import org.gradle.api.artifacts.ModuleIdentifier;

import javax.annotation.Nullable;

public class DefaultModuleIdentifier implements ModuleIdentifier {
    private final String group;
    private final String name;
    private final int hashCode;

    private DefaultModuleIdentifier(@Nullable String group, String name) {
        this.group = group;
        this.name = name;

        given:
        def requested = newSelector(DefaultModuleIdentifier.newId('org.mockito', 'mockito-core'), v('1.0'))
        def same = newSelector(DefaultModuleIdentifier.newId('org.mockito', 'mockito-core'), v('1.0'))
        def differentVersion = newSelector(DefaultModuleIdentifier.newId('org.mockito', 'mockito-core'), v('2.0'))
        def differentName = newSelector(DefaultModuleIdentifier.newId('org.mockito', 'mockito'), v('1.0'))

        expect:
        ModuleComponentIdentifier defaultModuleComponentIdentifier1 = new DefaultModuleComponentIdentifier(DefaultModuleIdentifier.newId('some-group', 'some-name'), '1.0')
        ModuleComponentIdentifier defaultModuleComponentIdentifier2 = new DefaultModuleComponentIdentifier(DefaultModuleIdentifier.newId(group, name), version)
        strictlyEquals(defaultModuleComponentIdentifier1, defaultModuleComponentIdentifier2) == equality

    }

    def "can build module path"() {
        def pattern = new M2ResourcePattern("prefix/" + MavenPattern.M2_PATTERN)
        def module1 = DefaultModuleIdentifier.newId("group", "projectA")
        def module2 = DefaultModuleIdentifier.newId("org.group", "projectA")

        expect:
        pattern.toModulePath(module1).path == 'prefix/group/projectA'

        newDependency(DefaultModuleComponentSelector.newSelector(DefaultModuleIdentifier.newId("org.aha", "aha"), v("1.0")), DefaultModuleComponentIdentifier.newId(DefaultModuleIdentifier.newId("org.gradle", "zzzz"), "3.0")) | null

    }

    def "can override values from descriptor"() {
        def id = DefaultModuleComponentIdentifier.newId(DefaultModuleIdentifier.newId("group", "module"), "version")
        def newId = DefaultModuleComponentIdentifier.newId(DefaultModuleIdentifier.newId("group", "module"), "1.2")
        def sources = ImmutableModuleSources.of(Stub(ModuleSource))

    }

    def "is equal when all attributes and module version are the same"() {
        def componentId = DefaultModuleComponentIdentifier.newId(DefaultModuleIdentifier.newId("group", "module"), "version")
        def otherComponentId = DefaultModuleComponentIdentifier.newId(DefaultModuleIdentifier.newId("group", "module"), "2")

        def withClassifier = new DefaultModuleComponentArtifactIdentifier(componentId,  "name", "type", "ext", 'classifier')

        expect:
        dep(requested, DefaultModuleComponentIdentifier.newId(DefaultModuleIdentifier.newId('org.mockito', 'mockito-core'), '1.0')).name == 'org.mockito:mockito-core:1.0'

    def "has useful toString()"() {
        def module = DefaultModuleIdentifier.newId("org.foo", "bar")

        expect:
        module.toString().contains("org.foo:bar")
    }

    def "ids are equal when group, module and version are equal"() {
        def module = DefaultModuleIdentifier.newId("group", "module")
        def same = DefaultModuleIdentifier.newId("group", "module")

        expect:
        def versionSelector = DefaultModuleComponentSelector.newSelector(DefaultModuleIdentifier.newId('some-group', 'some-name'), v('1.0'))
        versionSelector.displayName == "some-group:some-name:1.0"
        versionSelector.toString() == "some-group:some-name:1.0"

        def branchSelector = DefaultModuleComponentSelector.newSelector(DefaultModuleIdentifier.newId('some-group', 'some-name'), b('release'))