local location = ""
local position = ""

local returnValue = ""
local boolreturn = false;

local whatIHaveIs = "empty"

function teleport()
	tp = peripheral.wrap("bottom")
	tp.teleport()
end

function isFull()
	boolreturn = false
	greader = peripheral.wrap("right")
	data = greader.get()
	boolreturn = data["Full Energy"]
end


function checkEmpty()
	greader = peripheral.wrap("right")
	data = greader.get()
	while not data["No Energy"] do
		sleep(15)
		data = greader.get()
	end
	turtle.dig()
	whatIHaveIs = "empty"
end

function checkLoc()
	loc = turtle.detectUp()
	if loc == true then
		print ("I am at the charge station")
		location = "Charging"
		isCharging()
		if boolreturn == true then
			position = "charger"
		else
			position = "teleporter"
		end
	else
		print("I am at the quarry")
		location = "Quarry"
	end
	shell.run('clear')
	print("-------------------------")
	print("location = "..location)
	print("position = "..position)
	print("whatIHaveIs = "..whatIHaveIs)
	print("Fuel = "..tostring(turtle.getFuelLevel()))
	print("-------------------------")

end

function checkFuel()
	fuel = turtle.getFuelLevel()
	if fuel < 5000 then
		print("I need fuel")
		FuelUp()
	end
end

function DeepCharge()
	checkLoc()
	if location == "Charging" then
		if position == "charger" then
			while turtle.getFuelLevel() < 15000 do
				shell.run('clear')
				print("-------------------------")
				print("location = "..location)
				print("position = "..position)
				print("whatIHaveIs = "..whatIHaveIs)
				print("Deep Fuel = "..tostring(turtle.getFuelLevel()))
				print("-------------------------")
				sleep(1)
			end
		end
	end
end

function FuelUp()
	checkLoc()
	if location == "Charging" then
		if position == "charger" then
			while turtle.getFuelLevel() < 9000 do
				shell.run('clear')
				print("-------------------------")
				print("location = "..location)
				print("position = "..position)
				print("whatIHaveIs = "..whatIHaveIs)
				print("Fueling = "..tostring(turtle.getFuelLevel()))
				print("-------------------------")
				sleep(1)
			end
		end
	end
end

function isCharging()
	boolreturn = false
	fuellevel = turtle.getFuelLevel()
	sleep(5)
	if fuellevel < turtle.getFuelLevel() then
		boolreturn = true
	end
end


function CheckChargeStationSpotPlacement()
	print("Spot Check 4 Place")
	boolreturn = false
	turtle.forward()
	turtle.turnLeft()
	loc = turtle.detect()
	if loc == false then
		boolreturn = true
		turtle.place()
	end
	turtle.turnRight()
end

function CheckChargeStationSpotGet()
	print("Spot Check 4 Get")
	boolreturn = false
	turtle.forward()
	turtle.turnLeft()
	loc = turtle.detect()
	if loc == true then
		isFull()
		if boolreturn == true then
			whatIHaveIs = "full"
			turtle.dig()
		end
	end
	turtle.turnRight()
end

function return2ChargeStation()
	turtle.turnLeft()
	turtle.turnLeft()
	while turtle.forward() do
		sleep(0.1)
	end
	turtle.turnRight()
	turtle.forward()
	FuelUp()
end


function Go()
	checkLoc()
	shell.run('clear')
	print("-----------GO------------")
	print("location = "..location)
	print("position = "..position)
	print("whatIHaveIs = "..whatIHaveIs)
	print("Fuel = "..tostring(turtle.getFuelLevel()))
	print("-------------------------")

	if location == "Charging" then
		if position == "teleporter" then
			turtle.turnLeft()
			turtle.turnLeft()
			turtle.forward()
			turtle.forward()
			turtle.forward()
		end
		FuelUp()
		if turtle.getItemCount(1) >= 1 then
			if whatIHaveIs == "empty" then

				turtle.turnLeft()
				turtle.turnLeft()
				turtle.forward()
				turtle.turnLeft()
				turtle.forward()

				CheckChargeStationSpotPlacement()
				if boolreturn == true then
					return2ChargeStation()
				else
					CheckChargeStationSpotPlacement()
					if boolreturn == true then
						return2ChargeStation()
					else
						CheckChargeStationSpotPlacement()
						return2ChargeStation()
					end
				end
				return true
			end

			if whatIHaveIs == "full" then
				turtle.turnLeft()
				turtle.turnLeft()
				turtle.forward()
				turtle.forward()
				turtle.forward()
				teleport()
			end
		else
			if whatIHaveIs == "nothing" then
				DeepCharge()
				turtle.turnLeft()
				turtle.turnLeft()
				turtle.forward()
				turtle.forward()
				turtle.forward()
				teleport()
				return true
			else
				turtle.turnLeft()
				turtle.turnLeft()
				turtle.forward()
				turtle.turnLeft()
				turtle.forward()

				CheckChargeStationSpotGet()
				if boolreturn == true then
					return2ChargeStation()
				else
					CheckChargeStationSpotGet()
					if boolreturn == true then
						return2ChargeStation()
					else
						CheckChargeStationSpotGet()
						return2ChargeStation()
					end
				end
			end
		end
	else
		if turtle.getItemCount(1) >= 1 then
			whatIHaveIs = "full"
			turtle.turnLeft()
			turtle.place()
			whatIHaveIs = "nothing"
			turtle.turnRight()
			teleport()
		else
			whatIHaveIs = "nothing"
			turtle.turnLeft()
			checkEmpty()
			turtle.turnRight()
			teleport()
		end
	end
	return true
end

while true do
	Go()
end