import { afterEach, beforeEach, describe, expect, test } from "bun:test";
import type { AppWithContext } from "../app";
import { buildApp } from "../app";
import { createUser } from "../users/user-repository";

let app: AppWithContext;
let employeeCookie = "";
let customerCookie = "";

async function login(username: string) {
  const response = await app.inject({ method: "POST", url: "/api/login", payload: { username } });
  return response.headers["set-cookie"] as string;
}

beforeEach(async () => {
  app = await buildApp(":memory:");

  await createUser(app.dbContext, {
    username: "dev-employee",
    name: "Dev Employee",
    email: "dev.employee@example.com",
    role: "employee"
  });

  employeeCookie = await login("dev-employee");
  customerCookie = await login("john-smith");
});

afterEach(async () => {
  await app.close();
});

describe("order routes", () => {
  test("rejects customer access", async () => {
    const response = await app.inject({ method: "GET", url: "/api/orders", headers: { cookie: customerCookie } });

    expect(response.statusCode).toBe(403);
  });

  test("lists seeded orders for employee", async () => {
    const response = await app.inject({ method: "GET", url: "/api/orders", headers: { cookie: employeeCookie } });

    expect(response.statusCode).toBe(200);
    expect(response.json()).toHaveLength(7);
  });

  test("returns order detail", async () => {
    const response = await app.inject({ method: "GET", url: "/api/orders/order_1", headers: { cookie: employeeCookie } });
    const order = response.json();

    expect(response.statusCode).toBe(200);
    expect(order.orderNumber).toBe("ORD-1001");
    expect(order.items).toHaveLength(2);
  });

  test("updates item quantity with inventory check", async () => {
    const response = await app.inject({
      method: "POST",
      url: "/api/orders/order_1/items/item_1/quantity",
      headers: { cookie: employeeCookie },
      payload: { quantity: 5 }
    });

    const order = response.json();

    expect(response.statusCode).toBe(200);
    expect(order.items.find((item: { id: string }) => item.id === "item_1")?.quantity).toBe(5);
  });

  test("updates shipping address", async () => {
    const response = await app.inject({
      method: "POST",
      url: "/api/orders/order_1/shipping-address",
      headers: { cookie: employeeCookie },
      payload: {
        fullName: "John Smith",
        line1: "50 New Street",
        line2: null,
        city: "Oakland",
        state: "CA",
        postalCode: "94607",
        country: "US"
      }
    });

    const order = response.json();

    expect(response.statusCode).toBe(200);
    expect(order.shippingAddress.city).toBe("Oakland");
  });

  test("cancels eligible order", async () => {
    const response = await app.inject({
      method: "POST",
      url: "/api/orders/order_2/cancel",
      headers: { cookie: employeeCookie },
      payload: { reason: "Customer request" }
    });

    expect(response.statusCode).toBe(200);
    expect(response.json().status).toBe("cancelled");
  });
});