import { config as setupEnv } from 'dotenv-flow';
setupEnv({ silent: true });

import NodeEnvironment from 'jest-environment-node';
import { Client } from 'pg';
import { v4 as uuidv4 } from 'uuid';
import { createDatabase, teardown } from './db';

class TestEnvironmentWithDatabases extends NodeEnvironment {
  private dbname?: string;
  private testClient?: Client;
  async setup() {
    await super.setup();
    this.dbname = `testdb-${uuidv4()}`;
    this.testClient = await createDatabase(this.dbname);
    this.global.TYPEORM_DATABASE = this.dbname;
  }

  async teardown() {
    await super.teardown();
    if (this.testClient && this.dbname) {
      await teardown(this.testClient, this.dbname);
    }
  }
}

module.exports = TestEnvironmentWithDatabases;