import yaml
import errno

class Config(object):
    def __init__(self, engine, gui, message):
        try:
            self.config_file = open("config", "r")
            self.data = yaml.load(self.config_file)
        except IOError, e:
            print "Dropping into developer mode due to missing or invalid config file"
            gui.enable()
            engine.set_debug(True)
            message.set_debug(True)
            self.data['timeout'] = 10.0
            self.data['status_target'] = 'http://10.8.0.171:8000/status'

        if not hasattr(self.data, 'gui') or self.data['gui']:
            gui.enable()

        debug = hasattr(self.data, 'debug') and self.data['debug']
        engine.set_debug(debug)
        message.set_debug(debug)

    def save(self):
        self.config_file = open(self.config_file.name, "w")
        json.dump(self.config, self.config_file)
        self.config_file.close()

    def set_active_rect(self, rect):
        self.config['active_rect'] = rect

    def set_perspective_points(self, points):
        self.config['perspective_points'] = points

    def set_status_target(self, status_url):
        self.config['status_target'] = status_url

    def set_image_target(self, image_url):
        self.config['image_url'] = image_url