'''
An example on how to sort result returned from "p4 files".

Same concept applies to any list returned from a Perforce server. :)

$Author: lester_cheung $
$Id: //guest/lester_cheung/p4util/examples/p4files_sorted.py#1 $
'''

__version__ = '0.{0}'.format('$Change: 10729 $'.split()[-2])

import argparse
import sys
import logging
logging.basicConfig(format='%(asctime)-15s %(funcName)s.%(levelname)s %(message)s',
                    level=logging.DEBUG)


from p4util.p4cli import P4CLI as P4 # or "from P4 import P4" if you have P4Python

def parse_args():
    ap = argparse.ArgumentParser(description='MYPROG')
    p4 = P4()
    ap.add_argument('-p', '--port', metavar=p4.env('P4PORT'), default=p4.env('P4PORT'))
    ap.add_argument('-u', '--user', metavar=p4.env('P4USER'), default=p4.env('P4USER'))
    ap.add_argument('-c', '--client', metavar=p4.env('P4CLIENT'), default=p4.env('P4CLIENT'))
    ap.add_argument('-C', '--charset', metavar=p4.env('P4CHARSET'), default=p4.env('P4CHARSET'))
    ap.add_argument('-s', '--sort-by')
    ap.add_argument('-r', '--reverse-output', action='store_true', default=False)
    ap.add_argument('depot_paths', nargs='*')

    return ap.parse_args()

def get_key(obj, keyname):
    '''get value from a dictionary and cast them into the right type'''
    rv = obj.get(keyname)
    if rv and keyname in 'rev time change'.split():
        rv = int(rv)
    return rv

def main():
    log = logging.getLogger(__name__)
    cfg = parse_args()
    log.debug(cfg)
    p4 = P4()
    p4.prog = __file__

    if cfg.user:
        p4.user = cfg.user
    if cfg.port:
        p4.port = cfg.port
    if cfg.client:
        p4.client = cfg.client
    if cfg.charset:
        p4.charset = cfg.charset

    p4.connect()

    ## YOUR PROG HERE
    from pprint import pformat, pprint
    # log.info(pformat(p4.run_info()))

    rv = p4.run_files(cfg.depot_paths)
    # print(rv)
    if cfg.sort_by:
        rv.sort(key=lambda x: get_key(x, cfg.sort_by), reverse=cfg.reverse_output)
    # pprint(rv)
    for x in rv:
        print(x)
    p4.disconnect()

if __name__ == '__main__':
    main()