# -*- Encoding: utf-8 -*-
###
# Copyright (c) 2006-2007 Dennis Kaarsemaker
# Copyright (c) 2008-2010 Terence Simpson
# Copyright (c) 2018-     Krytarik Raido
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of version 2 of the GNU General Public License as
# published by the Free Software Foundation.
#
# 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.
#
###

import cgi, cgitb, sys, os, re, math, codecs
import supybot.utils as utils

if sys.version_info < (3,0):
    import Cookie as cookies
else:
    import http.cookies as cookies

cgitb.enable()
form = cgi.FieldStorage()
cookie = cookies.SimpleCookie()
if 'HTTP_COOKIE' in os.environ:
    cookie.load(os.environ['HTTP_COOKIE'])

if 'sess' in cookie:
    cookie['sess']['max-age'] = 2592000 * 3
    cookie['sess']['version'] = 1
if 'tz' in cookie:
    cookie['tz']['max-age'] = 2592000 * 3
    cookie['tz']['version'] = 1

class IOWrapper:
    '''Class to wrap default IO, used with templates'''
    def __init__(self):
        self.buf = ''
    def write(self, val):
        self.buf += val
    def getvalue(self):
        return self.buf

sys.stdout = IOWrapper()
sys.stderr = IOWrapper()

def send_page(template):
    '''Sends a template page and exit'''
    data = sys.stdout.getvalue()
    errdata = sys.stderr.getvalue()

    # Ensure Unicode output
    if sys.version_info < (3,1):
        sys.stdout = codecs.getwriter('utf-8')(sys.__stdout__)
    else:
        sys.stdout = codecs.getwriter('utf-8')(sys.__stdout__.detach())

    print("Content-Type: text/html")
    print(cookie)
    print("")

    fd = open(template)
    tmpl = fd.read()
    fd.close()
    estart = tmpl.find('%e')
    sstart = tmpl.find('%s')

    if sys.version_info < (3,0):
        page = u'{}{}{}{}{}'.format(tmpl[:estart], errdata,
            tmpl[estart+2:sstart], data, tmpl[sstart+2:])
    else:
        page = '{}{}{}{}{}'.format(tmpl[:estart], errdata,
            tmpl[estart+2:sstart], data, tmpl[sstart+2:])

    print(page)
    sys.exit(0)

def q(txt):
    '''Simple HTML entity quoting'''
    return txt.replace('&','&amp;').replace('<','&lt;').replace('>','&gt;').replace('"','&quot;')