// SPDX-License-Identifier: Apache-2.0

// SPDX-FileCopyrightText: Copyright The WasmEdge Authors

//===-- wasmedge/common/spdlog.h - Logging system -------------------------===//

//

// Part of the WasmEdge Project.

//

//===----------------------------------------------------------------------===//

///

/// \file

/// This file contains the logging system linkage.

///

//===----------------------------------------------------------------------===//

#pragma once

#include "common/filesystem.h"

#include "common/fmt.h"

#include "common/int128.h"

#define SPDLOG_NO_EXCEPTIONS 1

#include "spdlog/spdlog.h"

namespace WasmEdge {

namespace Log {

void setLogOff();

void setTraceLoggingLevel();

void setDebugLoggingLevel();

void setInfoLoggingLevel();

void setWarnLoggingLevel();

void setErrorLoggingLevel();

void setCriticalLoggingLevel();

/// Set the logging level from a string.

/// Supported values: off, trace, debug, info, warning, error, fatal.

/// Returns true if level was set successfully, false if invalid.

bool setLoggingLevelFromString(std::string_view Level);

void setLoggingCallback(

    std::function<void(const spdlog::details::log_msg &)> Callback);

} // namespace Log

} // namespace WasmEdge

template <>

struct fmt::formatter<std::filesystem::path>

    : fmt::formatter<std::string_view> {

  template <typename FmtCtx>

  auto format(const std::filesystem::path &Path, FmtCtx &Ctx) WASMEDGE_FMT_CONST

      -> decltype(Ctx.out()) {

    // mimic std::quoted

    constexpr const char Delimiter = '"';

    constexpr const char Escape = '\\';

    auto Quoted = fmt::memory_buffer();

    auto Iter = std::back_inserter(Quoted);

    *Iter++ = Delimiter;

    for (const auto C : Path.u8string()) {

      if (C == Delimiter || C == Escape) {

        *Iter++ = Escape;

      }

      *Iter++ = C;

    }

    *Iter++ = Delimiter;

    return fmt::formatter<std::string_view>::format(

        std::string_view(Quoted.data(), Quoted.size()), Ctx);

  }

};