/**
 * Tests integration des routes /api/webhooks/{baserow,docmost} (R1).
 * Pas de vrai Redis : on injecte un fake qui implemente l'API minimale.
 */

import { createHmac } from 'node:crypto';
import { Hono } from 'hono';
import { afterEach, describe, expect, it } from 'vitest';
import type { RedisCache } from '../../src/adapters/redis-cache.js';
import { setContainer } from '../../src/lib/container.js';
import { logger } from '../../src/lib/logger.js';
import { errorHandler } from '../../src/middleware/error-handler.js';
import { webhooksRoutes } from '../../src/routes/webhooks.js';

const BASEROW_SECRET = 'baserow-test-secret-32chars-long-ok';
const DOCMOST_SECRET = 'docmost-test-secret-32chars-long-ok';

class FakeRedis {
  public seen = new Set<string>();
  public invalidated: string[] = [];

  checkAndStoreEventId(id: string): Promise<boolean> {
    if (this.seen.has(id)) return Promise.resolve(true);
    this.seen.add(id);
    return Promise.resolve(false);
  }

  invalidatePattern(pattern: string): Promise<number> {
    this.invalidated.push(pattern);
    return Promise.resolve(1);
  }
}

function installContainer(redis: FakeRedis, withDocmostSecret = true) {
  setContainer({
    config: {
      nodeEnv: 'test',
      port: 0,
      logLevel: 'fatal',
      baserowApiUrl: 'http://localhost',
      baserowApiToken: 'fake',
      redisUrl: 'redis://localhost',
      baserowWebhookSecret: BASEROW_SECRET,
      docmostWebhookSecret: withDocmostSecret ? DOCMOST_SECRET : undefined,
      bridgeApiTokens: undefined,
      rateLimitGlobalMax: 10000,
      rateLimitGlobalWindow: 60,
      rateLimitMutationMax: 10000,
      rateLimitMutationWindow: 60,
    },
    // biome-ignore lint/suspicious/noExplicitAny: fake injection
    baserow: {} as any,
    redis: redis as unknown as RedisCache,
    // biome-ignore lint/suspicious/noExplicitAny: fake injection
    repos: {} as any,
    tokens: new Map(),
    oidc: null,
    groupsScopesMap: {},
    logger,
  });
}

function buildApp() {
  const app = new Hono();
  app.onError(errorHandler);
  app.route('/api/webhooks', webhooksRoutes);
  return app;
}

function sign(body: string, secret: string): string {
  return createHmac('sha256', secret).update(body, 'utf8').digest('hex');
}

afterEach(() => {
  setContainer(null);
});

describe('POST /api/webhooks/baserow', () => {
  it('200 si HMAC valide + payload connu', async () => {
    const redis = new FakeRedis();
    installContainer(redis);
    const app = buildApp();

    const body = JSON.stringify({
      event_id: 'evt-baserow-1',
      event_type: 'rows.created',
      table_id: 42,
      items: [{ id: 100 }],
    });
    const res = await app.request('/api/webhooks/baserow', {
      method: 'POST',
      headers: {
        'Content-Type': 'application/json',
        'X-Baserow-Signature': sign(body, BASEROW_SECRET),
      },
      body,
    });
    expect(res.status).toBe(200);
    const json = (await res.json()) as { status: string; tableId: number };
    expect(json.status).toBe('processed');
    expect(json.tableId).toBe(42);
    expect(redis.invalidated).toContain('bridge:tables:42:list:*');
    expect(redis.invalidated).toContain('bridge:tables:42:views:*');
  });

  it('401 AUTH_REQUIRED si header absent', async () => {
    const redis = new FakeRedis();
    installContainer(redis);
    const app = buildApp();
    const res = await app.request('/api/webhooks/baserow', {
      method: 'POST',
      headers: { 'Content-Type': 'application/json' },
      body: JSON.stringify({}),
    });
    expect(res.status).toBe(401);
    const json = (await res.json()) as { error: { code: string } };
    expect(json.error.code).toBe('AUTH_REQUIRED');
  });

  it('401 AUTH_INVALID si HMAC mismatch', async () => {
    const redis = new FakeRedis();
    installContainer(redis);
    const app = buildApp();

    const body = JSON.stringify({
      event_id: 'evt',
      event_type: 'rows.created',
      table_id: 1,
    });
    const res = await app.request('/api/webhooks/baserow', {
      method: 'POST',
      headers: {
        'Content-Type': 'application/json',
        'X-Baserow-Signature': 'a'.repeat(64),
      },
      body,
    });
    expect(res.status).toBe(401);
    const json = (await res.json()) as { error: { code: string } };
    expect(json.error.code).toBe('AUTH_INVALID');
  });

  it('replay meme event_id -> 200 + status duplicate', async () => {
    const redis = new FakeRedis();
    installContainer(redis);
    const app = buildApp();

    const body = JSON.stringify({
      event_id: 'evt-dup',
      event_type: 'rows.created',
      table_id: 1,
      items: [{ id: 1 }],
    });
    const headers = {
      'Content-Type': 'application/json',
      'X-Baserow-Signature': sign(body, BASEROW_SECRET),
    };

    const res1 = await app.request('/api/webhooks/baserow', { method: 'POST', headers, body });
    expect(res1.status).toBe(200);
    const json1 = (await res1.json()) as { status: string };
    expect(json1.status).toBe('processed');

    const res2 = await app.request('/api/webhooks/baserow', { method: 'POST', headers, body });
    expect(res2.status).toBe(200);
    const json2 = (await res2.json()) as { status: string; eventId: string };
    expect(json2.status).toBe('duplicate');
    expect(json2.eventId).toBe('evt-dup');
  });

  it('table_id 0 -> 400 (validation zod : table_id positif)', async () => {
    const redis = new FakeRedis();
    installContainer(redis);
    const app = buildApp();

    const body = JSON.stringify({
      event_id: 'evt',
      event_type: 'rows.created',
      table_id: 0,
      items: [],
    });
    const res = await app.request('/api/webhooks/baserow', {
      method: 'POST',
      headers: {
        'Content-Type': 'application/json',
        'X-Baserow-Signature': sign(body, BASEROW_SECRET),
      },
      body,
    });
    expect(res.status).toBe(400);
  });

  it('payload malforme (event_id manquant) -> 400 VALIDATION_ERROR', async () => {
    const redis = new FakeRedis();
    installContainer(redis);
    const app = buildApp();

    const body = JSON.stringify({ event_type: 'rows.created', table_id: 1 });
    const res = await app.request('/api/webhooks/baserow', {
      method: 'POST',
      headers: {
        'Content-Type': 'application/json',
        'X-Baserow-Signature': sign(body, BASEROW_SECRET),
      },
      body,
    });
    expect(res.status).toBe(400);
    const json = (await res.json()) as { error: { code: string } };
    expect(json.error.code).toBe('VALIDATION_ERROR');
  });

  it('body JSON invalide -> 400 VALIDATION_ERROR', async () => {
    const redis = new FakeRedis();
    installContainer(redis);
    const app = buildApp();

    const body = 'not-json{';
    const res = await app.request('/api/webhooks/baserow', {
      method: 'POST',
      headers: {
        'Content-Type': 'application/json',
        'X-Baserow-Signature': sign(body, BASEROW_SECRET),
      },
      body,
    });
    expect(res.status).toBe(400);
    const json = (await res.json()) as { error: { code: string } };
    expect(json.error.code).toBe('VALIDATION_ERROR');
  });

  it('event_type non supporte -> 400 VALIDATION_ERROR', async () => {
    const redis = new FakeRedis();
    installContainer(redis);
    const app = buildApp();

    const body = JSON.stringify({
      event_id: 'evt',
      event_type: 'rows.weird',
      table_id: 1,
      items: [],
    });
    const res = await app.request('/api/webhooks/baserow', {
      method: 'POST',
      headers: {
        'Content-Type': 'application/json',
        'X-Baserow-Signature': sign(body, BASEROW_SECRET),
      },
      body,
    });
    expect(res.status).toBe(400);
  });
});

describe('POST /api/webhooks/docmost', () => {
  it('200 si HMAC valide + payload minimal', async () => {
    const redis = new FakeRedis();
    installContainer(redis);
    const app = buildApp();

    const body = JSON.stringify({
      event_id: 'doc-1',
      event_type: 'page.updated',
      page_id: 'p-42',
    });
    const res = await app.request('/api/webhooks/docmost', {
      method: 'POST',
      headers: {
        'Content-Type': 'application/json',
        'X-Docmost-Signature': sign(body, DOCMOST_SECRET),
      },
      body,
    });
    expect(res.status).toBe(200);
    const json = (await res.json()) as { status: string; eventType: string };
    expect(json.status).toBe('logged');
    expect(json.eventType).toBe('page.updated');
  });

  it('200 sans event_id (skip idempotence)', async () => {
    const redis = new FakeRedis();
    installContainer(redis);
    const app = buildApp();

    const body = JSON.stringify({ event_type: 'page.created' });
    const res = await app.request('/api/webhooks/docmost', {
      method: 'POST',
      headers: {
        'Content-Type': 'application/json',
        'X-Docmost-Signature': sign(body, DOCMOST_SECRET),
      },
      body,
    });
    expect(res.status).toBe(200);
    const json = (await res.json()) as { status: string };
    expect(json.status).toBe('logged');
  });

  it('401 si header absent', async () => {
    const redis = new FakeRedis();
    installContainer(redis);
    const app = buildApp();

    const res = await app.request('/api/webhooks/docmost', {
      method: 'POST',
      headers: { 'Content-Type': 'application/json' },
      body: '{}',
    });
    expect(res.status).toBe(401);
  });

  it('401 si HMAC mismatch', async () => {
    const redis = new FakeRedis();
    installContainer(redis);
    const app = buildApp();

    const body = JSON.stringify({ event_type: 'page.updated' });
    const res = await app.request('/api/webhooks/docmost', {
      method: 'POST',
      headers: {
        'Content-Type': 'application/json',
        'X-Docmost-Signature': 'a'.repeat(64),
      },
      body,
    });
    expect(res.status).toBe(401);
    const json = (await res.json()) as { error: { code: string } };
    expect(json.error.code).toBe('AUTH_INVALID');
  });

  it('replay meme event_id -> duplicate', async () => {
    const redis = new FakeRedis();
    installContainer(redis);
    const app = buildApp();

    const body = JSON.stringify({ event_id: 'doc-dup', event_type: 'page.updated' });
    const headers = {
      'Content-Type': 'application/json',
      'X-Docmost-Signature': sign(body, DOCMOST_SECRET),
    };

    const res1 = await app.request('/api/webhooks/docmost', { method: 'POST', headers, body });
    expect(res1.status).toBe(200);
    const json1 = (await res1.json()) as { status: string };
    expect(json1.status).toBe('logged');

    const res2 = await app.request('/api/webhooks/docmost', { method: 'POST', headers, body });
    expect(res2.status).toBe(200);
    const json2 = (await res2.json()) as { status: string };
    expect(json2.status).toBe('duplicate');
  });

  it('401 si docmostWebhookSecret absent (stub bloque)', async () => {
    const redis = new FakeRedis();
    installContainer(redis, false);
    const app = buildApp();

    const body = JSON.stringify({ event_type: 'page.updated' });
    const res = await app.request('/api/webhooks/docmost', {
      method: 'POST',
      headers: {
        'Content-Type': 'application/json',
        'X-Docmost-Signature': sign(body, DOCMOST_SECRET),
      },
      body,
    });
    expect(res.status).toBe(401);
  });

  it('payload sans event_type -> 400', async () => {
    const redis = new FakeRedis();
    installContainer(redis);
    const app = buildApp();

    const body = JSON.stringify({ foo: 'bar' });
    const res = await app.request('/api/webhooks/docmost', {
      method: 'POST',
      headers: {
        'Content-Type': 'application/json',
        'X-Docmost-Signature': sign(body, DOCMOST_SECRET),
      },
      body,
    });
    expect(res.status).toBe(400);
  });
});