ci = peripheral.find("colonyIntegrator")  or error("No CoIn attached", 0)
bridge = peripheral.find("meBridge")  or error("No meBridge attached", 0)

-- ME system extraction
function meExtract (eItem, eCount, eTable)
    sItem = tostring(eItem)
    --print(sItem)

    function exporter (sItem, eCount)
        result, err = bridge.exportItem({name=sItem, count=eCount}, "up")
        if err then
            print("export failure")
        else
            print(result)
            print("export success")
        end
    end

    -- check for item in storage
    hasItem, err = bridge.getItem({name = eTable.name})
    if err or (hasItem.name == nil) then
        --doesnt have it
        if hasItem.isCraftable then
            craftSuccess, err = bridge.craftItem({name=sItem, count=eCount})
            if err then
                print("ME Craft failure")
                print("Unable to provide")
            else
                print("ME system Crafting requested...")
            end
        else
            print("ME Crafting unable")
            print("Unable to provide")
        end
        --print("debug:", "count: ", hasItem.count)
        --print("debug:", "debug table failure")
        --print("debug:", "error: ", err)
    else
        --has it
        if hasItem.amount >= eCount then
            -- attempt export
            exporter(sItem, eCount)
        else
            print("ME system cannot provide full amount")
            print("exporting: ", hasItem.amount, " of ", eCount)
            exporter(sItem, hasItem.amount)
        end
    end

end

-- retreive active work orders
woOrder = ci.getWorkOrders()

-- Check for availability of resources in work orders
for i=1, #woOrder,1 do
    print("Checking work order number ", i, " of ", #woOrder)
    -- retrieve table for resources for work order
    woID = tonumber(woOrder[i].id)
    woOrResources = ci.getWorkOrderResources(woID)

    -- check through resources
    if woOrResources ~= nil then
        for r=1, #woOrResources,1 do
            availability = woOrResources[r].available
            print("----")
            print(woOrResources[r].displayName, ", available: ", availability)
            if availability == 0 then
                print("none found, attempting extract..")
                meExtract(woOrResources[r].item.name, woOrResources[r].needed, woOrResources[r].item)
            else
                print("skipping")
            end
        end
    end
    print(#woOrder, " complete")
end