import { describe, expect, it } from "vitest";
import { createApp } from "../app.js";
import { loadEnv } from "../env.js";
import type { ErrorEnvelope } from "../http.js";
import { createFakeDb, emptyStore, SEED } from "../test/fake-db.js";

function expectEnvelope(body: unknown, code: string) {
  const envelope = body as ErrorEnvelope;
  expect(envelope.error.code).toBe(code);
}

function adminEnv() {
  return loadEnv({
    NODE_ENV: "test",
    DEV_AUTH_BYPASS: "true",
    DEV_AUTH_SUB: SEED.user.cognitoSub,
    DEV_AUTH_EMAIL: SEED.user.email,
    DEV_AUTH_NAME: SEED.user.name,
    DEV_AUTH_ROLE: "admin",
  });
}

function viewerEnv() {
  return loadEnv({
    NODE_ENV: "test",
    DEV_AUTH_BYPASS: "true",
    DEV_AUTH_SUB: SEED.user.cognitoSub,
    DEV_AUTH_EMAIL: SEED.user.email,
    DEV_AUTH_NAME: SEED.user.name,
    DEV_AUTH_ROLE: "viewer",
  });
}

describe("master data stubs", () => {
  it("lists and gets seeded vendors", async () => {
    const app = createApp(adminEnv(), createFakeDb());
    const list = await app.request("/api/vendors");
    expect(list.status).toBe(200);
    const listed = (await list.json()) as { items: Array<{ id: string; name: string }> };
    expect(listed.items[0]?.id).toBe(SEED.vendor.id);
    const get = await app.request(`/api/vendors/${SEED.vendor.id}`);
    expect(get.status).toBe(200);
    await expect(get.json()).resolves.toMatchObject({ id: SEED.vendor.id, name: SEED.vendor.name });
  });

  it("creates a vendor and returns 201", async () => {
    const app = createApp(adminEnv(), createFakeDb());
    const response = await app.request("/api/vendors", {
      method: "POST",
      headers: { "content-type": "application/json", origin: "http://127.0.0.1:3000" },
      body: JSON.stringify({ name: "Harbor Maintenance", defaultPaymentMethod: "ach" }),
    });
    expect(response.status).toBe(201);
    await expect(response.json()).resolves.toMatchObject({
      name: "Harbor Maintenance",
      defaultPaymentMethod: "ach",
    });
  });

  it("returns 404 for a missing vendor", async () => {
    const store = emptyStore();
    store.vendors = [];
    const app = createApp(adminEnv(), createFakeDb(store));
    const response = await app.request(`/api/vendors/${SEED.vendor.id}`);
    expect(response.status).toBe(404);
    expectEnvelope(await response.json(), "NOT_FOUND");
  });

  it("returns 403 when a non-admin writes vendors", async () => {
    const app = createApp(viewerEnv(), createFakeDb());
    const response = await app.request("/api/vendors", {
      method: "POST",
      headers: { "content-type": "application/json", origin: "http://127.0.0.1:3000" },
      body: JSON.stringify({ name: "Nope" }),
    });
    expect(response.status).toBe(403);
    expectEnvelope(await response.json(), "FORBIDDEN");
  });

  it("lists GL accounts and departments", async () => {
    const app = createApp(adminEnv(), createFakeDb());
    const gl = await app.request("/api/gl-accounts");
    expect(gl.status).toBe(200);
    const glBody = (await gl.json()) as { items: Array<{ code: string }> };
    expect(glBody.items[0]?.code).toBe("6100");
    const departments = await app.request("/api/departments");
    expect(departments.status).toBe(200);
    const deptBody = (await departments.json()) as { items: Array<{ code: string }> };
    expect(deptBody.items[0]?.code).toBe("OPS");
  });

  it("updates a user role", async () => {
    const app = createApp(adminEnv(), createFakeDb());
    const response = await app.request(`/api/users/${SEED.user.id}`, {
      method: "PATCH",
      headers: { "content-type": "application/json", origin: "http://127.0.0.1:3000" },
      body: JSON.stringify({ role: "approver" }),
    });
    expect(response.status).toBe(200);
    await expect(response.json()).resolves.toMatchObject({ role: "approver" });
  });
});