#!/usr/bin/env python3
import os, sys
import http, cgi
import glob
import datetime
import funct
import sql
from jinja2 import Environment, FileSystemLoader
env = Environment(loader=FileSystemLoader('templates/'))
template = env.get_template('logs.html')
form = cgi.FieldStorage()

if form.getvalue('grep') is None:
	grep = ""
else:
	grep = form.getvalue('grep')
	
if form.getvalue('rows') is None:
	rows = 10
else:
	rows = form.getvalue('rows')

print('Content-type: text/html\n')
funct.check_login()
funct.page_for_admin()

log_path = funct.get_config_var('main', 'log_path')
time_storage = sql.get_setting('log_time_storage')
time_storage = int(time_storage)

try:
	time_storage_hours = time_storage * 24
	for dirpath, dirnames, filenames in os.walk(log_path):
		for file in filenames:
			curpath = os.path.join(dirpath, file)
			file_modified = datetime.datetime.fromtimestamp(os.path.getmtime(curpath))
			if datetime.datetime.now() - file_modified > datetime.timedelta(hours=time_storage_hours):
				os.remove(curpath)
except:
	print('<center><div class="alert alert-danger" style="margin: 0; margin-bottom: 10px;">Can\'t delete old logs file. <br> Please check "log_time_storage" in config and <br>exist directory </div></center>')
	pass
	
try:
	cookie = http.cookies.SimpleCookie(os.environ.get("HTTP_COOKIE"))
	user_id = cookie.get('uuid')
	user = sql.get_user_name_by_uuid(user_id.value)
	token = sql.get_token(user_id.value)
except:
	pass
	
try: 
	current_ver = funct.check_ver()
except:
	pass
	
def get_files():
	file = []
	for files in glob.glob(os.path.join(log_path,'*.log*')):
		file += [(files.split('/')[5], files.split('/')[5])]
	return sorted(file, reverse=True)

selects = get_files()
selects.append(['haproxy-wi.error.log','error.log'])
selects.append(['haproxy-wi.access.log','access.log'])
output_from_parsed_template = template.render(h2 = 1,
												autorefresh = 1, 
												title = "View logs",
												role = sql.get_user_role_by_uuid(user_id.value),
												user = user,
												onclick = "viewLogs()",
												serv = form.getvalue('viewlogs'),
												select_id = "viewlogs",
												selects = selects,
												rows = rows,
												grep = grep,
												current_ver = current_ver,
												token = token)										
print(output_from_parsed_template)