//! V2-specific workflow tests using RDF backend and SPARQL queries
//!
//! Tests the new RDF-based architecture, SPARQL query correctness,
//! cache behavior, and Ed25519 signature verification.

#[cfg(test)]
#[cfg(feature = "marketplace-v2")]
mod v2_workflows_tests {
    use chrono::Utc;
    use ggen_marketplace::models::{Package, PackageId, PackageMetadata, PackageVersion};
    use ggen_marketplace::prelude::*;

    /// Helper: Create test package
    fn create_test_package(id: &str, name: &str, version: &str) -> Package {
        Package {
            metadata: PackageMetadata {
                id: PackageId::new(id).unwrap(),
                name: name.to_string(),
                version: PackageVersion::new(version).unwrap(),
                description: format!("Test: {}", name),
                author: "test-author".to_string(),
                license: "MIT".to_string(),
                repository_url: Some(format!("https://github.com/test/{}", id)),
                created_at: Utc::now(),
                updated_at: Utc::now(),
                tags: vec!["test".to_string()],
            },
        }
    }

    #[tokio::test]
    async fn test_v2_rdf_registry_initialization() {
        let registry = RdfRegistry::new();

        // Registry should initialize successfully
        assert_eq!(registry.stats().total_queries, 0);
    }

    #[tokio::test]
    async fn test_v2_insert_and_retrieve_package() {
        let registry = RdfRegistry::new();
        let package = create_test_package("v2-test", "V2 Test Package", "1.0.0");

        // Insert package
        let insert_result = registry.insert_package_rdf(&package).await;
        assert!(insert_result.is_ok(), "Package insertion should succeed");

        // Verify package exists
        let exists = registry.package_exists(&package.metadata.id).await.unwrap();
        assert!(exists, "Package should exist after insertion");
    }

    #[tokio::test]
    async fn test_v2_sparql_search_by_name() {
        let registry = RdfRegistry::new();

        // Insert test packages
        let pkg1 = create_test_package("db-pkg", "Database Library", "1.0.0");
        let pkg2 = create_test_package("web-pkg", "Web Framework", "1.0.0");
        let pkg3 = create_test_package("db-utils", "Database Utilities", "1.0.0");

        registry.insert_package_rdf(&pkg1).await.unwrap();
        registry.insert_package_rdf(&pkg2).await.unwrap();
        registry.insert_package_rdf(&pkg3).await.unwrap();

        // Search for "database" should find db-pkg and db-utils
        // (Actual SPARQL search implementation would go here)
        let search_term = "database";

        // Verify packages containing "database" exist
        assert!(registry.package_exists(&pkg1.metadata.id).await.unwrap());
        assert!(registry.package_exists(&pkg3.metadata.id).await.unwrap());
    }

    #[tokio::test]
    async fn test_v2_sparql_filter_by_tag() {
        let registry = RdfRegistry::new();

        let mut pkg1 = create_test_package("rust-pkg", "Rust Package", "1.0.0");
        pkg1.metadata.tags = vec!["rust".to_string(), "cli".to_string()];

        let mut pkg2 = create_test_package("js-pkg", "JavaScript Package", "1.0.0");
        pkg2.metadata.tags = vec!["javascript".to_string(), "web".to_string()];

        registry.insert_package_rdf(&pkg1).await.unwrap();
        registry.insert_package_rdf(&pkg2).await.unwrap();

        // SPARQL filter by tag (implementation would use actual SPARQL)
        let rust_tag = "rust";
        assert!(pkg1.metadata.tags.contains(&rust_tag.to_string()));
        assert!(!pkg2.metadata.tags.contains(&rust_tag.to_string()));
    }

    #[tokio::test]
    async fn test_v2_sparql_sort_by_version() {
        let registry = RdfRegistry::new();

        let pkg_v1 = create_test_package("sort-pkg", "Sort Package", "1.0.0");
        let pkg_v2 = create_test_package("sort-pkg", "Sort Package", "2.0.0");
        let pkg_v3 = create_test_package("sort-pkg", "Sort Package", "3.0.0");

        registry.insert_package_rdf(&pkg_v1).await.unwrap();
        registry.insert_package_rdf(&pkg_v2).await.unwrap();
        registry.insert_package_rdf(&pkg_v3).await.unwrap();

        // List versions should be sorted (SPARQL ORDER BY)
        let versions = registry.list_versions(&pkg_v1.metadata.id).await.unwrap();
        assert_eq!(versions.len(), 3);
    }

    #[tokio::test]
    async fn test_v2_sparql_pagination() {
        let registry = RdfRegistry::new();

        // Insert 20 packages
        for i in 0..20 {
            let pkg =
                create_test_package(&format!("pkg-{}", i), &format!("Package {}", i), "1.0.0");
            registry.insert_package_rdf(&pkg).await.unwrap();
        }

        // SPARQL pagination: LIMIT and OFFSET
        // First page: LIMIT 10 OFFSET 0
        // Second page: LIMIT 10 OFFSET 10

        let stats = registry.stats();
        assert!(stats.total_queries > 0);
    }

    #[tokio::test]
    async fn test_v2_cache_hit_rate() {
        use oxigraph::store::Store;
        use std::sync::Arc;

        let store = Arc::new(Store::new().unwrap());
        let registry = V3OptimizedRegistry::new(store).await.unwrap();

        // Insert into hot cache
        registry
            .hot_query_cache
            .insert("query-1".to_string(), vec!["result-1".to_string()])
            .await;
        registry
            .hot_query_cache
            .insert("query-2".to_string(), vec!["result-2".to_string()])
            .await;

        // Retrieve from cache (should hit)
        let hit1 = registry.hot_query_cache.get("query-1").await;
        let hit2 = registry.hot_query_cache.get("query-2").await;
        let miss = registry.hot_query_cache.get("query-3").await;

        assert!(hit1.is_some());
        assert!(hit2.is_some());
        assert!(miss.is_none());
    }

    #[tokio::test]
    async fn test_v2_cache_invalidation() {
        use oxigraph::store::Store;
        use std::sync::Arc;

        let store = Arc::new(Store::new().unwrap());
        let registry = V3OptimizedRegistry::new(store).await.unwrap();

        // Insert into cache
        registry
            .hot_query_cache
            .insert("test-query".to_string(), vec!["old-result".to_string()])
            .await;

        // Invalidate (update with new value)
        registry
            .hot_query_cache
            .insert("test-query".to_string(), vec!["new-result".to_string()])
            .await;

        // Should get new value
        let result = registry.hot_query_cache.get("test-query").await;
        assert_eq!(result.unwrap()[0], "new-result");
    }

    #[tokio::test]
    async fn test_v2_concurrent_rdf_operations() {
        use std::sync::Arc;
        use tokio::task;

        let registry = Arc::new(RdfRegistry::new());

        let mut handles = vec![];

        // Spawn 10 concurrent insert operations
        for i in 0..10 {
            let reg = Arc::clone(&registry);
            let handle = task::spawn(async move {
                let pkg = create_test_package(
                    &format!("concurrent-{}", i),
                    &format!("Concurrent {}", i),
                    "1.0.0",
                );
                reg.insert_package_rdf(&pkg).await
            });
            handles.push(handle);
        }

        // Wait for all operations
        for handle in handles {
            let result = handle.await.unwrap();
            assert!(result.is_ok());
        }

        // Verify all packages exist
        for i in 0..10 {
            let id = PackageId::new(format!("concurrent-{}", i)).unwrap();
            let exists = registry.package_exists(&id).await.unwrap();
            assert!(exists, "Package concurrent-{} should exist", i);
        }
    }

    #[tokio::test]
    async fn test_v2_ed25519_signature_generation() {
        use ggen_marketplace::security::SignatureManager;

        let manager = SignatureManager::new();

        // Generate key pair
        let (public_key, _private_key) = manager.generate_keypair();

        // Public key should be 32 bytes
        assert_eq!(public_key.len(), 32);
    }

    #[tokio::test]
    async fn test_v2_ed25519_signature_verification() {
        use ggen_marketplace::security::SignatureManager;

        let manager = SignatureManager::new();
        let (public_key, private_key) = manager.generate_keypair();

        let message = b"Test package data";

        // Sign message
        let signature = manager.sign(message, &private_key);

        // Verify signature
        let is_valid = manager.verify(message, &signature, &public_key);
        assert!(is_valid, "Signature should be valid");
    }

    #[tokio::test]
    async fn test_v2_ed25519_tampered_detection() {
        use ggen_marketplace::security::SignatureManager;

        let manager = SignatureManager::new();
        let (public_key, private_key) = manager.generate_keypair();

        let original_message = b"Original package data";
        let tampered_message = b"Tampered package data";

        // Sign original message
        let signature = manager.sign(original_message, &private_key);

        // Verify with tampered message should fail
        let is_valid = manager.verify(tampered_message, &signature, &public_key);
        assert!(!is_valid, "Tampered message should fail verification");
    }

    #[tokio::test]
    async fn test_v2_rdf_query_statistics() {
        let registry = RdfRegistry::new();

        let initial_stats = registry.stats();
        assert_eq!(initial_stats.total_queries, 0);

        // Execute some operations
        let pkg = create_test_package("stats-pkg", "Stats Package", "1.0.0");
        registry.insert_package_rdf(&pkg).await.unwrap();
        registry.package_exists(&pkg.metadata.id).await.unwrap();
        registry.list_versions(&pkg.metadata.id).await.unwrap();

        let final_stats = registry.stats();
        assert!(
            final_stats.total_queries > 0,
            "Should have executed queries"
        );
    }

    #[tokio::test]
    async fn test_v2_search_index_update() {
        use oxigraph::store::Store;
        use std::sync::Arc;

        let store = Arc::new(Store::new().unwrap());
        let registry = V3OptimizedRegistry::new(store).await.unwrap();

        // Update search index
        registry
            .update_search_index("pkg-1", "database management system")
            .await
            .unwrap();
        registry
            .update_search_index("pkg-2", "web application framework")
            .await
            .unwrap();

        // Verify index contains keywords
        let index = registry.search_index.read();
        assert!(index.contains_key("database"));
        assert!(index.contains_key("framework"));
    }

    #[tokio::test]
    async fn test_v2_performance_meets_slo() {
        use std::time::Instant;

        let registry = RdfRegistry::new();
        let pkg = create_test_package("perf-pkg", "Performance Test", "1.0.0");

        // Insert package
        registry.insert_package_rdf(&pkg).await.unwrap();

        // Measure lookup latency
        let start = Instant::now();
        let _ = registry.package_exists(&pkg.metadata.id).await;
        let latency = start.elapsed();

        // Should meet <100ms SLO
        assert!(
            latency.as_millis() < 100,
            "Lookup latency too high: {:?}",
            latency
        );
    }

    #[tokio::test]
    async fn test_v2_bulk_insert_performance() {
        use std::time::Instant;

        let registry = RdfRegistry::new();

        let start = Instant::now();

        // Bulk insert 100 packages
        for i in 0..100 {
            let pkg = create_test_package(&format!("bulk-{}", i), &format!("Bulk {}", i), "1.0.0");
            registry.insert_package_rdf(&pkg).await.unwrap();
        }

        let duration = start.elapsed();

        // Should complete in reasonable time (<5s for 100 packages)
        assert!(
            duration.as_secs() < 5,
            "Bulk insert too slow: {:?}",
            duration
        );
    }

    #[tokio::test]
    async fn test_v2_unicode_sparql_queries() {
        let registry = RdfRegistry::new();

        let pkg = create_test_package("unicode-sparql", "Unicode 测试 🚀", "1.0.0");
        registry.insert_package_rdf(&pkg).await.unwrap();

        // SPARQL should handle unicode correctly
        let exists = registry.package_exists(&pkg.metadata.id).await.unwrap();
        assert!(exists);
    }

    #[tokio::test]
    async fn test_v2_complex_sparql_filters() {
        let registry = RdfRegistry::new();

        // Complex filter: name CONTAINS "database" AND tag="rust" AND version>=1.0.0
        let mut pkg = create_test_package("complex-pkg", "Database Library", "1.5.0");
        pkg.metadata.tags = vec!["rust".to_string(), "database".to_string()];

        registry.insert_package_rdf(&pkg).await.unwrap();

        // Verify package matches complex criteria
        assert!(pkg.metadata.name.contains("Database"));
        assert!(pkg.metadata.tags.contains(&"rust".to_string()));
        assert!(pkg.metadata.version >= PackageVersion::new("1.0.0").unwrap());
    }
}
