/**
 * Test setup for DevPerf Dashboard Backend
 *
 * This file provides common test utilities and mock helpers for the
 * Hono-based API test suite. Since the real DB requires SQLite and
 * Drizzle migrations, unit tests operate on the Hono app directly
 * using Hono's built-in test client (app.request).
 */

import { SignJWT } from 'jose';

// Shared test JWT secret (matches .env.example)
export const TEST_JWT_SECRET = 'test-secret-for-unit-tests-at-least-16-chars';
const secret = new TextEncoder().encode(TEST_JWT_SECRET);

/**
 * Generate a valid JWT token for test requests.
 */
export async function createTestToken(payload: {
  sub: string;
  email: string;
  role: string;
  displayName: string;
}): Promise<string> {
  return new SignJWT(payload)
    .setProtectedHeader({ alg: 'HS256' })
    .setIssuedAt()
    .setExpirationTime('1h')
    .sign(secret);
}

/**
 * Standard test user fixtures.
 */
export const TEST_USERS = {
  admin: {
    sub: 'user-admin-001',
    email: 'admin@test.com',
    role: 'admin',
    displayName: 'Test Admin',
  },
  manager: {
    sub: 'user-mgr-001',
    email: 'manager@test.com',
    role: 'manager',
    displayName: 'Test Manager',
  },
  developer: {
    sub: 'user-dev-001',
    email: 'dev@test.com',
    role: 'developer',
    displayName: 'Test Developer',
  },
  viewer: {
    sub: 'user-viewer-001',
    email: 'viewer@test.com',
    role: 'viewer',
    displayName: 'Test Viewer',
  },
};

/**
 * Helper to build request with auth header.
 */
export function authHeaders(token: string): Record<string, string> {
  return {
    Authorization: `Bearer ${token}`,
    'Content-Type': 'application/json',
  };
}

/**
 * Assert a JSON response matches the standard ApiResponse shape.
 */
export function assertApiResponse(body: any) {
  if (typeof body.code !== 'number') {
    throw new Error(`Expected body.code to be a number, got ${typeof body.code}`);
  }
  if (typeof body.message !== 'string') {
    throw new Error(`Expected body.message to be a string, got ${typeof body.message}`);
  }
  if (!('data' in body)) {
    throw new Error('Expected body to have a "data" property');
  }
}