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os.loadAPI("ocs/apis/sensor")
sen = sensor.wrap("top")

term.setCursorPos(1,1)
term.clear()
print("Neustart: System - Einrichtung")
print(" ")
print("Welche Seite wird erstellt: ")
print("1-9 sind möglich")
term.setTextColor(colors.red)
Page = tonumber(read())
term.setTextColor(colors.lightBlue)

--------------------------------------------------
function RequestItems()
    -- CONSTANTS
    local PIPE_SIDE = "right"

    -- IMPLEMENTATION
    function convertNBT(nbt)
        local conv = {}
        if (nbt == nil) then
            return nil
        elseif (nbt["type"] == "NBTTagCompound") or (nbt["type"] == "NBTTagList") then
            for key, value in pairs(nbt["value"]) do
                conv[key] = convertNBT(value)
            end
        else
            conv = nbt["value"]
        end
        return conv
    end

    function getItems(pipe)
        pipe.getAvailableItems()
        local event, result = os.pullEvent("available_items_return")
        return result
    end

    function inList(item)
        local id = item.id
        local dmg = item.dmg
        local idKey = tostring(id)
        local exists, requestAmount = false, 0

        if REQUEST_IDS[id] then
            if type(REQUEST_IDS[id]) == "table" then
                local variantKey = idKey .. ":" .. tostring(dmg)
                if REQUEST_IDS[id][variantKey] then
                    exists = true
                    requestAmount = REQUEST_IDS[id][variantKey]
                end
            else
                exists = true
                requestAmount = REQUEST_IDS[id]
            end
        end

        return exists, requestAmount
    end

    -- MAIN
    local pipe = peripheral.wrap(PIPE_SIDE)
    for i, result in pairs(getItems(pipe)) do
        local iid, amount = unpack(result)
        local item = {
            id = pipe.getItemID(iid),
            dmg = pipe.getItemDamage(iid),
            nbt = convertNBT(pipe.getNBTTagCompound(iid))
        }
        local exists, requestAmount = inList(item)
        if exists then
            pipe.makeRequest(iid, requestAmount)
            sleep(0.5)
        end
    end
end
--------------------------------------------------
function gespeichert()
    term.setTextColor(colors.lime)
    print("gespeichert")
    term.setTextColor(colors.lightBlue)
end

if fs.exists("ItemsInPage1") == false then
    local file = fs.open("ItemsInPage1", "w")
    file.close()
    gespeichert()
else
    print("Es wurden bereits Items für Seite 1 festgelegt!")
    print("Bestätige mit 'ja' um fortzufahren")
    Eingabe = io.read()
    if Eingabe == "Ja" or Eingabe == "ja" then
        local file = fs.open("ItemsInPage1", "w")
        file.close()
        gespeichert()
    else
        shell.run("1")
    end
end


s = sen.getTargets()
function getS()
    for v, k in pairs(s) do
        if k.Name == "ME Wireless Access Point" then
            target = v
        end
    end
    return target
end

f = getS()
s1 = sen.getTargetDetails(target)
MaxItems = 0

REQUEST_IDS = {
    [20] = {     ["20:0"] = 32       },
    }
RequestItems()