/***
    Copyright (C) 2021 J Reece Wilson (a/k/a "Reece"). All rights reserved.

    File: Process.cpp
    Date: 2021-8-20
    Author: Reece
***/
#include <Source/RuntimeInternal.hpp>
#include "Process.hpp"
#if defined(AURORA_IS_POSIX_DERIVED)
#include <stdlib.h>
#endif

namespace Aurora::Process
{
    static constexpr const char *GetPlatformString(Build::EPlatform platform)
    {
        switch (platform)
        {
        case Build::EPlatform::ePlatformWin32:
            return ".Win32";
        case Build::EPlatform::ePlatformLinux:
            return ".Linux";
        case Build::EPlatform::ePlatformAndroid:
            return ".Android";
        case Build::EPlatform::ePlatformApple:
            return ".Mac";
        case Build::EPlatform::ePlatformIos:
            return ".IOS";
        default:
            return nullptr;
        }
    }

    static constexpr const char *GetPlatformExt(Build::EPlatform platform)
    {
        switch (platform)
        {
        case Build::EPlatform::ePlatformWin32:
            return ".dll";
        case Build::EPlatform::ePlatformLinux:
        case Build::EPlatform::ePlatformAndroid:
            return ".so";
        case Build::EPlatform::ePlatformApple:
        case Build::EPlatform::ePlatformIos:
            return ".dynlib";
        default:
            return nullptr;
        }
    }
    
    static constexpr const char *GetArchString(Build::EArchitecture architecture)
    {
        switch (architecture)
        {
        case Build::EArchitecture::eX86_32:
            return ".x86_32";
        case Build::EArchitecture::eX86_64:
            return ".x86_64";
        case Build::EArchitecture::eAArch64:
            return ".Arm";
        default:
            return nullptr;
        }
    }

    static constexpr AuString ConstructAuDllSuffix()
    {
        auto platform = GetPlatformString(Build::kCurrentPlatform);
        auto architecture = GetArchString(Build::kCurrentArchitecture);
        auto ext = GetPlatformExt(Build::kCurrentPlatform);

        AuString ret;

    #if defined(DEBUG)
        ret += ".Debug";
    #elif defined(STAGING)
        ret += ".Stage";
    #elif defined(SHIP)
        ret += ".Ship";
    #endif
        
        if (platform)
        {
            ret += platform;
        }
        
        if (architecture)
        {
            ret += architecture;
        }

        if (ext)
        {
            ret += ext;
        }

        return ret;
    }

    AUKN_SYM bool LoadModule(const ModuleLoadRequest &request)
    {
        return false;
    }

    AUKN_SYM AuMach GetProcAddress(AuString mod, AuString symbol)
    {
        return {};
    }

    AUKN_SYM void Exit(AuUInt32 exitcode)
    {
    #if defined(AURORA_IS_MODERNNT_DERIVED)
        ExitProcess(exitcode);
    #elif defined(AURORA_IS_POSIX_DERIVED)
        exit(exitcode);
    #else
        // ???
        *(AuUInt32 *)0 = exitcode;
        *(AuUInt32 *)0xFFFF = exitcode;
        *(AuUInt32 *)0xFFFFFFFF = exitcode;
    #endif
    }
}