// file: crates/ksp-app-wallet-desk/src/offchain_runtime.rs
// version: 1

//! Optional composite-selected Off-chain Transport runtime used by Wallet Desk SOL/USD presentation.

/// Safe provider-neutral Off-chain Transport runtime retained by Wallet Desk when Config resolution succeeds.
pub(crate) struct OffchainTransportRuntime {
    resolved: ksp_config_lib::ResolvedOffchainTransportConfig,
}

impl OffchainTransportRuntime {
    /// Returns the generic market-price service built and owned by Config.
    #[must_use]
    pub(crate) const fn service(&self) -> &ksp_offchain_transport_lib::MarketPriceService {
        return self.resolved.service();
    }

    /// Returns the composite-selected Off-chain Transport profile identifier.
    #[must_use]
    pub(crate) fn profile_id(&self) -> &str {
        return self.resolved.profile_id();
    }
}

/// Resolves the Wallet Desk Off-chain Transport component through Config.
pub(crate) fn initialize_offchain_transport(management: &ksp_config_lib::ConfigManagement) -> ksp_core_lib::Result<OffchainTransportRuntime> {
    let environment = ksp_config_lib::ConfigEnvironment::load();
    let environment = match environment {
        std::result::Result::Ok(value) => value,
        std::result::Result::Err(error) => return std::result::Result::Err(error),
    };
    let composite = crate::load_wallet_desk_composite(management);
    let composite = match composite {
        std::result::Result::Ok(value) => value,
        std::result::Result::Err(error) => return std::result::Result::Err(error),
    };
    let profile = crate::required_composite_component_profile(
        &composite,
        crate::COMPOSITE_COMPONENT_ID_OFFCHAIN_TRANSPORT,
        ksp_config_lib::FILE_ID_STD_OFFCHAIN_TRANSPORT,
    );
    let profile = match profile {
        std::result::Result::Ok(value) => value,
        std::result::Result::Err(error) => return std::result::Result::Err(error),
    };
    let resolved = management.engine().resolve_offchain_transport_config_profile(&profile, &environment);
    let resolved = match resolved {
        std::result::Result::Ok(value) => value,
        std::result::Result::Err(error) => return std::result::Result::Err(error),
    };
    let provider_count = resolved.service().registry().len();
    ksp_logging_lib::info!(
        target: crate::TRACING_TARGET,
        domain = crate::TRACING_DOMAIN_OFFCHAIN_TRANSPORT,
        offchain_profile = resolved.profile_id(),
        provider_count,
        "initialized Wallet Desk Off-chain Transport from composite-managed configuration"
    );
    return std::result::Result::Ok(OffchainTransportRuntime { resolved });
}