//! provider 配置（已知模型窗口表、base_url 拆分）的单元测试。
//! Unit tests for provider config (known-model windows, base_url splitting).

use focus_providers::config::{
    known_context_window, resolve_context_window, split_base_url, ProviderConfig,
    DEFAULT_CONTEXT_WINDOW,
};

#[test]
fn known_windows_prefix_matching() {
    assert_eq!(
        known_context_window("claude-sonnet-4-20250514"),
        Some(200_000)
    );
    assert_eq!(known_context_window("gpt-4o"), Some(128_000));
    assert_eq!(known_context_window("gpt-4.1-mini"), Some(1_000_000));
    assert_eq!(known_context_window("unknown-model"), None);
}

#[test]
fn resolve_fallback_order() {
    // 配置优先。
    // Configured value wins.
    assert_eq!(resolve_context_window(Some(42), "claude-sonnet-4"), 42);
    // 已知表兜底。
    // Known table as fallback.
    assert_eq!(resolve_context_window(None, "claude-sonnet-4"), 200_000);
    // 保守默认。
    // Conservative default.
    assert_eq!(
        resolve_context_window(None, "totally-unknown"),
        DEFAULT_CONTEXT_WINDOW
    );
}

#[test]
fn splits_base_urls() {
    assert_eq!(
        split_base_url("https://api.anthropic.com").unwrap(),
        ("api.anthropic.com".to_string(), 443, String::new())
    );
    assert_eq!(
        split_base_url("https://localhost:8080/v1").unwrap(),
        ("localhost".to_string(), 8080, "/v1".to_string())
    );
    assert!(split_base_url("http://insecure.example.com").is_err());
    assert!(split_base_url("https:///no-host").is_err());
}

#[test]
fn config_defaults() {
    let c = ProviderConfig::new("sk-test");
    assert_eq!(c.api_key, "sk-test");
    assert_eq!(c.base_url, None);
    assert_eq!(c.context_window, None);
}