pub trait IStorage: Send + Sync {
    fn plugins(&self, query: &str) -> decky_api::StorePluginList;

    fn get_artifact(&self, _name: &str, _version: &str, _hash: &str) -> Result<bytes::Bytes, std::io::Error> {
        Err(std::io::Error::new(std::io::ErrorKind::InvalidInput, "Artifact downloading not supported"))
    }

    fn get_image(&self, _name: &str) -> Result<bytes::Bytes, std::io::Error> {
        Err(std::io::Error::new(std::io::ErrorKind::InvalidInput, "Image downloading not supported"))
    }

    fn get_statistics(&self) -> std::collections::HashMap<String, u64> {
        std::collections::HashMap::with_capacity(0)
    }

    fn increment_statistic(&self, _name: &str, _version: &str, _query: &decky_api::StorePluginIncrement) -> Result<decky_api::StorePluginVersion, std::io::Error> {
        Err(std::io::Error::new(std::io::ErrorKind::InvalidInput, "Statistics increment not supported"))
    }
}

pub struct EmptyStorage;

impl IStorage for EmptyStorage {
    fn plugins(&self, _query: &str) -> decky_api::StorePluginList {
        Vec::new()
    }
}

pub trait IQueryHandler: Send + Sync {
    fn filter(&self, query: &str, plugins: decky_api::StorePluginList) -> decky_api::StorePluginList;

    /// Filter out recognized query parameters from query string, returning only those that the query handler can use in IQueryHandler::filter
    fn supported_params(&self, query: &str) -> String {
        query.to_owned()
    }
}