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use codex_api::AuthProvider;
use codex_api::ModelsClient;
use codex_api::Provider;
use codex_api::RetryConfig;
use codex_client::ReqwestTransport;
use codex_http_client::HttpClientBuilder;
use codex_protocol::config_types::ReasoningSummary;
use codex_protocol::openai_models::ConfigShellToolType;
use codex_protocol::openai_models::ModelInfo;
use codex_protocol::openai_models::ModelVisibility;
use codex_protocol::openai_models::ModelsResponse;
use codex_protocol::openai_models::ReasoningEffort;
use codex_protocol::openai_models::ReasoningEffortPreset;
use codex_protocol::openai_models::TruncationPolicyConfig;
use codex_protocol::openai_models::default_input_modalities;
use http::HeaderMap;
use http::Method;
use std::sync::Arc;
use wiremock::Mock;
use wiremock::MockServer;
use wiremock::ResponseTemplate;
use wiremock::matchers::method;
use wiremock::matchers::path;

#[derive(Clone, Default)]
struct DummyAuth;

impl AuthProvider for DummyAuth {
    fn add_auth_headers(&self, _headers: &mut HeaderMap) {}
}

fn provider(base_url: &str) -> Provider {
    Provider {
        name: "test".to_string(),
        base_url: base_url.to_string(),
        query_params: None,
        headers: HeaderMap::new(),
        retry: RetryConfig {
            max_attempts: 1,
            base_delay: std::time::Duration::from_millis(1),
            retry_429: false,
            retry_5xx: true,
            retry_transport: true,
        },
        stream_idle_timeout: std::time::Duration::from_secs(1),
    }
}

#[tokio::test]
async fn models_client_hits_models_endpoint() {
    let server = MockServer::start().await;
    let base_url = format!("{}/api/codex", server.uri());

    let response = ModelsResponse {
        models: vec![ModelInfo {
            slug: "gpt-test".to_string(),
            display_name: "gpt-test".to_string(),
            description: Some("desc".to_string()),
            default_reasoning_level: Some(ReasoningEffort::Medium),
            supported_reasoning_levels: vec![
                ReasoningEffortPreset {
                    effort: ReasoningEffort::Low,
                    description: ReasoningEffort::Low.to_string(),
                },
                ReasoningEffortPreset {
                    effort: ReasoningEffort::Medium,
                    description: ReasoningEffort::Medium.to_string(),
                },
                ReasoningEffortPreset {
                    effort: ReasoningEffort::High,
                    description: ReasoningEffort::High.to_string(),
                },
            ],
            shell_type: ConfigShellToolType::UnifiedExec,
            visibility: ModelVisibility::List,
            supported_in_api: true,
            priority: 1,
            additional_speed_tiers: Vec::new(),
            service_tiers: Vec::new(),
            default_service_tier: None,
            available_access_programs: None,
            upgrade: None,
            model_messages: None,
            include_skills_usage_instructions: false,
            include_plugin_usage_instructions: false,
            include_apps_usage_instructions: false,
            supports_reasoning_summary_parameter: true,
            default_reasoning_summary: ReasoningSummary::Auto,
            support_verbosity: false,
            default_verbosity: None,
            availability_nux: None,
            apply_patch_tool_type: None,
            web_search_tool_type: Default::default(),
            truncation_policy: TruncationPolicyConfig::bytes(/*limit*/ 10_000),
            supports_image_detail_original: false,
            context_window: Some(272_000),
            max_context_window: None,
            auto_compact_token_limit: None,
            comp_hash: None,
            effective_context_window_percent: 95,
            experimental_supported_tools: Vec::new(),
            input_modalities: default_input_modalities(),
            used_fallback_model_metadata: false,
            supports_search_tool: false,
            supports_experimental_context: false,
            use_responses_lite: false,
            guardian: None,
            node_repl_auto_review_required: true,
            node_repl_disabled: true,
            auto_review_model_override: None,
            model_specialty: None,
            tool_mode: None,
            multi_agent_version: None,
            multi_agent_reasoning_effort: None,
        }],
    };

    Mock::given(method("GET"))
        .and(path("/api/codex/models"))
        .respond_with(
            ResponseTemplate::new(200)
                .insert_header("content-type", "application/json")
                .set_body_json(&response),
        )
        .mount(&server)
        .await;

    let transport = ReqwestTransport::from_http_client(
        HttpClientBuilder::new()
            .build_direct()
            .expect("test HTTP client should build"),
    );
    let provider = provider(&base_url);
    let request_url = ModelsClient::<ReqwestTransport>::request_url(&provider, "0.1.0");
    let client = ModelsClient::new(transport, provider, Arc::new(DummyAuth));

    let (models, _) = client
        .list_models(request_url, HeaderMap::new())
        .await
        .expect("models request should succeed");

    assert_eq!(models.len(), 1);
    assert_eq!(models[0].slug, "gpt-test");
    assert!(models[0].node_repl_auto_review_required);
    assert!(models[0].node_repl_disabled);

    let received = server
        .received_requests()
        .await
        .expect("should capture requests");
    assert_eq!(received.len(), 1);
    assert_eq!(received[0].method, Method::GET.as_str());
    assert_eq!(received[0].url.path(), "/api/codex/models");
}