# coding=UTF-8

CANVAS = {
    "max_long_side": 500,
    "min_long_side": 20,
    "max_short_side": 150,
    "min_short_side": 20,
}

CANVAS_FRAME = {
    "max_long_side": 150,
    "min_long_side": 40,
    "max_short_side": 150,
    "min_short_side": 40,
}


def calculate_canvas_frame_limits(width, height):
    if width > height:
        width = min(width, CANVAS_FRAME.get("max_long_side"))
        width = max(width, CANVAS_FRAME.get("min_long_side"))
        height = min(height, CANVAS_FRAME.get("max_short_side"))
        height = max(height, CANVAS_FRAME.get("min_short_side"))
    else:
        height = min(height, CANVAS_FRAME.get("max_long_side"))
        height = max(height, CANVAS_FRAME.get("min_long_side"))
        width = min(width, CANVAS_FRAME.get("max_short_side"))
        width = max(width, CANVAS_FRAME.get("min_short_side"))

    # round to nearest 10
    width = round(width, -1)
    height = round(height, -1)

    return width, height


def calculate_canvas_limits(width, height, framed=False):
    if framed:
        return calculate_canvas_frame_limits(width, height)

    if width > height:
        width = min(width, CANVAS.get("max_long_side"))
        width = max(width, CANVAS.get("min_long_side"))
        height = min(height, CANVAS.get("max_short_side"))
        height = max(height, CANVAS.get("min_short_side"))
    else:
        height = min(height, CANVAS.get("max_long_side"))
        height = max(height, CANVAS.get("min_long_side"))
        width = min(width, CANVAS.get("max_short_side"))
        width = max(width, CANVAS.get("min_short_side"))

    return width, height