#!/usr/bin/env python
# -*- coding: utf-8 -*-

# Copyright (c) 2009, 2010, 2012 Kaliko Jack <kaliko.jack@azylum.org>
#
#   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/>.
#


import sys


from datetime import timedelta


from lib.goodies import Goodie


NAME = 'mtime'
VERSION = '0.1'

NALBUM_OPTS = list([
    {
        'sw': ['-r', '--remaining'],
        'action': 'store_true',
        'dest': 'remaining',
        'metavar': 'r',
        'help': 'print remaining play time (only relevant when paused or playing).'},
    {
        'sw': ['-H', '--human'],
        'action': 'store_true',
        'dest': 'human',
        'metavar': 'h',
        'help': 'print duration in human readable format.'},
    ])


class Nalbum(Goodie):
    """
    """
    script_info = dict({
        'version': VERSION,
        'prog_name': NAME,
        'description': 'Print current playlist duration.',
        })

    def __init__(self):
        """"""
        Goodie.__init__(self, self.__class__.script_info,
                extra_options=NALBUM_OPTS)
        self._run()

    def _print_time(self, duration):
        if self.cli_options.human:
            print(timedelta(seconds=duration))
        else:
            print(duration)

    def _run(self):
        """"""
        self.mpdConnect()
        status = self.client.status()
        plinfo = self.client.playlistinfo()
        total_time = 0
        if self.cli_options.remaining:
            if status.get('state') in ['play', 'pause']:
                total_time = sum(int(trk.get('time')) for trk in plinfo if int(trk.get('pos')) > int(status.get('song')))
                # add remaining time from current song
                curr_elapsed = status.get('time').split(':')
                total_time += int(curr_elapsed[1]) - int(curr_elapsed[0])
        else:
            total_time = sum(int(trk.get('time')) for trk in plinfo)
        self._print_time(total_time)
        self.client.disconnect()
        sys.exit(0)


# Script starts here
if __name__ == '__main__':
    try:
        Nalbum()
    except KeyboardInterrupt:
        sys.stdout.write('exit')

# VIM MODLINE
# vim: ai ts=4 sw=4 sts=4 expandtab