use crank_adapter_rest::RestAdapterError;
use crank_community_mcp::tool_error::tool_error_contract_from_runtime;
use crank_runtime::RuntimeError;
use serde_json::json;

#[test]
fn maps_upstream_429_to_recoverable_structured_tool_error() {
    let contract = tool_error_contract_from_runtime(
        &RuntimeError::RestAdapter(RestAdapterError::UnexpectedStatus {
            status: 429,
            body: json!({
                "error": "rate limit exceeded",
                "internal_trace": "do not leak"
            }),
        }),
        "req-429",
    );

    assert_eq!(contract.error_code, "upstream_rate_limited");
    assert!(contract.recoverable);
    assert_eq!(contract.upstream_status, Some(429));
    assert_eq!(contract.request_id, "req-429");
    assert_eq!(contract.suggested_action, Some("Повторите запрос позже."));
    assert!(!contract.message.contains("internal_trace"));
}

#[test]
fn maps_mapping_error_to_non_recoverable_structured_tool_error() {
    let contract = tool_error_contract_from_runtime(
        &RuntimeError::InvalidPreparedRequest {
            field: "query.base".to_owned(),
            reason: "expected string".to_owned(),
        },
        "req-map",
    );

    assert_eq!(contract.error_code, "runtime_error");
    assert!(!contract.recoverable);
    assert_eq!(contract.upstream_status, None);
    assert_eq!(contract.request_id, "req-map");
    assert_eq!(
        contract.suggested_action,
        Some("Проверьте параметры вызова инструмента.")
    );
}