mod common;

#[test]
fn test_rate_limiting_with_concurrent_requests() {
    let temp_dir = common::setup_test_environment();
    let port = 1967 + (std::process::id() % 1000) as u16;

    // Create config with rate limiting enabled
    let config_path = temp_dir.path().join("config.toml");
    let config_content = format!(r#"
        root = "{}"
        cert = "{}"
        key = "{}"
        hostname = "localhost"
        bind_host = "127.0.0.1"
        port = {}
        max_concurrent_requests = 1
    "#, temp_dir.path().join("content").display(), temp_dir.path().join("cert.pem").display(), temp_dir.path().join("key.pem").display(), port);
    std::fs::write(&config_path, config_content).unwrap();

    // Start server binary with test delay to simulate processing time
    let mut server_process = std::process::Command::new(env!("CARGO_BIN_EXE_pollux"))
        .arg("--config")
        .arg(&config_path)
        .arg("--test-processing-delay")
        .arg("1")  // 1 second delay per request
        .spawn()
        .expect("Failed to start server");

    // Wait for server to start
    std::thread::sleep(std::time::Duration::from_millis(500));

    // Spawn 5 concurrent client processes
    let mut handles = vec![];
    for _ in 0..5 {
        let url = format!("gemini://localhost:{}/test.gmi", port);
        let handle = std::thread::spawn(move || {
            std::process::Command::new("python3")
                .arg("tests/gemini_test_client.py")
                .arg(url)
                .output()
        });
        handles.push(handle);
    }

    // Collect results
    let mut results = vec![];
    for handle in handles {
        let output = handle.join().unwrap().unwrap();
        let status = String::from_utf8(output.stdout).unwrap();
        results.push(status.trim().to_string());
    }

    // Kill server
    let _ = server_process.kill();

    // Analyze results
    let success_count = results.iter().filter(|r| r.starts_with("20")).count();
    let rate_limited_count = results.iter().filter(|r| r.starts_with("41")).count();

    // Validation
    assert!(success_count >= 1, "At least 1 request should succeed, got results: {:?}", results);
    assert!(rate_limited_count >= 1, "At least 1 request should be rate limited, got results: {:?}", results);
    assert_eq!(success_count + rate_limited_count, 5, "All requests should get valid responses, got results: {:?}", results);
}