#pragma once

// ==============================================================================
// Minimal printf-style logger
// ==============================================================================
// Replaces the kernel's dev_dbg/dev_err from medusalix/xone. Writes to
// stderr; the Swift app layer can redirect or swallow it later.
// ==============================================================================

#include <cstdarg>
#include <cstdio>

namespace xone {

enum class log_level {
    debug = 0,
    info,
    warn,
    error,
};

inline auto log_msg(log_level level, char const* fmt, ...) -> void
{
    char const* tag = "?";
    switch (level) {
    case log_level::debug:
        tag = "debug";
        break;
    case log_level::info:
        tag = "info";
        break;
    case log_level::warn:
        tag = "warn";
        break;
    case log_level::error:
        tag = "error";
        break;
    }

    std::fprintf(stderr, "[%s] ", tag);
    va_list ap;
    va_start(ap, fmt);
    std::vfprintf(stderr, fmt, ap);
    va_end(ap);
    std::fprintf(stderr, "\n");
}

} // namespace xone