#!/usr/bin/env python3
# XXX - This code must not be in tincan.py, because the built-in class
# loader will then confuse __main__.Page and tincan.Page, and fail to
# locate the code-behind.

# I m p o r t s

import os, sys
from argparse import ArgumentParser
import logging
from tincan import launch, ENCODING

# V a r i a b l e s

MYNAME = os.path.basename(sys.argv[0])

# M a i n   P r o g r a m

parser = ArgumentParser(prog=sys.argv[0], usage="%(prog)s [options] [directory [path]]")
opt = parser.add_argument
opt("-b", "--bind", default="localhost", help="address to bind to (default: localhost)")
opt("-c", "--compile", action="store_true", help="compile .py files only; do not run a server")
opt("-d", "--debug", action="store_true", help="enable debug mode")
opt("-e", "--encoding", default=ENCODING, help="encoding to use (default {0})".format(ENCODING))
opt("-f", "--force", action="store_true", help="do not abort on errors")
opt("-p", "--port", default=8080, help="port to listen on (default: 8080)")
opt("-s", "--static", action="store_true", help="serve static files")
opt("directory", default=".", help="directory to serve", nargs='?')
opt("path", default="/", help="URL path to serve", nargs='?')
args = parser.parse_args(sys.argv[1:])

mylog = logging.getLogger(MYNAME)
mylog.addHandler(logging.StreamHandler())
mylog.setLevel(logging.DEBUG if args.debug else logging.INFO)

app, errors = launch(fsroot=args.directory, urlroot=args.path, logger=mylog,
    encoding=args.encoding, static=args.static)
if errors:
    action = "continuing" if args.force else "aborting"
    sys.stderr.write("{0}: {1} error{2} detected, {3}\n".format(
        MYNAME, errors, "" if errors == 1 else "s", action))
    if not args.force: sys.exit(1)

if not args.compile:
    app.run(host=args.bind, port=args.port)

sys.exit(1 if errors else 0)