/*
 * 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.config

import com.fasterxml.jackson.databind.ObjectMapper
import dev.dnpm.etl.processor.consent.ConsentEvaluator
import dev.dnpm.etl.processor.consent.GicsConsentService
import dev.dnpm.etl.processor.consent.GicsGetBroadConsentService
import dev.dnpm.etl.processor.consent.MtbFileConsentService
import dev.dnpm.etl.processor.input.KafkaInputListener
import dev.dnpm.etl.processor.monitoring.RequestRepository
import dev.dnpm.etl.processor.output.KafkaMtbFileSender
import dev.dnpm.etl.processor.output.RestMtbFileSender
import dev.dnpm.etl.processor.pseudonym.AnonymizingGenerator
import dev.dnpm.etl.processor.pseudonym.GpasPseudonymGenerator
import dev.dnpm.etl.processor.pseudonym.GpasSoapPseudonymGenerator
import dev.dnpm.etl.processor.security.TokenRepository
import dev.dnpm.etl.processor.security.TokenService
import dev.dnpm.etl.processor.services.RequestProcessor
import org.assertj.core.api.Assertions.assertThat
import org.junit.jupiter.api.Nested
import org.junit.jupiter.api.Test
import org.junit.jupiter.api.assertThrows
import org.springframework.beans.factory.NoSuchBeanDefinitionException
import org.springframework.beans.factory.getBean
import org.springframework.boot.kafka.autoconfigure.KafkaAutoConfiguration
import org.springframework.boot.test.context.SpringBootTest
import org.springframework.context.ApplicationContext
import org.springframework.retry.support.RetryTemplate
import org.springframework.security.crypto.password.PasswordEncoder
import org.springframework.security.provisioning.InMemoryUserDetailsManager
import org.springframework.test.context.ContextConfiguration
import org.springframework.test.context.TestPropertySource
import org.springframework.test.context.bean.override.mockito.MockitoBean
import tools.jackson.databind.json.JsonMapper

@SpringBootTest
@ContextConfiguration(
    classes =
        [
            AppConfiguration::class,
            AppSecurityConfiguration::class,
            KafkaAutoConfiguration::class,
            AppKafkaConfiguration::class,
            AppRestConfiguration::class,
            ConsentEvaluator::class,
        ],
)
@MockitoBean(types = [ObjectMapper::class, JsonMapper::class])
@TestPropertySource(
    properties =
        [
            "app.pseudonymize.generator=BUILDIN",
        ],
)
class AppConfigurationTest {
    @Nested
    @TestPropertySource(properties = ["app.rest.uri=http://localhost:9000"])
    inner class AppConfigurationRestTest(
        private val context: ApplicationContext,
    ) {
        @Test
        fun shouldUseRestMtbFileSenderNotKafkaMtbFileSender() {
            assertThat(context.getBean<RestMtbFileSender>()).isNotNull
            assertThrows<NoSuchBeanDefinitionException> {
                context.getBean<KafkaMtbFileSender>()
            }
        }
    }

    @Nested
    @TestPropertySource(
        properties =
            [
                "app.kafka.servers=localhost:9092",
                "app.kafka.output-topic=test",
                "app.kafka.output-response-topic=test-response",
                "app.kafka.group-id=test",
            ],
    )
    @MockitoBean(types = [RequestRepository::class])
    inner class AppConfigurationKafkaTest(
        private val context: ApplicationContext,
    ) {
        @Test
        fun shouldUseKafkaMtbFileSenderNotRestMtbFileSender() {
            assertThrows<NoSuchBeanDefinitionException> { context.getBean<RestMtbFileSender>() }
            assertThat(context.getBean<KafkaMtbFileSender>()).isNotNull
        }
    }

    @Nested
    @TestPropertySource(
        properties =
            [
                "app.rest.uri=http://localhost:9000",
                "app.kafka.servers=localhost:9092",
                "app.kafka.output-topic=test",
                "app.kafka.output-response-topic=test-response",
                "app.kafka.group-id=test",
            ],
    )
    inner class AppConfigurationRestInPrecedenceTest(
        private val context: ApplicationContext,
    ) {
        @Test
        fun shouldUseRestMtbFileSenderNotKafkaMtbFileSender() {
            assertThat(context.getBean<RestMtbFileSender>()).isNotNull
            assertThrows<NoSuchBeanDefinitionException> {
                context.getBean<KafkaMtbFileSender>()
            }
        }
    }

    @Nested
    @TestPropertySource(
        properties =
            [
                "app.kafka.servers=localhost:9092",
                "app.kafka.output-topic=test",
                "app.kafka.output-response-topic=test-response",
                "app.kafka.group-id=test",
            ],
    )
    inner class AppConfigurationWithoutKafkaInputTest(
        private val context: ApplicationContext,
    ) {
        @Test
        fun shouldNotUseKafkaInputListener() {
            assertThrows<NoSuchBeanDefinitionException> {
                context.getBean<KafkaInputListener>()
            }
        }
    }

    @Nested
    @TestPropertySource(
        properties =
            [
                "app.kafka.servers=localhost:9092",
                "app.kafka.input-topic=test_input",
                "app.kafka.output-topic=test",
                "app.kafka.output-response-topic=test-response",
                "app.kafka.group-id=test",
            ],
    )
    @MockitoBean(types = [RequestProcessor::class])
    inner class AppConfigurationUsingKafkaInputTest(
        private val context: ApplicationContext,
    ) {
        @Test
        fun shouldUseKafkaInputListener() {
            assertThat(context.getBean<KafkaInputListener>()).isNotNull
        }
    }

    @Nested
    @TestPropertySource(
        properties =
            [
                "app.transformations[0].path=consent.status",
                "app.transformations[0].from=rejected",
                "app.transformations[0].to=accept",
            ],
    )
    inner class AppConfigurationTransformationTest(
        private val context: ApplicationContext,
    ) {
        @Test
        fun shouldRecognizeTransformations() {
            val appConfigProperties = context.getBean<AppConfigProperties>()

            assertThat(appConfigProperties).isNotNull
            assertThat(appConfigProperties.transformations).hasSize(1)
        }
    }

    @Nested
    inner class AppConfigurationPseudonymizeTest {
        @Nested
        @TestPropertySource(properties = ["app.pseudonymize.generator=buildin"])
        inner class AppConfigurationPseudonymizeGeneratorBuildinTest(
            private val context: ApplicationContext,
        ) {
            @Test
            fun shouldUseConfiguredGenerator() {
                assertThat(context.getBean<AnonymizingGenerator>()).isNotNull
            }
        }

        @Nested
        @TestPropertySource(
            properties =
                ["app.pseudonymize.generator=gpas", "app.pseudonymize.gpas.uri=http://localhost/"],
        )
        inner class AppConfigurationPseudonymizeGeneratorGpasTest(
            private val context: ApplicationContext,
        ) {
            @Test
            fun shouldUseConfiguredGenerator() {
                assertThat(context.getBean<GpasPseudonymGenerator>()).isNotNull
            }
        }

        @Nested
        @TestPropertySource(
            properties =
                [
                    "app.pseudonymize.generator=gpas",
                    "app.pseudonymize.gpas.soap-endpoint=http://localhost/",
                ],
        )
        inner class AppConfigurationPseudonymizeGeneratorGpasSoapTest(
            private val context: ApplicationContext,
        ) {
            @Test
            fun shouldUseConfiguredGenerator() {
                assertThat(context.getBean<GpasSoapPseudonymGenerator>()).isNotNull
            }
        }

        @Nested
        @TestPropertySource(properties = ["app.security.enable-tokens=true"])
        @MockitoBean(
            types = [InMemoryUserDetailsManager::class, PasswordEncoder::class, TokenRepository::class],
        )
        inner class AppConfigurationTokenEnabledTest(
            private val context: ApplicationContext,
        ) {
            @Test
            fun checkTokenService() {
                assertThat(context.getBean<TokenService>()).isNotNull
            }
        }

        @Nested
        @MockitoBean(
            types = [InMemoryUserDetailsManager::class, PasswordEncoder::class, TokenRepository::class],
        )
        inner class AppConfigurationTokenDisabledTest(
            private val context: ApplicationContext,
        ) {
            @Test
            fun checkTokenService() {
                assertThrows<NoSuchBeanDefinitionException> { context.getBean<TokenService>() }
            }
        }
    }

    @Nested
    @TestPropertySource(
        properties = ["app.rest.uri=http://localhost:9000", "app.max-retry-attempts=5"],
    )
    inner class AppConfigurationRetryTest(
        private val context: ApplicationContext,
    ) {
        private val maxRetryAttempts = 5

        @Test
        fun shouldUseRetryTemplateWithConfiguredMaxAttempts() {
            val retryTemplate = context.getBean<RetryTemplate>()
            assertThat(retryTemplate).isNotNull

            assertThrows<RuntimeException> {
                retryTemplate.execute<Void, RuntimeException> {
                    assertThat(it.retryCount).isLessThan(maxRetryAttempts)
                    throw RuntimeException()
                }
            }
        }
    }

    @Nested
    @TestPropertySource(
        properties =
            [
                "app.consent.service=GICS",
                "app.consent.gics.uri=http://localhost:9000",
            ],
    )
    inner class AppConfigurationConsentGicsTest(
        private val context: ApplicationContext,
    ) {
        @Test
        fun shouldUseConfiguredGenerator() {
            assertThat(context.getBean<GicsConsentService>()).isNotNull
        }
    }

    @Nested
    @TestPropertySource(
        properties =
            [
                "app.consent.service=GICS_GET_BC",
                "app.consent.gics.uri=http://localhost:9000",
            ],
    )
    inner class AppConfigurationConsentGicsGetBcTest(
        private val context: ApplicationContext,
    ) {
        @Test
        fun shouldUseConfiguredGenerator() {
            assertThat(context.getBean<GicsGetBroadConsentService>()).isNotNull
        }
    }

    @Nested
    inner class AppConfigurationConsentBuildinTest(
        private val context: ApplicationContext,
    ) {
        @Test
        fun shouldUseConfiguredGenerator() {
            assertThat(context.getBean<MtbFileConsentService>()).isNotNull
        }
    }
}