#!/usr/bin/env python

import os
import optparse
import sys

# Add lib to path
sys.path.insert(0,os.path.abspath(os.path.join(__file__,'../../lib')))
import wizard.command

def main():
    usage = """usage: %prog [-d|--version-dir] COMMAND [ARGS]

Wizard is a Git-based autoinstall management system for scripts.

Its commands are:
    info        Reports information about an autoinstall
    migrate     Migrate autoinstalls from old format to Git-based format
    summary     Generate statistics about autoinstalls

See '%prog help COMMAND' for more information on a specific command."""

    parser = optparse.OptionParser(usage)
    parser.add_option("-d", "--version-dir", dest="version_dir",
            default="/afs/athena.mit.edu/contrib/scripts/sec-tools/store/versions",
            help="Location of parallel-find output")
    # Find the end of the "global" options
    i = 1
    try:
        while not sys.argv[i] or sys.argv[i][0] == '-':
            if sys.argv[i] == "-h" or sys.argv[i] == "--help":
                parser.print_help()
                raise SystemExit(-1)
            i += 1
    except IndexError:
        parser.print_help()
        raise SystemExit(-1)
    options, args = parser.parse_args(sys.argv[1:i+1])
    rest_argv = sys.argv[i+1:]
    command = args[0] # shouldn't fail
    if command == "help":
        try:
            getattr(wizard.command, rest_argv[0])(['-h'], options)
        except AttributeError:
            parser.error("invalid action")
        except IndexError:
            parser.print_help()
            raise SystemExit(-1)
    # Dispatch commands
    try:
        command_module = getattr(wizard.command, command)
    except AttributeError:
        parser.error("invalid action")
    command_module.main(rest_argv, options)

if __name__ == "__main__":
    main()