const { ObjectId } = require('../../../app/js/mongodb')
const { expect } = require('chai')

const ChatClient = require('./helpers/ChatClient')
const ChatApp = require('./helpers/ChatApp')

describe('Getting messages', async function () {
  const userId1 = ObjectId().toString()
  const userId2 = ObjectId().toString()
  const content1 = 'foo bar'
  const content2 = 'hello world'
  before(async function () {
    await ChatApp.ensureRunning()
  })

  describe('globally', async function () {
    const projectId = ObjectId().toString()
    before(async function () {
      const { response } = await ChatClient.sendGlobalMessage(
        projectId,
        userId1,
        content1
      )
      expect(response.statusCode).to.equal(201)
      const { response: response2 } = await ChatClient.sendGlobalMessage(
        projectId,
        userId2,
        content2
      )
      expect(response2.statusCode).to.equal(201)
    })

    it('should contain the messages and populated users when getting the messages', async function () {
      const { response, body: messages } = await ChatClient.getGlobalMessages(
        projectId
      )
      expect(response.statusCode).to.equal(200)
      expect(messages.length).to.equal(2)
      messages.reverse()
      expect(messages[0].content).to.equal(content1)
      expect(messages[0].user_id).to.equal(userId1)
      expect(messages[1].content).to.equal(content2)
      expect(messages[1].user_id).to.equal(userId2)
    })
  })

  describe('from all the threads', async function () {
    const projectId = ObjectId().toString()
    const threadId1 = ObjectId().toString()
    const threadId2 = ObjectId().toString()

    before(async function () {
      const { response } = await ChatClient.sendMessage(
        projectId,
        threadId1,
        userId1,
        'one'
      )
      expect(response.statusCode).to.equal(201)
      const { response: response2 } = await ChatClient.sendMessage(
        projectId,
        threadId2,
        userId2,
        'two'
      )
      expect(response2.statusCode).to.equal(201)
      const { response: response3 } = await ChatClient.sendMessage(
        projectId,
        threadId1,
        userId1,
        'three'
      )
      expect(response3.statusCode).to.equal(201)
      const { response: response4 } = await ChatClient.sendMessage(
        projectId,
        threadId2,
        userId2,
        'four'
      )
      expect(response4.statusCode).to.equal(201)
    })

    it('should contain a dictionary of threads with messages with populated users', async function () {
      const { response, body: threads } = await ChatClient.getThreads(projectId)
      expect(response.statusCode).to.equal(200)
      expect(Object.keys(threads).length).to.equal(2)
      const thread1 = threads[threadId1]
      expect(thread1.messages.length).to.equal(2)
      const thread2 = threads[threadId2]
      expect(thread2.messages.length).to.equal(2)

      expect(thread1.messages[0].content).to.equal('one')
      expect(thread1.messages[0].user_id).to.equal(userId1)
      expect(thread1.messages[1].content).to.equal('three')
      expect(thread1.messages[1].user_id).to.equal(userId1)

      expect(thread2.messages[0].content).to.equal('two')
      expect(thread2.messages[0].user_id).to.equal(userId2)
      expect(thread2.messages[1].content).to.equal('four')
      expect(thread2.messages[1].user_id).to.equal(userId2)
    })
  })
})