import { Injectable } from '@nestjs/common'
import { isNil } from 'lodash'

import {
  AnthropometryRepository,
  BioimpedanceCreditRepository,
  BioimpedanceImportationRepository,
  PatientRepository,
} from '../../../repositories'
import { BioimpedanceCredit } from '../../../models/credits/bioimpedance_credit.model'
import { CravaService, Product } from '../../../services/crava'

const CENTAURO_ACRONYM_PREFIX = 'CTARO'

@Injectable()
export class Credits {
  constructor(
    private readonly cravaService: CravaService,
    private readonly anthropometryRepository: AnthropometryRepository,
    private readonly bioimpedanceImportationRepository: BioimpedanceImportationRepository,
    private readonly bioimpedanceCreditRepository: BioimpedanceCreditRepository,
    private readonly patientRepository: PatientRepository,
  ) {}

  async notifyCravaSystemThatBioimpedanceCreditWasUsed(credit: BioimpedanceCredit): Promise<void> {
    if (credit.value >= 0) return

    const anthropometry = await this.anthropometryRepository.findByBioimpedance(credit.bioimpedance_id)
    const bioimpedanceImportation = await this.bioimpedanceImportationRepository.findByAnthropometry(anthropometry.id)

    if (!bioimpedanceImportation?.smartfit_unit?.acronym?.startsWith(CENTAURO_ACRONYM_PREFIX)) return

    const bioimpedanceCreditByCrava = (
      await this.bioimpedanceCreditRepository.findCreditsByAuthorType(credit.patient_id, 'crava')
    ).pop()

    if (isNil(bioimpedanceCreditByCrava)) return

    const patient = await this.patientRepository.get(credit.patient_id)

    await this.cravaService.redeemBenefict({
      user: {
        id: bioimpedanceCreditByCrava.created_by_id,
        documentNumber: patient.document_number,
      },
      product: Product.BIOIMPEDANCE,
    })
  }
}