package ru.nbch.indicsearchservice.loader;

import static org.assertj.core.api.Assertions.assertThat;
import static org.junit.jupiter.api.Assertions.fail;

import java.io.FileReader;
import java.io.IOException;
import java.nio.file.Files;
import java.nio.file.Path;
import java.sql.Connection;
import java.sql.SQLException;
import java.util.HashSet;
import java.util.List;
import java.util.Map;
import java.util.Set;
import java.util.UUID;
import java.util.concurrent.ConcurrentHashMap;
import javax.sql.DataSource;
import org.h2.tools.RunScript;
import org.junit.jupiter.api.AfterEach;
import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.Test;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.boot.test.context.SpringBootTest;
import org.springframework.core.io.ClassPathResource;
import org.springframework.test.context.ActiveProfiles;
import ru.nbch.indicsearchservice.config.settings.ApplicationSettings;
import ru.nbch.indicsearchservice.model.TableMetaData;
import ru.nbch.indicsearchservice.model.enums.DataType;
import ru.nbch.indicsearchservice.model.enums.SearchParameter;
import ru.nbch.indicsearchservice.util.TableMetaDataUtil;

@SpringBootTest
@ActiveProfiles("test")
class RuSettledTableLoaderTest {
    @Autowired
    private ApplicationSettings settings;
    @Autowired
    @Qualifier("indicDataSource")
    private DataSource indicDataSource;
    @Autowired
    private RuSettledTableLoader loader;
    @Autowired
    private TableMetaDataUtil tableMetaDataUtil;

    private final Set<Path> createdFiles = new HashSet<>();

    @BeforeEach
    void setUp() {
        settings.setStorageDirectory(Path.of("src/test/resources/storage").toFile());
        settings.getJobCleaner().setEnabled(false);

        try (Connection connection = indicDataSource.getConnection()) {
            RunScript.execute(connection, new FileReader(new ClassPathResource("sql/indic/indic.sql").getFile()));
        } catch (SQLException | IOException e) {
            throw new RuntimeException(e);
        }
    }

    @AfterEach
    void tearDown() {
        createdFiles.forEach(f -> {
            try {
                Files.deleteIfExists(f);
            } catch (IOException e) {
                throw new RuntimeException(e);
            }
        });
    }

    @Test
    void searchBy_shouldCreateTableFilesByFID() throws IOException {
        DataType dataType = DataType.GUTDF;
        SearchParameter searchParameter = SearchParameter.FID;

        UUID id = UUID.randomUUID();
        Map<String, Path> tableFileMap = new ConcurrentHashMap<>();
        Map<String, TableMetaData> tableMetaDataMap = tableMetaDataUtil.prepareTableMetaData(dataType, searchParameter);

        loader.searchBy(
            id,
            dataType,
            searchParameter,
            "111",
            "QQ66WW",
            tableFileMap,
            tableMetaDataMap
        );

        assertThat(tableFileMap.size()).isNotZero();
        createdFiles.addAll(tableFileMap.values());

        for (Map.Entry<String, Path> entry : tableFileMap.entrySet()) {
            String tableName = entry.getKey();
            Path filePath = entry.getValue();

            List<String> lines = Files.readAllLines(filePath);

            if (tableName.equals("RU_SETTLED")) {
                assertThat(lines)
                    .isEqualTo(List.of("RU_SETTLED%%%FID%%%111%%%SERIAL_NUM%%%1000%%%FILE_SINCE_DT%%%2026-01-01%%%LAST_UPDATED_DT%%%2026-01-01 00:00:00.0%%%MEMBER_CODE%%%QQ66WW      %%%REPORTED_DT%%%2026-01-15%%%CLOSE_DT%%%2026-12-31%%%IS_SETTLED%%%1%%%SETTLE_DT%%%2026-06-01%%%RESUME_DT%%%%%%HEADER_REPORTING_DT%%%2026-01-15%%%REAL_MEMBERCODE%%%REAL001     %%%SOURCE_CODE%%%01"));
            } else {
                fail("Table " + tableName + " not found");
            }
        }
    }

    @Test
    void searchById_shouldCreateTableFiles() throws IOException {
        DataType dataType = DataType.GUTDF;
        SearchParameter searchParameter = SearchParameter.PASSPORT;

        UUID id = UUID.randomUUID();
        Map<String, Path> tableFileMap = new ConcurrentHashMap<>();
        Map<String, TableMetaData> tableMetaDataMap = tableMetaDataUtil.prepareTableMetaData(dataType, searchParameter);

        loader.searchById(
            id,
            dataType,
            searchParameter,
            Set.of(111),
            "QQ66WW",
            tableFileMap,
            tableMetaDataMap
        );

        assertThat(tableFileMap.size()).isNotZero();
        createdFiles.addAll(tableFileMap.values());

        for (Map.Entry<String, Path> entry : tableFileMap.entrySet()) {
            String tableName = entry.getKey();
            Path filePath = entry.getValue();

            List<String> lines = Files.readAllLines(filePath);

            if (tableName.equals("RU_SETTLED")) {
                assertThat(lines)
                    .isEqualTo(List.of("RU_SETTLED%%%FID%%%111%%%SERIAL_NUM%%%1000%%%FILE_SINCE_DT%%%2026-01-01%%%LAST_UPDATED_DT%%%2026-01-01 00:00:00.0%%%MEMBER_CODE%%%QQ66WW      %%%REPORTED_DT%%%2026-01-15%%%CLOSE_DT%%%2026-12-31%%%IS_SETTLED%%%1%%%SETTLE_DT%%%2026-06-01%%%RESUME_DT%%%%%%HEADER_REPORTING_DT%%%2026-01-15%%%REAL_MEMBERCODE%%%REAL001     %%%SOURCE_CODE%%%01"));
            } else {
                fail("Table " + tableName + " not found");
            }
        }
    }
}