"""SC Controller - Controller Registration data

Dummy container classes
"""
from scc.constants import STICK_PAD_MAX, STICK_PAD_MIN
from scc.gui.creg.constants import AXIS_TO_BUTTON

import logging
log = logging.getLogger("CReg.data")


class AxisData:
	"""(Almost) dumb container.

	Stores position, center and limits for single axis.
	"""

	def __init__(self, name, xy, min=STICK_PAD_MAX, max=STICK_PAD_MIN):
		self.name = name
		self.area = name.split("_")[0].upper()
		if self.area.endswith("TRIG"): self.area = self.area[0:-3]
		self.xy = xy
		self.pos = 0
		self.center = 0
		self.min = min
		self.max = max
		self.invert = False
		self.cursor = None


	def reset(self):
		"""Reset min and max value so axis can (has to be) recalibrated again"""
		self.min = STICK_PAD_MAX
		self.max = STICK_PAD_MIN


	def __repr__(self):
		return "<Axis data '%s'>" % (self.name, )


	def set_position(self, value):
		"""Return (changed, x), value determining if axis limits were changed and current position position.

		translated to range of (STICK_PAD_MIN, STICK_PAD_MAX)
		"""
		changed = False
		if value < self.min:
			self.min = value
			changed = True
		if value > self.max:
			self.max = value
			changed = True
		self.pos = value
		try:
			r = (STICK_PAD_MAX - STICK_PAD_MIN) / (self.max - self.min)
			v = (self.pos - self.min) * r
			if self.invert:
				return changed, STICK_PAD_MAX - v
			else:
				return changed, v + STICK_PAD_MIN
		except ZeroDivisionError:
			return changed, 0


class DPadEmuData:
	"""Dumb container that stores dpad emulation data.

	DPAd emulation is used, for example, on PS3 controller, where dpad does not
	inputs as 2 axes, but as 4 buttons.

	This class stores mapping of one button to one half of axis.
	"""

	def __init__(self, axis_data, positive):
		self.axis_data = axis_data
		self.positive  = positive
		self.button = AXIS_TO_BUTTON[axis_data.name]
