// Test RLMEngine BM25 integration
use std::sync::Arc;

use surrealdb::engine::remote::ws::Ws;
use surrealdb::opt::auth::Root;
use surrealdb::Surreal;
use vapora_rlm::search::bm25::BM25Index;
use vapora_rlm::storage::SurrealDBStorage;
use vapora_rlm::RLMEngine;

#[tokio::test]
#[ignore] // Requires SurrealDB
async fn test_engine_bm25_query() {
    // Setup - same as E2E test
    let db = Surreal::new::<Ws>("127.0.0.1:8000").await.unwrap();
    db.signin(Root {
        username: "root",
        password: "root",
    })
    .await
    .unwrap();
    db.use_ns("test_engine_bm25")
        .use_db("test_engine_bm25")
        .await
        .unwrap();

    let storage = Arc::new(SurrealDBStorage::new(db));
    let bm25_index = Arc::new(BM25Index::new().unwrap());
    let engine = Arc::new(RLMEngine::new(storage, bm25_index).unwrap());

    // Load a document
    let doc_id = format!("test-{}", uuid::Uuid::new_v4());
    let content = "This is test content with error handling patterns in Rust programming.";

    println!("Loading document...");
    let chunk_count = engine.load_document(&doc_id, content, None).await.unwrap();
    println!("✓ Loaded {} chunks", chunk_count);

    // Small delay to ensure commit completes
    tokio::time::sleep(tokio::time::Duration::from_millis(100)).await;

    // Query
    println!("Querying for 'error handling'...");
    let results = engine
        .query(&doc_id, "error handling", None, 5)
        .await
        .unwrap();
    println!("✓ Found {} results", results.len());

    for (i, result) in results.iter().enumerate() {
        println!(
            "  Result {}: score={}, content_preview={}",
            i + 1,
            result.score,
            &result.chunk.content[..50.min(result.chunk.content.len())]
        );
    }

    assert!(
        !results.is_empty(),
        "Should find results for 'error handling'"
    );
}