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/*
 * This file is part of ETL-Processor
 *
 * Copyright (c) 2023       Comprehensive Cancer Center Mainfranken
 * Copyright (c) 2023-2026  Paul-Christian Volkmer, Datenintegrationszentrum Philipps-Universität Marburg and Contributors
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as published
 * by the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see <https://www.gnu.org/licenses/>.
 */

package dev.dnpm.etl.processor.pseudonym

import dev.dnpm.etl.processor.config.PseudonymizeConfigProperties
import dev.pcvolkmer.mv64e.mtb.*
import java.time.Instant
import java.util.*
import org.assertj.core.api.Assertions.assertThat
import org.junit.jupiter.api.Test
import org.junit.jupiter.api.extension.ExtendWith
import org.mockito.ArgumentMatchers.anyString
import org.mockito.Mock
import org.mockito.junit.jupiter.MockitoExtension
import org.mockito.kotlin.doAnswer
import org.mockito.kotlin.whenever

@ExtendWith(MockitoExtension::class)
class PseudonymizeServiceTest {

  private val mtbFile =
      Mtb.builder()
          .patient(Patient.builder().id("123").build())
          .episodesOfCare(
              listOf(
                  MtbEpisodeOfCare.builder()
                      .id("1")
                      .patient(Reference.builder().id("123").build())
                      .period(
                          PeriodDate.builder()
                              .start(Date.from(Instant.parse("2021-01-01T00:00:00.00Z")))
                              .build()
                      )
                      .build()
              )
          )
          .build()

  @Test
  fun shouldNotUsePseudonymPrefixForGpas(@Mock generator: GpasPseudonymGenerator) {
    doAnswer { it.arguments[0] }.whenever(generator).generate(anyString())

    val pseudonymizeService = PseudonymizeService(generator, PseudonymizeConfigProperties())

    mtbFile.pseudonymizeWith(pseudonymizeService)

    assertThat(mtbFile.patient.id).isEqualTo("123")
  }

  @Test
  fun sanitizeFileName() {
    val result = GpasPseudonymGenerator.sanitizeValue("l://a\\bs;1*2?3>")

    assertThat(result).isEqualTo("l___a_bs_1_2_3_")
  }

  @Test
  fun shouldUsePseudonymPrefixForBuiltin(@Mock generator: AnonymizingGenerator) {
    doAnswer { it.arguments[0] }.whenever(generator).generate(anyString())

    val pseudonymizeService = PseudonymizeService(generator, PseudonymizeConfigProperties())

    mtbFile.pseudonymizeWith(pseudonymizeService)

    assertThat(mtbFile.patient.id).isEqualTo("UNKNOWN_123")
  }

  @Test
  fun shouldReturnDifferentValues() {
    val ag = AnonymizingGenerator()

    val tans = HashSet<String>()

    (1..1000).forEach { i ->
      val tan = ag.generateGenomDeTan("12345")
      assertThat(tan).hasSize(64)
      assertThat(tans.add(tan)).`as`("never the same result!").isTrue
    }
  }
}