const Web3 = require('web3')
const chai = require('chai')
chai.use(require('chai-bignumber')()).should()

const { SampleContract } = require('../sample-truffle/src/index')
const web3Provider = new Web3.providers.HttpProvider('http://localhost:8777')
const web3 = new Web3(web3Provider)

describe(
  'Test for default settings without any cli arguments & truffle-config.js configuration',
  () => {
    let accounts
    before(async () => {
      accounts = await web3.eth.getAccounts()
      web3.eth.defaultAccount = accounts[0]
    })
    describe('SampleContract(web3).deployed()', () => {
      it('should be able to use deployed contract', async () => {
        let sampleContract = await SampleContract(web3).deployed()
        await sampleContract.add(10)
        await sampleContract.add(20)
        await sampleContract.add(30)
        let values = await sampleContract.getValues()
        values[0].toNumber().should.equal(10)
        values[1].toNumber().should.equal(20)
        values[2].toNumber().should.equal(30)
      })
    })
    describe('SampleContract(web3).new()', () => {
      it('should be able to deploy a new contract', async () => {
        let sampleContract = await SampleContract(web3).new()
        await sampleContract.add(10)
        await sampleContract.add(20)
        await sampleContract.add(30)
        let values = await sampleContract.getValues()
        values[0].toNumber().should.equal(10)
        values[1].toNumber().should.equal(20)
        values[2].toNumber().should.equal(30)
      })
    })
    describe('SampleContract(web3).at()', () => {
      it('should be able to access to a contract with its address',
        async () => {
          let sampleContract = await SampleContract(web3).deployed()
          let targetAddress = sampleContract.address
          sampleContract = await SampleContract(web3).at(targetAddress)
          await sampleContract.add(10)
          await sampleContract.add(20)
          await sampleContract.add(30)
          let values = await sampleContract.getValues()
          values[0].toNumber().should.equal(10)
          values[1].toNumber().should.equal(20)
          values[2].toNumber().should.equal(30)
        })
    })
    describe('Backward compatibility', () => {
      it('should be able to initialize with web3Provider instance for the backward compatibility',
        async () => {
          let sampleContract = await SampleContract(web3Provider).deployed()
          let targetAddress = sampleContract.address
          sampleContract = await SampleContract(web3Provider).at(targetAddress)
          await sampleContract.add(10, { from: accounts[0] })
          await sampleContract.add(20, { from: accounts[0] })
          await sampleContract.add(30, { from: accounts[0] })
          let values = await sampleContract.getValues()
          values[0].toNumber().should.equal(10)
          values[1].toNumber().should.equal(20)
          values[2].toNumber().should.equal(30)
        })
    })
  })