//
// Copyright(c) 2015 Gabi Melman.
// Distributed under the MIT License (http://opensource.org/licenses/MIT)
//

#pragma once

#include "spdlog/details/fmt_helper.h"

#include <memory>
#include <string>

//#define SPDLOG_CATCH_AND_HANDLE                                                                                                            \
//    catch (const std::exception &ex)                                                                                                       \
//    {                                                                                                                                      \
//        err_handler_(ex.what());                                                                                                           \
//    }                                                                                                                                      \
//    catch (...)                                                                                                                            \
//    {                                                                                                                                      \
//        err_handler_("Unknown exception in logger");                                                                                       \
//    }

// create logger with given name, sinks and the default pattern formatter
// all other ctors will call this one
//template<typename It>
//inline spdlog::logger::logger(std::string logger_name, It begin, It end)
//    : name_(std::move(logger_name))
//    , sinks_(begin, end)
//{
//}

//// ctor with sinks as init list
//inline spdlog::logger::logger(std::string logger_name, sinks_init_list sinks_list)
//    : logger(std::move(logger_name), sinks_list.begin(), sinks_list.end())
//{
//}

// ctor with single sink
//inline spdlog::logger::logger(std::string logger_name, spdlog::sink_ptr single_sink)
//    : logger(std::move(logger_name), {std::move(single_sink)})
//{
//}

//inline spdlog::logger::~logger() = default;

//inline void spdlog::logger::set_formatter(std::unique_ptr<spdlog::formatter> f)
//{
//    for (auto &sink : sinks_)
//    {
//        sink->set_formatter(f->clone());
//    }
//}

//inline void spdlog::logger::set_pattern(std::string pattern, pattern_time_type time_type)
//{
//    auto new_formatter = details::make_unique<spdlog::pattern_formatter>(std::move(pattern), time_type);
//    set_formatter(std::move(new_formatter));
//}

//template<typename... Args>
//inline void spdlog::logger::log(source_loc source, level::level_enum lvl, const char *fmt, const Args &... args)
//{
//    if (!should_log(lvl))
//    {
//        return;
//    }
//
//    try
//    {
//        using details::fmt_helper::to_string_view;
//        fmt::memory_buffer buf;
//        fmt::format_to(buf, fmt, args...);
//        details::log_msg log_msg(source, &name_, lvl, to_string_view(buf));
//        sink_it_(log_msg);
//    }
//    SPDLOG_CATCH_AND_HANDLE
//}

//template<typename... Args>
//inline void spdlog::logger::log(level::level_enum lvl, const char *fmt, const Args &... args)
//{
//    log(source_loc{}, lvl, fmt, args...);
//}

//inline void spdlog::logger::log(source_loc source, level::level_enum lvl, const char *msg)
//{
//    if (!should_log(lvl))
//    {
//        return;
//    }
//
//    try
//    {
//        details::log_msg log_msg(source, &name_, lvl, spdlog::string_view_t(msg));
//        sink_it_(log_msg);
//    }
//    SPDLOG_CATCH_AND_HANDLE
//}

//inline void spdlog::logger::log(level::level_enum lvl, const char *msg)
//{
//    log(source_loc{}, lvl, msg);
//}

//template<class T>
//inline void spdlog::logger::log(level::level_enum lvl, const T &msg)
//{
//    log(source_loc{}, lvl, msg);
//}
//
//template<class T, typename std::enable_if<std::is_convertible<T, spdlog::string_view_t>::value, T>::type *>
//inline void spdlog::logger::log(source_loc source, level::level_enum lvl, const T &msg)
//{
//    if (!should_log(lvl))
//    {
//        return;
//    }
//    try
//    {
//        details::log_msg log_msg(source, &name_, lvl, msg);
//        sink_it_(log_msg);
//    }
//    SPDLOG_CATCH_AND_HANDLE
//}

//template<class T, typename std::enable_if<!std::is_convertible<T, spdlog::string_view_t>::value, T>::type *>
//inline void spdlog::logger::log(source_loc source, level::level_enum lvl, const T &msg)
//{
//    if (!should_log(lvl))
//    {
//        return;
//    }
//    try
//    {
//        using details::fmt_helper::to_string_view;
//        fmt::memory_buffer buf;
//        fmt::format_to(buf, "{}", msg);
//        details::log_msg log_msg(source, &name_, lvl, to_string_view(buf));
//        sink_it_(log_msg);
//    }
//    SPDLOG_CATCH_AND_HANDLE
//}

//template<typename... Args>
//inline void spdlog::logger::trace(const char *fmt, const Args &... args)
//{
//    log(level::trace, fmt, args...);
//}
//
//template<typename... Args>
//inline void spdlog::logger::debug(const char *fmt, const Args &... args)
//{
//    log(level::debug, fmt, args...);
//}
//
//template<typename... Args>
//inline void spdlog::logger::info(const char *fmt, const Args &... args)
//{
//    log(level::info, fmt, args...);
//}
//
//template<typename... Args>
//inline void spdlog::logger::warn(const char *fmt, const Args &... args)
//{
//    log(level::warn, fmt, args...);
//}
//
//template<typename... Args>
//inline void spdlog::logger::error(const char *fmt, const Args &... args)
//{
//    log(level::err, fmt, args...);
//}
//
//template<typename... Args>
//inline void spdlog::logger::critical(const char *fmt, const Args &... args)
//{
//    log(level::critical, fmt, args...);
//}
//
//template<typename T>
//inline void spdlog::logger::trace(const T &msg)
//{
//    log(level::trace, msg);
//}
//
//template<typename T>
//inline void spdlog::logger::debug(const T &msg)
//{
//    log(level::debug, msg);
//}
//
//template<typename T>
//inline void spdlog::logger::info(const T &msg)
//{
//    log(level::info, msg);
//}
//
//template<typename T>
//inline void spdlog::logger::warn(const T &msg)
//{
//    log(level::warn, msg);
//}
//
//template<typename T>
//inline void spdlog::logger::error(const T &msg)
//{
//    log(level::err, msg);
//}
//
//template<typename T>
//inline void spdlog::logger::critical(const T &msg)
//{
//    log(level::critical, msg);
//}

//#ifdef SPDLOG_WCHAR_TO_UTF8_SUPPORT

//inline void wbuf_to_utf8buf(const fmt::wmemory_buffer &wbuf, fmt::memory_buffer &target)
//{
//    int wbuf_size = static_cast<int>(wbuf.size());
//    if (wbuf_size == 0)
//    {
//        return;
//    }
//
//    auto result_size = ::WideCharToMultiByte(CP_UTF8, 0, wbuf.data(), wbuf_size, NULL, 0, NULL, NULL);
//
//    if (result_size > 0)
//    {
//        target.resize(result_size);
//        ::WideCharToMultiByte(CP_UTF8, 0, wbuf.data(), wbuf_size, &target.data()[0], result_size, NULL, NULL);
//    }
//    else
//    {
//        throw spdlog::spdlog_ex(fmt::format("WideCharToMultiByte failed. Last error: {}", ::GetLastError()));
//    }
//}

//template<typename... Args>
//inline void spdlog::logger::log(source_loc source, level::level_enum lvl, const wchar_t *fmt, const Args &... args)
//{
//    if (!should_log(lvl))
//    {
//        return;
//    }
//
//    try
//    {
//        // format to wmemory_buffer and convert to utf8
//        using details::fmt_helper::to_string_view;
//        fmt::wmemory_buffer wbuf;
//        fmt::format_to(wbuf, fmt, args...);
//        fmt::memory_buffer buf;
//        wbuf_to_utf8buf(wbuf, buf);
//        details::log_msg log_msg(source, &name_, lvl, to_string_view(buf));
//        sink_it_(log_msg);
//    }
//    SPDLOG_CATCH_AND_HANDLE
//}

//template<typename... Args>
//inline void spdlog::logger::log(level::level_enum lvl, const wchar_t *fmt, const Args &... args)
//{
//    log(source_loc{}, lvl, fmt, args...);
//}
//
//template<typename... Args>
//inline void spdlog::logger::trace(const wchar_t *fmt, const Args &... args)
//{
//    log(level::trace, fmt, args...);
//}
//
//template<typename... Args>
//inline void spdlog::logger::debug(const wchar_t *fmt, const Args &... args)
//{
//    log(level::debug, fmt, args...);
//}
//
//template<typename... Args>
//inline void spdlog::logger::info(const wchar_t *fmt, const Args &... args)
//{
//    log(level::info, fmt, args...);
//}
//
//template<typename... Args>
//inline void spdlog::logger::warn(const wchar_t *fmt, const Args &... args)
//{
//    log(level::warn, fmt, args...);
//}
//
//template<typename... Args>
//inline void spdlog::logger::error(const wchar_t *fmt, const Args &... args)
//{
//    log(level::err, fmt, args...);
//}
//
//template<typename... Args>
//inline void spdlog::logger::critical(const wchar_t *fmt, const Args &... args)
//{
//    log(level::critical, fmt, args...);
//}
//
//#endif // SPDLOG_WCHAR_TO_UTF8_SUPPORT

//
// name and level
//
//inline const std::string &spdlog::logger::name() const
//{
//    return name_;
//}

//inline void spdlog::logger::set_level(spdlog::level::level_enum log_level)
//{
//    level_.store(log_level);
//}

//inline void spdlog::logger::set_error_handler(spdlog::log_err_handler err_handler)
//{
//    err_handler_ = std::move(err_handler);
//}

//inline spdlog::log_err_handler spdlog::logger::error_handler() const
//{
//    return err_handler_;
//}

//inline void spdlog::logger::flush()
//{
//    try
//    {
//        flush_();
//    }
//    SPDLOG_CATCH_AND_HANDLE
//}

//inline void spdlog::logger::flush_on(level::level_enum log_level)
//{
//    flush_level_.store(log_level);
//}
//
//inline spdlog::level::level_enum spdlog::logger::flush_level() const
//{
//    return static_cast<spdlog::level::level_enum>(flush_level_.load(std::memory_order_relaxed));
//}
//
//inline bool spdlog::logger::should_flush_(const details::log_msg &msg)
//{
//    auto flush_level = flush_level_.load(std::memory_order_relaxed);
//    return (msg.level >= flush_level) && (msg.level != level::off);
//}

//inline spdlog::level::level_enum spdlog::logger::default_level()
//{
//    return static_cast<spdlog::level::level_enum>(SPDLOG_ACTIVE_LEVEL);
//}

//inline spdlog::level::level_enum spdlog::logger::level() const
//{
//    return static_cast<spdlog::level::level_enum>(level_.load(std::memory_order_relaxed));
//}

//inline bool spdlog::logger::should_log(spdlog::level::level_enum msg_level) const
//{
//    return msg_level >= level_.load(std::memory_order_relaxed);
//}

//
// protected virtual called at end of each user log call (if enabled) by the
// line_logger
//
//inline void spdlog::logger::sink_it_(details::log_msg &msg)
//{
//#if defined(SPDLOG_ENABLE_MESSAGE_COUNTER)
//    incr_msg_counter_(msg);
//#endif
//    for (auto &sink : sinks_)
//    {
//        if (sink->should_log(msg.level))
//        {
//            sink->log(msg);
//        }
//    }
//
//    if (should_flush_(msg))
//    {
//        flush_();
//    }
//}

//inline void spdlog::logger::flush_()
//{
//    for (auto &sink : sinks_)
//    {
//        sink->flush();
//    }
//}

//inline void spdlog::logger::default_err_handler_(const std::string &msg)
//{
//    auto now = time(nullptr);
//    if (now - last_err_time_ < 60)
//    {
//        return;
//    }
//    last_err_time_ = now;
//    auto tm_time = details::os::localtime(now);
//    char date_buf[100];
//    std::strftime(date_buf, sizeof(date_buf), "%Y-%m-%d %H:%M:%S", &tm_time);
//    fmt::print(stderr, "[*** LOG ERROR ***] [{}] [{}] {}\n", date_buf, name(), msg);
//}

//inline void spdlog::logger::incr_msg_counter_(details::log_msg &msg)
//{
//    msg.msg_id = msg_counter_.fetch_add(1, std::memory_order_relaxed);
//}
//
//inline const std::vector<spdlog::sink_ptr> &spdlog::logger::sinks() const
//{
//    return sinks_;
//}

//inline std::vector<spdlog::sink_ptr> &spdlog::logger::sinks()
//{
//    return sinks_;
//}

//inline std::shared_ptr<spdlog::logger> spdlog::logger::clone(std::string logger_name)
//{
//    auto cloned = std::make_shared<spdlog::logger>(std::move(logger_name), sinks_.begin(), sinks_.end());
//    cloned->set_level(this->level());
//    cloned->flush_on(this->flush_level());
//    cloned->set_error_handler(this->error_handler());
//    return cloned;
//}