local Blocks = {}
Blocks["minecraft:lapis_block"] = {}
Blocks["minecraft:lapis_block"][0] = "front"
Blocks["minecraft:wool"] = {}
	--laine orange
Blocks["minecraft:wool"][1] = "carrot"
	--laine bleue claire
Blocks["minecraft:wool"][3] = "right"
	--laine marron
Blocks["minecraft:wool"][12] = "left"
	--laine noire
Blocks["minecraft:wool"][15] = "drop"
	--laine blanche
Blocks["minecraft:wool"][0] = "load"
Blocks["minecraft:coal_block"] = {}
Blocks["minecraft:coal_block"][0] = "refuel"

function treatDirection(chain)
	if chain == "left" then
		turtle.turnLeft()
	elseif chain == "right" then
		turtle.turnRight()
	elseif chain == "carrot" then
		cropsAction()
		turtle.turnLeft()
		cropsAction()
	elseif chain == "refuel" then
		refuelAction()
		turtle.turnLeft()
		turtle.turnLeft()
	elseif chain == "drop" then
		turtle.select(2)
		turtle.drop(64)
		turtle.turnLeft()
		turtle.turnLeft()
	elseif chain == "load" then
		turtle.turnLeft()
		turtle.turnLeft()
	end
	turtle.forward()
end

function refuelAction()
	turtle.select(1)
	turtle.suck(1)
	turtle.refuel()
end

function checkDirection()
	find, res = turtle.inspectDown()
	print(find)
	print(Blocks[res.name])
	print(Blocks[res.name][res.metadata])
	if find and Blocks[res.name] and Blocks[res.name][res.metadata] then
		treatDirection(Blocks[res.name][res.metadata])
	else
		exit()
	end
end

function cropsAction(type)
	turtle.turnLeft()
	test, datas = turtle.inspect()
	if datas.name == type and datas.metadata == 7 then
		turtle.select(2)
		turtle.dig()
		turtle.place()
	end
end

while true do
	checkDirection()
end