import argparse
import logging
import os.path
import sys

import webhttp.server
import webhttp.weblogging

# Create and start the HTTP Server
# Use `python webserver.py --help` to display command line options
if __name__ == '__main__':
    # Parse command line arguments
    parser = argparse.ArgumentParser(description="HTTP Server")
    parser.add_argument('-c', '--config', type=str, default='~/.webpy.ini',
            help='configuration file')
    
    parser.add_argument('-a', '--address', type=str, default=None,
            help='address to listen on (default localhost)')
    parser.add_argument('-p', '--port', type=int, default=None,
            help='port to listen on (no default)')
    parser.add_argument('-t', '--timeout', type=int, default=None,
            help='timeout for incoming connections (no default)')

    parser.add_argument('-l', '--log', type=str, default='info',
            help='log level (debug, info, warning, error, critical)')
    parser.add_argument('-lf', '--log-file', type=str, default=None,
            help='log file (default stdout)')
    
    args = parser.parse_args()

    # Logging
    fmt = '[%(asctime)s] %(levelname)s %(message)s'
    logging.basicConfig(format=fmt, level=getattr(logging, args.log.upper()))
    if args.log_file != None:
        logger = logging.getLogger(webhttp.weblogging.name)
        handler = logging.FileHandler(args.log_file)
        handler.setLevel(getattr(logging, args.log.upper()))
        logger.addHandler(handler)

    # Start server
    config = os.path.expanduser(os.path.expandvars(args.config))
    server = webhttp.server.Server(configfile=config,
            hostname=args.address, port=args.port, timeout=args.timeout)
    try:
        server.run()
    except KeyboardInterrupt:
        server.shutdown()
        print ("")