import { exec } from 'child_process';
import * as path from 'path';
import { DockerComposeEnvironment, Wait } from 'testcontainers';

export default async () => {
  const composeFilePath = path.resolve(__dirname, '../environment/e2e');

  const environment = await new DockerComposeEnvironment(
    composeFilePath,
    'docker-compose.yaml',
  )
    .withWaitStrategy('postgres_1', Wait.forHealthCheck())
    .up();

  // Store the environment details for teardown
  (global as any).__TESTCONTAINERS_ENVIRONMENT__ = environment;

  // Run migrations
  await new Promise<void>((resolve, reject) => {
    console.info("running migration")
    exec(
      'env && npm run migration:run',
      { env: { ...process.env, ...readEnvFile() } },
      (err, stdout, stderr) => {
        if (err) {
          console.error(stderr);
          return reject(err);
        }
        console.log(stdout);
        resolve();
      },
    );
  });
};

function readEnvFile() {
  const fs = require('fs');
  const dotenv = require('dotenv');
  const envConfig = dotenv.parse(fs.readFileSync('.env.e2e'));
  return envConfig;
}