import { describe, expect, it, afterEach } from 'vitest';
import express from 'express';
import request from 'supertest';

import { registerTtsRoutes } from './routes.js';
import { normalizeCustomOpenAIBaseURL } from './base-url.js';

const createApp = () => {
  const app = express();
  app.use(express.json());
  registerTtsRoutes(app, {
    resolveZenModel: async () => 'gpt-5-nano',
    sayTTSCapability: null,
  });
  return app;
};

describe('tts routes', () => {
  it('returns local note fallback while model summarization is retired', async () => {
    const response = await request(createApp())
      .post('/api/text/summarize')
      .send({
        text: 'First sentence. Second sentence with the useful insight.',
        threshold: 0,
        maxLength: 100,
        mode: 'note',
      });

    expect(response.status).toBe(200);
    expect(response.body).toMatchObject({
      summary: 'First sentence.',
      summarized: false,
      reason: 'Model summarization provider unavailable',
    });
  });

  it('keeps notification fallback behavior without calling zen', async () => {
    const response = await request(createApp())
      .post('/api/text/summarize')
      .send({
        text: 'Notification text that should fall back cleanly.',
        threshold: 0,
        maxLength: 100,
        mode: 'notification',
      });

    expect(response.status).toBe(200);
    expect(response.body).toMatchObject({
      summary: 'Notification text that should fall back cleanly.',
      summarized: false,
      reason: 'Model summarization provider unavailable',
    });
  });
});

describe('normalizeCustomOpenAIBaseURL', () => {
  const originalRuntime = process.env.OPENCHAMBER_RUNTIME;
  const originalAllowRemote = process.env.OPENCHAMBER_ALLOW_REMOTE_OPENAI_COMPAT_URLS;

  afterEach(() => {
    // Restore env vars after each test
    if (originalRuntime === undefined) {
      delete process.env.OPENCHAMBER_RUNTIME;
    } else {
      process.env.OPENCHAMBER_RUNTIME = originalRuntime;
    }
    if (originalAllowRemote === undefined) {
      delete process.env.OPENCHAMBER_ALLOW_REMOTE_OPENAI_COMPAT_URLS;
    } else {
      process.env.OPENCHAMBER_ALLOW_REMOTE_OPENAI_COMPAT_URLS = originalAllowRemote;
    }
  });

  it('rejects remote URLs when OPENCHAMBER_RUNTIME is not set (web)', () => {
    delete process.env.OPENCHAMBER_RUNTIME;
    delete process.env.OPENCHAMBER_ALLOW_REMOTE_OPENAI_COMPAT_URLS;

    const result = normalizeCustomOpenAIBaseURL('https://my-tts-server.example.com/v1');
    expect(result.error).toMatch(/Remote custom server URLs are disabled/);
    expect(result.value).toBeUndefined();
  });

  it('allows remote URLs when OPENCHAMBER_RUNTIME is desktop', () => {
    process.env.OPENCHAMBER_RUNTIME = 'desktop';
    delete process.env.OPENCHAMBER_ALLOW_REMOTE_OPENAI_COMPAT_URLS;

    const result = normalizeCustomOpenAIBaseURL('https://my-tts-server.example.com/v1');
    expect(result.error).toBeUndefined();
    expect(result.value).toBe('https://my-tts-server.example.com/v1');
  });

  it('allows remote URLs when OPENCHAMBER_ALLOW_REMOTE_OPENAI_COMPAT_URLS is true', () => {
    delete process.env.OPENCHAMBER_RUNTIME;
    process.env.OPENCHAMBER_ALLOW_REMOTE_OPENAI_COMPAT_URLS = 'true';

    const result = normalizeCustomOpenAIBaseURL('https://my-tts-server.example.com/v1');
    expect(result.error).toBeUndefined();
    expect(result.value).toBe('https://my-tts-server.example.com/v1');
  });

  it('allows localhost URLs regardless of runtime', () => {
    delete process.env.OPENCHAMBER_RUNTIME;
    delete process.env.OPENCHAMBER_ALLOW_REMOTE_OPENAI_COMPAT_URLS;

    const result = normalizeCustomOpenAIBaseURL('http://localhost:8880/v1');
    expect(result.error).toBeUndefined();
    expect(result.value).toBe('http://localhost:8880/v1');
  });

  it('strips query strings and trailing slashes', () => {
    process.env.OPENCHAMBER_RUNTIME = 'desktop';

    const result = normalizeCustomOpenAIBaseURL('https://my-server.com/v1/?key=123');
    expect(result.value).toBe('https://my-server.com/v1');
  });

  it('denies remote URLs on desktop when env var is explicitly false', () => {
    process.env.OPENCHAMBER_RUNTIME = 'desktop';
    process.env.OPENCHAMBER_ALLOW_REMOTE_OPENAI_COMPAT_URLS = 'false';

    const result = normalizeCustomOpenAIBaseURL('https://my-tts-server.example.com/v1');
    expect(result.error).toMatch(/Remote custom server URLs are disabled/);
    expect(result.value).toBeUndefined();
  });
});