redstone_toggle_id = 48
de_store_mon_id = nil
redstone_toggle_state = nil

function dump(o)
    if o == nil then
        return ""
    end

    if type(o) == 'table' then
        local s = '{ '
        for k,v in pairs(o) do
            if type(k) ~= 'number' then k = '"'..k..'"' end
            s = s .. '['..k..'] = ' .. dump(v) .. ','
        end
        return s .. '} '
    end

    return tostring(o)
end

function poll()
    while true do
        if redstone_toggle_id ~= nil then
            rednet.send(redstone_toggle_id, "get_state")
            print('sent poll')
        end
        if de_store_mon_id ~= nil then
            -- todo
        end
        sleep(1)
    end
end

function recv()
    while true do
        local id, data = rednet.receive()
        print("Message from " .. id .. ": " .. dump(data))
        if id == redstone_toggle_id then
            if type(data) == 'table' then
                if data[1] == 'output_state' then
                    redstone_toggle_state = data[2]
                end
            end
        elseif id == de_store_mon_id then
            -- todo
        end
    end
end

function draw_screen()
    while true do
        term.clear()
        term.setCursorPos(0, 0)
        term.setTextColor(colors.white)
        term.setBackgroundColor(colors.black)
        print('Press "R" to toggle the rainbows')
        term.write('Rainbows state: ')
        if redstone_toggle_state == true then
            term.setBackgroundColor(colors.green)
            term.write('On')
        elseif redstone_toggle_state == false then
            term.setBackgroundColor(colors.red)
            term.write('Off')
        elseif redstone_toggle_state == nil then
            term.setBackgroundColor(colors.purple)
            term.write('Unknown')
        end
        print()
        term.setBackgroundColor(colors.black)
        sleep(1)
    end
end

local sides = peripheral.getNames()
for i = 1, #sides do
    if peripheral.getType(sides[i]) == "modem" then
        modemSide = sides[i]
        break
    end
end

rednet.open(modemSide)
rednet.host("rmm", "master")

-- parallel.waitForAny(poll, recv, draw_screen)
parallel.waitForAny(poll, recv)
rednet.close(modemSide)