//! Integration Tests: Temporal Memory Coordinator
//!
//! These tests verify causal memory architecture including:
//! - Causal link tracking
//! - Causal cone queries
//! - Memory consolidation
//! - Predictive anticipation

#[cfg(test)]
mod temporal_tests {
    // Note: These imports will be available once crates are implemented
    // use exo_temporal::{TemporalMemory, CausalConeType, AnticipationHint};
    // use exo_core::{Pattern, SubstrateTime, PatternId};

    /// Test: Store patterns with causal links, then verify causal queries
    ///
    /// Flow:
    /// 1. Store patterns with explicit causal antecedents
    /// 2. Build causal graph
    /// 3. Query with causal cone constraints
    /// 4. Verify only causally-connected patterns returned
    #[tokio::test]
    #[ignore] // Remove when exo-temporal exists
    async fn test_causal_storage_and_query() {
        // TODO: Implement once exo-temporal exists

        // Expected API:
        // let mut temporal_memory = TemporalMemory::new();
        //
        // // Store pattern A (no antecedents)
        // let pattern_a = Pattern { embedding: vec![1.0, 0.0, 0.0], ... };
        // let id_a = temporal_memory.store(pattern_a, antecedents=&[]).await.unwrap();
        //
        // // Store pattern B (caused by A)
        // let pattern_b = Pattern { embedding: vec![0.0, 1.0, 0.0], ... };
        // let id_b = temporal_memory.store(pattern_b, antecedents=&[id_a]).await.unwrap();
        //
        // // Store pattern C (caused by B)
        // let pattern_c = Pattern { embedding: vec![0.0, 0.0, 1.0], ... };
        // let id_c = temporal_memory.store(pattern_c, antecedents=&[id_b]).await.unwrap();
        //
        // // Query: causal past of C
        // let query = Query::from_id(id_c);
        // let results = temporal_memory.causal_query(
        //     &query,
        //     reference_time=SubstrateTime::now(),
        //     cone_type=CausalConeType::Past
        // ).await.unwrap();
        //
        // // Should find B and A (causal ancestors)
        // assert_eq!(results.len(), 2);
        // let ids: Vec<_> = results.iter().map(|r| r.pattern.id).collect();
        // assert!(ids.contains(&id_a));
        // assert!(ids.contains(&id_b));
        //
        // // Causal distances should be correct
        // let result_a = results.iter().find(|r| r.pattern.id == id_a).unwrap();
        // assert_eq!(result_a.causal_distance, 2); // A -> B -> C

        panic!("Implement this test once exo-temporal crate exists");
    }

    /// Test: Causal cone with light-cone constraints
    ///
    /// Verifies relativistic causal constraints on retrieval.
    #[tokio::test]
    #[ignore]
    async fn test_light_cone_query() {
        // TODO: Implement once exo-temporal exists

        // Expected behavior:
        // - Store patterns at different spacetime coordinates
        // - Query with light-cone velocity constraint
        // - Verify only patterns within light-cone returned

        // Expected API:
        // let cone_type = CausalConeType::LightCone { velocity: 1.0 };
        // let results = temporal_memory.causal_query(
        //     &query,
        //     reference_time,
        //     cone_type
        // ).await.unwrap();
        //
        // for result in results {
        //     let spatial_dist = distance(query.origin, result.pattern.origin);
        //     let temporal_dist = (result.timestamp - reference_time).abs();
        //     assert!(spatial_dist <= velocity * temporal_dist);
        // }

        panic!("Implement this test once exo-temporal crate exists");
    }

    /// Test: Memory consolidation from short-term to long-term
    ///
    /// Flow:
    /// 1. Fill short-term buffer with patterns of varying salience
    /// 2. Trigger consolidation
    /// 3. Verify high-salience patterns moved to long-term
    /// 4. Verify low-salience patterns forgotten
    #[tokio::test]
    #[ignore]
    async fn test_memory_consolidation() {
        // TODO: Implement once exo-temporal exists

        // Expected API:
        // let mut temporal_memory = TemporalMemory::new();
        //
        // // Store high-salience patterns
        // for _ in 0..10 {
        //     let pattern = Pattern { salience: 0.9, ... };
        //     temporal_memory.store(pattern, &[]).await.unwrap();
        // }
        //
        // // Store low-salience patterns
        // for _ in 0..10 {
        //     let pattern = Pattern { salience: 0.1, ... };
        //     temporal_memory.store(pattern, &[]).await.unwrap();
        // }
        //
        // // Trigger consolidation
        // temporal_memory.consolidate().await.unwrap();
        //
        // // Verify short-term buffer cleared
        // assert_eq!(temporal_memory.short_term_count(), 0);
        //
        // // Verify long-term contains ~10 patterns (high-salience)
        // assert!(temporal_memory.long_term_count() >= 8); // Allow some variance

        panic!("Implement this test once exo-temporal crate exists");
    }

    /// Test: Predictive anticipation and pre-fetching
    ///
    /// Verifies substrate can predict future queries and pre-fetch results.
    #[tokio::test]
    #[ignore]
    async fn test_predictive_anticipation() {
        // TODO: Implement once exo-temporal exists

        // Expected API:
        // let mut temporal_memory = TemporalMemory::new();
        //
        // // Establish sequential pattern: A -> B -> C
        // let id_a = store_pattern_a();
        // let id_b = store_pattern_b(antecedents=[id_a]);
        // let id_c = store_pattern_c(antecedents=[id_b]);
        //
        // // Train sequential pattern
        // temporal_memory.learn_sequential_pattern(&[id_a, id_b, id_c]);
        //
        // // Query A
        // temporal_memory.query(id_a).await.unwrap();
        //
        // // Provide anticipation hint
        // let hint = AnticipationHint::SequentialPattern;
        // temporal_memory.anticipate(&[hint]).await.unwrap();
        //
        // // Verify B and C are now cached (predicted)
        // assert!(temporal_memory.is_cached(id_b));
        // assert!(temporal_memory.is_cached(id_c));

        panic!("Implement this test once exo-temporal crate exists");
    }

    /// Test: Temporal knowledge graph integration
    ///
    /// Verifies integration with temporal knowledge graph structures.
    #[tokio::test]
    #[ignore]
    async fn test_temporal_knowledge_graph() {
        // TODO: Implement once exo-temporal TKG support exists

        // Expected:
        // - Store facts with temporal validity periods
        // - Query facts at specific time points
        // - Verify temporal reasoning (fact true at t1, false at t2)

        panic!("Implement this test once TKG integration exists");
    }

    /// Test: Causal graph distance computation
    ///
    /// Verifies correct computation of causal distances.
    #[tokio::test]
    #[ignore]
    async fn test_causal_distance() {
        // TODO: Implement once exo-temporal exists

        // Build causal chain: A -> B -> C -> D -> E
        // Query causal distance from A to E
        // Expected: 4 (number of hops)

        panic!("Implement this test once exo-temporal crate exists");
    }

    /// Test: Concurrent causal updates
    ///
    /// Verifies thread-safety of causal graph updates.
    #[tokio::test]
    #[ignore]
    async fn test_concurrent_causal_updates() {
        // TODO: Implement once exo-temporal exists

        // Expected:
        // - Spawn multiple tasks storing patterns concurrently
        // - Verify no race conditions in causal graph
        // - Verify all causal links preserved

        panic!("Implement this test once exo-temporal crate exists");
    }

    /// Test: Memory decay and forgetting
    ///
    /// Verifies strategic forgetting mechanisms.
    #[tokio::test]
    #[ignore]
    async fn test_strategic_forgetting() {
        // TODO: Implement once exo-temporal exists

        // Expected:
        // - Store patterns with low access frequency
        // - Advance time and trigger decay
        // - Verify low-salience patterns removed

        panic!("Implement this test once exo-temporal crate exists");
    }
}