#!/usr/bin/env python

import argparse

import requests

import os

from sqlalchemy.exc import SQLAlchemyError

if 'PAGURE_CONFIG' not in os.environ \

        and os.path.exists('/etc/pagure/pagure.cfg'):

    print 'Using configuration file `/etc/pagure/pagure.cfg`'

    os.environ['PAGURE_CONFIG'] = '/etc/pagure/pagure.cfg'

import pagure

def get_poc_of_pkgs(debug=False):

    """ Retrieve a dictionary giving the point of contact of each package

    in pkgdb.

    """

    if debug:

        print 'Querying pkgdb'

    PKGDB_URL = 'https://admin.fedoraproject.org/pkgdb/api/'

    req = requests.get(PKGDB_URL + 'bugzilla').text

    if debug:

        print 'Pkgdb data retrieved, getting POC'

    pkgs = {}

    for line in req.split('\n'):

        line = line.strip()

        if not line or line.startswith('#'):

            continue

        line = line.split('|')

        if len(line) < 4:

            continue

        pkgs[line[1]] = line[3]

    return pkgs

def main(folder, debug=False):

    """

    Logic:

    - Query the list of maintainer/PoC from pkgdb

    - Browse the directory

    - For each git in the directory, create the project with the correct POC

    """

    pocs = get_poc_of_pkgs(debug=debug)

    if debug:

        print 'Adding the user to the DB'

    for user in sorted(set(pocs.values())):

        if debug:

            print user

        try:

            pagure.lib.set_up_user(

                session=pagure.SESSION,

                username=user,

                fullname=user,

                default_email='%s@fedoraproject.org' % user,

                keydir=pagure.APP.config.get('GITOLITE_KEYDIR', None),

            )

            pagure.SESSION.commit()

        except SQLAlchemyError as err:

            pagure.SESSION.rollback()

            print 'ERROR with user %s' % user

            print err

    for project in sorted(os.listdir(folder)):

        if debug:

            print project

        if not project.endswith('.git'):

            if debug:

                print '  -skip: not a git repository'

            continue

        if project.split('.git')[0] not in pocs:

            if debug:

                print '  -skip: no pocs'

            continue

        try:

            name = project.split('.git')[0]

            pagure.lib.new_project(

                session=pagure.SESSION,

                user=pocs[name],

                name=name,

                blacklist=pagure.APP.config['BLACKLISTED_PROJECTS'],

                gitfolder=pagure.APP.config['GIT_FOLDER'],

                docfolder=pagure.APP.config['DOCS_FOLDER'],

                ticketfolder=pagure.APP.config['TICKETS_FOLDER'],

                requestfolder=pagure.APP.config['REQUESTS_FOLDER'],

            )

            pagure.SESSION.commit()

        except pagure.exceptions.PagureException as err:

            print 'ERROR with project %s' % project

            print err

        except SQLAlchemyError as err:  # pragma: no cover

            pagure.SESSION.rollback()

            print 'ERROR (DB) with project %s' % project

            print err

if __name__ == '__main__':

    parser = argparse.ArgumentParser(

        description='Script creating projects on pagure based on the git '

        'repos present in the specified folder and the pkgdb information.'

    )

    parser.add_argument(

        'folder',

        help='Folder containing all the git repos of the projects to create')

    parser.add_argument(

        '--debug', dest='debug', action='store_true', default=False,

        help='Print the debugging output')

    args = parser.parse_args()

    main(args.folder, debug=args.debug)