Computercraft WheatFarm

waitTime = 300 -- time to wait before reruning the program

function menu()
    term.clear()
    term.setCursorPos(1,1)
    print("--------------------")
    print("Welcome To FarmBotOS")
    print("--------------------")
    print("Press Enter To Start Farming")
    print("Press RShift To Make A Farm")
    print("Press H For Help")
    print("Press Backspace To Cancel")
    while true do
        local event, key = os.pullEvent( "key" ) -- limit os.pullEvent to the 'key' event

        if key == keys.enter then -- if the key pressed was 'Enter'
            farm()
            break
        end

        if key == keys.rightShift then -- if the key pressed was 'RShift'
            makeFarm()
            break
        end

        if key == keys.h then -- if the key pressed was 'H'
            term.clear()
            term.setCursorPos(1,1)
            helpPageOne()
            break
        end

        if key == keys.backspace then -- if the key pressed was 'Backspace'
            term.clear()
            term.setCursorPos(1,1)
            break
        end
    end
end

function helpPageOne()
    print("----------------------")
    print("Where Do You Put Items")
    print("----------------------")
    print("Slot 1: Fuel (DON'T USE LAVA!)")
    print("For Making The Farm:")
    print("Slot 13: Water Bucket")
    print("Slot 14: Water Bucket")
    print("Slot 15: Diamond Shovel (MUST BE DIAMOND!)")
    print("Slot 16: 3 Chests")
    print("Press -> For Next Page, Or Backspace To Cancel")
    while true do
        local event, key = os.pullEvent( "key" ) -- limit os.pullEvent to the 'key' event

        if key == keys.right then -- if the key pressed was '->'
            term.clear()
            term.setCursorPos(1,1)
            helpPageTwo()
            break
        end

        if key == keys.backspace then -- if the key pressed was 'backspace'
            term.clear()
            term.setCursorPos(1,1)
            menu()
            break
        end
    end
end

function helpPageTwo()
    print("----------------------")
    print("What Chests Hold What")
    print("----------------------")
    print("Chests Numbered From Left To Right Looking At The Backs Of The Chests")
    print("Chest 1: Fuel")
    print("Chest 2: Wheat")
    print("Chest 3: Seeds")
    print("Press Backspace To Cancel")
    while true do
        local event, key = os.pullEvent( "key" ) -- limit os.pullEvent to the 'key' event

        if key == keys.backspace then -- if the key pressed was 'backspace'
            term.clear()
            term.setCursorPos(1,1)
            menu()
            break
        end
    end
end

function farm()
    turtle.up()
    turtle.forward()
    turtle.turnRight()
    inspectFarm()
    for f = 1, 36 do
        turtle.forward()
    end
    turtle.down()
    refuelFromChest()
    depositWheatAndSeeds()
    turtle.turnRight()
    turtle.forward()
    turtle.forward()
    turtle.turnRight()
    os.sleep(waitTime)
    farm()
end

function inspectFarm()
    inspectFarmSection()
    turtle.turnRight()
    turtle.forward()
    turtle.turnRight()
    inspectFarmSection()
    turtle.turnRight()
    turtle.forward()
    turtle.turnRight()
    inspectFarmSection()
    turtle.turnRight()
    turtle.forward()
    turtle.turnRight()
    inspectFarmSection()
    turtle.turnLeft()
end

function inspectFarmSection()
    inspectRow()
    turtle.turnLeft()
    turtle.forward()
    turtle.turnLeft()
    inspectRow()
    turtle.turnRight()
    turtle.forward()
    turtle.turnRight()
    inspectRow()
    turtle.turnLeft()
    turtle.forward()
    turtle.turnLeft()
    inspectRow()
    turtle.turnRight()
    turtle.forward()
    turtle.forward()
    turtle.turnRight()
    inspectRow()
    turtle.turnLeft()
    turtle.forward()
    turtle.turnLeft()
    inspectRow()
    turtle.turnRight()
    turtle.forward()
    turtle.turnRight()
    inspectRow()
    turtle.turnLeft()
    turtle.forward()
    turtle.turnLeft()
    inspectRow()
end

function inspectRow()
    for r = 1, 7 do
        inspectWheat()
        turtle.forward()
    end
    inspectWheat()
end

function inspectWheat()
    local success, data = turtle.inspectDown()
    if success then
        if data.name == "minecraft:wheat" then
            if data.metadata == 7 then
                turtle.digDown()
                turtle.digDown()
                plantSeed()
            end
        end
    else
        turtle.digDown()
        turtle.digDown()
        plantSeed()
    end
end

function plantSeed()
    for b = 1, 16 do
        if turtle.getItemCount(b) ~= 0 then
            if turtle.getItemDetail(b).name == "minecraft:wheat_seeds" then
                turtle.select(b)
                turtle.placeDown()
                return
            end
        end
    end
end

function refuelFromChest()
    turtle.select(1)
    while turtle.getFuelLevel() < 800 do
        turtle.refuel(1)
    end
    while turtle.getItemSpace() > 32 do
        turtle.suck(1)
    end
    return
end

function depositWheatAndSeeds()
    turtle.turnLeft() -- Move turtle toward the wheat chest
    turtle.forward()
    turtle.turnRight() -- face the wheat chest
    turtle.select(1)
    for s = 1, 16 do
        if turtle.getItemCount(s) ~= 0 then
            if turtle.getItemDetail(s).name == "minecraft:wheat" then
                turtle.select(s)
                turtle.drop()
            end
        end
    end
    turtle.turnLeft()
    turtle.forward()
    turtle.turnRight()
    for v = 1, 16 do
        if turtle.getItemCount(v) ~= 0 then
            if turtle.getItemDetail(v).name == "minecraft:wheat_seeds" then
                turtle.select(v)
                turtle.drop()
            end
        end
    end
end

function makeFarm()
    if turtle.getFuelLevel() < 800 then
        print("[ERROR] Not Enough Fuel! Refuel Me To 800 Then Re-Run The Program")
        return
    end
    turtle.select(16) -- select the chests
    turtle.turnRight()
    turtle.turnRight()
    turtle.place() -- place the coal chest
    turtle.turnLeft()
    turtle.forward()
    turtle.turnRight()
    turtle.place() -- place the wheat chest
    turtle.turnLeft()
    turtle.forward()
    turtle.turnRight()
    turtle.place() -- place the seeds chest
    turtle.turnRight()
    turtle.forward()
    turtle.forward()
    turtle.turnRight() --  back at start position
    turtle.select(15) -- select the diamond shovel
    turtle.equipLeft() -- equip the shovel
    turtle.forward()
    turtle.forward()
    turtle.forward()
    turtle.forward()
    turtle.forward()
    turtle.turnRight() -- position turtle in front of water row
    digAndFillWaterRow()
    turtle.turnRight()
    forward(9)
    turtle.turnRight()
    digAndFillWaterRow()
    turtle.turnRight()
    forward(9)
    turtle.turnRight()
    digAndFillWaterRow()
    turtle.turnRight()
    forward(9)
    turtle.turnRight()
    digAndFillWaterRow()
    turtle.turnLeft()
    turtle.select(15) -- select the hoe
    turtle.equipLeft()
    forward(34)
    turtle.turnRight()
    for c = 2, 16 do
        turtle.select(c)
        turtle.drop()
    end
    turtle.turnRight()
    turtle.forward()
    turtle.turnRight()
    turtle.up()
    tillFarm()
    for f = 1, 36 do
        turtle.forward()
    end
    turtle.down()
    refuelFromChest()
    depositWheatAndSeeds()
    getSeeds()
    turtle.turnRight()
    turtle.forward()
    turtle.forward()
    turtle.turnRight()
    farm()
end

function digAndFillWaterRow()
    for d = 1, 7 do
        turtle.digDown()
        turtle.forward()
    end
    turtle.digDown()
    turtle.turnLeft()
    turtle.turnLeft()

    turtle.select(14) -- select the water bucket
    turtle.placeDown()
    turtle.forward()
    turtle.forward()
    turtle.select(13)
    turtle.placeDown()
    turtle.back()
    turtle.placeDown()
    turtle.forward()
    turtle.forward()
    turtle.forward()
    turtle.placeDown()
    turtle.back()
    turtle.placeDown()
    turtle.forward()
    turtle.forward()
    turtle.forward()
    turtle.placeDown()
    turtle.back()
    turtle.placeDown()
    turtle.forward()
    turtle.forward()
    turtle.placeDown()
    turtle.back()
    turtle.select(14)
    turtle.placeDown()
    os.sleep(3)
    turtle.select(13)
    turtle.placeDown()
    turtle.forward()
    turtle.select(13)
end

function tillFarm()
    tillFarmSection()
    turtle.turnRight()
    turtle.forward()
    turtle.turnRight()
    tillFarmSection()
    turtle.turnRight()
    turtle.forward()
    turtle.turnRight()
    tillFarmSection()
    turtle.turnRight()
    turtle.forward()
    turtle.turnRight()
    tillFarmSection()
    turtle.turnLeft()
end

function tillFarmSection()
    tillRow()
    turtle.turnLeft()
    turtle.forward()
    turtle.turnLeft()
    tillRow()
    turtle.turnRight()
    turtle.forward()
    turtle.turnRight()
    tillRow()
    turtle.turnLeft()
    turtle.forward()
    turtle.turnLeft()
    tillRow()
    turtle.turnRight()
    turtle.forward()
    turtle.forward()
    turtle.turnRight()
    tillRow()
    turtle.turnLeft()
    turtle.forward()
    turtle.turnLeft()
    tillRow()
    turtle.turnRight()
    turtle.forward()
    turtle.turnRight()
    tillRow()
    turtle.turnLeft()
    turtle.forward()
    turtle.turnLeft()
    tillRow()
end

function tillRow()
    for r = 1, 7 do
        turtle.digDown()
        turtle.forward()
    end
    turtle.digDown()
end

function getSeeds()
    turtle.select(2)
    while turtle.getItemSpace() > 0 do
        turtle.suck(4)
    end
    turtle.select(3)
    while turtle.getItemSpace() > 0 do
        turtle.suck(4)
    end
    turtle.select(4)
    while turtle.getItemSpace() > 0 do
        turtle.suck(4)
    end
    turtle.select(5)
    while turtle.getItemSpace() > 0 do
        turtle.suck(4)
    end
end

function forward(d)
    for i = 1, d do
        turtle.forward()
    end
end

menu()