/*
 * Copyright 2015 - 2022 gary@drinkingtea.net
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
 */

#pragma once


// Logging

#define oxLogError(...) ox::trace::logError(__FILE__, __LINE__, __VA_ARGS__)

#define oxTrace(...) ox::trace::TraceStream(__FILE__, __LINE__, __VA_ARGS__)
#define oxOut(...) ox::trace::OutStream(__FILE__, __LINE__, "stdout", __VA_ARGS__)
#define oxErr(...) ox::trace::OutStream(__FILE__, __LINE__, "stderr", __VA_ARGS__)

#ifdef OX_USE_STDLIB
// Non-GCC compilers don't like ##__VA_ARGS__, so use initializer list, which relies on std lib
#define oxTracef(ch, fmt, ...) ox::trace::TraceStream(__FILE__, __LINE__, ch, ox::detail::fmtSegments<ox::detail::argCount(fmt)+1>(fmt), {__VA_ARGS__})
#define oxOutf(fmt, ...) ox::trace::OutStream(__FILE__, __LINE__, "stdout", ox::detail::fmtSegments<ox::detail::argCount(fmt)+1>(fmt), {__VA_ARGS__})
#define oxErrf(fmt, ...) ox::trace::OutStream(__FILE__, __LINE__, "stderr", ox::detail::fmtSegments<ox::detail::argCount(fmt)+1>(fmt), {__VA_ARGS__})
#else
#define oxTracef(ch, fmt, ...) ox::trace::TraceStream(__FILE__, __LINE__, ch, ox::detail::fmtSegments<ox::detail::argCount(fmt)+1>(fmt), ##__VA_ARGS__)
#define oxOutf(fmt, ...) ox::trace::OutStream(__FILE__, __LINE__, "stdout", ox::detail::fmtSegments<ox::detail::argCount(fmt)+1>(fmt), ##__VA_ARGS__)
#define oxErrf(fmt, ...) ox::trace::OutStream(__FILE__, __LINE__, "stderr", ox::detail::fmtSegments<ox::detail::argCount(fmt)+1>(fmt), ##__VA_ARGS__)
#endif

#define oxInfo(...) oxTrace("info", __VA_ARGS__)
#define oxInfof(...) oxTracef("info", __VA_ARGS__)
#define oxError(...) oxTrace("error", __VA_ARGS__)
#define oxErrorf(...) oxTracef("error", __VA_ARGS__)

#ifndef OX_NODEBUG
#define oxDebug(...) oxTrace("debug", __VA_ARGS__)
#define oxDebugf(...) oxTracef("debug", __VA_ARGS__)
#else
#define oxDebug(...) static_assert(false, "Debug prints were checked in.");
#define oxDebugf(...) static_assert(false, "Debug prints were checked in.");
#endif


// Error handling

#if __cplusplus >= 202002L
#define oxReturnError(x) if (const auto _ox_error = ox::detail::toError(x)) [[unlikely]] return _ox_error
#define oxThrowError(x) if (const auto _ox_error = ox::detail::toError(x)) [[unlikely]] throw ox::Exception(_ox_error)
#else
#define oxReturnError(err) if (const auto _ox_error = ox::detail::toError(err)) return _ox_error
#define oxThrowError(err) if (const auto _ox_error = ox::detail::toError(err)) throw ox::Exception(_ox_error)
#endif
#define oxConcatImpl(a, b) a##b
#define oxConcat(a, b) oxConcatImpl(a, b)
// oxRequire Mutable
#define oxRequireM(out, x) auto [out, oxConcat(oxRequire_err_, __LINE__)] = x; oxReturnError(oxConcat(oxRequire_err_, __LINE__))
#define oxRequire(out, x) const oxRequireM(out, x)
// oxRequire Mutable Throw
#define oxRequireMT(out, x) auto [out, oxConcat(oxRequire_err_, __LINE__)] = x; oxThrowError(oxConcat(oxRequire_err_, __LINE__))
// oxRequire Throw
#define oxRequireT(out, x) const oxRequireMT(out, x)


// Asserts

#define oxPanic(errCode, msg) ox::panic(__FILE__, __LINE__, msg, errCode)
#ifndef NDEBUG
#define oxAssert(pass, msg) ox::assertFunc(__FILE__, __LINE__, pass, #pass, msg)
#else
namespace ox {
struct [[nodiscard]] Error;
}
constexpr void oxAssert(bool, const char*) noexcept {}
constexpr void oxAssert(const ox::Error&, const char*) noexcept {}
#endif


// Alloca

#if defined(_MSC_VER)
#define ox_alloca(size) _alloca(size)
#elif OX_USE_STDLIB
#define ox_alloca(size) alloca(size)
#else
#define ox_alloca(size) __builtin_alloca(size)
#endif

/**
 * @return an ox::MallocaPtr of the given type pointing to the requested size memory allocation
 */
#if defined(OX_USE_STDLIB)
#define ox_malloca(size, Type, ...) ox::MallocaPtr<Type>(size > ox::MallocaStackLimit, new (size > ox::MallocaStackLimit ? new uint8_t[size] : ox_alloca(size)) Type(__VA_ARGS__))
#else
#define ox_malloca(size, Type, ...) ox::MallocaPtr<Type>(false, new (ox_alloca(size)) Type(__VA_ARGS__))
#endif

