/*
  Unit tests for the json-rpc/auth/index.js file.
*/

// Public npm libraries
import jsonrpc from 'jsonrpc-lite'

import sinon from 'sinon'
import { assert } from 'chai'
import { v4 as uid } from 'uuid'

// Local libraries
import AuthRPC from '../../../../src/controllers/json-rpc/auth/index.js'

import RateLimit from '../../../../src/controllers/json-rpc/rate-limit.js'
import adapters from '../../mocks/adapters/index.js'
import UseCasesMock from '../../mocks/use-cases/index.js'

// Set the environment variable to signal this is a test.
process.env.SVC_ENV = 'test'

describe('#AuthRPC', () => {
  let uut
  let sandbox

  beforeEach(() => {
    sandbox = sinon.createSandbox()

    const useCases = new UseCasesMock()

    uut = new AuthRPC({ adapters, useCases })
    uut.rateLimit = new RateLimit({ max: 100 })
  })

  afterEach(() => sandbox.restore())

  describe('#constructor', () => {
    it('should throw an error if adapters are not passed in', () => {
      try {
        uut = new AuthRPC()

        assert.fail('Unexpected code path')
      } catch (err) {
        assert.include(
          err.message,
          'Instance of Adapters library required when instantiating Auth JSON RPC Controller.'
        )
      }
    })

    it('should throw an error if useCases are not passed in', () => {
      try {
        uut = new AuthRPC({ adapters })

        assert.fail('Unexpected code path')
      } catch (err) {
        assert.include(
          err.message,
          'Instance of Use Cases library required when instantiating Auth JSON RPC Controller.'
        )
      }
    })
  })

  describe('#authRouter', () => {
    it('should route to the authUser method', async () => {
      // Mock dependencies
      sandbox.stub(uut, 'authUser').resolves(true)

      // Generate the parsed data that the main router would pass to this
      // endpoint.
      const id = uid()
      const authCall = jsonrpc.request(id, 'auth', { endpoint: 'authUser' })
      const jsonStr = JSON.stringify(authCall, null, 2)
      const rpcData = jsonrpc.parse(jsonStr)
      rpcData.from = 'Origin request'

      const result = await uut.authRouter(rpcData)

      assert.equal(result, true)
    })

    it('should return 500 status on routing issue', async () => {
      // Mock dependencies
      sandbox.stub(uut, 'authUser').rejects(new Error('test error'))

      // Generate the parsed data that the main router would pass to this
      // endpoint.
      const id = uid()
      const authCall = jsonrpc.request(id, 'auth', { endpoint: 'authUser' })
      const jsonStr = JSON.stringify(authCall, null, 2)
      const rpcData = jsonrpc.parse(jsonStr)
      rpcData.from = 'Origin request'

      const result = await uut.authRouter(rpcData)

      assert.equal(result.success, false)
      assert.equal(result.status, 500)
      assert.equal(result.message, 'test error')
      assert.equal(result.endpoint, 'authUser')
    })
  })

  describe('#authUser', () => {
    it('should return a JWT token if user successfully authenticates', async () => {
      // Generate the parsed data that the main router would pass to this
      // endpoint.
      const id = uid()
      const authCall = jsonrpc.request(id, 'auth', {
        endpoint: 'authUser',
        login: 'test543@test.com',
        password: 'password'
      })
      const jsonStr = JSON.stringify(authCall, null, 2)
      const rpcData = jsonrpc.parse(jsonStr)

      const response = await uut.authUser(rpcData)
      // console.log('response: ', response)

      assert.equal(response.endpoint, 'authUser')
      assert.property(response, 'userId')
      // assert.equal(response.userType, 'user')
      assert.property(response, 'userName')
      assert.property(response, 'userEmail')
      assert.property(response, 'apiToken')
      assert.equal(response.status, 200)
      assert.equal(response.success, true)
      assert.property(response, 'message')
    })

    it('should return an error for invalid credentials', async () => {
      // Generate the parsed data that the main router would pass to this
      // endpoint.
      const id = uid()
      const authCall = jsonrpc.request(id, 'auth', {
        endpoint: 'authUser',
        login: 'test543@test.com',
        password: 'badpassword'
      })
      const jsonStr = JSON.stringify(authCall, null, 2)
      const rpcData = jsonrpc.parse(jsonStr)

      // Force an error.
      sandbox
        .stub(uut.userLib, 'authUser')
        .rejects(new Error('Login credential do not match'))

      const response = await uut.authUser(rpcData)
      // console.log('response: ', response)

      assert.equal(response.success, false)
      assert.equal(response.status, 422)
      assert.equal(response.message, 'Login credential do not match')
      assert.equal(response.endpoint, 'authUser')
    })

    it('should throw an error if login is not provided', async () => {
      // Generate the parsed data that the main router would pass to this
      // endpoint.
      const id = uid()
      const authCall = jsonrpc.request(id, 'auth', {
        endpoint: 'authUser'
      })
      const jsonStr = JSON.stringify(authCall, null, 2)
      const rpcData = jsonrpc.parse(jsonStr)

      const response = await uut.authUser(rpcData)
      // console.log('response: ', response)

      assert.equal(response.success, false)
      assert.equal(response.status, 422)
      assert.equal(response.message, 'login must be specified')
      assert.equal(response.endpoint, 'authUser')
    })

    it('should throw an error if password is not provided', async () => {
      // Generate the parsed data that the main router would pass to this
      // endpoint.
      const id = uid()
      const authCall = jsonrpc.request(id, 'auth', {
        endpoint: 'authUser',
        login: 'test543@test.com'
      })
      const jsonStr = JSON.stringify(authCall, null, 2)
      const rpcData = jsonrpc.parse(jsonStr)

      const response = await uut.authUser(rpcData)
      // console.log('response: ', response)

      assert.equal(response.success, false)
      assert.equal(response.status, 422)
      assert.equal(response.message, 'password must be specified')
      assert.equal(response.endpoint, 'authUser')
    })
  })
})