#ifndef DEPTHGUIDE_YAML_UTILITY_HPP
#define DEPTHGUIDE_YAML_UTILITY_HPP

#include <yaml-cpp/yaml.h>

template<typename T>
inline auto yaml_load_number(const YAML::Node &conf, const char *name) {
    static_assert(std::is_arithmetic_v<T>);
    assert(conf[name].IsScalar());
    return conf[name].as<T>();
}

inline auto yaml_load_str(const YAML::Node &conf, const char *name) {
    assert(conf[name].IsScalar());
    return conf[name].as<std::string>();
}

inline auto yaml_load_sub(const YAML::Node &conf, const char *name) {
    assert(conf[name].IsMap());
    return conf[name];
}

#define LOAD_NUMBER(type, name) \
    yaml_load_number<type>(conf, name)

#define LOAD_STR(name) \
    yaml_load_str(conf, name)

#define LOAD_SUB(name) \
    yaml_load_sub(conf, name)

#define FROM_YAML_IMPL(type) \
    static auto from_yaml(const YAML::Node &conf) { \
        auto ret = type(); \
        ret.fill_from_yaml(conf); \
        return ret; \
    }

#endif //DEPTHGUIDE_YAML_UTILITY_HPP