chicken_sandwich_crafter_turtle

ACCEPTABLE_FUEL = {"minecraft:coal", "minecraft:charcoal", "minecraft:oak_planks"}

FUEL_COUNT = 0

CHICKEN_COUNT = 0
CARROT_COUNT = 0
BREAD_COUNT = 0
CABBAGE_COUNT = 0

CHICKEN_SLOT = -1
CARROT_SLOT = -1
BREAD_SLOT = -1
CABBAGE_SLOT = -1

TIME_TO_SLEEP = 5

function findSlotWithItem(item_name)
    for i=2,16 do
        turtle.select(i)
        local data = turtle.getItemDetail()
        if data ~= nil then
            if data["name"] == item_name then
                return i
            end
        end
    end

    return -1
end

function arrHasValue(arr, val)
    for index, value in ipairs(arr) do
        if value == val then
            return true
        end
    end

    return false
end

function hasFuel()
    return FUEL_COUNT > 0
end

function shouldRefuel()
    return turtle.getFuelLevel() <= 0
end

function refuel()
    if shouldRefuel() == true then
        if hasFuel() ~= true then
            return false
        end

        turtle.select(1)
        turtle.refuel(1)
        FUEL_COUNT = FUEL_COUNT - 1
    end

    return true
end

function turnAround()
    turtle.turnLeft()
    turtle.turnLeft()
end

function main()
    while true do
        -- Prepare
        print("Off we go!")

        turtle.select(1)
        local slotData = turtle.getItemDetail()
        if slotData ~= nil then
            if arrHasValue(ACCEPTABLE_FUEL, slotData["name"]) == true then
                FUEL_COUNT = slotData["count"]
            end
        end

        if refuel() ~= true then
            print("No Fuel!")
            return
        end

        CHICKEN_COUNT = 0
        CARROT_COUNT = 0
        BREAD_COUNT = 0
        CABBAGE_COUNT = 0

        CHICKEN_SLOT = -1
        CARROT_SLOT = -1
        BREAD_SLOT = -1
        CABBAGE_SLOT = -1

        -- Collect Bread
        turtle.turnLeft()

        if refuel() ~= true then
            print("No Fuel!")
            return
        end
        turtle.forward()

        turtle.turnLeft()

        local bread_collected = turtle.suck()
        if bread_collected then
            BREAD_SLOT = findSlotWithItem("minecraft:bread")
            turtle.select(BREAD_SLOT)
            local bread_item = turtle.getItemDetail()
            BREAD_COUNT = bread_item["count"]
        end

        -- Collect Carrots
        turtle.turnRight()

        for i=1,2 do
            if refuel() ~= true then
                print("No Fuel!")
                return
            end
            turtle.forward()
        end

        turtle.turnRight()

        for i=1,6 do
            if refuel() ~= true then
                print("No Fuel!")
                return
            end
            turtle.forward()
        end

        turtle.turnLeft()

        local carrots_collected = turtle.suck()
        if carrots_collected then
            CARROT_SLOT = findSlotWithItem("minecraft:carrot")
            turtle.select(CARROT_SLOT)
            local carrot_item = turtle.getItemDetail()
            CARROT_COUNT = carrot_item["count"]
        end

        -- Collect Chicken
        turtle.turnRight()

        if refuel() ~= true then
            print("No Fuel!")
            return
        end
        turtle.forward()

        turtle.turnRight()

        for i=1,3 do
            if refuel() ~= true then
                print("No Fuel!")
                return
            end
            turtle.forward()
        end

        turtle.turnLeft()

        while true do
            local item_removed = turtle.suck()
            if item_removed then
                CHICKEN_SLOT = findSlotWithItem("minecraft:cooked_chicken")
                if CHICKEN_SLOT == -1 then
                    local feather_slot = findSlotWithItem("minecraft:feather")
                    turtle.select(feather_slot)
                    turtle.dropDown()
                else
                    turtle.select(CHICKEN_SLOT)
                    local chicken_item = turtle.getItemDetail()
                    CHICKEN_COUNT = chicken_item["count"]
                    break
                end
            else
                break
            end
        end

        -- Collect Cabbages
        turtle.turnRight()

        for i=1,3 do
            if refuel() ~= true then
                print("No Fuel!")
                return
            end
            turtle.forward()
        end

        turtle.turnRight()

        for i=1,2 do
            if refuel() ~= true then
                print("No Fuel!")
                return
            end
            turtle.forward()
        end

        turtle.turnLeft()

        local cabbages_collected = turtle.suck()
        if cabbages_collected then
            CABBAGE_SLOT = findSlotWithItem("farmersdelight:cabbage")
            turtle.select(CABBAGE_SLOT)
            local cabbage_item = turtle.getItemDetail()
            CABBAGE_COUNT = cabbage_item["count"]
        end

        -- Move to crafting position
        turnAround()

        for i=1,3 do
            if refuel() ~= true then
                print("No Fuel!")
                return
            end
            turtle.forward()
        end

        turtle.turnLeft()

        if refuel() ~= true then
            print("No Fuel!")
            return
        end
        turtle.forward()

        -- Remove Coal for Crafting
        turtle.select(1)
        turtle.dropDown()

        -- Craft
        local amount_to_craft = math.min(CHICKEN_COUNT, CARROT_COUNT, BREAD_COUNT, CABBAGE_COUNT)

        if amount_to_craft > 0 then
            turtle.select(BREAD_SLOT)
            turtle.transferTo(1)
            turtle.select(CHICKEN_SLOT)
            turtle.transferTo(2)
            turtle.select(CABBAGE_SLOT)
            turtle.transferTo(5)
            turtle.select(CARROT_SLOT)
            turtle.transferTo(6)

            turtle.select(16)
            turtle.craft(amount_to_craft)
        end

        -- Recollect Coal
        turtle.suckDown(64)

        -- Dump Food in Chest
        if refuel() ~= true then
            print("No Fuel!")
            return
        end
        turtle.forward()

        for i=1,16 do
            turtle.select(i)
            local item = turtle.getItemDetail()
            if item ~= nil then
            if arrHasValue(ACCEPTABLE_FUEL, item["name"]) ~= true then
                    turtle.dropDown()
            end
            end
        end
        turtle.select(1)

        -- Return
        for i=1,3 do
            if refuel() ~= true then
                print("No Fuel!")
                return
            end
            turtle.forward()
        end

        turnAround()

        print("Waiting...")
        os.sleep(TIME_TO_SLEEP)
    end
end

main()