import { datatype } from 'faker'

import { CompetitionCompetitor, CompetitionHistory } from '../../../models/ranking'

import { DecreaseOrdenator } from './decrease.ordenator'

describe('DecreaseOrdenator', () => {
  describe('#sort', () => {
    const competitors: CompetitionCompetitor[] = []
    const competitorGreaterScore = CompetitionCompetitor.toInstance({
      is_subscriber: true,
      score: datatype.number({ min: 1 }),
      history: [CompetitionHistory.toInstance({ value: datatype.number({ min: 1 }) })],
    })
    const competitorLessScore = CompetitionCompetitor.toInstance({
      is_subscriber: true,
      score: datatype.number({ max: -1 }),
      history: [CompetitionHistory.toInstance({ value: datatype.number({ min: 1 }) })],
    })
    const competitorGreaterValue = CompetitionCompetitor.toInstance({
      is_subscriber: true,
      score: 0,
      history: [CompetitionHistory.toInstance({ value: datatype.number({ min: 11, max: 20 }) })],
    })
    const competitorLessValue = CompetitionCompetitor.toInstance({
      is_subscriber: true,
      score: 0,
      history: [CompetitionHistory.toInstance({ value: datatype.number({ min: 1, max: 10 }) })],
    })

    beforeAll(() => {
      competitors.push(competitorLessValue)
      competitors.push(competitorGreaterValue)
      competitors.push(competitorLessScore)
      competitors.push(competitorGreaterScore)
    })

    it('returns ordened levels', () => {
      expect(DecreaseOrdenator.sort(competitors)).toEqual([
        competitorGreaterScore,
        competitorLessScore,
        competitorLessValue,
        competitorGreaterValue,
      ])
    })
  })
})