/***
    Copyright (C) 2023 J Reece Wilson (a/k/a "Reece"). All rights reserved.

    File: AuProcessEnvironment.cpp
    Date: 2023-7-10
    Author: Reece
***/
#include <Source/RuntimeInternal.hpp>
#include "AuProcessEnvironment.hpp"

namespace Aurora::Process
{
    AUKN_SYM bool EnvironmentRemoveMany(const AuList<AuString> &list)
    {
        bool bFailed {};

        for (const auto &key : list)
        {
            if (!EnvironmentRemoveOne(key))
            {
                bFailed |= true;
            }
        }

        return !bFailed;
    }


    AUKN_SYM bool EnvironmentSetMany(const AuList<AuPair<AuString, AuString>> &list)
    {
        for (const auto &[key, value] : list)
        {
            if (!EnvironmentSetOne(key, value))
            {
                return false;
            }
        }

        return true;
    }

    AuOptional<AuPair<AuString, AuString>> EnvironmentSplitString(const AuString &str)
    {
        auto uIdx = str.find('=');

        if (uIdx == str.npos)
        {
            return {};
        }

        if (uIdx == 0)
        {
            // Ignore Microsoft DOS shell environment hints
            // Expect to see:
            // <empty>=::=::\
            // (opt) <empty>=<drive letter>:=<user home>
            // (opt) <empty>=ExitCode={:08x}
            return {};
        }

        return AuMakePair(str.substr(0, uIdx), str.substr(uIdx + 1));
    }
}