import os


class Map:
    def __init__(self, mappath):
        self.mappath = mappath
        self.checksum = None
        self.mapname = "Unknown map"
        self.load_map(mappath)

    def load_map(self, mappath):
        if not os.path.exists("maps/"+mappath):
            raise Exception("Map not found: "+mappath)

        if not mappath.endswith(".gck"):
            raise Exception("Server only supports GCK maps")

        self.mapname = mappath.split(".gck")[0]
        self.checksum = Map.checksum(mappath)

    @staticmethod
    def checksum(mapname):
        # TODO
        return 1