import { Injectable } from '@nestjs/common'
import { plainToClass } from 'class-transformer'

import { ChallengePatient } from '../../models'
import { HttpService } from '../../services/http'
import { BaseRepository } from '../base.repository'

const CREATE_CHALLENGE_PATIENT = `
mutation createChallengePatient($challengePatient: challenge_patient_insert_input = {}) {
  insert_challenge_patient_one(object: $challengePatient) {
    id
  }
}
`

const GET_OPEN_CHALLENGE = `
query getOpenChallenge($patientId: String = "") {
  challenge_patient(where: {patient_id: {_eq: $patientId}, finished_at: {_is_null: true}}) {
    id
  }
}

`

@Injectable()
export class ChallengePatientRepository extends BaseRepository {
  constructor(protected readonly httpService: HttpService) {
    super(httpService, 'challenge_patient')
  }

  async createChallengePatient(challengePatient: ChallengePatient): Promise<string> {
    const { data } = await this.fetchGraphQL({
      body: { query: CREATE_CHALLENGE_PATIENT, variables: { challengePatient } },
    })

    return data.insert_challenge_patient_one ? data.insert_challenge_patient_one.id : null
  }

  async getOpenChallenge(patientId: string): Promise<ChallengePatient> {
    const { data } = await this.fetchGraphQL({
      body: { query: GET_OPEN_CHALLENGE, variables: { patientId } },
    })

    return data.challenge_patient ? plainToClass(ChallengePatient, data.challenge_patient[0]) : null
  }
}