Input Thread

require('love.system')

do
    local userOutChannel = love.thread.getChannel( "command-line-user-input" )
    local globalKillChannel = love.thread.getChannel( "global-kill-thread" )
    local printOutChannel = love.thread.getChannel( "printed-output" )

    local running = true

    local function printDebug(debugType, message)
        --if(wait ~= false)then
        --    printOutChannel:supply({type = debugType, message = message})
        --else
            printOutChannel:supply({message})
        --end
    end

    local function sendCommand(commandInput)
        userOutChannel:push({commandInput})
    end

    local function killMyself()
        running = false
        if(wholeScreen == true)then
            printDebug("info", "disabliing Fancy CLI features...")
            local exit = io.popen'tput rmcup \necho _$?':read'*a':match'.*%D(%d+)'+0
            if(exit ~= 0)then
                printDebug("warning", "Error while disabling Fancy CLI Features: 'tput rmcup' returned with non-zero exit status.")
            else
                wholeScreen = false
                printDebug("info", "Fancy CLI features disabled.")
            end
        end
    end

    local function checkKillChannel()
        local value = globalKillChannel:peek()
        if(value == "command-line-user-input")then
            globalKillChannel:pop()
            killMyself()
        elseif(value == "*")then
            killMyself()
        end
    end

    local wholeScreen = false
    if(love.system.getOS() == "Linux")then
        printDebug("info", "enabling Fancy CLI features...")
        local exit = io.popen'tput smcup \necho _$?':read'*a':match'.*%D(%d+)'+0
        if(exit ~= 0)then
            printDebug("warning", "Error while enabling Fancy CLI Features: 'tput smcup' returned with non-zero exit status.")
        else
            wholeScreen = true
            printDebug("info", "Fancy CLI features enabled.")
        end
    else
        printDebug("warning", "not enabling Fancy CLI features, since it is only for Linux systems.")
    end


    while(running)do
        checkKillChannel()

        --local input = io.read()
        local input = io.read()
        checkKillChannel()

        sendCommand(input)
    end

end