Farm turtle

-- Configuration
local FIELD_SIZE = 9
local STORAGE_CONTROLLER = "storage" -- Adjust if necessary

-- Wrap the storage controller
local storage = peripheral.wrap(STORAGE_CONTROLLER)

-- Function to check if a block is fully grown
local function isMature()
    local success, block = turtle.inspectDown()
    if success and block.state and block.state.age == 7 then
        return true
    end
    return false
end

-- Function to find seeds in the turtle's inventory
local function selectSeeds()
    for slot = 1, 16 do
        local item = turtle.getItemDetail(slot)
        if item and (item.name:find("seeds") or item.name:find("sapling")) then
            turtle.select(slot)
            return true
        end
    end
    return false
end

-- Function to harvest and replant
local function harvestAndReplant()
    if isMature() then
        turtle.digDown()
        if selectSeeds() then
            turtle.placeDown()
        end
    end
end

-- Function to move through the farm in a serpentine pattern
local function navigateFarm()
    for row = 1, FIELD_SIZE do
        for col = 1, FIELD_SIZE - 1 do
            harvestAndReplant()
            turtle.forward()
        end
        harvestAndReplant()

        if row < FIELD_SIZE then
            if row % 2 == 1 then
                turtle.turnRight()
                turtle.forward()
                turtle.turnRight()
            else
                turtle.turnLeft()
                turtle.forward()
                turtle.turnLeft()
            end
        end
    end

    -- Return to starting position
    if FIELD_SIZE % 2 == 0 then
        turtle.turnRight()
        for i = 1, FIELD_SIZE - 1 do
            turtle.forward()
        end
        turtle.turnRight()
    else
        turtle.turnLeft()
        for i = 1, FIELD_SIZE - 1 do
            turtle.forward()
        end
        turtle.turnLeft()
        for i = 1, FIELD_SIZE - 1 do
            turtle.forward()
        end
        turtle.turnLeft()
        turtle.turnLeft()
    end
end

-- Function to deposit harvested crops into storage
local function depositCrops()
    print("Depositing crops...")
    for slot = 1, 16 do
        local item = turtle.getItemDetail(slot)
        if item and not (item.name:find("seeds") or item.name:find("sapling")) then
            turtle.select(slot)
            turtle.dropDown() -- Drop into the storage controller
        end
    end
end

-- Main loop
while true do
    navigateFarm()
    depositCrops()
    print("Farm cycle complete. Sleeping for 5 minutes...")
    sleep(300) -- Wait 5 minutes before next harvest
end