# display.py

import pyglet

class DisplayContent:
    def __init__(self):
        pass

    def create(self, obj, width, height, x, y):
        obj.audiencebatch = pyglet.graphics.Batch()
        obj.audiencecontent = []


class DisplayLyrics(DisplayContent):
    def __init__(self, text):
        self._text = text

    def create(self, obj, width, height, x, y):
        scale = height / 600

        super().create(obj, width, height, x, y)

        obj.audiencecontent.append(pyglet.text.Label(self._text,
                                                     font_name='Ariel',
                                                     font_size=36 * scale,
                                                     x=x + width//2, y=y + height//2,
                                                     anchor_x='center', anchor_y='center',
                                                     width=width, align='center',
                                                     multiline=True,
                                                     batch=obj.audiencebatch))

class DisplayImage(DisplayContent):
    def __init__(self, image, background=None):
        self._image = image
        self._background = background

    def create(self, obj, width, height, x, y):

        super().create(obj, width, height, x, y)

        scale = min(width / self._image.width, height / self._image.height)

        if self._background is not None:
            print("Background is {}".format(self._background))
            rectangle = pyglet.shapes.Rectangle(x=x + width//2, y=y + height//2,
                                                width=width, height=height,
                                                color=self._background,
                                                batch=obj.audiencebatch)
            rectangle.anchor_x = width//2
            rectangle.anchor_y = height//2
            obj.audiencecontent.append(rectangle)

        sprite = pyglet.sprite.Sprite(img=self._image,
                                      x=x + width//2, y=y + height//2,
                                      batch=obj.audiencebatch)
        sprite.scale = scale
        obj.audiencecontent.append(sprite)