"""
This file defines cache, session, and translator T object for the app
These are fixtures that every app needs so probably you will not be editing this file
"""

import logging
import os
import sys

# used to validate hcapcha response
import requests
from pydal.tools.tags import Tags

from py4web import DAL, Cache, Field, Flash, Session, Translator, action
from py4web.utils.auth import Auth
from py4web.utils.downloader import downloader
from py4web.utils.factories import ActionFactory
from py4web.utils.mailer import Mailer

from . import settings

# #######################################################
# implement custom loggers form settings.LOGGERS
# #######################################################
logger = logging.getLogger("py4web:" + settings.APP_NAME)
formatter = logging.Formatter(
    "%(asctime)s - %(levelname)s - %(filename)s:%(lineno)d - %(message)s"
)
for item in settings.LOGGERS:
    level, filename = item.split(":", 1)
    if filename in ("stdout", "stderr"):
        handler = logging.StreamHandler(getattr(sys, filename))
    else:
        handler = logging.FileHandler(filename)
    handler.setFormatter(formatter)
    logger.setLevel(getattr(logging, level.upper(), "DEBUG"))
    logger.addHandler(handler)

# #######################################################
# create required folders
# #######################################################

for folder in [settings.DB_FOLDER, settings.T_FOLDER, settings.UPLOAD_FOLDER]:
    if not os.path.exists(folder):
        os.mkdir(folder)

# #######################################################
# connect to db
# #######################################################
db = DAL(
    settings.DB_URI,
    folder=settings.DB_FOLDER,
    pool_size=settings.DB_POOL_SIZE,
    migrate=settings.DB_MIGRATE,
    fake_migrate=settings.DB_FAKE_MIGRATE,
)

# #######################################################
# define global objects that may or may not be used by the actions
# #######################################################
cache = Cache(size=1000)
T = Translator(settings.T_FOLDER)
flash = Flash()

# #######################################################
# pick the session type that suits you best
# #######################################################
if settings.SESSION_TYPE == "cookies":
    session = Session(secret=settings.SESSION_SECRET_KEY)
elif settings.SESSION_TYPE == "redis":
    import redis

    host, port = settings.REDIS_SERVER.split(":")
    # for more options: https://github.com/andymccurdy/redis-py/blob/master/redis/client.py
    conn = redis.Redis(host=host, port=int(port))
    conn.set = (
        lambda k, v, e, cs=conn.set, ct=conn.ttl: cs(k, v, ct(k))
        if ct(k) >= 0
        else cs(k, v, e)
    )
    session = Session(secret=settings.SESSION_SECRET_KEY, storage=conn)
elif settings.SESSION_TYPE == "memcache":
    import time

    import memcache

    conn = memcache.Client(settings.MEMCACHE_CLIENTS, debug=0)
    session = Session(secret=settings.SESSION_SECRET_KEY, storage=conn)
elif settings.SESSION_TYPE == "database":
    from py4web.utils.dbstore import DBStore

    session = Session(secret=settings.SESSION_SECRET_KEY, storage=DBStore(db))

# #######################################################
# Instantiate the object and actions that handle auth
# #######################################################
auth = Auth(session, db, define_tables=False)
auth.use_username = True
auth.param.registration_requires_confirmation = settings.VERIFY_EMAIL
auth.param.registration_requires_approval = settings.REQUIRES_APPROVAL
auth.allowed_actions = ["all"]
auth.login_expiration_time = 3600
auth.password_complexity = {"entropy": 50}
auth.block_previous_password_num = 3
auth.define_tables()

# #######################################################
# Configure email sender for auth
# #######################################################
if settings.SMTP_SERVER:
    auth.sender = Mailer(
        server=settings.SMTP_SERVER,
        sender=settings.SMTP_SENDER,
        login=settings.SMTP_LOGIN,
        tls=settings.SMTP_TLS,
        ssl=settings.SMTP_SSL,
    )

# #######################################################
# Create a table to tag users as group members
# #######################################################
if auth.db:
    groups = Tags(db.auth_user, "groups")

# #######################################################
# Enable authentication
# #######################################################
auth.enable(uses=(session, T, db), env=dict(T=T))

# #######################################################
# Define convenience decorators
# #######################################################
unauthenticated = ActionFactory(db, session, T, flash, auth)
authenticated = ActionFactory(db, session, T, flash, auth.user)