#!/usr/bin/env python
# encoding: utf-8
# custom hooks for application
# Copyright (C) 2009-2010 Marcin Kuzminski <marcin@python-works.com>
#
# 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; version 2
# of the License or (at your opinion) any later version of the license.
# 
# 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, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
# MA  02110-1301, USA.
"""
Created on Aug 6, 2010

@author: marcink
"""
from mercurial.cmdutil import revrange
from mercurial.node import nullrev
from rhodecode.lib import helpers as h
from rhodecode.lib.utils import action_logger
import os
import sys

def repo_size(ui, repo, hooktype=None, **kwargs):

    if hooktype != 'changegroup':
        return False
    size_hg, size_root = 0, 0
    for path, dirs, files in os.walk(repo.root):
        if path.find('.hg') != -1:
            for f in files:
                size_hg += os.path.getsize(os.path.join(path, f))
        else:
            for f in files:
                size_root += os.path.getsize(os.path.join(path, f))
                
    size_hg_f = h.format_byte_size(size_hg)
    size_root_f = h.format_byte_size(size_root)
    size_total_f = h.format_byte_size(size_root + size_hg)
    sys.stdout.write('Repository size .hg:%s repo:%s total:%s\n' \
                     % (size_hg_f, size_root_f, size_total_f))
    
def log_pull_action(ui, repo, **kwargs):
    """
    Logs user last pull action
    :param ui:
    :param repo:
    """
        
    extra_params = dict(repo.ui.configitems('rhodecode_extras'))
    username = extra_params['username']
    repository = extra_params['repository']
    action = 'pull'
       
    action_logger(username, action, repository, extra_params['ip'])
    
    return 0

def log_push_action(ui, repo, **kwargs):
    """
    Maps user last push action to new changeset id, from mercurial
    :param ui:
    :param repo:
    """
    
    extra_params = dict(repo.ui.configitems('rhodecode_extras'))
    username = extra_params['username']
    repository = extra_params['repository']
    action = 'push:%s'
    node = kwargs['node']
    
    def get_revs(repo, rev_opt):
        if rev_opt:
            revs = revrange(repo, rev_opt)
            
            if len(revs) == 0:
                return (nullrev, nullrev)
            return (max(revs), min(revs))
        else:
            return (len(repo) - 1, 0)
    
    stop, start = get_revs(repo, [node + ':'])
    
    revs = (str(repo[r]) for r in xrange(start, stop + 1))
    
    action = action % ','.join(revs)
        
    action_logger(username, action, repository, extra_params['ip'])
    
    return 0