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

const authorizeTicket = vi.fn();
const notifyCommission = vi.fn();
const deleteObject = vi.fn();
const deleteReturning = vi.fn();
const deleteWhere = vi.fn();
const updateWhere = vi.fn();

const tx = {
  delete: vi.fn(() => ({ where: deleteWhere })),
  update: vi.fn(() => ({ set: () => ({ where: updateWhere }) })),
};

vi.mock("@/db", () => ({ getDb: () => ({ transaction: async (run: (value: typeof tx) => Promise<unknown>) => run(tx) }) }));
vi.mock("@/lib/commission/tickets", () => ({ authorizeTicket }));
vi.mock("@/lib/commission/server", () => ({ notifyCommission }));
vi.mock("@/lib/media/storage", () => ({ getMediaStorage: async () => ({ delete: deleteObject }) }));
vi.mock("@/lib/security/rate-limit", () => ({ limitRequest: async () => undefined }));

const { DELETE } = await import("./route");
const ticketId = "11111111-1111-4111-8111-111111111111";
const messageId = "22222222-2222-4222-8222-222222222222";
const ownerId = "owner-1";

function deletionRequest(origin = "https://guide.sudloh.com") {
  return new Request(`https://guide.sudloh.com/api/commission/tickets/${ticketId}/messages/${messageId}`,
    { method: "DELETE", headers: { Origin: origin } });
}

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

describe("commission message deletion", () => {
  beforeEach(() => {
    process.env.BETTER_AUTH_URL = "https://guide.sudloh.com";
    vi.clearAllMocks();
    authorizeTicket.mockResolvedValue({ ticket: { userId: ownerId, status: "open" }, user: { id: ownerId } });
    deleteWhere.mockImplementation(() => ({ returning: deleteReturning }));
    deleteReturning.mockResolvedValue([{ imageObjectKey: "commission/messages/image-1",
      imageObjectKeys: ["commission/messages/image-2", "commission/messages/image-3"] }]);
    updateWhere.mockResolvedValue(undefined);
    deleteObject.mockResolvedValue(undefined);
    notifyCommission.mockResolvedValue(undefined);
  });

  it("rejects cross-origin requests before ticket authorization", async () => {
    const response = await DELETE(deletionRequest("https://example.com"), context());
    expect(response.status).toBe(403);
    expect(authorizeTicket).not.toHaveBeenCalled();
  });

  it("deletes only a message owned by the current user in this ticket", async () => {
    const response = await DELETE(deletionRequest(), context());
    expect(response.status).toBe(204);
    const condition = deleteWhere.mock.calls[0][0];
    const query = new PgDialect().sqlToQuery(condition);
    expect(query.sql).toContain('"ticket_id"');
    expect(query.sql).toContain('"author_id"');
    expect(query.params).toContain(ticketId);
    expect(query.params).toContain(messageId);
    expect(query.params).toContain(ownerId);
    expect(deleteObject).toHaveBeenCalledWith("commission/messages/image-1");
    expect(deleteObject).toHaveBeenCalledWith("commission/messages/image-2");
    expect(deleteObject).toHaveBeenCalledWith("commission/messages/image-3");
    expect(notifyCommission).toHaveBeenCalledWith(ticketId, ownerId);
  });

  it("rejects deletion when the ticket is closed", async () => {
    authorizeTicket.mockResolvedValue({ ticket: { userId: ownerId, status: "closed" }, user: { id: ownerId } });
    const response = await DELETE(deletionRequest(), context());
    expect(response.status).toBe(409);
    expect(tx.delete).not.toHaveBeenCalled();
    expect(deleteObject).not.toHaveBeenCalled();
    expect(notifyCommission).not.toHaveBeenCalled();
  });

  it("leaves storage and notifications untouched when no owned message exists", async () => {
    deleteReturning.mockResolvedValue([]);
    const response = await DELETE(deletionRequest(), context());
    expect(response.status).toBe(404);
    expect(deleteObject).not.toHaveBeenCalled();
    expect(notifyCommission).not.toHaveBeenCalled();
  });
});