#ifndef YERBACON_HPP
#define YERBACON_HPP

#ifndef YBCON_VERSION
#warning "YBCON_VERSION is unknown and will therefore be set to a default value"
#define YBCON_VERSION "UNKNOWN"
#endif

#ifndef YBCON_FLAGS
#define YBCON_FLAGS "none"
#endif

#ifndef YBCON_COMPILER
#define YBCON_COMPILER "unknown"
#endif

#ifdef __STDC_NO_THREADS__
#error "A valid std::threads implementation is required"
#endif

#include <version>
#if not defined(__cpp_lib_concepts) || not defined(__cpp_lib_integer_comparison_functions)
#error "The current standard library is incomplete"
#endif
#ifndef __cpp_using_enum
#error "The "using enum" syntax is not supported by this compiler"
#endif

#include <exception>
#include <string_view>
#include <string>
#include <optional>
#include <algorithm>
#include <iostream>

namespace Yerbacon {
    consteval const char* getVersion() noexcept { return YBCON_VERSION; }
    consteval const char* getBuildInfo() noexcept { return
        "Build info:\n"
        "  Optimization flags: " YBCON_FLAGS "\n"
        "  Compiler: " YBCON_COMPILER;
    }
    static void exit(const std::initializer_list<const char*> reason) {
        std::for_each(reason.begin(), reason.end(), [](const char* current_string){
            std::cout << current_string;
        });
        std::cout << std::endl;
        std::exit(EXIT_FAILURE);
    }
    inline void exit(const char* reason) { exit({reason}); }
    class Exception: public std::exception {
        std::string exceptionCause;
    public:
        [[nodiscard]] const char* what() const noexcept final {
            return exceptionCause.data();
        }
        explicit Exception(const std::string_view& cause): exceptionCause(cause) {
            if (!cause.ends_with('\n')) exceptionCause += '\n';
        }
        Exception(const std::string_view& cause, unsigned long line): Exception(('L' + std::to_string(line) + ": ").append(cause)) {}
    };
}

#include <memory>
template<typename T, typename U>
constexpr T& pointerAs(const std::unique_ptr<U>& ptr) { return reinterpret_cast<T&>(*ptr); }

#undef YBCON_VERSION
#undef YBCON_FLAGS
#undef YBCON_COMPILER
#endif