ComputerCraft Powah Automation

--This program does not automate Nitro Crystals at this time

local orb = peripheral.wrap("top")
local inChest = peripheral.wrap("left")
local outChest = peripheral.wrap("right")
local size = inChest.size()

while true do
    local orbSlot = orb.getItemDetail(2)
    local finishSlot = orb.getItemDetail(1)

    if (orbSlot == nil and finishSlot == nil) then
        for i=1, size do
            local contents = inChest.getItemDetail(i)
            if (contents ~= nil) then
                if (contents.name == "minecraft:diamond" or contents.name == "minecraft:emerald" or contents.name == "minecraft:blaze_rod" or contents.name == "minecraft:iron_ingot") then
                    inChest.pushItems("top", i, 1)
                    break
                end
            end
        end
    elseif (orbSlot ~= nil and orbSlot.name == "minecraft:iron_ingot") then

        local goldSlot = orb.getItemDetail(3)

        if (goldSlot == nil) then
            for i=1, size do
                local contents = inChest.getItemDetail(i)

                if (contents ~= nil) then
                    if (contents.name == "minecraft:gold_ingot") then
                        inChest.pushItems("top", i, 1)
                        break
                    end
                end
            end
        end
    elseif (finishSlot ~= nil) then
        if (finishSlot.name == "powah:steel_energized" or finishSlot.name == "powah:crystal_spirited" or finishSlot.name == "powah:crystal_niotic" or finishSlot.name == "powah:crystal_blazing") then
            orb.pushItems("right", 1)
        end
    end
end