/** 小 Hono + 假的 org 出口:中间件的四个出口(放行 / 401 / 403 / 票据)逐一走一遍 */
import { describe, expect, it } from 'vitest';
import { Hono } from 'hono';
import type { Position, Principal, Surface } from '@contracts';
import { positionIdSchema, staffIdSchema } from '@contracts';
import { AccountDisabledError, TokenRejectedError } from '@modules/org';
import { bearerOf, createAuthMiddleware, forbiddenBody, requiredEnds } from '../auth-middleware.ts';
import type { AppEnv } from '../http-env.ts';
import { buildRouteRegistry } from '../route-registry.ts';
import { createTicketIssuer } from '../ticket.ts';

const position: Position = { id: positionIdSchema.parse('none'), code: 'NONE', name: '未分配' };
const principal = (ends: Surface[], roles: string[]): Principal => ({
  staff: { id: staffIdSchema.parse('sub-1'), account: 'alice', name: '爱丽丝', positionId: position.id, state: 'active', roles, kind: 'person' },
  position,
  roles,
  ends,
});
const ADMIN = principal(['design', 'ops', 'workbench'], ['admin']);
const USER = principal(['workbench'], ['user']);
const NOBODY = principal([], ['auditor']);

const tickets = createTicketIssuer(Buffer.alloc(32, 3));
const now = new Date('2026-08-25T09:00:00Z');

function makeApp(): Hono<AppEnv> {
  const app = new Hono<AppEnv>();
  app.use(
    '*',
    createAuthMiddleware({
      registry: buildRouteRegistry([
        { method: 'GET', path: '/api/health', access: 'public' },
        { method: 'GET', path: '/api/me', access: 'any' },
        { method: 'GET', path: '/api/desk/tasks', access: 'workbench' },
        { method: 'GET', path: '/api/gov/tasks', access: 'ops' },
        { method: 'POST', path: '/api/gov/tasks/:taskId/control', access: 'ops' },
        { method: 'GET', path: '/api/gov/staff', access: ['design', 'ops'] },
      ]),
      org: {
        authenticate: async (token) => {
          if (token === 'admin') return ADMIN;
          if (token === 'user') return USER;
          if (token === 'nobody') return NOBODY;
          if (token === 'disabled') throw new AccountDisabledError('alice');
          throw new TokenRejectedError('签名校验失败 —— token 被篡改,或来自另一个 Keycloak 实例');
        },
        principalOf: async (id) => (id === 'sub-1' ? USER : undefined),
      },
      tickets,
      clock: { now: () => now },
    }),
  );
  app.get('/api/health', (c) => c.json({ ok: true }));
  app.get('/api/me', (c) => c.json({ account: c.get('principal')?.staff.account ?? null }));
  app.get('/api/desk/tasks', (c) => c.json({ ok: true }));
  app.get('/api/gov/tasks', (c) => c.json({ ok: true }));
  app.post('/api/gov/tasks/:taskId/control', (c) => c.json({ ok: true }));
  app.get('/api/gov/staff', (c) => c.json({ ok: true }));
  return app;
}

const app = makeApp();
// app.request() 的类型签名是 Response | Promise<Response>(Hono 4.12);包一层 Promise.resolve
// 只是把类型收窄成调用方好用的 Promise<Response>,不改变行为(await 对两者结果一致)。
const get = (path: string, headers: Record<string, string> = {}): Promise<Response> =>
  Promise.resolve(app.request(path, { headers }));
const post = (path: string, headers: Record<string, string> = {}): Promise<Response> =>
  Promise.resolve(app.request(path, { method: 'POST', headers }));
const head = (path: string, headers: Record<string, string> = {}): Promise<Response> =>
  Promise.resolve(app.request(path, { method: 'HEAD', headers }));
type Body = { code: string; message: string; detail?: { need: string[]; ends: string[] } };

describe('鉴权中间件', () => {
  it('public 不要凭据', async () => {
    expect((await get('/api/health')).status).toBe(200);
  });
  it('没凭据 → 401', async () => {
    const res = await get('/api/me');
    expect(res.status).toBe(401);
    expect(await res.json()).toEqual({ code: 'unauthenticated', message: '缺少 Bearer token' });
  });
  it('坏 token → 401 带人话', async () => {
    const res = await get('/api/me', { authorization: 'Bearer garbage' });
    expect(res.status).toBe(401);
    expect(((await res.json()) as Body).message).toContain('签名校验失败');
  });
  it('any:登录即可,连无端可进的人也行', async () => {
    const res = await get('/api/me', { authorization: 'Bearer nobody' });
    expect(res.status).toBe(200);
    expect(await res.json()).toEqual({ account: 'alice' });
  });
  it('端不够 → 403,说清需要哪个端、你能进哪几个', async () => {
    const res = await get('/api/gov/tasks', { authorization: 'Bearer user' });
    expect(res.status).toBe(403);
    const body = (await res.json()) as Body;
    expect(body.code).toBe('forbidden');
    expect(body.message).toContain('运营中心');
    expect(body.message).toContain('工作台');
    expect(body.detail).toEqual({ need: ['ops'], ends: ['workbench'] });
  });
  it('端够了 → 放行;数组归属任一命中即可', async () => {
    expect((await get('/api/gov/tasks', { authorization: 'Bearer admin' })).status).toBe(200);
    expect((await get('/api/desk/tasks', { authorization: 'Bearer user' })).status).toBe(200);
    expect((await get('/api/gov/staff', { authorization: 'Bearer admin' })).status).toBe(200);
    expect((await get('/api/gov/staff', { authorization: 'Bearer user' })).status).toBe(403);
  });
  it('账号停用 → 403(重新登录没用)', async () => {
    const res = await get('/api/me', { authorization: 'Bearer disabled' });
    expect(res.status).toBe(403);
    expect(((await res.json()) as Body).message).toContain('停用');
  });
  it('票据:GET 上认,POST 上不认', async () => {
    const { ticket } = tickets.issue('sub-1', now);
    expect((await get(`/api/desk/tasks?ticket=${encodeURIComponent(ticket)}`)).status).toBe(200);
    expect((await post(`/api/gov/tasks/t-1/control?ticket=${encodeURIComponent(ticket)}`)).status).toBe(401);
  });
  it('过期票据 → 401 指路重取', async () => {
    const { ticket } = tickets.issue('sub-1', new Date(now.getTime() - 120_000));
    const res = await get(`/api/desk/tasks?ticket=${encodeURIComponent(ticket)}`);
    expect(res.status).toBe(401);
    expect(((await res.json()) as Body).message).toContain('/api/auth/ticket');
  });
  it('Bearer 与票据同时在:Bearer 说了算', async () => {
    const { ticket } = tickets.issue('sub-1', now);
    expect((await get(`/api/gov/tasks?ticket=${encodeURIComponent(ticket)}`, { authorization: 'Bearer admin' })).status).toBe(200);
  });
  it('HEAD 按 GET 判:端不够 → 403,与 GET 同款', async () => {
    // Hono 在 #dispatch 里把 HEAD 改写成 GET 再分发,而 c.req.method 仍是 'HEAD' ——
    // 不归一的话查表必然 miss、落进「any」兜底,于是「只要登录就能跑任何 GET 处理器」。
    expect((await get('/api/gov/tasks', { authorization: 'Bearer user' })).status).toBe(403);
    expect((await head('/api/gov/tasks', { authorization: 'Bearer user' })).status).toBe(403);
  });
  it('HEAD 该进的还得进:端够了 → 200', async () => {
    expect((await head('/api/desk/tasks', { authorization: 'Bearer user' })).status).toBe(200);
  });
  it('HEAD 上的票据与 GET 同款(归一之后两条路一致)', async () => {
    const { ticket } = tickets.issue('sub-1', now);
    expect((await head(`/api/desk/tasks?ticket=${encodeURIComponent(ticket)}`)).status).toBe(200);
    expect((await head('/api/gov/tasks', {})).status).toBe(401);
  });
  it('未知路由:没凭据先 401,有凭据再 404', async () => {
    expect((await get('/api/nope')).status).toBe(401);
    expect((await get('/api/nope', { authorization: 'Bearer user' })).status).toBe(404);
  });
});

describe('小件', () => {
  it('bearerOf 认大小写与空白', () => {
    expect(bearerOf('bearer abc')).toBe('abc');
    expect(bearerOf('Bearer   abc  ')).toBe('abc');
    expect(bearerOf('Basic abc')).toBeUndefined();
    expect(bearerOf(undefined)).toBeUndefined();
    expect(bearerOf('Bearer ')).toBeUndefined();
  });
  it('requiredEnds', () => {
    expect(requiredEnds('public')).toBeUndefined();
    expect(requiredEnds('any')).toBeUndefined();
    expect(requiredEnds('ops')).toEqual(['ops']);
    expect(requiredEnds(['design', 'ops'])).toEqual(['design', 'ops']);
  });
  it('forbiddenBody 对无端可进的人如实说', () => {
    expect(forbiddenBody(['design'], NOBODY).message).toContain('无端可进');
  });
});