"""

# This program is free software: you can redistribute it and/or modify

# it under the terms of the GNU General Public License as published by

# the Free Software Foundation, either version 3 of the License, or

# (at your option) any later version.

#

# This program is distributed in the hope that it will be useful,

# but WITHOUT ANY WARRANTY; without even the implied warranty of

# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

# GNU General Public License for more details.

#

# You should have received a copy of the GNU General Public License

# along with this program.  If not, see <http://www.gnu.org/licenses/>.

from __future__ import with_statement

import sys

import argparse

from rhodecode.bin.base import json, api_call, RcConf, FORMAT_JSON, FORMAT_PRETTY

def argparser(argv):

    usage = (

      "rhodecode-api [-h] [--format=FORMAT] [--apikey=APIKEY] [--apihost=APIHOST] "

      "[--config=CONFIG] [--save-config] "

      "METHOD <key:val> <key2:val> ...\n"

      "Create config file: rhodecode-gist --apikey=<key> --apihost=http://rhodecode.server --save-config"

    )

    parser = argparse.ArgumentParser(description='RhodeCode API cli',

                                     usage=usage)

    ## config

    group = parser.add_argument_group('config')

    group.add_argument('--apikey', help='api access key')

    group.add_argument('--apihost', help='api host')

    group.add_argument('--config', help='config file')

    group.add_argument('--save-config', action='store_true', help='save the given config into a file')

    group = parser.add_argument_group('API')

    group.add_argument('method', metavar='METHOD', nargs='?', type=str, default=None,

            help='API method name to call followed by key:value attributes',

    )

    group.add_argument('--format', dest='format', type=str,

            help='output format default: `%s` can '

                 'be also `%s`' % (FORMAT_PRETTY, FORMAT_JSON),

            default=FORMAT_PRETTY

    )

    args, other = parser.parse_known_args()

    return parser, args, other

def main(argv=None):

    """

    Main execution function for cli

    :param argv:

    """

    if argv is None:

        argv = sys.argv

    conf = None

    parser, args, other = argparser(argv)

    api_credentials_given = (args.apikey and args.apihost)

    if args.save_config:

        if not api_credentials_given:

            raise parser.error('--save-config requires --apikey and --apihost')

        conf = RcConf(config_location=args.config,

                      autocreate=True, config={'apikey': args.apikey,

                                               'apihost': args.apihost})

        sys.exit()

    if not conf:

        conf = RcConf(config_location=args.config, autoload=True)

        if not conf:

            if not api_credentials_given:

                parser.error('Could not find config file and missing '

                             '--apikey or --apihost in params')

    apikey = args.apikey or conf['apikey']

    apihost = args.apihost or conf['apihost']

    method = args.method

    # if we don't have method here it's an error

    if not method:

        parser.error('Please specify method name')

    try:

        margs = dict(map(lambda s: s.split(':', 1), other))

    except Exception:

        sys.stderr.write('Error parsing arguments \n')

        sys.exit()

    if args.format == FORMAT_PRETTY:

        print 'Calling method %s => %s' % (method, apihost)

    if args.format == FORMAT_JSON:

        print json.dumps(json_data)

    elif args.format == FORMAT_PRETTY:

        print 'Server response \n%s' % (

                json.dumps(json_data, indent=4, sort_keys=True))

    return 0

if __name__ == '__main__':

    sys.exit(main(sys.argv))