package at.gv.egiz.moazs;

import at.gv.egiz.moazs.preprocess.*;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.mockito.Mock;
import org.mockito.junit.MockitoJUnitRunner;

import java.util.Map;

import static at.gv.egiz.moazs.preprocess.ConfigProfileGenerator.configProfileGeneratorBuilder;
import static at.gv.zustellung.app2mzs.xsd.ConfigType.configTypeBuilder;
import static org.mockito.ArgumentMatchers.any;
import static org.assertj.core.api.Assertions.assertThat;
import static org.mockito.Mockito.*;

@RunWith(MockitoJUnitRunner.class)
public class ConfigProfileGeneratorTest {

    private static final String PREFIX =  "prefix";
    private static final String DEFAULT = "default";

    @Mock
    private ConfigUtil util;

    @Mock
    private SpringPropertiesFacade properties;

    @Test
    public void assembleDefaultProfile() {
        var propMap = Map.of(
                PREFIX + "." + DEFAULT + ".property-a", "value-a",
                PREFIX + "." + DEFAULT + ".property-b", "value-b",
                PREFIX + "." + DEFAULT + ".property-c", "value-c");
        var generator = setupMocksAndBuilder(propMap).build();

        var profiles = generator.generate();

        verify(util).convert(Map.of(
                "property-a", "value-a",
                "property-b", "value-b",
                "property-c", "value-c"));
        assertThat(profiles.keySet()).containsExactlyInAnyOrder(DEFAULT);
    }

    @Test
    public void assembleEmptyDefault() {
        var propMap = Map.of(PREFIX + "." + DEFAULT, "");
        var generator = setupMocksAndBuilder(propMap).build();

        var profiles = generator.generate();

        verify(util, never()).convert(any());
        assertThat(profiles.keySet()).isEmpty();
    }

    @Test
    public void assembleNoProfiles() {
        var propMap = Map.of("unrelatedpropertyname", "unrelatedvalue");
        var generator = setupMocksAndBuilder(propMap).build();

        var profiles = generator.generate();

        verify(util, never()).convert(any());
        assertThat(profiles.keySet()).isEmpty();
    }

    @Test
    public void assembleMultipleProfiles() {
        var propMap = Map.of(
                PREFIX + "." + DEFAULT+ ".property-a", "value-a",
                PREFIX + "." + DEFAULT+ ".property-b", "value-b",
                PREFIX + "." + "profile-1.property-c", "value-c",
                PREFIX + "." + "profile-2.property-d", "value-d");

        var generator = setupMocksAndBuilder(propMap).build();

        var profiles = generator.generate();

        verify(util).convert(Map.of("property-a", "value-a", "property-b", "value-b"));
        verify(util).convert(Map.of("property-c", "value-c"));
        verify(util).convert(Map.of("property-d", "value-d"));
        assertThat(profiles.keySet()).containsExactlyInAnyOrder(DEFAULT, "profile-1", "profile-2");
    }

    @Test(expected = MoaZSException.class)
    public void cancelAtIncompleteDefaultProfile() {
        var propMap = Map.of(PREFIX + "." + DEFAULT + ".property-a", "value-a");
        var generator = setupMocksAndBuilder(propMap).build();
        when(util.isComplete(any())).thenReturn(false);

        generator.generate();
    }

    @Test
    public void continueAtIncompleteDefaultWhenVerificationDisabled() {
        var propMap = Map.of(PREFIX + "." + DEFAULT + ".property-a", "value-a");

        when(util.isComplete(any())).thenReturn(false);

        var generator = setupMocksAndBuilder(propMap)
                .withVerifyCompletenessOfDefaultConfiguration(false)
                .build();

        var profiles = generator.generate();

        verify(util).convert(Map.of("property-a", "value-a"));
        assertThat(profiles.keySet()).containsExactlyInAnyOrder(DEFAULT);
    }

    private ConfigProfileGenerator.ConfigProfileGeneratorBuilder setupMocksAndBuilder(Map<String, String> propMap) {
        when(properties.getPropertyNames()).thenReturn(propMap.keySet().stream());
        when(properties.getProperty(any())).thenAnswer(i -> propMap.get(i.getArgument(0)));
        when(util.merge(any(), any())).thenAnswer(i -> i.getArgument(0));
        when(util.isComplete(any())).thenReturn(true);
        when(util.convert(any())).thenReturn(configTypeBuilder().build());

        return configProfileGeneratorBuilder()
                .withProperties(properties)
                .withConfigUtil(util)
                .withDefaultConfigKey(DEFAULT)
                .withProfilePrefix(PREFIX)
                .withVerifyCompletenessOfDefaultConfiguration(true);
    }

}