/* eslint-env mocha */
'use strict'

const chai = require('chai')
chai.use(require('dirty-chai'))
const expect = chai.expect
const PeerBook = require('peer-book')
const PeerInfo = require('peer-info')
const PeerId = require('peer-id')
const MultiAddr = require('multiaddr')
const TestPeerInfos = require('./switch/test-data/ids.json').infos

const { getPeerInfo, getPeerInfoRemote } = require('../src/get-peer-info')

describe('Get Peer Info', () => {
  describe('getPeerInfo', () => {
    let peerBook
    let peerInfoA
    let multiaddrA
    let peerIdA

    before((done) => {
      peerBook = new PeerBook()
      PeerId.createFromJSON(TestPeerInfos[0].id, (err, id) => {
        peerIdA = id
        peerInfoA = new PeerInfo(peerIdA)
        multiaddrA = MultiAddr('/ipfs/QmdWYwTywvXBeLKWthrVNjkq9SafEDn1PbAZdz4xZW7Jd9')
        peerInfoA.multiaddrs.add(multiaddrA)
        peerBook.put(peerInfoA)
        done(err)
      })
    })

    it('should be able get peer info from multiaddr', () => {
      const _peerInfo = getPeerInfo(multiaddrA, peerBook)
      expect(peerBook.has(_peerInfo)).to.equal(true)
      expect(peerInfoA).to.deep.equal(_peerInfo)
    })

    it('should return a new PeerInfo with a multiAddr not in the PeerBook', () => {
      const wrongMultiAddr = MultiAddr('/ipfs/QmckZzdVd72h9QUFuJJpQqhsZqGLwjhh81qSvZ9BhB2FQi')
      const _peerInfo = getPeerInfo(wrongMultiAddr, peerBook)
      expect(PeerInfo.isPeerInfo(_peerInfo)).to.equal(true)
    })

    it('should be able get peer info from peer id', () => {
      const _peerInfo = getPeerInfo(multiaddrA, peerBook)
      expect(peerBook.has(_peerInfo)).to.equal(true)
      expect(peerInfoA).to.deep.equal(_peerInfo)
    })

    it('should add a peerInfo to the book', (done) => {
      PeerId.createFromJSON(TestPeerInfos[1].id, (err, id) => {
        const peerInfo = new PeerInfo(id)
        expect(peerBook.has(peerInfo.id.toB58String())).to.eql(false)

        expect(getPeerInfo(peerInfo, peerBook)).to.exist()
        expect(peerBook.has(peerInfo.id.toB58String())).to.eql(true)
        done(err)
      })
    })

    it('should return the most up to date version of the peer', (done) => {
      const ma1 = MultiAddr('/ip4/0.0.0.0/tcp/8080')
      const ma2 = MultiAddr('/ip6/::/tcp/8080')
      PeerId.createFromJSON(TestPeerInfos[1].id, (err, id) => {
        const peerInfo = new PeerInfo(id)
        peerInfo.multiaddrs.add(ma1)
        expect(getPeerInfo(peerInfo, peerBook)).to.exist()

        const peerInfo2 = new PeerInfo(id)
        peerInfo2.multiaddrs.add(ma2)
        const returnedPeerInfo = getPeerInfo(peerInfo2, peerBook)
        expect(returnedPeerInfo.multiaddrs.toArray()).to.contain.members([
          ma1, ma2
        ])
        done(err)
      })
    })

    it('an invalid peer type should throw an error', () => {
      let error
      try {
        getPeerInfo('/ip4/127.0.0.1/tcp/1234', peerBook)
      } catch (err) {
        error = err
      }

      expect(error.code).to.eql('ERR_INVALID_MULTIADDR')
    })
  })

  describe('getPeerInfoRemote', () => {
    it('should callback with error for invalid string multiaddr', async () => {
      let error
      try {
        await getPeerInfoRemote('INVALID MULTIADDR')
      } catch (err) {
        error = err
      }

      expect(error.code).to.eql('ERR_INVALID_PEER_TYPE')
    })

    it('should callback with error for invalid non-peer multiaddr', async () => {
      let error
      try {
        await getPeerInfoRemote('/ip4/8.8.8.8/tcp/1080')
      } catch (err) {
        error = err
      }

      expect(error.code).to.eql('ERR_INVALID_PEER_TYPE')
    })

    it('should callback with error for invalid non-peer multiaddr', async () => {
      let error
      try {
        await getPeerInfoRemote(undefined)
      } catch (err) {
        error = err
      }

      expect(error.code).to.eql('ERR_INVALID_PEER_TYPE')
    })

    it('should callback with error for invalid non-peer multiaddr (promise)', () => {
      return getPeerInfoRemote(undefined)
        .then(expect.fail, (err) => {
          expect(err.code).to.eql('ERR_INVALID_PEER_TYPE')
        })
    })
  })
})