import re

#
# Request
#
class Request(object):
    def __init__(self, request_str):
        request_str_lines = request_str.split("\r\n")
        first_line = request_str_lines[0].split(" ")
        settings_lines = map(lambda line:line.split(": "), request_str_lines[1:-2])

        self.http_version = first_line[2][-3:]
        self.method = first_line[0]
        self.path = first_line[1]
        self.settings = {setting[0]:setting[1] for setting in settings_lines}

#
# Response
#
class Response(object):
    def __init__(self, http_version):
        self.text = "HTTP/%s {http_code} OK\r\nContent-Type: {content_type}\r\nContent-Length: {content_length}\r\n\r\n" % http_version

#
# Route
#
class Route(object):
    # TODO: Allow paths to be list or tuple not just list
    def __init__(self, paths, output, content_type):
        self.content_type = content_type
        self.paths = map(lambda p:str(p),paths) if type(paths) is list else [str(paths)]
        self.output = output

    def has_path(self, path_needle):
        path_needle = str(path_needle)
        for path in self.paths:
            if compare_paths(path, path_needle):
                return True
        return False

def compare_paths(first, second):
    if first == second:
        return True
    else:
        return bool(re.match(first+"/", second+"/"))
    return False

#
# handle_request() returns None
# TODO: Make this function not suck
#
def handle_request(client, address, routes):
    request = Request(client.recv(512))
    response = Response(request.http_version)

    for route in routes[request.method.upper()]:
        if route.has_path(request.path):
            output_str = str(route.output(request))
            response.text = response.text.format(http_code="200", content_type=route.content_type, content_length=len(output_str))
            response.text = str().join([response.text, output_str])
            break
    else:
        response.text = response.text.format(http_code="404", content_type="text/plain", content_length="13")
        response.text = str().join([response.text, "404 Not Found"])

    client.send(response.text)
    client.close()