#!/usr/bin/env python
import sys, argparse, os
from libmproxy import proxy, console, cmdline
from libmproxy.proxy.config import process_proxy_options
from libmproxy.proxy.primitives import ProxyServerError
from libmproxy.proxy.server import DummyServer, ProxyServer
import libmproxy.version, netlib.version
from libmproxy.console import palettes


if __name__ == '__main__':
    # We don't introduce backward-incompatible changes in patch versions. Only consider major and minor version.
    if netlib.version.IVERSION[:2] != libmproxy.version.IVERSION[:2]:
        print >> sys.stderr, ("warning: You are using mitmproxy %s with netlib %s. "
                              "Most likely, that doesn't work - please upgrade!") % (libmproxy.version.VERSION,
                                                                                     netlib.version.VERSION)
    parser = argparse.ArgumentParser(usage = "%(prog)s [options]")
    parser.add_argument('--version', action='version', version=libmproxy.version.NAMEVERSION)
    cmdline.common_options(parser)
    parser.add_argument(
        "--palette", type=str, default="dark",
        action="store", dest="palette",
        help="Select color palette: " + ", ".join(palettes.palettes.keys())
    )
    parser.add_argument(
        "-e",
        action="store_true", dest="eventlog",
        help="Show event log."
    )


    group = parser.add_argument_group(
                        "Filters",
                        "See help in mitmproxy for filter expression syntax."
                    )
    group.add_argument(
        "-i", "--intercept", action="store",
        type = str, dest="intercept", default=None,
        help = "Intercept filter expression."
    )
    options = parser.parse_args()

    config = process_proxy_options(parser, options)

    if options.no_server:
        server = DummyServer(config)
    else:
        try:
            server = ProxyServer(config, options.port, options.addr)
        except ProxyServerError, v:
            print >> sys.stderr, "mitmproxy:", v.args[0]
            sys.exit(1)

    opts = console.Options(**cmdline.get_common_options(options))
    opts.eventlog = options.eventlog
    opts.intercept = options.intercept
    opts.palette = options.palette

    spec = ""
    for i in ["LANG", "LC_CTYPE", "LC_ALL"]:
        spec += os.environ.get(i, "").lower()
    if "utf" not in spec:
        print >> sys.stderr, "Error: mitmproxy requires a UTF console environment."
        print >> sys.stderr, "Set your LANG enviroment variable to something like en_US.UTF-8"
        sys.exit(1)

    m = console.ConsoleMaster(server, opts)
    try:
        m.run()
    except KeyboardInterrupt:
        pass