from __builtins__ import *

world_size = get_world_size()

def move_to(x, y):
	while x > get_pos_x():
		move(East)
	while x < get_pos_x():
		move(West)

	while y > get_pos_y():
		move(North)
	while y < get_pos_y():
		move(South)




# Harvest all tiles in a grid.
#
# Returns:
# 	None
def harvest_grid(width, height):
	res = {}
	x = get_pos_x()
	y = get_pos_y()

	grid_size = get_world_size()

	if (x + width) > grid_size:
		width = grid_size - x

	if (y + height) > grid_size:
		height = grid_size - y


	others = {East: West, West: East}

	side_dir = East

	for row in range(height):
		for col in range(width):
			if can_harvest():
				harvest()
			# if it's not the last pass, then move
			if col < width - 1:
				if side_dir == East:
					x = (x + 1) % grid_size

				elif side_dir == West:
					x = (x - 1) % grid_size

				move(side_dir)

		if row < height - 1:
			side_dir = others[side_dir]
			move(North)
			y = (y + 1) % grid_size

	return res


# Plant a square of the given list of entities.
#
# If the water level is below waterBelow,
# it will water the tile.  If requireSoil is true, it will till the tile if it's not soil.
# plantWith - list of entities to plant. The entities will alternate if repeated.
#
# Parameters:
#	width (int): The number of columns in the grid.
#	height (int): The number of rows in the grid.
#	plantWith (list): A list of entities to plant.
#	waterBelow (float): The water level below which the tile will be watered.
#	requireSoil (bool): If true, the tile will be tilled if it's not soil.
# 	onPlant (function): A function to call after each planting operation (optional). Parameters: x, y
#
# Returns:
# 	None
def plant_grid(width, height, plant_with, water_below, require_soil, on_plant = None):
	res = {}
	x = get_pos_x()
	y = get_pos_y()

	grid_size = get_world_size()

	if (x + width) > grid_size:
		width = grid_size - x

	if (y + height) > grid_size:
		height = grid_size - y

	tracker = 0

	others = {East: West, West: East}

	side_dir = East
	# first pass over, checking if anything can be harvested. if so, harvest.
	# then check what type of ground is down, if it's not soil, then till.
	# then if it's below 75% water and I have some water, give it some.
	# then plant a pumpkin.
	for row in range(height):
		for col in range(width):
			if can_harvest():
				harvest()
			if require_soil:
				if get_ground_type() != Grounds.Soil:
					till()

			while get_water() < water_below:
				if not use_item(Items.Water):
					break

			index = tracker % len(plant_with)
			tracker += 1

			success = plant(plant_with[index])
			if not success:
				print("Failed to plant at " + str(x) + ", " + str(y))

			# if on_plant is not None: is giving me errors in the game, but this seems to be what they want
			if on_plant:
				on_plant(x, y)

			# if it's not the last pass, then move
			if col < width - 1:
				if side_dir == East:
					x = (x + 1) % grid_size

				elif side_dir == West:
					x = (x - 1) % grid_size

				move(side_dir)

		if row < height - 1:
			side_dir = others[side_dir]
			move(North)
			y = (y + 1) % grid_size

	return res