#
# SizeLogger.py
#
#
# Copyright (c) 2018, Perforce Software, Inc.  All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are met:
#
# 1.  Redistributions of source code must retain the above copyright
#     notice, this list of conditions and the following disclaimer.
#
# 2.  Redistributions in binary form must reproduce the above copyright
#      notice, this list of conditions and the following disclaimer in the
#     documentation and/or other materials provided with the distribution.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
# ARE DISCLAIMED. IN NO EVENT SHALL PERFORCE SOFTWARE, INC. BE LIABLE FOR ANY
# DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
# (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
# LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
# ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
# SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#
# $Id: //guest/sven_erik_knop/P4Pythonlib/triggers/SizeLogger.py#1 $
#
#
# # Simple trigger that logs the summed up size of a change
#

from __future__ import print_function

import P4Triggers
from configparser import ConfigParser
import sys
import json

P4_SECTION = 'P4'
LOG_SECTION = 'Log'
DEFAULT_LOGFILE = 'sizes.log'

NEW_CONTENT = ("add", "edit")

class SizeLoggerTrigger(P4Triggers.P4Trigger):
    def __init__(self, configFile):
        parser = ConfigParser()
        with open(configFile) as f:
            parser.read_file(f)

        kargs = {}
        if parser.has_section(P4_SECTION):
            kargs = dict(parser.items(P4_SECTION))

        P4Triggers.P4Trigger.__init__(self, **kargs)

        self.logfile = DEFAULT_LOGFILE
        if parser.has_section(LOG_SECTION):
            self.logfile = parser.get(LOG_SECTION, "logfile", fallback=DEFAULT_LOGFILE)

    def validate(self):
        data = dict()

        data["change"] = self.change.change
        data["user"] = self.change.user
        data["client"] = self.change.client
        data["timestamp"] = self.change.time.strftime("%Y-%m-%d %H:%M:%S")

        data["total_size"] = sum([ x.revisions[0].fileSize for x in self.change.files if x.revisions[0].action in NEW_CONTENT])

        with open(self.logfile, 'a+') as f:
            print(json.dumps(data), file=f)


if __name__ == '__main__':
    if len(sys.argv) < 3:
        print("Usage : {} <configfile> <change>".format(sys.argv[0]))
        sys.exit(1)

    configFile = sys.argv[1]
    change = sys.argv[2]

    trigger = SizeLoggerTrigger(configFile)
    trigger.parseChange(change)