# coding=UTF-8
# Author: Dennis Lutter <lad1337@gmail.com>
# URL: http://code.google.com/p/sickbeard/
#
# This file is part of SickGear.
#
# SickGear is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# SickGear 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.
#
# You should have received a copy of the GNU General Public License
# along with SickGear.  If not, see <http://www.gnu.org/licenses/>.

from __future__ import print_function
from __future__ import with_statement

import unittest
import sqlite3
import glob
import sys
import os.path

sys.path.insert(1, os.path.abspath('..'))
sys.path.insert(1, os.path.abspath('../lib'))

import sickbeard
import shutil

from sickbeard import encodingKludge as ek, providers, tvcache
from sickbeard import db
from sickbeard.databases import mainDB
from sickbeard.databases import cache_db, failed_db

#=================
# test globals
#=================
TESTDIR = os.path.abspath('.')
TESTDBNAME = 'sickbeard.db'
TESTCACHEDBNAME = 'cache.db'
TESTFAILEDDBNAME = 'failed.db'

SHOWNAME = u'show name'
SEASON = 4
EPISODE = 2
FILENAME = u'show name - s0' + str(SEASON) + 'e0' + str(EPISODE) + '.mkv'
FILEDIR = os.path.join(TESTDIR, SHOWNAME)
FILEPATH = os.path.join(FILEDIR, FILENAME)

SHOWDIR = os.path.join(TESTDIR, SHOWNAME + ' final')

#sickbeard.logger.sb_log_instance = sickbeard.logger.SBRotatingLogHandler(os.path.join(TESTDIR, 'sickgear.log'), sickbeard.logger.NUM_LOGS, sickbeard.logger.LOG_SIZE)
sickbeard.logger.SBRotatingLogHandler.log_file = os.path.join(os.path.join(TESTDIR, 'Logs'), 'test_sickgear.log')


#=================
# prepare env functions
#=================
def createTestLogFolder():
    if not os.path.isdir(sickbeard.LOG_DIR):
        os.mkdir(sickbeard.LOG_DIR)

def createTestCacheFolder():
    if not os.path.isdir(sickbeard.CACHE_DIR):
        os.mkdir(sickbeard.CACHE_DIR)

# call env functions at appropriate time during sickbeard var setup

#=================
# sickbeard globals
#=================
sickbeard.SYS_ENCODING = 'UTF-8'
sickbeard.showList = []
sickbeard.QUALITY_DEFAULT = 4  # hdtv
sickbeard.FLATTEN_FOLDERS_DEFAULT = 0

sickbeard.NAMING_PATTERN = ''
sickbeard.NAMING_ABD_PATTERN = ''
sickbeard.NAMING_SPORTS_PATTERN = ''
sickbeard.NAMING_MULTI_EP = 1


sickbeard.PROVIDER_ORDER = ['sick_beard_index']
sickbeard.newznabProviderList = providers.getNewznabProviderList("'Sick Beard Index|http://lolo.sickbeard.com/|0|5030,5040,5060|0|eponly|0!!!NZBs.org|https://nzbs.org/||5030,5040,5060,5070,5090|0|eponly|0!!!Usenet-Crawler|https://www.usenet-crawler.com/||5030,5040,5060|0|eponly|0'")
sickbeard.providerList = providers.makeProviderList()

sickbeard.PROG_DIR = os.path.abspath('..')
sickbeard.DATA_DIR = sickbeard.PROG_DIR
sickbeard.LOG_DIR = os.path.join(TESTDIR, 'Logs')
createTestLogFolder()
sickbeard.logger.sb_log_instance.init_logging(False)

sickbeard.CACHE_DIR = os.path.join(TESTDIR, 'cache')
createTestCacheFolder()

#=================
# dummy functions
#=================
def _dummy_saveConfig():
    return True

# this overrides the sickbeard save_config which gets called during a db upgrade
# this might be considered a hack
mainDB.sickbeard.save_config = _dummy_saveConfig


# the real one tries to contact tvdb just stop it from getting more info on the ep
def _fake_specifyEP(self, season, episode, show_sql=None):
    pass

sickbeard.tv.TVEpisode.specifyEpisode = _fake_specifyEP


#=================
# test classes
#=================
class SickbeardTestDBCase(unittest.TestCase):
    def setUp(self):
        sickbeard.showList = []
        setUp_test_db()
        setUp_test_episode_file()
        setUp_test_show_dir()

    def tearDown(self):
        sickbeard.showList = []
        tearDown_test_db()
        tearDown_test_episode_file()
        tearDown_test_show_dir()


class TestDBConnection(db.DBConnection, object):

    def __init__(self, dbFileName=TESTDBNAME):
        dbFileName = os.path.join(TESTDIR, dbFileName)
        super(TestDBConnection, self).__init__(dbFileName)


class TestCacheDBConnection(TestDBConnection, object):

    def __init__(self, providerName):
        db.DBConnection.__init__(self, os.path.join(TESTDIR, TESTCACHEDBNAME))

        # Create the table if it's not already there
        try:
            sql = 'CREATE TABLE ' + providerName + ' (name TEXT, season NUMERIC, episodes TEXT, indexerid NUMERIC, url TEXT, time NUMERIC, quality TEXT);'
            self.connection.execute(sql)
            self.connection.commit()
        except sqlite3.OperationalError as e:
            if str(e) != 'table ' + providerName + ' already exists':
                raise

        # Create the table if it's not already there
        try:
            sql = 'CREATE TABLE lastUpdate (provider TEXT, time NUMERIC);'
            self.connection.execute(sql)
            self.connection.commit()
        except sqlite3.OperationalError as e:
            if str(e) != 'table lastUpdate already exists':
                raise

# this will override the normal db connection
sickbeard.db.DBConnection = TestDBConnection
sickbeard.tvcache.CacheDBConnection = TestCacheDBConnection

#=================
# test functions
#=================
def setUp_test_db():
    """upgrades the db to the latest version
    """
    # upgrading the db
    db.MigrationCode(db.DBConnection())

    # fix up any db problems
    db.sanityCheckDatabase(db.DBConnection(), mainDB.MainSanityCheck)

    # and for cachedb too
    db.upgradeDatabase(db.DBConnection('cache.db'), cache_db.InitialSchema)

    # and for faileddb too
    db.upgradeDatabase(db.DBConnection('failed.db'), failed_db.InitialSchema)


def tearDown_test_db():
    """Deletes the test db
        although this seams not to work on my system it leaves me with an zero kb file
    """
    # uncomment next line so leave the db intact between test and at the end
    #return False

    for filename in glob.glob(os.path.join(TESTDIR, TESTDBNAME) + '*'):
        os.remove(filename)
    if os.path.exists(os.path.join(TESTDIR, TESTCACHEDBNAME)):
        os.remove(os.path.join(TESTDIR, TESTCACHEDBNAME))
    if os.path.exists(os.path.join(TESTDIR, TESTFAILEDDBNAME)):
        os.remove(os.path.join(TESTDIR, TESTFAILEDDBNAME))


def setUp_test_episode_file():
    if not os.path.exists(FILEDIR):
        os.makedirs(FILEDIR)

    try:
        with open(FILEPATH, 'w') as f:
            f.write('foo bar')
    except EnvironmentError:
        print('Unable to set up test episode')
        raise


def tearDown_test_episode_file():
    if os.path.exists(FILEDIR):
        shutil.rmtree(FILEDIR)


def setUp_test_show_dir():
    if not os.path.exists(SHOWDIR):
        os.makedirs(SHOWDIR)


def tearDown_test_show_dir():
    if os.path.exists(SHOWDIR):
        shutil.rmtree(SHOWDIR)

tearDown_test_db()

if __name__ == '__main__':
    print('==================')
    print('Dont call this directly')
    print('==================')
    print('you might want to call')

    dirList = os.listdir(TESTDIR)
    for fname in dirList:
        if (fname.find('_test') > 0) and (fname.find('pyc') < 0):
            print('- ' + fname)

    print('==================')
    print('or just call all_tests.py')