use axum::Json;
use axum::extract::State;

use api_types::{ConfigResponse, ProviderCapabilitiesResponse, ProviderInfo};
use application::config::GetConfigQuery;

use crate::errors::AppError;
use crate::state::AppState;

pub async fn get_config(
    State(state): State<AppState>,
) -> Result<Json<ConfigResponse>, AppError> {
    let sys_config = application::config::get_config::execute(&state.config_deps, GetConfigQuery);
    let providers: Vec<ProviderInfo> = sys_config
        .providers
        .into_iter()
        .map(|p| ProviderInfo {
            id: p.id,
            capabilities: ProviderCapabilitiesResponse::from(p.capabilities),
        })
        .collect();
    let primary_caps = ProviderCapabilitiesResponse::from(sys_config.primary_capabilities);
    Ok(Json(ConfigResponse {
        allow_registration: sys_config.allow_registration,
        providers,
        provider_capabilities: primary_caps,
        available_provider_types: sys_config.available_provider_types,
    }))
}