# 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 os

import sys

import stat

import argparse

import fileinput

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

def argparser(argv):

    usage = (

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

      "[filename or stdin use - for terminal stdin ]\n"

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

    )

    parser = argparse.ArgumentParser(description='RhodeCode Gist 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('--save-config', action='store_true',

                       help='save the given config into a file')

    group = parser.add_argument_group('GIST')

    group.add_argument('-p', '--private', action='store_true',

    group.add_argument('-d', '--description', help='Gist description')

    group.add_argument('-l', '--lifetime', metavar='MINUTES',

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

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

            default=FORMAT_PRETTY

    )

    args, other = parser.parse_known_args()

    return parser, args, other

def _run(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']

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

    DEFAULT_FILENAME = 'gistfile1.txt'

    if other:

        # skip multifiles for now

        filename = other[0]

        if filename == '-':

            filename = DEFAULT_FILENAME

            gist_content = ''

                gist_content += line

        else:

            with open(filename, 'rb') as f:

                gist_content = f.read()

    else:

        filename = DEFAULT_FILENAME

        gist_content = None

        # little bit hacky but cross platform check where the

        # stdin comes from we skip the terminal case it can be handled by '-'

        mode = os.fstat(0).st_mode

        if stat.S_ISFIFO(mode):

            # "stdin is piped"

            gist_content = sys.stdin.read()

        elif stat.S_ISREG(mode):

            # "stdin is redirected"

            gist_content = sys.stdin.read()

        else:

            # "stdin is terminal"

            pass

    # make sure we don't upload binary stuff

    if gist_content and '\0' in gist_content:

        raise Exception('Error: binary files upload is not possible')

            files=files

        )

        json_data = api_call(apikey, host, 'create_gist', **margs)['result']

        if args.format == FORMAT_JSON:

            print json.dumps(json_data)

        elif args.format == FORMAT_PRETTY:

            print 'Created %s gist %s' % (json_data['gist_type'],

                                          json_data['gist_url'])

    return 0

def main(argv=None):

    """

    Main execution function for cli

    :param argv:

    """

    if argv is None:

        argv = sys.argv

    try:

        return _run(argv)

    except Exception, e:

        print e

        return 1

if __name__ == '__main__':

    sys.exit(main(sys.argv))