/**
 * Task H3 – Rollen: library-admin (global write) vs. user (read-only).
 *
 * requireLibraryAdmin schützt alle schreibenden Global-Library-Routen:
 * POST/PATCH/DELETE auf folders+blocks, import, import-zip. Lesen
 * (GET, export) bleibt für alle authentifizierten Nutzer offen.
 * library-admin ist an die bestehende admin-Rolle angebunden.
 */
import { describe, it, expect, beforeAll, afterAll } from 'vitest';
import type { FastifyInstance } from 'fastify';
import { SqliteAdapter } from '../src/database/SqliteAdapter.js';
import { createServer } from '../src/server.js';

describe('Task H3: library-admin Guard', () => {
  let app: FastifyInstance;
  let db: SqliteAdapter;
  let adminToken: string;
  let planerToken: string;

  beforeAll(async () => {
    db = new SqliteAdapter(':memory:');
    await db.init();
    app = await createServer({ db, port: 0 });
    await app.ready();

    const adminReg = await app.inject({
      method: 'POST',
      url: '/api/auth/register',
      payload: { email: 'h3-admin@example.com', password: 'Password123!', name: 'H3 Admin', role: 'admin' },
    });
    if (adminReg.statusCode !== 201) console.error('ADMIN REG FAILED:', adminReg.statusCode, adminReg.body.slice(0, 200));
    adminToken = JSON.parse(adminReg.body).session?.token ?? '';

    const planerReg = await app.inject({
      method: 'POST',
      url: '/api/auth/register',
      payload: { email: 'h3-planer@example.com', password: 'Password123!', name: 'H3 Planer', role: 'planer' },
    });
    if (planerReg.statusCode !== 201) console.error('PLANER REG FAILED:', planerReg.statusCode, planerReg.body.slice(0, 200));
    planerToken = JSON.parse(planerReg.body).session?.token ?? '';
    admin = { authorization: `Bearer ${adminToken}` };
    planer = { authorization: `Bearer ${planerToken}` };
  });

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

  // WICHTIG: Header-Objekte werden in beforeAll gebaut — der describe-Body
  // läuft VOR den Hooks, Template-Literale würden undefined capturen.
  let planer: Record<string, string>;
  let admin: Record<string, string>;

  // ── Lesen bleibt offen (beide Rollen) ──

  it('planer kann globale Ordner LESEN (200)', async () => {
    const res = await app.inject({ method: 'GET', url: '/api/global-folders', headers: planer });
    expect(res.statusCode).toBe(200);
  });

  it('planer kann globale Blöcke LESEN (200)', async () => {
    const res = await app.inject({ method: 'GET', url: '/api/global-blocks', headers: planer });
    expect(res.statusCode).toBe(200);
  });

  it('planer kann Library EXPORTIEREN (GET export, 200)', async () => {
    const res = await app.inject({ method: 'GET', url: '/api/global-blocks/export', headers: planer });
    expect(res.statusCode).toBe(200);
  });

  // ── Schreiben nur für library-admin (admin-Rolle) ──

  it('planer POST /api/global-folders → 403', async () => {
    const res = await app.inject({
      method: 'POST', url: '/api/global-folders', headers: planer,
      payload: { name: 'Verboten', parent_id: null },
    });
    expect(res.statusCode).toBe(403);
    expect(JSON.parse(res.body).error).toContain('Library');
  });

  it('planer POST /api/global-blocks → 403', async () => {
    const res = await app.inject({
      method: 'POST', url: '/api/global-blocks', headers: planer,
      payload: { name: 'Verboten', block_data: '[]' },
    });
    expect(res.statusCode).toBe(403);
  });

  it('planer PATCH /api/global-folders/:id → 403', async () => {
    const res = await app.inject({
      method: 'PATCH', url: '/api/global-folders/irgendeine-id', headers: planer,
      payload: { name: 'Hack' },
    });
    expect(res.statusCode).toBe(403);
  });

  it('planer PATCH /api/global-blocks/:id → 403', async () => {
    const res = await app.inject({
      method: 'PATCH', url: '/api/global-blocks/irgendeine-id', headers: planer,
      payload: { name: 'Hack' },
    });
    expect(res.statusCode).toBe(403);
  });

  it('planer DELETE /api/global-folders/:id → 403', async () => {
    const res = await app.inject({ method: 'DELETE', url: '/api/global-folders/irgendeine-id', headers: planer });
    expect(res.statusCode).toBe(403);
  });

  it('planer DELETE /api/global-blocks/:id → 403', async () => {
    const res = await app.inject({ method: 'DELETE', url: '/api/global-blocks/irgendeine-id', headers: planer });
    expect(res.statusCode).toBe(403);
  });

  it('planer POST /api/global-blocks/import → 403', async () => {
    const res = await app.inject({
      method: 'POST', url: '/api/global-blocks/import', headers: planer,
      payload: { format: 'wcadlib', blocks: [] },
    });
    expect(res.statusCode).toBe(403);
  });

  it('planer POST /api/global-blocks/import-zip → 403', async () => {
    const res = await app.inject({
      method: 'POST', url: '/api/global-blocks/import-zip', headers: { ...planer, 'content-type': 'application/zip' },
      payload: Buffer.from('PK'),
    });
    expect(res.statusCode).toBe(403);
  });

  // ── Admin (library-admin) darf schreiben ──

  it('admin POST /api/global-folders → 201 (write erlaubt)', async () => {
    const res = await app.inject({
      method: 'POST', url: '/api/global-folders', headers: admin,
      payload: { name: 'Admin Set', parent_id: null },
    });
    expect(res.statusCode).toBe(201);
  });

  it('admin POST /api/global-blocks → 201 (write erlaubt)', async () => {
    const res = await app.inject({
      method: 'POST', url: '/api/global-blocks', headers: admin,
      payload: { name: 'Admin Block', block_data: '[]', folder_id: null },
    });
    expect(res.statusCode).toBe(201);
  });

  // ── Unauthentifiziert bleibt 401 ──

  it('ohne Token POST /api/global-folders → 401 (nicht 403)', async () => {
    const res = await app.inject({
      method: 'POST', url: '/api/global-folders',
      payload: { name: 'Anon', parent_id: null },
    });
    expect(res.statusCode).toBe(401);
  });
});