import os
import unittest
import sqlalchemy
from sqlalchemy.engine import create_engine
from sqlalchemy.orm import sessionmaker
import wrpylib.wrmwdb
from wrpylib.wrmwcache import update_wrreportcache

TEST_DB = 'mysql://philipp@localhost:3306/philipp_winterrodeln_wrpylib_wrpylib_test?charset=utf8mb4'


def setup_test_database():
    engine = create_engine(TEST_DB)
    testdb = os.path.join(os.path.dirname(__file__), 'testdb.sql')
    with open(testdb, 'r') as f:
        sql = f.read()
    with engine.begin() as con:
        con.execution_options(no_parameters=True).execute(sql)

        # update dates
        seconds_diff, = con.execute("SELECT TIMESTAMPDIFF(SECOND, '2017-03-31 07:00', now())").fetchone()
        seconds_diff = int(seconds_diff)
        con.execute(
            "UPDATE wrreport SET date_report = DATE(date_report + INTERVAL %s SECOND) WHERE time_report IS NULL",
            (seconds_diff,))
        con.execute(
            "UPDATE wrreport SET date_report = DATE(TIMESTAMP(date_report, time_report) + INTERVAL %s SECOND) WHERE time_report IS NOT NULL",
            (seconds_diff,))
        con.execute(
            "UPDATE wrreport SET time_report = TIME(TIMESTAMP(date_report, time_report) + INTERVAL %s SECOND) WHERE time_report IS NOT NULL",
            (seconds_diff,))
        con.execute("UPDATE wrreport SET date_entry = date_entry + INTERVAL %s SECOND", (seconds_diff,))
        con.execute("UPDATE wrreport SET date_invalid = date_invalid + INTERVAL %s SECOND", (seconds_diff,))
        con.execute("UPDATE wrreport SET delete_date = delete_date + INTERVAL %s SECOND", (seconds_diff,))
    return engine


class TestWrMwDb(unittest.TestCase):
    @classmethod
    def setUpClass(cls):
        cls.engine = setup_test_database()
        cls.Session = sessionmaker(bind=cls.engine)

    def setUp(self):
        self.metadata = sqlalchemy.MetaData()
        self.session = self.Session()

    def tearDown(self):
        self.session.rollback()

    def test_wrreport_table(self):
        WrReport = wrpylib.wrmwdb.wrreport_table(self.metadata)
        wrreport = self.session.query(WrReport).filter(WrReport.c.id==19590).first()
        self.assertEqual(wrreport.id, 19590)
        self.assertEqual('Pleisenhütte Axamer Lizum', wrreport.page_title)

    def test_wrsledruncache_table(self):
        WrSledrunCache = wrpylib.wrmwdb.wrsledruncache_table(self.metadata)
        wrsledruncache = self.session.query(WrSledrunCache).filter(WrSledrunCache.c.page_id==926).first()
        self.assertEqual(926, wrsledruncache.page_id)
        self.assertEqual('Hühnerspiel', wrsledruncache.page_title)

    def test_wrinncache_table(self):
        WrInnCache = wrpylib.wrmwdb.wrinncache_table(self.metadata)
        wrinncache = self.session.query(WrInnCache).filter(WrInnCache.c.page_id==362).first()
        self.assertEqual(362, wrinncache.page_id)
        self.assertEqual('Meißner_Haus_(Gasthaus)', wrinncache.page_title)

    def test_wrreportcache_table(self):
        update_wrreportcache(self.engine.connect())
        WrReportCache = wrpylib.wrmwdb.wrreportcache_table(self.metadata)
        wrreport = self.session.query(WrReportCache).filter(WrReportCache.c.page_id == 237).first()
        self.assertEqual(237, wrreport.page_id)
        self.assertEqual('Gleirschalm', wrreport.page_title)

    def test_wrregion_table(self):
        WrRegion = wrpylib.wrmwdb.wrregion_table(self.metadata)
        wrregion = self.session.query(WrRegion).filter(WrRegion.c.id == 18).first()
        self.assertEqual(18, wrregion.id)
        self.assertEqual('Salzburg', wrregion.name)

    def test_wrregioncache_table(self):
        WrRegionCache = wrpylib.wrmwdb.wrregioncache_table(self.metadata)
        wrregioncache = self.session.query(WrRegionCache).filter((WrRegionCache.c.region_id == 27) &
                                                                 (WrRegionCache.c.page_id == 5)).first()
        self.assertEqual(27, wrregioncache.region_id)
        self.assertEqual(5, wrregioncache.page_id)