from sqlalchemy import func, text

from app.main.data_model.games.pv_pharma5.pv5_mission import PV5Mission
from app.main.data_model.games.pv_pharma5.pv5_mission_badge import PV5MissionBadge
from app.main.data_model.games.pv_pharma5.pv5_badge import PV5Badge
from app.main.data_model.games.pv_pharma5.pv5_day import PV5Day
from app.main.data_model.games.pv_pharma5.pv5_mission_day import PV5MissionDay


class PV5MissionRepository:

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

    def get_mission_by_game_session_id_and_user_id(self, game_session_id, user_id):
        pv5_mission = self.session.query(PV5Mission).filter(
            PV5Mission.game_session_id == game_session_id,
            PV5Mission.user_id == user_id).first()
        return pv5_mission

    def get_mission_by_id(self, mission_id):
        pv5_mission = self.session.query(PV5Mission).filter(PV5Mission.id == mission_id).first()
        return pv5_mission

    def get_mission_badges(self, mission_id):
        pv5_mission_badges = self.session.query(PV5MissionBadge).filter(PV5MissionBadge.mission_id == mission_id).all()
        if len(pv5_mission_badges) == 0:
            return None
        return pv5_mission_badges

    def get_pv5_badges(self):
        pv5_badges = self.session.query(PV5Badge).all()
        if len(pv5_badges) == 0:
            return None
        return pv5_badges

    def get_pv5_days(self):
        pv5_days = self.session.query(PV5Day).all()
        if len(pv5_days) == 0:
            return None
        return pv5_days

    def get_missions(self, game_session_id):
        pv5_missions = self.session.query(PV5Mission).filter(PV5Mission.game_session_id == game_session_id).all()
        if len(pv5_missions) == 0:
            return None
        return pv5_missions

    def get_mission_deactivated_badges(self, mission_id):
        pv5_mission_badges = self.session.query(PV5MissionBadge).filter(
            PV5MissionBadge.mission_id == mission_id,
            PV5MissionBadge.status == 0).all()
        if len(pv5_mission_badges) == 0:
            return None
        return pv5_mission_badges

    def get_pv5_mission_days(self, game_session_id, day_id):
        pv5_mission_days = self.session.query(PV5MissionDay).filter(
            PV5MissionDay.day_id == day_id,
            PV5MissionDay.mission.game_session_id == game_session_id).all()
        if len(pv5_mission_days) == 0:
            return None
        return pv5_mission_days

    def get_number_of_finished_missions(self, game_session_id):
        number_of_finished_missions = self.session.query(func.count(PV5Mission.id)).filter(
            PV5Mission.game_session_id == game_session_id,
            PV5Mission.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(PV5MissionDay.day_id, func.avg(func.timestampdiff(text('MINUTE'),
                            PV5MissionDay.start_date, PV5MissionDay.finish_date))).join(PV5Mission).filter(
            PV5MissionDay.mission_id == PV5Mission.id,
            PV5Mission.game_session_id == game_session_id,
            PV5Mission.finish_date.isnot(None)
        ).group_by(PV5MissionDay.day_id).all()

    def get_mean_retention_score(self, game_session_id):
        return self.session.query(PV5MissionDay.day_id, func.avg(PV5MissionDay.score1 + PV5MissionDay.score2)).join(PV5Mission).filter(
            PV5MissionDay.mission_id == PV5Mission.id,
            PV5Mission.game_session_id == game_session_id,
            PV5Mission.finish_date.isnot(None)
        ).group_by(PV5MissionDay.day_id).all()

    def get_mission_levels_by_game_session_and_participant(self, game_session_id, participant_id):
        return self.session.query(PV5MissionDay).join(PV5Mission).filter(
            PV5Mission.user_id == participant_id,
            PV5MissionDay.mission_id == PV5Mission.id,
            PV5Mission.game_session_id == game_session_id).order_by(
            PV5MissionDay.day_id.asc()).all()