wooder

robot = require("robot")

function main()
  while true do
    local _, isWood = robot.detect()
    if isWood == "solid" then
      jack()
      plant()
    end
    os.sleep(30)
    suck()
  end
end

function jack()
  while robot.detect() do
    robot.swing()
    robot.swingUp()
    robot.up()
  end
  while not robot.detectDown() do
    robot.down()
  end
end

function plant()
  robot.place()
end

function suck()
  robot.turnRight()
  for i = 0, 3 do
    robot.forward()
    robot.turnLeft()
    robot.forward()
    rotate()
  end
  robot.turnLeft()
end

function rotate()
  for i = 0, 3 do
    robot.suck()
    robot.turnRight()
  end
end

main()