#!/usr/bin/python3
from MgaRepo import Error, plugins, config
from MgaRepo.command import *
import getopt
import sys

VERSION="1.14.4"

HELP = """\
Usage: mgarepo COMMAND [COMMAND ARGUMENTS]

Tool to access and manage a package repository structure.

Useful commands:
    co            checkout a package
    ci            commit changes
    sync          add-remove all file changes from the .spec
    submit        submit a package for build
    putsrpm       import a source package to the repository
    getspec       print the spec
    rpmlog        print the RPM changelog
    editlog       edit the log of a commit in editor
    getsrpm       create the source RPM
    maintdb       interact with the maintainer db
    create        create the structure of a new package
    changed       show changes not submitted
    authoremail   print the e-mail of a given author
    switch        relocate to mirror or upstream repository
    markrelease   create a tag for a given package revision and version
    upload        add a file to binrepo
    del           remove a file from binrepo
    up            update the working copy and synchronize all binaries
    obsolete      move a package in obsolete directory

Run "mgarepo COMMAND --help" and "man 8 mgarepo" for more information.

Written by Gustavo Niemeyer <gustavo@niemeyer.net>
"""

command_aliases = {"import": "putsrpm", "commit": "ci", "checkout": "co"}

def plugin_help(opt, val, parser, mode):
    if parser is None:
        prog = sys.argv[0]
        print("Use %s --help-plugin <plugin name>" % prog)
        print("Available plugins:")
        print()
        for name in plugins.list():
            print(name)
    else:
        print(plugins.help(parser))
    raise SystemExit

def parse_options():
    parser = OptionParser(help=HELP, version="%prog "+VERSION)
    parser.disable_interspersed_args()
    parser.add_option("--debug", action="store_true")
    parser.add_option("--help-plugins", action="callback", callback=plugin_help)
    parser.add_option("--help-plugin", type="string", dest="__ignore",
            action="callback", callback=plugin_help)
    opts, args = parser.parse_args()
    del opts.__ignore
    if len(args) < 1:
        parser.print_help(sys.stderr)
        sys.exit(1)
    opts.command = args[0]
    opts.argv = args
    return opts

def dispatch_command(command, argv, debug=0):
    sys.argv = argv
    try:
        command = command_aliases[command]
    except KeyError:
        pass
    if debug:
        config.set("global", "verbose", "yes")
    try:
        repsys_module = __import__("MgaRepo.commands."+command)
        commands_module = getattr(repsys_module, "commands")
        command_module = getattr(commands_module, command)
    except (ImportError, AttributeError):
        etype, exc, tb = sys.exc_info()
        if tb.tb_next is None and not debug:
            raise Error("invalid command '%s'" % command)
        raise
    command_module.main()
    
if __name__ == "__main__":
    try:
        plugins.load()
    except Error as e:
        sys.stderr.write("plugin initialization error: %s\n" % e)
        sys.exit(1)
    config.set("global", "mgarepo-cmd", sys.argv[0])
    do_command(parse_options, dispatch_command)

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