from sqlalchemy import func, text

from app.main.data_model.games.lemo.lemo_mission import LemoMission
from app.main.data_model.games.lemo.lemo_mission_badge import LemoMissionBadge
from app.main.data_model.games.lemo.lemo_badge import LemoBadge
from app.main.data_model.games.lemo.lemo_day import LemoDay
from app.main.data_model.games.lemo.lemo_mission_day import LemoMissionDay


class LemoMissionRepository:

    def __init__(self, session):
        self.session = session

    def get_mission_by_game_session_id_and_user_id(self, game_session_id, user_id):
        lemo_mission = self.session.query(LemoMission).filter(
            LemoMission.game_session_id == game_session_id,
            LemoMission.user_id == user_id).first()
        return lemo_mission

    def get_mission_by_id(self, mission_id):
        lemo_mission = self.session.query(LemoMission).filter(LemoMission.id == mission_id).first()
        return lemo_mission

    def get_mission_badges(self, mission_id):
        lemo_mission_badges = self.session.query(LemoMissionBadge).filter(LemoMissionBadge.mission_id == mission_id).all()
        if len(lemo_mission_badges) == 0:
            return None
        return lemo_mission_badges

    def get_lemo_badges(self):
        lemo_badges = self.session.query(LemoBadge).all()
        if len(lemo_badges) == 0:
            return None
        return lemo_badges

    def get_lemo_days(self):
        lemo_days = self.session.query(LemoDay).all()
        if len(lemo_days) == 0:
            return None
        return lemo_days

    def get_missions(self, game_session_id):
        lemo_missions = self.session.query(LemoMission).filter(LemoMission.game_session_id == game_session_id).all()
        if len(lemo_missions) == 0:
            return None
        return lemo_missions

    def get_mission_deactivated_badges(self, mission_id):
        lemo_mission_badges = self.session.query(LemoMissionBadge).filter(
            LemoMissionBadge.mission_id == mission_id,
            LemoMissionBadge.status == 0).all()
        if len(lemo_mission_badges) == 0:
            return None
        return lemo_mission_badges

    def get_lemo_mission_days(self, game_session_id, day_id):
        lemo_mission_days = self.session.query(LemoMissionDay).filter(
            LemoMissionDay.day_id == day_id,
            LemoMissionDay.mission.game_session_id == game_session_id).all()
        if len(lemo_mission_days) == 0:
            return None
        return lemo_mission_days

    def get_number_of_finished_missions(self, game_session_id):
        number_of_finished_missions = self.session.query(func.count(LemoMission.id)).filter(
            LemoMission.game_session_id == game_session_id,
            LemoMission.finish_date.isnot(None)
        ).first()
        return number_of_finished_missions[0]

    def get_average_time_duration_by_day(self, game_session_id):
        return self.session.query(LemoMissionDay.day_id, func.avg(func.timestampdiff(text('MINUTE'),
                            LemoMissionDay.start_date, LemoMissionDay.finish_date))).join(LemoMission).filter(
            LemoMissionDay.mission_id == LemoMission.id,
            LemoMission.game_session_id == game_session_id,
            LemoMission.finish_date.isnot(None)
        ).group_by(LemoMissionDay.day_id).all()

    def get_mean_retention_score(self, game_session_id):
        return self.session.query(LemoMissionDay.day_id, func.avg(LemoMissionDay.score1 + LemoMissionDay.score2)).join(LemoMission).filter(
            LemoMissionDay.mission_id == LemoMission.id,
            LemoMission.game_session_id == game_session_id,
            LemoMission.finish_date.isnot(None)
        ).group_by(LemoMissionDay.day_id).all()

    def get_mission_levels_by_game_session_and_participant(self, game_session_id, participant_id):
        return self.session.query(LemoMissionDay).join(LemoMission).filter(
            LemoMission.user_id == participant_id,
            LemoMissionDay.mission_id == LemoMission.id,
            LemoMission.game_session_id == game_session_id).order_by(
            LemoMissionDay.day_id.asc()).all()