import { spawn } from 'node:child_process';
import { type AddressInfo } from 'node:net';
import path from 'node:path';

import { describe, expect, it } from 'vitest';

import { bootstrapApi } from '../apps/api/src/main';
import { API_RUNTIME_CONFIG } from '../apps/api/src/api.module';
import { bootstrapScheduler } from '../apps/scheduler/src/main';
import { SCHEDULER_RUNTIME_CONFIG } from '../apps/scheduler/src/scheduler.module';
import { bootstrapWorker } from '../apps/worker/src/main';
import { WORKER_RUNTIME_CONFIG } from '../apps/worker/src/worker.module';
import type {
  ApiRuntimeConfig,
  SchedulerRuntimeConfig,
  WorkerRuntimeConfig,
} from '../libs/config/src/runtime-config';

const redisConfig = Object.freeze({
  host: '127.0.0.1',
  port: 6379,
  username: '',
  password: '',
  database: 0,
  tls: false,
});

const mysqlConfig = Object.freeze({
  enabled: false,
  host: '127.0.0.1',
  port: 3306,
  database: 'a_share_analysis_dev',
  username: '',
  password: '',
  charset: 'utf8mb4' as const,
  collation: 'utf8mb4_general_ci' as const,
  timezone: '+08:00' as const,
});

const aiConfig = Object.freeze({
  enabled: false,
  baseUrl: '',
  apiKey: '',
  model: '',
  timeoutMs: 30_000,
});

const rocketMqConfig = Object.freeze({
  enabled: false,
  nameServerAddress: '127.0.0.1:9876',
  endpoint: '127.0.0.1:8081',
  topicPrefix: 'a-share-analysis',
});

describe('NestJS 三进程入口', () => {
  it('API 使用真实 HTTP 应用监听注入端口并可关闭', async () => {
    const config: ApiRuntimeConfig = {
      processName: 'api',
      appEnv: 'development',
      logLevel: 'debug',
      api: Object.freeze({ host: '127.0.0.1', port: 3000 }),
      tdx: Object.freeze({ baseUrl: 'http://127.0.0.1:17710', timeoutMs: 5000 }),
      aktools: Object.freeze({ baseUrl: 'http://127.0.0.1:8080', enabled: false, timeoutMs: 10000 }),
      redis: redisConfig,
      mysql: mysqlConfig,
      ai: aiConfig,
    };

    const app = await bootstrapApi({ config, port: 0, logger: false });
    const address = app.getHttpServer().address() as AddressInfo;

    expect(address.address).toBe('127.0.0.1');
    expect(address.port).toBeGreaterThan(0);
    expect(app.get(API_RUNTIME_CONFIG)).toBe(config);

    await app.close();
    expect(app.getHttpServer().listening).toBe(false);
  });

  it('Scheduler 使用无 HTTP 端口的应用上下文并可关闭', async () => {
    const config: SchedulerRuntimeConfig = {
      processName: 'scheduler',
      appEnv: 'development',
      logLevel: 'debug',
      scheduler: Object.freeze({ enabled: true, timezone: 'Asia/Shanghai' }),
      redis: Object.freeze({ ...redisConfig, database: 1 }),
      rocketMq: Object.freeze({ ...rocketMqConfig, sendTimeoutMs: 3000 }),
    };

    const app = await bootstrapScheduler({ config, logger: false });

    expect('getHttpServer' in app).toBe(false);
    expect(app.get(SCHEDULER_RUNTIME_CONFIG)).toBe(config);
    await expect(app.close()).resolves.toBeUndefined();
  });

  it('Worker 使用无 HTTP 端口的应用上下文并可关闭', async () => {
    const config: WorkerRuntimeConfig = {
      processName: 'worker',
      appEnv: 'development',
      logLevel: 'debug',
      marketData: Object.freeze({
        mode: 'mock',
        provider: 'deterministic-fixture',
        baseUrl: '',
        apiKey: '',
      }),
      redis: Object.freeze({ ...redisConfig, database: 2 }),
      mysql: mysqlConfig,
      rocketMq: Object.freeze({
        ...rocketMqConfig,
        consumerGroup: 'a-share-analysis-worker',
        consumerConcurrency: 4,
      }),
      ai: aiConfig,
    };

    const app = await bootstrapWorker({ config, logger: false });

    expect('getHttpServer' in app).toBe(false);
    expect(app.get(WORKER_RUNTIME_CONFIG)).toBe(config);
    await expect(app.close()).resolves.toBeUndefined();
  });

  it.each([
    ['scheduler', 'apps/scheduler/src/main.ts'],
    ['worker', 'apps/worker/src/main.ts'],
  ])('%s 命令入口持续运行并在 SIGTERM 后正常退出', async (processName, entry) => {
    const output: string[] = [];
    const errors: string[] = [];
    const launcher = path.resolve(__dirname, '../node_modules/tsx/dist/cli.mjs');
    const child = spawn(process.execPath, [launcher, entry], {
      cwd: path.resolve(__dirname, '..'),
      env: {
        PATH: process.env.PATH,
        APP_ENV: 'production',
        LOG_LEVEL: 'error',
        REDIS_HOST: '127.0.0.1',
        REDIS_PORT: '6379',
        REDIS_USERNAME: '',
        REDIS_PASSWORD: '',
        REDIS_DATABASE: processName === 'scheduler' ? '1' : '2',
        REDIS_TLS: 'false',
        MYSQL_ENABLED: 'false',
        MYSQL_HOST: '127.0.0.1',
        MYSQL_PORT: '3306',
        MYSQL_DATABASE: 'a_share_analysis_dev',
        MYSQL_USERNAME: '',
        MYSQL_PASSWORD: '',
        MYSQL_CHARSET: 'utf8mb4',
        MYSQL_COLLATION: 'utf8mb4_general_ci',
        MYSQL_TIMEZONE: '+08:00',
        AI_ENABLED: 'false',
        AI_BASE_URL: '',
        AI_API_KEY: '',
        AI_MODEL: '',
        AI_TIMEOUT_MS: '30000',
        ROCKETMQ_ENABLED: 'false',
        ROCKETMQ_NAMESRV_ADDR: '127.0.0.1:9876',
        ROCKETMQ_ENDPOINT: '127.0.0.1:8081',
        ROCKETMQ_TOPIC_PREFIX: 'a-share-analysis',
        ROCKETMQ_SEND_TIMEOUT_MS: '3000',
        ROCKETMQ_CONSUMER_GROUP: 'a-share-analysis-worker',
        ROCKETMQ_CONSUMER_CONCURRENCY: '4',
        SCHEDULER_ENABLED: 'true',
        SCHEDULER_TIMEZONE: 'Asia/Shanghai',
        MARKET_DATA_MODE: 'live',
        MARKET_DATA_PROVIDER: 'deterministic-fixture',
        MARKET_DATA_BASE_URL: '',
        MARKET_DATA_API_KEY: '',
      },
      stdio: ['ignore', 'pipe', 'pipe'],
    });
    child.stdout.on('data', (chunk) => output.push(String(chunk)));
    child.stderr.on('data', (chunk) => errors.push(String(chunk)));

    try {
      await new Promise((resolve) => setTimeout(resolve, 600));
      expect(
        child.exitCode,
        `${processName} 不应在启动后自行退出\nlauncher=${launcher}\nstdout=${output.join('')}\nstderr=${errors.join('')}`,
      ).toBeNull();

      child.kill('SIGTERM');
      const exitCode = await new Promise<number | null>((resolve) =>
        child.once('exit', (code) => resolve(code)),
      );
      expect(exitCode).toBe(0);
    } finally {
      if (child.exitCode === null) child.kill('SIGKILL');
    }
  });
});