lumberjack

local chests = {}
chests["minecraft:chest"] = true
chests["ironchest:iron_chest"] = true
chests["ironchest:gold_chest"] = true
chests["ironchest:diamond_chest"] = true
chests["ironchest:copper_chest"] = true
chests["ironchest:crystal_chest"] = true
chests["ironchest:obsidian_chest"] = true

local logs = {}
logs["minecraft:oak_log"] = true
logs["minecraft:spruce_log"] = true
logs["minecraft:birch_log"] = true
logs["minecraft:jungle_log"] = true
logs["minecraft:acacia_log"] = true
logs["minecraft:dark_oak_log"] = true
logs["biomesoplenty:fir_log"] = true
logs["biomesoplenty:redwood_log"] = true
logs["biomesoplenty:cherry_log"] = true
logs["biomesoplenty:mahogany_log"] = true
logs["biomesoplenty:jacaranda_log"] = true
logs["biomesoplenty:palm_log"] = true
logs["biomesoplenty:willow_log"] = true
logs["biomesoplenty:dead_log"] = true
logs["biomesoplenty:magic_log"] = true
logs["biomesoplenty:umbran_log"] = true
logs["biomesoplenty:hellbark_log"] = true

local leaves = {}
leaves["minecraft:oak_leaves"] = true
leaves["minecraft:spruce_leaves"] = true
leaves["minecraft:birch_leaves"] = true
leaves["minecraft:jungle_leaves"] = true
leaves["minecraft:acacia_leaves"] = true
leaves["minecraft:dark_oak_leaves"] = true
leaves["biomesoplenty:fir_leaves"] = true
leaves["biomesoplenty:redwood_leaves"] = true
leaves["biomesoplenty:cherry_leaves"] = true
leaves["biomesoplenty:mahogany_leaves"] = true
leaves["biomesoplenty:jacaranda_leaves"] = true
leaves["biomesoplenty:palm_leaves"] = true
leaves["biomesoplenty:willow_leaves"] = true
leaves["biomesoplenty:dead_leaves"] = true
leaves["biomesoplenty:magic_leaves"] = true
leaves["biomesoplenty:umbran_leaves"] = true
leaves["biomesoplenty:hellbark_leaves"] = true
leaves["biomesoplenty:origin_leaves"] = true
leaves["biomesoplenty:flowering_oak_leaves"] = true
leaves["biomesoplenty:rainbow_birch_leaves"] = true
leaves["biomesoplenty:yellow_autumn_leaves"] = true
leaves["biomesoplenty:orange_autumn_leaves"] = true
leaves["biomesoplenty:maple_leaves"] = true

print("")
while true do
    local hasData, data = turtle.inspect()
    local fuel = turtle.getFuelLevel()
    if turtle.detect() then
        --check if chest
        if chests[data.name] then
            local fuel = turtle.getFuelLevel()
            print("Fuel = "..fuel)
            turtle.select(2)
            if fuel < 1000 then
                turtle.refuel()
            end
            for i=2,16 do
                turtle.select(i)
                turtle.drop()
            end
            turtle.select(1)
            local saplings = turtle.getItemCount()
            if saplings < 64 then
                turtle.suckDown(64-saplings)
            end
            turtle.turnLeft()
            turtle.turnLeft()
            local slp = 30
            print("sleeping for "..slp.." seconds")
            sleep(slp)
        --check if logc
        elseif logs[data.name] then
            turtle.dig()
            turtle.forward()
            turtle.digDown()
            turtle.placeDown()
            local treeDone = False
            posY = 0
            while turtle.detectUp() do
                turtle.digUp()
                turtle.up()
                posY = posY +1
            end
            while posY > 0 do
                turtle.down()
                posY = posY-1
            end
            turtle.suckDown()
        --check if leaves
        elseif leaves[data.name] then
            turtle.dig()
            turtle.forward()
            turtle.suckDown()
        --else turn around
        else
            turtle.turnLeft()
            turtle.turnLeft()
        end
    else
        turtle.forward()
        turtle.suckDown()
    end
end