Processing

local shutterState = false
local entranceState = false
local processingState = false
local alarmState = false
local x,y = term.getSize()

local statusLights = {
    shutter = {
        light = {"[--------------]"},
        color = shutterState and colors.black or colors.white,
        BGcolor = shutterState and colors.red or colors.lime,
        action = function(self)
                if shutterState then
                    shutterState = false
                    if colors.test(rs.getBundledOutput("bottom"), colors.brown) then
                        rs.setBundledOutput("bottom", rs.getBundledOutput("bottom") - colors.brown)
                        rs.setBundledOutput("bottom", rs.getBundledOutput("bottom") + colors.green)
                    else
                        rs.setBundledOutput("bottom", rs.getBundledOutput("bottom") + colors.green)
                    end
                else
                    shutterState = true
                    if colors.test(rs.getBundledOutput("bottom"), colors.green) then
                        rs.setBundledOutput("bottom", rs.getBundledOutput("bottom") - colors.green)
                        rs.setBundledOutput("bottom", rs.getBundledOutput("bottom") + colors.brown)
                    else
                        rs.setBundledOutput("bottom", rs.getBundledOutput("bottom") + colors.brown)
                    end
                end
                self.BGcolor = shutterState and colors.red or colors.lime
                self.Color = shutterState and colors.black or colors.white
            end,
        x1 = 5,
        x2 = 20,
        y1 = 2,
        y2 = 2},
    entrance = {
        light = {"\\====/"},
        color = entranceState and colors.black or colors.white,
        BGcolor = entranceState and colors.red or colors.lime,
        action = function(self)
                if entranceState then
                    entranceState = false
                    rs.setBundledOutput("bottom", rs.getBundledOutput("bottom") - colors.purple)
                else
                    entranceState = true
                    rs.setBundledOutput("bottom", rs.getBundledOutput("bottom") + colors.purple)
                end
                self.BGcolor = entranceState and colors.red or colors.lime
                self.Color = entranceState and colors.black or colors.white
            end,
        x1 = 10,
        x2 = 15,
        y1 = 3,
        y2 = 3},
    processing = {
        light = {"|====|"},
        color = processingState and colors.black or colors.white,
        BGcolor = processingState and colors.red or colors.lime,
        action = function(self)
                if processingState then
                    processingState = false
                    rs.setBundledOutput("bottom", rs.getBundledOutput("bottom") - colors.cyan)
                else
                    processingState = true
                    rs.setBundledOutput("bottom", rs.getBundledOutput("bottom") + colors.cyan)
                end
                self.BGcolor = processingState and colors.red or colors.lime
                self.Color = processingState and colors.black or colors.white
            end,
        x1 = 10,
        x2 = 15,
        y1 = 18,
        y2 = 18},
    alarm = {
        light = {"+--------+",
            "|        |",
            "| ALARM! |",
            "|        |",
            "+--------+"},
        color = alarmState and colors.black or colors.white,
        BGcolor = alarmState and colors.red or colors.lime,
        action = function(self)
                if alarmState then
                    alarmState = false
                    rs.setBundledOutput("bottom", rs.getBundledInput("bottom") - colors.red)
                else
                    alarmState = true
                    processingState = false
                    entranceState = false
                    shutterState = false
                    rs.setBundledOutput("bottom", colors.red)
                end
                self.BGcolor = alarmState and colors.red or colors.lime
                self.Color = alarmState and colors.black or colors.white
            end,
        x1 = 35,
        x2 = 43,
        y1 = 14,
        y2 = 18}
    }

local function drawBG()
    term.clear()
    for i = 1, 19 do
        paintutils.drawLine(1, i, 24, i, colors.white)
        paintutils.drawLine(28, i, 51, i, colors.white)
        term.setBackgroundColor(colors.red)
        term.setCursorPos(25, i)
        write("[")
        term.setBackgroundColor(colors.blue)
        term.setCursorPos(26, i)
        write("X")
        term.setBackgroundColor(colors.red)
        term.setCursorPos(27, i)
        write("]")
    end
    for i = 2, 18 do
        paintutils.drawLine(2, i, 23, i, colors.lightGray)
        term.setBackgroundColor(colors.gray)
        term.setCursorPos(23, i)
        write("|")
        term.setCursorPos(2, i)
        write(i == 2 and ".--------------------." or
            i == 18 and "'--------------------'" or
            "|")
    end
end

local function drawGUI()
    for _,v in pairs(statusLights) do
        for i = 1, #v.light do
            term.setBackgroundColor(v.BGcolor)
            term.setTextColor(v.color)
            term.setCursorPos(v.x1, v.y1 + (i - 1))
            write(v.light[i])
        end
    end
    term.setBackgroundColor(colors.white)
    term.setTextColor(colors.black)
    term.setCursorPos(29, 3)
    write("Shutter: ")
    term.setTextColor(shutterState and colors.red or colors.lime)
    write(shutterState and "OPEN  " or "CLOSED")
    term.setTextColor(colors.black)
    term.setCursorPos(29, 4)
    write("Entrance: ")
    term.setTextColor(entranceState and colors.red or colors.lime)
    write(entranceState and "OPEN  " or "CLOSED")
    term.setTextColor(colors.black)
    term.setCursorPos(29, 5)
    write("Processing: ")
    term.setTextColor(processingState and colors.red or colors.lime)
    write(processingState and "OPEN  " or "CLOSED")
end

drawBG()
drawGUI()
while true do
    local events = {os.pullEvent()}
    if events[1] == "mouse_click" and events[2] == 1 then
        for _,v in pairs(statusLights) do
            if events[3] >= v.x1 and events[3] <= v.x2 and events[4] >= v.y1 and events[4] <= v.y2 then
                --v.BGcolor = v.BGcolor == colors.lime and colors.red or colors.lime
                v:action()
                drawGUI()
            end
        end
    end
end
term.setCursorPos(1, y)