# ../core/logs/__init__.py

'''
$Rev: 571 $
$LastChangedBy: satoon101 $
$LastChangedDate: 2011-10-24 01:05:16 -0400 (Mon, 24 Oct 2011) $
'''

# =============================================================================
# >> IMPORTS
# =============================================================================
# Python Imports
from __future__ import with_statement
from time import strftime
import sys
import traceback
import gamethread

# Eventscripts Imports
import es

# GunGame Imports
from gungame51.core import get_game_dir
from gungame51.core.addons.shortcuts import AddonInfo
from gungame51.core import gungame_info
from gungame51.core import get_os

# =============================================================================
# >> GLOBAL VARIABLES
# =============================================================================
# Server Vars
spe_version_var = es.ServerVar('spe_version')
eventscripts_ver = es.ServerVar('eventscripts_ver')
es_corelib_ver = es.ServerVar('es_corelib_ver')
ip = es.ServerVar('ip')
port = es.ServerVar('hostport')
metamod_version = es.ServerVar('metamod_version')
sourcemod_version = es.ServerVar('sourcemod_version')
mani_admin_plugin_version = es.ServerVar('mani_admin_plugin_version')
est_version = es.ServerVar('est_version')

# Other vars
file_name = get_game_dir('cfg/gungame51/logs' +
              '/GunGame%s_Log.txt' % gungame_info('version').replace('.', '_'))

file_created = False

OS = get_os()


# =============================================================================
# >> TRACEBACK EVENT
# =============================================================================
def gungame_except_hook(tb_type, value, trace_back, mute_console=False):
    # If this error was called to stop an attribute from being set, do not log
    # it.
    if str(value) == "gg_cancel_callback":
        return

    tb = traceback.format_exception(tb_type, value, trace_back)

    # If not a gungame error, send to ES and return
    if 'gungame51' not in str(tb).lower():
        es.excepter(tb_type, value, trace_back)
        return

    # Format the traceback
    for i in range(len(tb)):

        # Remove long file names ?
        if tb[i].strip().startswith('File "'):
            tb[i] = (tb[i].replace(tb[i][(tb[i].find('File "') +
                    6):tb[i].find('eventscripts')], '../')).replace('\\', '/')
    tb[-2] = tb[-2] + '\n'

    # turn tb into a string
    tb = reduce((lambda a, b: a + b), tb)

    # Is the length under 255 chars?
    if len(tb) < 255:
        db_tb = [tb]

    # Length over 255 chars
    else:
        db_tb = [x.strip() for x in tb.split('\n') if x != '']

    # Print traceback to console?
    if not mute_console:
        es.dbgmsg(0, ' \n')
        es.dbgmsg(0, '# ' + '=' * 48)
        es.dbgmsg(0, '# >>' + 'GunGame 5.1 Exception Caught!'.rjust(50))
        es.dbgmsg(0, '# ' + '=' * 48)

        # Divide up for 255 line limit
        for db_line in db_tb:
            es.dbgmsg(0, db_line)

        es.dbgmsg(0, '# ' + '=' * 48)
        es.dbgmsg(0, ' \n')

    # Does the log file exist yet?
    if not file_created:
        gamethread.delayed(5, gungame_except_hook,
                        (tb_type, value, trace_back, True))
        return

    # Use Log File
    with file_name.open('r+') as log_file:

        # Get contents
        log_contents = log_file.read()

        # Look for duplicate error
        find_error_index = log_contents.find(tb)

        # File has no duplicate error ?
        if find_error_index == -1:

            # Error template
            error_format = ['-=' * 39 + '-\n', (('LAST EVENT: ' +
                        '%s' % strftime('[%m/%d/%Y @ %H:%M:%S]')) + ' ' * 9 +
                        ' TOTAL OCCURENCES: [0001]').center(79) + '\n',
                        '-=' * 39 + '-\n', '\n', tb, '\n', '\n']

            # No duplicate, appending to end of file
            '''
            For some reason we get an error if we do not read again here
            if someone knows why, please let me know!
                - Monday
            '''
            log_file.read()
            log_file.writelines(error_format)

        else:
            # Go to the back to the begining of the file
            log_file.seek(0)

            # Increase occurence count
            error_count = (int(log_contents[(find_error_index - 92):
                (find_error_index - 88)]) + 1)

            # Write change w/ new date and occurence count
            log_file.write(log_contents[:(find_error_index - 241)] +
            log_contents[(find_error_index + len(tb) + 2):] + '-=' * 39 +
                '-\n' + (('LAST EVENT: ' + '%s' % strftime(
                '[%m/%d/%Y @ %H:%M:%S]')) + ' ' * 9 + ' TOTAL OCCURENCES:' +
                ' [%04i]' % error_count).center(79) + '\n' +
                '-=' * 39 + '-\n\n' + tb + '\n\n')


# =============================================================================
# >> CREATE THE LOG FILE
# =============================================================================
def make_log_file():
    # Log file header
    header = ['*' * 79 + '\n', '*' + ' ' * 77 + '*\n',
              '*' + 'GUNGAME v5.1 ERROR LOGGING'.center(77) + '*' + '\n',
              '*' + 'HTTP://FORUMS.GUNGAME.NET/'.center(77) + '*\n',
              '*' + ' ' * 77 + '*\n',
              ('*' + 'GG VERSION: '.rjust(19) +
                gungame_info('version').ljust(19) + 'IP: '.rjust(19) +
                str(ip).upper().ljust(15) + ' ' * 5 + '*\n'),
              ('*' + 'SPE VERSION: '.rjust(19) +
                str(spe_version_var).ljust(19) +
                'PORT: '.rjust(19) + str(port).ljust(15) + ' ' * 5 + '*\n'),
              ('*' + 'PLATFORM: '.rjust(19) + str(OS).upper().ljust(19) +
                'DATE: '.rjust(19) + strftime('%m-%d-%Y').ljust(15) +
                ' ' * 5 + '*\n'), ('*' + 'ES VERSION: '.rjust(19) +
               str(eventscripts_ver).ljust(19) +
               'ES CORE VERSION: '.rjust(19) + str(es_corelib_ver).ljust(15) +
               ' ' * 5 + '*\n'), ('*' + 'MM VERSION: '.rjust(19) +
               str(metamod_version).ljust(19) + 'SM VERSION: '.rjust(19) +
               str(sourcemod_version).ljust(15) + ' ' * 5 + '*\n'),
               ('*' + 'MANI VERSION: '.rjust(19) +
               str(mani_admin_plugin_version).ljust(19) +
               'EST VERSION: '.rjust(19) + str(est_version).ljust(15) +
               ' ' * 5 + '*\n'),
               '*' + ' ' * 77 + '*\n', '*' * 79 + '\n', '\n', '\n']

    # Does the file allready exists ?
    if file_name.isfile():

        # Read the file
        with file_name.open() as log_file:

            readlines = log_file.readlines()

        # Does the header match ?
        for i in range(len(header)):
            if readlines[i] != header[i]:
                if i == 7 and header[7][20:39] == readlines[7][20:39]:
                    continue
                break

        # Header matched, use this file
        else:
            return

        # Find a new file name for the old file
        n = 0

        while True:
            n += 1
            new_file_name = (get_game_dir('cfg/gungame51/logs') +
                '/GunGame%s' % gungame_info('version').replace('.', '_') +
                '_Log_Old[%01i].txt' % n)
            if not new_file_name.isfile():
                break

        # Make new file w/ old errors
        with new_file_name.open('w') as log_file:
            log_file.writelines(readlines)

    # Start new log file
    with file_name.open('w') as log_file:
        log_file.writelines(header)

    global file_created
    file_created = True

# Trackback hook
sys.excepthook = gungame_except_hook