package de.superx.bianalysis;

import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;

import java.io.File;
import java.util.HashMap;
import java.util.List;

import org.junit.Test;

import de.superx.BIATestUtils;
import de.superx.bianalysis.metadata.MetaImport;
import de.superx.bianalysis.metadata.MetadataImporter;
import de.superx.bianalysis.metadata.models.json.MetaObject;

public class MetadataImporterTest {

	public static final String metaFilesDir = String.join(File.separator, new String[] {"test", "resources", "db", "fixtures", "bianalysis", "metadata_importer_test"}); 

    @Test
    public void testConformedDimensions() {
        String dir = metaFilesDir + File.separator + "conformed_dimensions";

        MetadataImporter importer = new MetadataImporter();
        importer.setShouldReadYMLDoc(false);
        importer.deserializeMetadataFromJsonFiles(dir);
        assertEquals(0, importer.errorMessages.size());

        List<String> actualInserts = importer.getAllUpsertStrings(true);
        List<String> expectedInserts = BIATestUtils.readInsertsFromFile(dir + File.separator + "result.sql");
        
        assertEquals(expectedInserts.size(), actualInserts.size());
        for (int i = 0; i < expectedInserts.size(); i++) {
            String expectedSql = BIATestUtils.formatSQLIfEclipse(expectedInserts.get(i));
            String actualSql = BIATestUtils.formatSQLIfEclipse(actualInserts.get(i));
            assertEquals(expectedSql, actualSql);
        }
    }

    @Test
    public void testWithoutConformedDimensions() {
        
        System.out.println("\n\n\n\n\n\n");
        String dir = metaFilesDir + File.separator + "app_metaimport";

        MetadataImporter importer = new MetadataImporter();
        importer.setShouldReadYMLDoc(false);
        importer.deserializeMetadataFromJsonFiles(dir);
        assertEquals(0, importer.errorMessages.size());

        List<String> actualInserts = importer.getAllUpsertStrings(true);
        List<String> expectedInserts = BIATestUtils.readInsertsFromFile(dir + File.separator + "app_metaimport_result.sql");

        assertEquals(actualInserts.size(), expectedInserts.size());
        for (int i = 0; i < expectedInserts.size(); i++) {
            String expectedSql = BIATestUtils.formatSQLIfEclipse(expectedInserts.get(i));
            String actualSql = BIATestUtils.formatSQLIfEclipse(actualInserts.get(i));
            assertEquals(expectedSql, actualSql);
        }
    }

    @Test
    public void testYML() {
        String dir = metaFilesDir + File.separator + "app_metaimport";
        MetadataImporter importer = new MetadataImporter();
        importer.setShouldReadYMLDoc(false);
        importer.deserializeMetadataFromJsonFiles(dir);

        // step 1: check markdown definitions
        HashMap<String, String> defs = importer.getMarkdownDefinitions(dir);

         String dimApplicant = "Lorem ipsum dolor sit amet, consetetur "
                 + "sadipscing elitr, sed diam nonumy";

         String dimSemester = "Lorem ipsum \"dolor\" sit amet, \"consetetur\" sadipscing "
                 + "elitr, sed diam nonumy eirmod tempor invidunt ut labore et "
                 + "dolore magna aliquyam";

        assertEquals(4, defs.keySet().size());
        assertEquals(dimSemester, defs.get("dim_semester"));
        assertEquals("Lorem ipsum", defs.get("dim_dummy"));
        assertEquals(dimApplicant, defs.get("appl"));
        assertEquals("", defs.get("dim_applicant.city"));

        // step 2: check meta objects description attributes
        importer.addYMLDescriptionsToMetaObjects(dir, defs);
        MetaImport meta = importer.getMetaImport("app_metaimport.json").get();

        int docIdentifierFound = 0;
        for (MetaObject obj : meta.getMetaObjects()) {
            String desc = obj.getDescription();
            String id = obj.getId().composedId;
            switch (id) {
            case "app:78":
            case "app:10":
                assertEquals(dimSemester, desc);
                docIdentifierFound++;
                break;
            case "app:2":
                assertEquals(dimApplicant, desc);
                docIdentifierFound++;
                break;
            case "app:1":
                // make sure the json attribute takes precedence over the yml doc
                assertEquals("fake description in json", desc);
                docIdentifierFound++;
                break;
            case "app:4":
                assertEquals("", desc);
                docIdentifierFound++;
                break;
            case "app:1000":
                // role playing dimension with no description -> use description of
                // conformed dimension
                assertEquals("Meine Dummy Tabelle", desc);
                docIdentifierFound++;
                break;
            case "app:1003":
                // role playing dimension with description -> the description of the role
                // playing dimension takes precedence
                assertEquals("Role Playing Dimension Text", desc);
                docIdentifierFound++;
                break;
            case "app:1001":
                // role playing attribute with description -> the description of the role
                // playing attribute takes precedence
                assertEquals("Role Playing Description", desc);
                docIdentifierFound++;
                break;
            case "app:1002":
                // role playing attribute with no description -> use description of
                // conformed attribute
                assertEquals("Conformed Description für Alter", desc);
                docIdentifierFound++;
                break;
            default:
                break;
            }
        }
        assertEquals(9, docIdentifierFound);
    }
    
    
    @Test
    public void testAttributeGroup() {
        String dir = metaFilesDir + File.separator + "attribute_groups";
        MetadataImporter importer = new MetadataImporter();
        importer.setShouldReadYMLDoc(false);
        importer.deserializeMetadataFromJsonFiles(dir);

        List<String> actualInserts = importer.getAllUpsertStrings(false);
        List<String> expectedInserts = BIATestUtils.readInsertsFromFile(dir + File.separator + "attribute_groups_app_metaimport_result.sql");

        assertEquals(actualInserts.size(), expectedInserts.size());
        for (int i = 0; i < expectedInserts.size(); i++) {
            String expectedSql = BIATestUtils.formatSQLIfEclipse(expectedInserts.get(i));
            String actualSql = BIATestUtils.formatSQLIfEclipse(actualInserts.get(i));
            assertEquals(expectedSql, actualSql);
        }
        
    }
    
    
    
    

}