/* eslint-disable @typescript-eslint/no-unused-expressions,@typescript-eslint/require-await */

import 'mocha'
import * as chai from 'chai'
import { cleanupTests, getVideo, registerUser, uploadVideo, userLogin, viewVideo, wait } from '../../../../shared/extra-utils'
import { flushAndRunServer, setAccessTokensToServers } from '../../../../shared/extra-utils/index'
import { HttpStatusCode } from '../../../../shared/core-utils/miscs/http-error-codes'

const expect = chai.expect

describe('Test application behind a reverse proxy', function () {
  let server = null
  let videoId

  before(async function () {
    this.timeout(30000)

    const config = {
      rates_limit: {
        api: {
          max: 50,
          window: 5000
        },
        signup: {
          max: 3,
          window: 5000
        },
        login: {
          max: 20
        }
      },
      signup: {
        limit: 20
      }
    }

    server = await flushAndRunServer(1, config)
    await setAccessTokensToServers([ server ])

    const { body } = await uploadVideo(server.url, server.accessToken, {})
    videoId = body.video.uuid
  })

  it('Should view a video only once with the same IP by default', async function () {
    this.timeout(20000)

    await viewVideo(server.url, videoId)
    await viewVideo(server.url, videoId)

    // Wait the repeatable job
    await wait(8000)

    const { body } = await getVideo(server.url, videoId)
    expect(body.views).to.equal(1)
  })

  it('Should view a video 2 times with the X-Forwarded-For header set', async function () {
    this.timeout(20000)

    await viewVideo(server.url, videoId, HttpStatusCode.NO_CONTENT_204, '0.0.0.1,127.0.0.1')
    await viewVideo(server.url, videoId, HttpStatusCode.NO_CONTENT_204, '0.0.0.2,127.0.0.1')

    // Wait the repeatable job
    await wait(8000)

    const { body } = await getVideo(server.url, videoId)
    expect(body.views).to.equal(3)
  })

  it('Should view a video only once with the same client IP in the X-Forwarded-For header', async function () {
    this.timeout(20000)

    await viewVideo(server.url, videoId, HttpStatusCode.NO_CONTENT_204, '0.0.0.4,0.0.0.3,::ffff:127.0.0.1')
    await viewVideo(server.url, videoId, HttpStatusCode.NO_CONTENT_204, '0.0.0.5,0.0.0.3,127.0.0.1')

    // Wait the repeatable job
    await wait(8000)

    const { body } = await getVideo(server.url, videoId)
    expect(body.views).to.equal(4)
  })

  it('Should view a video two times with a different client IP in the X-Forwarded-For header', async function () {
    this.timeout(20000)

    await viewVideo(server.url, videoId, HttpStatusCode.NO_CONTENT_204, '0.0.0.8,0.0.0.6,127.0.0.1')
    await viewVideo(server.url, videoId, HttpStatusCode.NO_CONTENT_204, '0.0.0.8,0.0.0.7,127.0.0.1')

    // Wait the repeatable job
    await wait(8000)

    const { body } = await getVideo(server.url, videoId)
    expect(body.views).to.equal(6)
  })

  it('Should rate limit logins', async function () {
    const user = { username: 'root', password: 'fail' }

    for (let i = 0; i < 19; i++) {
      await userLogin(server, user, HttpStatusCode.BAD_REQUEST_400)
    }

    await userLogin(server, user, HttpStatusCode.TOO_MANY_REQUESTS_429)
  })

  it('Should rate limit signup', async function () {
    for (let i = 0; i < 10; i++) {
      try {
        await registerUser(server.url, 'test' + i, 'password')
      } catch {
        // empty
      }
    }

    await registerUser(server.url, 'test42', 'password', HttpStatusCode.TOO_MANY_REQUESTS_429)
  })

  it('Should not rate limit failed signup', async function () {
    this.timeout(30000)

    await wait(7000)

    for (let i = 0; i < 3; i++) {
      await registerUser(server.url, 'test' + i, 'password', HttpStatusCode.CONFLICT_409)
    }

    await registerUser(server.url, 'test43', 'password', HttpStatusCode.NO_CONTENT_204)

  })

  it('Should rate limit API calls', async function () {
    this.timeout(30000)

    await wait(7000)

    for (let i = 0; i < 100; i++) {
      try {
        await getVideo(server.url, videoId)
      } catch {
        // don't care if it fails
      }
    }

    await getVideo(server.url, videoId, HttpStatusCode.TOO_MANY_REQUESTS_429)
  })

  after(async function () {
    await cleanupTests([ server ])
  })
})
