package io.apicurio.registry.noprofile;

import io.apicurio.registry.AbstractRegistryTestBase;
import io.apicurio.registry.JsonSchemas;
import io.apicurio.registry.rules.compatibility.CompatibilityChecker;
import io.apicurio.registry.rules.compatibility.CompatibilityDifference;
import io.apicurio.registry.rules.compatibility.CompatibilityExecutionResult;
import io.apicurio.registry.rules.compatibility.CompatibilityLevel;
import io.apicurio.registry.json.rules.compatibility.JsonSchemaCompatibilityDifference;
import io.apicurio.registry.json.rules.compatibility.jsonschema.diff.DiffType;
import io.apicurio.registry.json.rules.compatibility.jsonschema.diff.Difference;
import io.apicurio.registry.types.ArtifactType;
import io.apicurio.registry.types.ContentTypes;
import io.apicurio.registry.types.provider.ArtifactTypeUtilProvider;
import io.apicurio.registry.types.provider.ArtifactTypeUtilProviderFactory;
import io.quarkus.test.junit.QuarkusTest;
import jakarta.inject.Inject;
import org.junit.jupiter.api.Assertions;
import org.junit.jupiter.api.Test;

import java.util.Collections;
import java.util.List;
import java.util.Set;

@QuarkusTest
public class ArtifactTypeTest extends AbstractRegistryTestBase {

    @Inject
    ArtifactTypeUtilProviderFactory factory;

    private static String PROTO_DATA = "syntax = \"proto2\";\n" + "\n" + "message ProtoSchema {\n"
            + "  required string message = 1;\n" + "  required int64 time = 2;\n" + "}";

    private static String PROTO_DATA_2 = "syntax = \"proto2\";\n" + "\n" + "message ProtoSchema {\n"
            + "  required string message = 1;\n" + "  required int64 time = 2;\n"
            + "  required string code = 3;\n" + "}";

    @Test
    public void testAvro() {
        String avroString = "{\"type\":\"record\",\"name\":\"myrecord1\",\"fields\":[{\"name\":\"f1\",\"type\":\"string\"}]}";
        String avro = ArtifactType.AVRO;
        ArtifactTypeUtilProvider provider = factory.getArtifactTypeProvider(avro);
        CompatibilityChecker checker = provider.getCompatibilityChecker();

        CompatibilityExecutionResult compatibilityExecutionResult = checker.testCompatibility(
                CompatibilityLevel.BACKWARD, Collections.emptyList(), asTypedContent(avroString),
                Collections.emptyMap());
        Assertions.assertTrue(compatibilityExecutionResult.isCompatible());
        Assertions.assertTrue(compatibilityExecutionResult.getIncompatibleDifferences().isEmpty());

        String avroString2 = "{\"type\":\"record\",\"name\":\"myrecord1\",\"fields\":[{\"name\":\"f1\",\"type\":\"string\", \"qq\":\"ff\"}]}";
        compatibilityExecutionResult = checker.testCompatibility(CompatibilityLevel.BACKWARD,
                Collections.singletonList(asTypedContent(avroString)), asTypedContent(avroString2),
                Collections.emptyMap());
        Assertions.assertTrue(compatibilityExecutionResult.isCompatible());
        Assertions.assertTrue(compatibilityExecutionResult.getIncompatibleDifferences().isEmpty());
    }

    @Test
    public void testJson() {
        String jsonString = JsonSchemas.jsonSchema;
        String incompatibleJsonString = JsonSchemas.incompatibleJsonSchema;
        String json = ArtifactType.JSON;
        ArtifactTypeUtilProvider provider = factory.getArtifactTypeProvider(json);
        CompatibilityChecker checker = provider.getCompatibilityChecker();

        Assertions.assertTrue(checker.testCompatibility(CompatibilityLevel.BACKWARD, Collections.emptyList(),
                asTypedContent(jsonString), Collections.emptyMap()).isCompatible());
        Assertions.assertTrue(checker.testCompatibility(CompatibilityLevel.BACKWARD,
                Collections.singletonList(asTypedContent(jsonString)), asTypedContent(jsonString),
                Collections.emptyMap()).isCompatible());

        CompatibilityExecutionResult compatibilityExecutionResult = checker.testCompatibility(
                CompatibilityLevel.BACKWARD, Collections.singletonList(asTypedContent(jsonString)),
                asTypedContent(incompatibleJsonString), Collections.emptyMap());
        Assertions.assertFalse(compatibilityExecutionResult.isCompatible());
        Set<CompatibilityDifference> incompatibleDifferences = compatibilityExecutionResult
                .getIncompatibleDifferences();
        Difference ageDiff = findDiffByPathUpdated(incompatibleDifferences, "/properties/age");
        Difference zipCodeDiff = findDiffByPathUpdated(incompatibleDifferences, "/properties/zipcode");
        Assertions.assertEquals(DiffType.SUBSCHEMA_TYPE_CHANGED.getDescription(),
                ageDiff.getDiffType().getDescription());
        Assertions.assertEquals("/properties/age", ageDiff.getPathUpdated());
        Assertions.assertEquals(DiffType.SUBSCHEMA_TYPE_CHANGED.getDescription(),
                zipCodeDiff.getDiffType().getDescription());
        Assertions.assertEquals("/properties/zipcode", zipCodeDiff.getPathUpdated());
    }

    private Difference findDiffByPathUpdated(Set<CompatibilityDifference> incompatibleDifferences,
            String path) {
        for (CompatibilityDifference cd : incompatibleDifferences) {
            JsonSchemaCompatibilityDifference jsonSchemaCompatibilityDifference = (JsonSchemaCompatibilityDifference) cd;
            Difference diff = jsonSchemaCompatibilityDifference.getDifference();
            if (diff.getPathUpdated().equals(path)) {
                return diff;
            }
        }
        return null;
    }

    @Test
    public void testProtobuf() {
        String data = "syntax = \"proto3\";\n" + "package test;\n" + "\n" + "message Channel {\n"
                + "  int64 id = 1;\n" + "  string name = 2;\n" + "  string description = 3;\n" + "}\n" + "\n"
                + "message NextRequest {}\n" + "message PreviousRequest {}\n" + "\n"
                + "service ChannelChanger {\n" + "\trpc Next(stream NextRequest) returns (Channel);\n"
                + "\trpc Previous(PreviousRequest) returns (stream Channel);\n" + "}\n";

        String protobuf = ArtifactType.PROTOBUF;
        ArtifactTypeUtilProvider provider = factory.getArtifactTypeProvider(protobuf);
        CompatibilityChecker checker = provider.getCompatibilityChecker();

        CompatibilityExecutionResult compatibilityExecutionResult = checker.testCompatibility(
                CompatibilityLevel.BACKWARD, Collections.emptyList(),
                asTypedContent(data, ContentTypes.APPLICATION_PROTOBUF), Collections.emptyMap());
        Assertions.assertTrue(compatibilityExecutionResult.isCompatible());
        Assertions.assertTrue(compatibilityExecutionResult.getIncompatibleDifferences().isEmpty());

        String data2 = "syntax = \"proto3\";\n" + "package test;\n" + "\n" + "message Channel {\n"
                + "  int64 id = 1;\n" + "  string name = 2;\n" +
                // " reserved 3;\n" +
                // " reserved \"description\";\n" +
                "  string description = 3;\n" + // TODO
                "  string newff = 4;\n" + "}\n" + "\n" + "message NextRequest {}\n"
                + "message PreviousRequest {}\n" + "\n" + "service ChannelChanger {\n"
                + "\trpc Next(stream NextRequest) returns (Channel);\n"
                + "\trpc Previous(PreviousRequest) returns (stream Channel);\n" + "}\n";

        compatibilityExecutionResult = checker.testCompatibility(CompatibilityLevel.BACKWARD,
                Collections.singletonList(asTypedContent(data, ContentTypes.APPLICATION_PROTOBUF)),
                asTypedContent(data2, ContentTypes.APPLICATION_PROTOBUF), Collections.emptyMap());
        Assertions.assertTrue(compatibilityExecutionResult.isCompatible());
        Assertions.assertTrue(compatibilityExecutionResult.getIncompatibleDifferences().isEmpty());

        String data3 = "syntax = \"proto3\";\n" + "package test;\n" + "\n" + "message Channel {\n"
                + "  int64 id = 1;\n" + "  string name = 2;\n" + "  string description = 4;\n" + "}\n" + "\n"
                + "message NextRequest {}\n" + "message PreviousRequest {}\n" + "\n"
                + "service ChannelChanger {\n" + "\trpc Next(stream NextRequest) returns (Channel);\n"
                + "\trpc Previous(PreviousRequest) returns (stream Channel);\n" + "}\n";

        compatibilityExecutionResult = checker.testCompatibility(CompatibilityLevel.BACKWARD,
                Collections.singletonList(asTypedContent(data, ContentTypes.APPLICATION_PROTOBUF)),
                asTypedContent(data3, ContentTypes.APPLICATION_PROTOBUF), Collections.emptyMap());
        Assertions.assertFalse(compatibilityExecutionResult.isCompatible());
        Assertions.assertFalse(compatibilityExecutionResult.getIncompatibleDifferences().isEmpty());
        // Verify detailed error message is returned (not generic)
        String description = compatibilityExecutionResult.getIncompatibleDifferences().iterator().next()
                .asRuleViolation().getDescription();
        Assertions.assertFalse(
                description.equals("The new version of the protobuf artifact is not backward compatible."),
                "Expected detailed error, not generic message. Got: " + description);
        // Verify context contains the message name
        String context = compatibilityExecutionResult.getIncompatibleDifferences().iterator().next()
                .asRuleViolation().getContext();
        Assertions.assertTrue(context.contains("Channel"),
                "Expected context to contain message name 'Channel', got: " + context);
    }

    @Test
    public void testProtobufV2() {
        String data = "syntax = \"proto2\";\n" + "\n" + "message ProtoSchema {\n"
                + "  required string message = 1;\n" + "  required int64 time = 2;\n" + "}";

        String protobuf = ArtifactType.PROTOBUF;
        ArtifactTypeUtilProvider provider = factory.getArtifactTypeProvider(protobuf);
        CompatibilityChecker checker = provider.getCompatibilityChecker();

        CompatibilityExecutionResult compatibilityExecutionResult = checker.testCompatibility(
                CompatibilityLevel.BACKWARD, Collections.emptyList(),
                asTypedContent(data, ContentTypes.APPLICATION_PROTOBUF), Collections.emptyMap());
        Assertions.assertTrue(compatibilityExecutionResult.isCompatible());
        Assertions.assertTrue(compatibilityExecutionResult.getIncompatibleDifferences().isEmpty());

        String data2 = "syntax = \"proto2\";\n" + "\n" + "message ProtoSchema {\n"
                + "  required string message = 1;\n" + "  required int64 time = 2;\n"
                + "  required string code = 3;\n" + "}";

        compatibilityExecutionResult = checker.testCompatibility(CompatibilityLevel.BACKWARD,
                Collections.singletonList(asTypedContent(data, ContentTypes.APPLICATION_PROTOBUF)),
                asTypedContent(data2, ContentTypes.APPLICATION_PROTOBUF), Collections.emptyMap());
        Assertions.assertFalse(compatibilityExecutionResult.isCompatible());
        Assertions.assertFalse(compatibilityExecutionResult.getIncompatibleDifferences().isEmpty());
        // Verify detailed error message is returned (required field added)
        String description = compatibilityExecutionResult.getIncompatibleDifferences().iterator().next()
                .asRuleViolation().getDescription();
        Assertions.assertTrue(description.contains("required field added"),
                "Expected detailed error about required field added, got: " + description);
        // Verify context contains the message name
        String context = compatibilityExecutionResult.getIncompatibleDifferences().iterator().next()
                .asRuleViolation().getContext();
        Assertions.assertTrue(context.contains("ProtoSchema"),
                "Expected context to contain message name 'ProtoSchema', got: " + context);
    }

    @Test
    public void testProtobufBackwardTransitive() {
        String protobuf = ArtifactType.PROTOBUF;
        ArtifactTypeUtilProvider provider = factory.getArtifactTypeProvider(protobuf);
        CompatibilityChecker checker = provider.getCompatibilityChecker();

        // adding a required field is not allowed since the first schema does not have it, should fail
        CompatibilityExecutionResult compatibilityExecutionResult = checker.testCompatibility(
                CompatibilityLevel.BACKWARD_TRANSITIVE,
                List.of(asTypedContent(PROTO_DATA, ContentTypes.APPLICATION_PROTOBUF),
                        asTypedContent(PROTO_DATA_2, ContentTypes.APPLICATION_PROTOBUF)),
                asTypedContent(PROTO_DATA_2, ContentTypes.APPLICATION_PROTOBUF), Collections.emptyMap());
        Assertions.assertFalse(compatibilityExecutionResult.isCompatible());
        Assertions.assertFalse(compatibilityExecutionResult.getIncompatibleDifferences().isEmpty());
        // Verify detailed error message is returned (required field added)
        String description = compatibilityExecutionResult.getIncompatibleDifferences().iterator().next()
                .asRuleViolation().getDescription();
        Assertions.assertTrue(description.contains("required field added"),
                "Expected detailed error about required field added, got: " + description);
        // Verify context contains the message name
        String context = compatibilityExecutionResult.getIncompatibleDifferences().iterator().next()
                .asRuleViolation().getContext();
        Assertions.assertTrue(context.contains("ProtoSchema"),
                "Expected context to contain message name 'ProtoSchema', got: " + context);
    }

    @Test
    public void testProtobufForward() {
        String protobuf = ArtifactType.PROTOBUF;
        ArtifactTypeUtilProvider provider = factory.getArtifactTypeProvider(protobuf);
        CompatibilityChecker checker = provider.getCompatibilityChecker();

        // adding a required field is not allowed, should fail
        CompatibilityExecutionResult compatibilityExecutionResult = checker.testCompatibility(
                CompatibilityLevel.FORWARD,
                Collections.singletonList(asTypedContent(PROTO_DATA_2, ContentTypes.APPLICATION_PROTOBUF)),
                asTypedContent(PROTO_DATA, ContentTypes.APPLICATION_PROTOBUF), Collections.emptyMap());
        Assertions.assertFalse(compatibilityExecutionResult.isCompatible());
        Assertions.assertFalse(compatibilityExecutionResult.getIncompatibleDifferences().isEmpty());
        // Verify detailed error message is returned (not generic)
        String description = compatibilityExecutionResult.getIncompatibleDifferences().iterator().next()
                .asRuleViolation().getDescription();
        Assertions.assertFalse(
                description.equals("The new version of the protobuf artifact is not forward compatible."),
                "Expected detailed error, not generic message. Got: " + description);
        // Verify context contains the message name
        String context = compatibilityExecutionResult.getIncompatibleDifferences().iterator().next()
                .asRuleViolation().getContext();
        Assertions.assertTrue(context.contains("ProtoSchema"),
                "Expected context to contain message name 'ProtoSchema', got: " + context);

        // adding a required field is allowed since we're only checking forward, not forward transitive
        compatibilityExecutionResult = checker.testCompatibility(CompatibilityLevel.FORWARD,
                List.of(asTypedContent(PROTO_DATA, ContentTypes.APPLICATION_PROTOBUF),
                        asTypedContent(PROTO_DATA_2, ContentTypes.APPLICATION_PROTOBUF)),
                asTypedContent(PROTO_DATA_2, ContentTypes.APPLICATION_PROTOBUF), Collections.emptyMap());
        Assertions.assertTrue(compatibilityExecutionResult.isCompatible());
        Assertions.assertTrue(compatibilityExecutionResult.getIncompatibleDifferences().isEmpty());
    }

    @Test
    public void testProtobufForwardTransitive() {
        String protobuf = ArtifactType.PROTOBUF;
        ArtifactTypeUtilProvider provider = factory.getArtifactTypeProvider(protobuf);
        CompatibilityChecker checker = provider.getCompatibilityChecker();

        // must pass, all the existing schemas are the same
        CompatibilityExecutionResult compatibilityExecutionResult = checker.testCompatibility(
                CompatibilityLevel.FORWARD_TRANSITIVE,
                List.of(asTypedContent(PROTO_DATA_2, ContentTypes.APPLICATION_PROTOBUF),
                        asTypedContent(PROTO_DATA_2, ContentTypes.APPLICATION_PROTOBUF)),
                asTypedContent(PROTO_DATA_2, ContentTypes.APPLICATION_PROTOBUF), Collections.emptyMap());
        Assertions.assertTrue(compatibilityExecutionResult.isCompatible());
        Assertions.assertTrue(compatibilityExecutionResult.getIncompatibleDifferences().isEmpty());

        // adding a required field is not allowed since we're now checking forward transitive and the field is
        // not present, not forward transitive
        compatibilityExecutionResult = checker.testCompatibility(CompatibilityLevel.FORWARD_TRANSITIVE,
                List.of(asTypedContent(PROTO_DATA, ContentTypes.APPLICATION_PROTOBUF),
                        asTypedContent(PROTO_DATA_2, ContentTypes.APPLICATION_PROTOBUF)),
                asTypedContent(PROTO_DATA_2, ContentTypes.APPLICATION_PROTOBUF), Collections.emptyMap());
        Assertions.assertFalse(compatibilityExecutionResult.isCompatible());
        Assertions.assertFalse(compatibilityExecutionResult.getIncompatibleDifferences().isEmpty());
        // Verify detailed error message is returned (not generic)
        String description = compatibilityExecutionResult.getIncompatibleDifferences().iterator().next()
                .asRuleViolation().getDescription();
        Assertions.assertFalse(
                description.equals("The new version of the protobuf artifact is not forward compatible."),
                "Expected detailed error, not generic message. Got: " + description);
        // Verify context contains the message name
        String context = compatibilityExecutionResult.getIncompatibleDifferences().iterator().next()
                .asRuleViolation().getContext();
        Assertions.assertTrue(context.contains("ProtoSchema"),
                "Expected context to contain message name 'ProtoSchema', got: " + context);
    }

    @Test
    public void testProtobufFull() {
        String protobuf = ArtifactType.PROTOBUF;
        ArtifactTypeUtilProvider provider = factory.getArtifactTypeProvider(protobuf);
        CompatibilityChecker checker = provider.getCompatibilityChecker();

        // adding a required field is not allowed since we're now checking forward transitive and the field is
        // not present, not forward transitive
        CompatibilityExecutionResult compatibilityExecutionResult = checker.testCompatibility(
                CompatibilityLevel.FULL,
                List.of(asTypedContent(PROTO_DATA, ContentTypes.APPLICATION_PROTOBUF)),
                asTypedContent(PROTO_DATA_2, ContentTypes.APPLICATION_PROTOBUF), Collections.emptyMap());
        Assertions.assertFalse(compatibilityExecutionResult.isCompatible());
        Assertions.assertFalse(compatibilityExecutionResult.getIncompatibleDifferences().isEmpty());
        // Verify detailed error message is returned (not generic)
        String description = compatibilityExecutionResult.getIncompatibleDifferences().iterator().next()
                .asRuleViolation().getDescription();
        Assertions.assertFalse(
                description.equals("The new version of the protobuf artifact is not fully compatible."),
                "Expected detailed error, not generic message. Got: " + description);
        // Verify context contains the message name
        String context = compatibilityExecutionResult.getIncompatibleDifferences().iterator().next()
                .asRuleViolation().getContext();
        Assertions.assertTrue(context.contains("ProtoSchema"),
                "Expected context to contain message name 'ProtoSchema', got: " + context);

        // must pass, since the schema is both backwards and forwards compatible with the latest existing
        // schema
        compatibilityExecutionResult = checker.testCompatibility(CompatibilityLevel.FULL,
                List.of(asTypedContent(PROTO_DATA, ContentTypes.APPLICATION_PROTOBUF),
                        asTypedContent(PROTO_DATA_2, ContentTypes.APPLICATION_PROTOBUF)),
                asTypedContent(PROTO_DATA_2, ContentTypes.APPLICATION_PROTOBUF), Collections.emptyMap());
        Assertions.assertTrue(compatibilityExecutionResult.isCompatible());
        Assertions.assertTrue(compatibilityExecutionResult.getIncompatibleDifferences().isEmpty());

        // must fail, the schema is not compatible with the first existing schema
        compatibilityExecutionResult = checker.testCompatibility(CompatibilityLevel.FULL_TRANSITIVE,
                List.of(asTypedContent(PROTO_DATA, ContentTypes.APPLICATION_PROTOBUF),
                        asTypedContent(PROTO_DATA_2, ContentTypes.APPLICATION_PROTOBUF)),
                asTypedContent(PROTO_DATA_2, ContentTypes.APPLICATION_PROTOBUF), Collections.emptyMap());
        Assertions.assertFalse(compatibilityExecutionResult.isCompatible());
        Assertions.assertFalse(compatibilityExecutionResult.getIncompatibleDifferences().isEmpty());
        // Verify detailed error message is returned (not generic)
        description = compatibilityExecutionResult.getIncompatibleDifferences().iterator().next()
                .asRuleViolation().getDescription();
        Assertions.assertFalse(
                description.equals("The new version of the protobuf artifact is not fully compatible."),
                "Expected detailed error, not generic message. Got: " + description);
        // Verify context contains the message name
        context = compatibilityExecutionResult.getIncompatibleDifferences().iterator().next()
                .asRuleViolation().getContext();
        Assertions.assertTrue(context.contains("ProtoSchema"),
                "Expected context to contain message name 'ProtoSchema', got: " + context);
    }
}
