core&gate

local core = peripheral.wrap("draconic_rf_storage_6")
local gate = peripheral.wrap("flux_gate_39")
local monitor = peripheral.wrap("back")

local mon, monX, monY
monX, monY = monitor.getSize()
mon = {}
mon.monitor, mon.X, mon.Y = monitor, monX, monY

function clear(mon)
    term.clear()
    term.setCursorPos(1,1)
    mon.monitor.setBackgroundColor(colors.black)
    mon.monitor.clear()
    mon.monitor.setCursorPos(1,1)
end

function draw_text(mon, x, y, text, text_color, bg_color)
    mon.monitor.setBackgroundColor(bg_color)
    mon.monitor.setTextColor(text_color)
    mon.monitor.setCursorPos(x,y)
    mon.monitor.write(text)
end

function draw_text_right(mon, offset, y, text, text_color, bg_color)
    mon.monitor.setBackgroundColor(bg_color)
    mon.monitor.setTextColor(text_color)
    mon.monitor.setCursorPos(mon.X-string.len(tostring(text))-offset,y)
    mon.monitor.write(text)
end

function format_int(number)
    if number == nil then number = 0 end
    local i, j, minus, int, fraction = tostring(number):find('([-]?)(%d+)([.]?%d*)')
    int = int:reverse():gsub("(%d%d%d)", "%1,")
    return minus .. int:reverse():gsub("^,", "") .. fraction
end

function buttons()
    while true do
        event, side, xPos, yPos = os.pullEvent("monitor_touch")
        if yPos == 18 then
            local cFlow = gate.getSignalLowFlow()
            if xPos >= 2 and xPos <= 4 then cFlow = cFlow-10000
            elseif xPos >= 6 and xPos <= 8 then cFlow = cFlow-100000
            elseif xPos >= 10 and xPos <= 12 then cFlow = cFlow-1000000
            elseif xPos >= 17 and xPos <= 19 then cFlow = cFlow+1000000
            elseif xPos >= 21 and xPos <= 23 then cFlow = cFlow+100000
            elseif xPos >= 25 and xPos <= 27 then cFlow = cFlow+10000
            end
        gate.setSignalLowFlow(cFlow)
        end
    end
end

function drawButtons(y)
    draw_text(mon, 2, y, "  <", colors.white, colors.gray)
    draw_text(mon, 6, y, " <<", colors.white, colors.gray)
    draw_text(mon, 10, y, "<<<", colors.white, colors.gray)
    draw_text(mon, 17, y, ">>>", colors.white, colors.gray)
    draw_text(mon, 21, y, ">> ", colors.white, colors.gray)
    draw_text(mon, 25, y, ">  ", colors.white, colors.gray)
end

local eMax
local eNow
local ePercent
local eLast = 0
local eFlow

function update()
    while true do
        clear(mon)

    -- energy core infos
        eMax = core.getMaxEnergyStored()
        eNow = core.getEnergyStored()
        ePercent = (math.floor(eNow/eMax*10000))/100
        eFlow = math.floor((eNow-eLast)/2)
        eLast = eNow

    -- terminal display
        print(" Capacity:  " .. eMax .. " rf")
        print("   Energy:  " .. eNow .. " rf ... " .. ePercent .. " %")
        print()
        if (eFlow > 0) then
            print("Avg. flow: +" .. eFlow .. " rf/t")
        else
            print("Avg. flow: " .. eFlow .. " rf/t")
        end
        print()
        print("Flux gate flow: " .. gate.getSignalLowFlow())

    -- monitor output
        draw_text(mon, 2, 2, "REACTOR SUPPLY ENERGY CORE", colors.red, colors.black)
        draw_text(mon, 2, 4, "Energy core capacity:", colors.purple, colors.black)
        draw_text_right(mon, 1, 4, "T7", colors.purple, colors.black)
        draw_text_right(mon, 1, 5, format_int(eMax) .. " rf", colors.white, colors.black)
        draw_text(mon, 2, 6, "Current capacity:", colors.blue, colors.black)
        draw_text_right(mon, 1, 6, ePercent .. " %", colors.white, colors.black)
        draw_text_right(mon, 1, 7, format_int(eNow) .. " rf", colors.white, colors.black)
        draw_text(mon, 2, 9, "Flow:", colors.green, colors.black)
        if (eFlow > 0) then
            draw_text_right(mon, 1, 9, "+" .. format_int(eFlow) .. " rf/t", colors.white, colors.black)
        else
            draw_text_right(mon, 1, 9, format_int(eFlow) .. " rf/t", colors.white, colors.black)
        end
        draw_text(mon, 2, 14, "SUPPLY FOR UU-BRIDGE v2", colors.blue, colors.black)
        draw_text(mon, 2, 16, "Flux gate flow: ", colors.yellow, colors.black)
        draw_text_right(mon, 1, 17, format_int(gate.getSignalLowFlow()) .. " rf/t", colors.white, colors.black)
        drawButtons(18)

        sleep(0.1)
    end
end

parallel.waitForAny(buttons, update)