--todo:
-- add function that makes sure that seeds are in the two first slots and they are a stack worth if not, will take two stacks from sorted chest
-- add command in farmblock for tilling land for non fertilized


function refuel()
empty()
print("refueling")
if turtle.getFuelLevel() <= 500 then

        print("Refueling... amt 1000")
        turtle.turnLeft()
        turtle.select(3)
        turtle.suck()
        turtle.refuel()
        turtle.turnLeft()
        turtle.drop()
        turtle.turnLeft()
        end
        end

 function panicCorrection()
 local panicMode = true
 while panicMode do
 local success, data = turtle.inspect()
    if success then
        if data.name == "EnderStorage:enderChest" then
			print("SYSTEM PANIC! RECOVERING")
			turtle.turnRight()
		end
		else
			print("System Recovered.")
			panicMode = false
			turtle.forward()
			end
	end
	end


function forward(amount)
local counter = 0
local amt = tonumber(amount)
print("forward function")
while counter < amt do
turtle.forward()
counter = counter + 1
end
end

function empty()
print("Emptying..")
local slots = 3
while slots < 17 do
print("Dropped slot ".. slots)
turtle.select(slots)
turtle.drop()
slots = slots + 1
end
print("Empty COMPLETE")
end

function reSeed()
local functionBreak = true
print("reSeed function")
while functionBreak do
local data = turtle.getItemDetail()
           if data == nil then
            local currentSlot = turtle.getSelectedSlot()
			if currentSlot < 15 then
                turtle.select(currentSlot + 1)
			else
				turtle.select(1)
			end

        else
			functionBreak = false
			end
    end
    local success, data2 = turtle.inspectDown()
    if not success then
    turtle.place()
    end
end


function farmBlock()
print("farmblock function")
local success, data = turtle.inspectDown()
    if success then
        if data.name == "minecraft:carrots" then
            if data.metadata == 7 then
                print("Adult carrot Detected, Chopping and Cropping")
                turtle.digDown()
				turtle.suckDown()
                reSeed()
            end
        end
    else
    print("No Block...")
    end

end

 function plantBlock()
print("farmblock function")
local success, data = turtle.inspectDown()
    if success==false then
        print("Empty plot detected, hoeing and planting")
                turtle.digDown()
				turtle.suckDown()
                turtle.placeDown()

    else
    print("No Block...")
    end
local functionBreak = true
print("reSeed function")
while functionBreak do
data = turtle.getItemDetail()
           if data == nil then
            local currentSlot = turtle.getSelectedSlot()
			if currentSlot < 15 then
                turtle.select(currentSlot + 1)
			else
				turtle.select(1)
			end

        else
			functionBreak = false
			end
    end
	turtle.placeDown()

end


function detectDirection(currentBlock)
print("Detect direction function")
if (currentBlock.W % 2 ~= 0) then
		turtle.turnLeft()
		turtle.forward()
		turtle.turnLeft()
		else

		turtle.turnRight()
		turtle.forward()
		turtle.turnRight()
		end
	end








function main(xy)

 local success, data = turtle.inspect()
    if success then
	if data.name == "EnderStorage:enderChest" then
        panicCorrection()
		end
		end

print(xy.l)
print(xy.w)
local length = tonumber(xy.l)
local width = tonumber(xy.w)
local currentBlock= {L = 0, W = 0}

while currentBlock.W < width do
currentBlock.L = 0
print("Here")
    while currentBlock.L < length do
        turtle.forward()
		if xy.bool == true then
		plantBlock()
		else
        farmBlock()
		end
		currentBlock.L = currentBlock.L + 1
    end
    detectDirection(currentBlock)
	farmBlock()
	currentBlock.W = currentBlock.W + 1
end

local toggled = true
while toggled do
if (currentBlock.W % 2 ~= 0) then
		print("dirt detected")
            turtle.turnRight()
            forward(width)
			toggled=false
			turtle.turnLeft()
			turtle.forward()
			turtle.forward()
        else
			print("stone detected")
                turtle.turnLeft()
                forward(length)
				turtle.turnLeft()
                forward(width)
				turtle.forward()
				toggled=false
		end
		end

		turtle.turnLeft()



	turtle.turnRight()
    refuel()
	turtle.turnRight()
	turtle.forward()
	xy.bool = false
    main(xy)
end

function startup()
term.clear()
print("#######################################")
print("#######################################")
print("#######################################")
print("##########Blims Farming Turtle#########")
print("#######################################")
print("#######################################")
print("#######################################")
print("###########ver 1.2-12##################")
print("#######################################")
print("#######################################")
print("#######################################")
print("#######################################")
print("#######################################")
sleep(5)
term.clear()
local time = os.time()
local formattedTime = textutils.formatTime(time, false)
print("Session Time Begin: ".. formattedTime)

local xy = {l=0, w=0, bool=false}
print("To begin, we need to specify the dimensions of the mining turtle...")
print("Enter the length of perimeter the turtle is working:")
local length = read()
print("Enter the width of perimeter the turtle is working:")
local width = read()
print("Would you like for the first run to autoplant? (y/n):")
local boole = read()

xy.l = tonumber(length)
if boole == "y" then
xy.bool = true
else
xy.bool = false
end
xy.w = tonumber(width)

if length == width then
print("This farming turtle will work within a ".. length.. " by ".. width.. " square")
print("The work area of the turtle should look like this in the example square:")
print("P= plant export | T = turtle | E= empty fuel bucket | F= full fuel buckets")
print("######")
print("######")
print("######")
print("######")
print("######")
print("PTE###")
print(" F")
else
print("This farming turtle will work within a ".. length.. " by ".. width.. " rectangle")
print("The work area of the turtle should look like this in the example square:")
print("P= plant export | T = turtle | E= empty fuel bucket | F= full fuel buckets")
print("######")
print("######")
print("######")
print("######")
print("######")
print("PTE###")
print(" F")
end

refuel()
print(xy.l)
print(xy.w)
sleep(3)
turtle.forward()
main(xy)
end
startup()