Farm turtle

-- Configuration
local CROP_AGE = 7 -- Maximum crop growth stage
local FARM_WIDTH = 9  -- Width of farm (number of blocks per row)
local FARM_ROWS = 5   -- Total number of farmland rows
local WATER_GAP = true -- True if water is in between rows

-- Function to inspect the block below the turtle
local function getBlockBelow()
    local success, block = turtle.inspectDown()
    if success then
        return block.name, block.state
    end
    return nil, nil
end

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

-- Function to handle harvesting and replanting
local function processFarmland()
    local blockName, blockState = getBlockBelow()

    if blockName then
        if blockName:find("crop") then
            -- If it's a crop, check maturity
            if blockState and blockState.age == CROP_AGE then
                print("Harvesting mature crop...")
                turtle.digDown() -- Harvest crop
                if selectSeeds() then
                    print("Replanting...")
                    turtle.placeDown() -- Replant
                end
            end
        elseif blockName:find("farmland") then
            -- If it's farmland but no crop, plant seeds if available
            if selectSeeds() then
                print("Planting new crop...")
                turtle.placeDown()
            end
        elseif blockName:find("water") then
            print("Water detected under turtle.")
        end
    end
end

-- Function to move forward safely, handling failures
local function moveForward()
    local attempts = 0
    while attempts < 3 do
        if turtle.forward() then
            print("Moved forward.")
            return true
        else
            print("Move failed. Retrying...")
            attempts = attempts + 1
            sleep(0.5) -- Short delay before retrying
        end
    end
    print("Move forward failed after retries.")
    return false
end

-- Function to farm a full row
local function farmRow()
    for i = 1, FARM_WIDTH - 1 do
        processFarmland()
        moveForward()
    end
    processFarmland()
end

-- Function to cross water safely
local function crossWater()
    print("Crossing water...")
    turtle.up()
    moveForward()
    turtle.down()
end

-- Function to handle the full farm cycle
local function farmFullField()
    print("Starting farm cycle...")
    for row = 1, FARM_ROWS do
        farmRow()

        -- Move to the next row if not the last
        if row < FARM_ROWS then
            if row % 2 == 1 then
                turtle.turnRight()
                if WATER_GAP then crossWater() else moveForward() end
                turtle.turnRight()
            else
                turtle.turnLeft()
                if WATER_GAP then crossWater() else moveForward() end
                turtle.turnLeft()
            end
        end
    end

    print("Farm cycle complete. Returning to start...")
    -- Return to start position (move back row-by-row)
    turtle.turnRight()
    for i = 1, FARM_ROWS - 1 do
        if WATER_GAP then crossWater() else moveForward() end
    end
    turtle.turnRight()
    print("Back at start position.")
end

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

-- Main loop
while true do
    farmFullField()
    depositCrops()
    print("Sleeping for 5 minutes...")
    sleep(300) -- Wait 5 minutes before the next cycle
end