "checkout-1" }]);
  });

  it("rejects a stale form submission after closure", async () => {
    forUpdate.mockResolvedValue([{ isOpen: false }]);
    const response = await POST(request());
    expect(response.status).toBe(409);
    expect(await response.json()).toEqual({ error: "commission-closed" });
    expect(insert).not.toHaveBeenCalled();
  });

  it("creates a checkout while open", async () => {
    forUpdate.mockResolvedValue([{ isOpen: true }]);
    const response = await POST(request());
    expect(response.status).toBe(201);
    expect(await response.json()).toEqual({ checkoutId: "checkout-1" });
    expect(insert).toHaveBeenCalledOnce();
    expect(values).toHaveBeenCalledWith(expect.objectContaining({ amountBaht: 140 }));
  });
  it("stores custom stats and charges twice the total on the server", async () => {
    forUpdate.mockResolvedValue([{ isOpen: true }]);
    const response = await POST(request("ATK 2000"));
    expect(response.status).toBe(201);
    expect(values).toHaveBeenCalledWith(expect.objectContaining({
      amountBaht: 280, request: expect.objectContaining({ teams: [{ members: [
        expect.objectContaining({ characterKey: "a", customStats: "ATK 2000" }),
        expect.objectContaining({ characterKey: "b" }), expect.objectContaining({ characterKey: "c" }),
        expect.objectContaining({ characterKey: "d" }),
      ] }] }),
    }));
  });
  it("charges twice the total for custom stats on either comparison type without a team", async () => {
    forUpdate.mockResolvedValue([{ isOpen: true }]);
    for (const kind of ["weapons", "constellations"]) {
      values.mockClear();
      const body = { teams: [], weapons: [], constellations: [], [kind]: kind === "weapons"
        ? [{ characterKey: "a", weaponKeys: ["one", "two"], customStats: "ATK 2000" }]
        : [{ characterKey: "a", levels: [0, 1], customStats: "ER 180%" }] };
      const response = await POST(new Request("https://guide.sudloh.com/api/commission/checkouts", {
        method: "POST", headers: { Origin: "https://guide.sudloh.com", "Content-Type": "application/json" },
        body: JSON.stringify(body),
      }));
      expect(response.status).toBe(201);
      expect(values).toHaveBeenCalledWith(expect.objectContaining({ amountBaht: 280,
        request: expect.objectContaining({ [kind]: expect.arrayContaining([expect.objectContaining({ customStats: body[kind][0].customStats })]) }),
      }));
    }
  });
});