import "reflect-metadata"
import { container } from "tsyringe"

import * as fs from 'fs'
import * as path from 'path'

import { InterfaceName as ConfigurationName, IConfiguration } from '../src/interfaces/IConfiguration'
import { InterfaceName as TestServiceName, TestService } from '../src/services/testService'

class Program {
  constructor() {
    this.RegisterServices()
  }

  private RegisterServices = () => {
    const nodeEnv: string | undefined = process.env.NODE_ENV
    const rawConfig: Buffer = fs.readFileSync(path.join(__dirname, `appsettings${nodeEnv === 'PROD' ? '.production': ''}.json`))
    const configuration: IConfiguration = JSON.parse(rawConfig.toString())

    container.register(ConfigurationName, { useValue: configuration })
    container.register(TestServiceName, { useClass: TestService })
  }

  public Main = () => {
    const testService = container.resolve(TestService)

    test('adds 1 + 2 to equal 3', () => {
      expect(testService.Sum(1, 2)).toBe(3)
    })
  }
}

const program = new Program
program.Main()