local robot = require("robot")
local depth,width = ...

if not depth or not width then
    print("Usage: farm <forward> <left>")
    return
end

print("Farming in a " .. depth .. "x" .. width .. " area")

for _ = 1,width do
    -- break
    for _ = 1,depth do
        if robot.detectDown() then
            robot.swingDown()
        end
        while not robot.forward() do end
    end
    robot.turnAround()
    -- go back and place
    for _ = 1,depth do
        while not robot.forward() do end
        robot.placeDown()
    end
    -- advance to next row
    robot.turnRight()
    while not robot.forward() do end
    robot.turnRight()
end
-- go back to starting position
robot.turnRight()
for _ = 1,width do
    while not robot.forward() do end
end
robot.turnLeft()