import pygame
from pygame import Rect
from pygame.locals import *

from lib.pgfw.pgfw.GameChild import GameChild
from lib.pgfw.pgfw.Vector import Vector
from .Mask import Mask
from .Plate import Plate

class Land(GameChild, Rect):

    def __init__(self, parent):
        GameChild.__init__(self, parent)
        self.display_surface = self.get_game().background
        self.load_configuration()
        if not self.get_game().rotated:
            self.intermediate = pygame.Surface(self.get_display_surface().get_size())
        else:
            self.intermediate = pygame.Surface((self.get_display_surface().get_height(), self.get_display_surface().get_width()))
        self.intermediate.set_colorkey((0, 0, 0))
        self.mask = Mask(self)
        self.plate = Plate(self)
        self.init_rect()
        self.reset()

    def load_configuration(self):
        config = self.get_configuration("land")
        self.height = config["height"]
        self.altitude_ratio = config["altitude-ratio"]

    def init_rect(self):
        Rect.__init__(self, (0, self.get_initial_top()), self.mask.get_size())

    def get_initial_top(self):
        return self.intermediate.get_height() - self.h

    def reset(self):
        self.top = self.get_initial_top()
        self.mask.reset()
        self.plate.reset()

    def update(self):
        self.mask.update()
        self.plate.update()
        self.intermediate.blit(self.plate, self)
        self.intermediate.blit(self.mask, self, None, BLEND_RGB_MIN)
        self.get_display_surface().blit(self.get_game().orient(self.intermediate), (0, 0))