display

local p = {}
m = peripheral.wrap("back")
m.setTextScale(1)
rednet.open("right")
maxe = 4
recentre = 4

function getData()
    event, senderId, message, _ = os.pullEvent()
    if senderId == 11 and event == "rednet_message" then
        p = textutils.unserialize(message)
    end
end

function tabLn(input)
    local int=0
    for k,v in pairs(input) do
        int=int+1
    end
    return int
end

function comble(fin)
    for i=1,fin do
        m.write(" ")
    end
    m.setBackgroundColor(colors.black)
    m.write(" ")
end

function graphPrincipal()
    m.setTextScale(1)
    m.setBackgroundColor(colors.black)
    m.clear()
    x, _ = m.getSize()
    j = math.ceil(x/(maxe+2))
    m.setCursorPos(j+recentre,1)
    s=0
    t=2
    for k,v in pairs(p) do
        if k ~= "No label" and k ~= "all" then
            if s == maxe then
                t = t+3
                m.setCursorPos(j+recentre,t)
                s = 0
            end
            s = s+1

            m.setBackgroundColor(colors.white)
            if v==-1 then
                m.setTextColor(colors.red)
            else
                m.setTextColor(colors.lightBlue)
            end
            m.write(" "..k.." ")
            comble(j-#k-4)
        end
    end

    s=0
    t=2
    total = 0
    m.setCursorPos(j+recentre,3)
    for k,v in pairs(p) do
        if k ~= "No label" and k ~= "all" then
            if s == maxe then
                t = t+3
                m.setCursorPos(j+4,t+1)
                s = 0
            end
            s = s+1
            if v==-1 then
                m.setBackgroundColor(colors.gray)
                m.setTextColor(colors.red)
                m.write(" DECO ")
                comble(j-8)
            else
                if v>0 then
                    m.setBackgroundColor(colors.lime)
                    m.setTextColor(colors.black)
                else
                    m.setBackgroundColor(colors.gray)
                    m.setTextColor(colors.lightGray)
                end
                vt=tostring(v/20)
                m.write(" "..vt.." ")
                comble(j-#vt-4)
            end
        else
            if k == "all" then
                total = v/20
            end
        end
    end

    --m.setTextScale(4)
    --x, _= m.getSize()


    if total>0 then
        m.setBackgroundColor(colors.lime)
        m.setTextColor(colors.black)
    else
        m.setBackgroundColor(colors.gray)
        m.setTextColor(colors.lightGray)
    end
    t2 = tostring(total)
    m.setCursorPos((x-#t2)/2-1,t+5)
    for i=1,#t2+4 do m.write(" ") end
    m.setCursorPos((x-#t2)/2-1,t+6)
    m.write("  "..t2.."  ")
    m.setCursorPos((x-#t2)/2-1,t+7)
    for i=1,#t2+4 do m.write(" ") end
end


while true do
    getData()
    graphPrincipal()
end