import { PgDialect } from "drizzle-orm/pg-core";
import type { SQL } from "drizzle-orm";
import { beforeEach, describe, expect, it, vi } from "vitest";

const authorizeTicket = vi.fn();
const selectLimit = vi.fn();
const selectWhere = vi.fn((condition: SQL) => { void condition; return { limit: selectLimit }; });
const insertReturning = vi.fn();
const insertValues = vi.fn(() => ({ returning: insertReturning }));
const updateWhere = vi.fn();
const tx = { insert: vi.fn(() => ({ values: insertValues })), update: vi.fn(() => ({ set: () => ({ where: updateWhere }) })) };
const notifyCommission = vi.fn();

vi.mock("@/lib/commission/tickets", () => ({ authorizeTicket }));
vi.mock("@/lib/commission/server", () => ({ notifyCommission }));
vi.mock("@/lib/commission/push", () => ({ sendCommissionMessagePush: vi.fn() }));
vi.mock("@/lib/security/rate-limit", () => ({ limitRequest: async () => undefined }));
vi.mock("next/server", () => ({ after: vi.fn() }));
vi.mock("@/db", () => ({ getDb: () => ({
  select: () => ({ from: () => ({ where: selectWhere }) }),
  transaction: async (run: (value: typeof tx) => Promise<unknown>) => run(tx),
}) }));

const { POST } = await import("./route");
const ticketId = "11111111-1111-4111-8111-111111111111";
const parentId = "22222222-2222-4222-8222-222222222222";
const messageId = "33333333-3333-4333-8333-333333333333";

function request(replyToId: string) {
  const body = new FormData();
  body.set("text", "A reply");
  body.set("replyToId", replyToId);
  return new Request(`https://guide.sudloh.com/api/commission/tickets/${ticketId}/messages`, {
    method: "POST", headers: { Origin: "https://guide.sudloh.com" }, body,
  });
}

function context() {
  return { params: Promise.resolve({ id: ticketId }) } as RouteContext<"/api/commission/tickets/[id]/messages">;
}

describe("commission message replies", () => {
  beforeEach(() => {
    process.env.BETTER_AUTH_URL = "https://guide.sudloh.com";
    vi.clearAllMocks();
    authorizeTicket.mockResolvedValue({ ticket: { status: "open", userId: "user-1", title: "A ticket" },
      user: { id: "user-1", name: "User" } });
    selectLimit.mockResolvedValue([{ id: parentId }]);
    insertReturning.mockResolvedValue([{ id: messageId }]);
  });

  it("accepts a reply only after looking up its parent in the same ticket", async () => {
    const response = await POST(request(parentId), context());
    expect(response.status).toBe(201);
    const condition = new PgDialect().sqlToQuery(selectWhere.mock.calls[0][0]);
    expect(condition.sql).toContain('"ticket_id"');
    expect(condition.params).toContain(ticketId);
    expect(condition.params).toContain(parentId);
    expect(insertValues).toHaveBeenCalledWith(expect.objectContaining({ replyToId: parentId }));
  });

  it("rejects a parent that is absent from this ticket", async () => {
    selectLimit.mockResolvedValue([]);
    const response = await POST(request(parentId), context());
    expect(response.status).toBe(404);
    expect(insertValues).not.toHaveBeenCalled();
  });
});