Main

--Move Bot
function moveToChest()
  newX = botCoords["x"] - chestCoords["x"]
  newY = botCoords["y"] - chestCoords["y"]
  newZ = botCoords["z"] - chestCoords["z"]

  if newX > 0 then
    iWantToFace = 3
  else if newX < 0 then
    iWantToFace = 1
  end

  if newY > 0 then
    iWantToFace = 0
  else if newY < 0 then
    iWantToFace = 2
  end

  if newZ > 0 then
    turtle.down()
    botCoords["z"] = botCoords["z"] - 1
  else if newZ < 0 then
    turtle.up()
    botCoords["z"] = botCoords["z"] + 1
  end

  if facing == iWantToFace then
    turtle.forward()
    if facing == 0 then
      botCoords["y"] = botCoords["y"] - 1
    else if facing == 1 then
      botCoords["x"] = botCoords["x"] + 1
    else if facing == 2 then
      botCoords["y"] = botCoords["y"] + 1
    else if facing == 3 then
      botCoords["x"] = botCoords["x"] - 1
    end
  else then
    turtle.turnRight()
    facing = facing + 1
    if facing > 3 then
      faceing = facing - 4
    end
  end
end
--Main Program
botCoords = {}
homeCoords = {}
chestCoords = {}
facing = 0
iWantToFace = 0
pathBack = {}

print("Gathering Coordinates")
file = fs.open("Locations", "r")
file.readLine()

x = tonumber(file.readLine())
botCoords["x"] = x
homeCoords["x"] = x

y = tonumber(file.readLine())
botCoords["y"] = y
homeCoords["y"] = y

z = tonumber(file.readLine())
botCoords["z"] = z
homeCoords["z"] = z

file.readLine()
chestCoords["x"] = tonumber(file.readLine())
chestCoords["y"] = tonumber(file.readLine())
chestCoords["z"] = tonumber(file.readLine())

goBackAt = 0
isGoingBack = false
needTask = false
getResource = false

while true do
  if turtle.getFuelLevel() == 0 and turtle.getItemCount(16) > 0 then
    goBackAt = (turtle.getItemCount(16) * 80) / 2
    turtle.select(16)
    turtle.refuel(turtle.getItemCount(16))
    print("YUM")
    print(turtle.getFuelLevel())
  elseif turtle.getFuelLevel() == 0 then
    print("Sleepy Time")
    os.sleep(60)
  elseif turtle.getFuelLevel() <= goBackAt or isGoingBack then
    isGoingBack = true
    moveToChest()
    if turtle.detect() then
      data = turtle.inspect()
      if data.name == "Minecraft:Chest" then
        chest = peripheral.isPresent("front")

        for i = 1, 16 do
          turtle.select(i)
          turtle.drop()
        end
        for slot, item in pairs(chest.getAllStacks()) do
          if item.id == "Minecraft:Coal"
  end
end