#!/usr/bin/env python2

#Covered by GPL V2.0

import sys

from .core import Fuzzer
from .facade import Facade
from .exception import FuzzException, FuzzExceptBadInstall

from .ui.console.mvc import Controller, KeyPress, View
from .ui.console.common import help_banner2
from .ui.console.clparser import CLParser

def main():
    kb = None
    fz = None
    printer = None
    session_options = None

    try:
        # parse command line 
        session_options = CLParser(sys.argv).parse_cl().compile()
        session_options["send_discarded"] = True

        # Create fuzzer's engine
        fz = Fuzzer(session_options)

        if session_options["interactive"]:
            # initialise controller
            try:
                kb = KeyPress()
            except ImportError, e:
                raise FuzzExceptBadInstall("Error importing necessary modules for interactive mode: %s" % str(e))
            else:
                mc = Controller(fz, kb)
                kb.start()

        printer = View(session_options)
        if session_options["console_printer"]:
            printer = Facade().printers.get_plugin(session_options["console_printer"])(None)
        printer.header(fz.genReq.stats)

        for res in fz:
            printer.result(res)

        printer.footer(fz.genReq.stats)
    except FuzzException, e:
        print "\nFatal exception: %s" % str(e)
    except KeyboardInterrupt:
        print "\nFinishing pending requests..."
        if fz: fz.cancel_job()
    except NotImplementedError, e:
        print "\nFatal exception: Error importing wfuzz extensions"
    except Exception, e:
        print "\nUnhandled exception: %s" % str(e)
    finally:
        if session_options: session_options.close()
        if kb: kb.cancel_job()
        Facade().sett.save()

def main_filter():
    def usage():
        print help_banner2
        print """Usage:
\n\twfpayload [Options]\n\n
\nOptions:\n
\t--help              : This help
\t--slice <filter>    : Filter payload\'s elements using the specified expression.
\t-z payload          : Specify a payload for each FUZZ keyword used in the form of type,parameters,encoder.
\t		      A list of encoders can be used, ie. md5-sha1. Encoders can be chained, ie. md5@sha1.
\t		      Encoders category can be used. ie. url
\t--zP <params>	    : Arguments for the specified payload (it must be preceded by -z or -w).
\t-w wordlist         : Specify a wordlist file (alias for -z file,wordlist).
\t-m iterator         : Specify an iterator for combining payloads (product by default)
"""

    from .api import payload
    from .exception import FuzzExceptBadOptions
    import getopt

    try:
        opts, args = getopt.getopt(sys.argv[1:], "hz:m:w:", ["help","slice=","zP="])
    except getopt.GetoptError, err:
        print str(err)
        usage()
        sys.exit(2)

    if len(opts) == 0 or len(args) > 0:
        usage()
        sys.exit()


    for o, value in opts:
        if o in ("-h", "--help"):
            usage()
            sys.exit()

    try:
        for res in payload(**CLParser(sys.argv).parse_cl()):
            if len(res) > 1:
                raise FuzzExceptBadOptions("wfpayload can only be used to generate one word dictionaries")
            else:
                r = res[0]

            if "FuzzResult" in str(r.__class__):
                r._description = r.url

            print r

    except KeyboardInterrupt:
        pass
    except FuzzException, e:
        print "\nFatal exception: %s" % str(e)
    except Exception, e:
        print "\nUnhandled exception: %s" % str(e)


def main_encoder():
    def usage():
        print help_banner2
        print "Usage:"
        print "\n\twfencode --help This help"
        print "\twfencode -d decoder_name string_to_decode"
        print "\twfencode -e encoder_name string_to_encode"
        print

    from .api import encode, decode
    import getopt

    try:
        opts, args = getopt.getopt(sys.argv[1:], "he:d:", ["help"])
    except getopt.GetoptError, err:
        print str(err)
        usage()
        sys.exit(2)

    if len(args) == 0:
        usage()
        sys.exit()

    try:
        for o, value in opts:
            if o == "-e":
                print encode(value, args[0])
            elif o == "-d":
                print decode(value, args[0])
            elif o in ("-h", "--help"):
                usage()
                sys.exit()
    except IndexError, e:
        usage()
        print "\nFatal exception: Specify a string to encode or decode.\n"
        sys.exit()
    except AttributeError, e:
        print "\nEncoder plugin missing encode or decode functionality."
    except FuzzException, e:
        print "\nFatal exception: %s" % str(e)

def main_gui():
    import wx
    from .ui.gui.guicontrols import WfuzzFrame
    from .ui.gui.controller import GUIController
    from .ui.gui.model import GUIModel

    app = wx.App(False)

    frame = WfuzzFrame(None, wx.ID_ANY, "WFuzz wxPython Console", size=(750, 590))
    gc = GUIController(frame)

    frame.Show()
    app.MainLoop()
