from sqlalchemy import func, text

from app.main.data_model.games.insights.insights_mission import InsightsMission
from app.main.data_model.games.insights.insights_mission_badge import InsightsMissionBadge
from app.main.data_model.games.insights.insights_badge import InsightsBadge
from app.main.data_model.games.insights.insights_day import InsightsDay
from app.main.data_model.games.insights.insights_mission_day import InsightsMissionDay


class InsightsMissionRepository:

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

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

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

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

    def get_insights_badges(self):
        insights_badges = self.session.query(InsightsBadge).all()
        if len(insights_badges) == 0:
            return None
        return insights_badges

    def get_insights_days(self):
        insights_days = self.session.query(InsightsDay).all()
        if len(insights_days) == 0:
            return None
        return insights_days

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

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

    def get_insights_mission_days(self, game_session_id, day_id):
        insights_mission_days = self.session.query(InsightsMissionDay).filter(
            InsightsMissionDay.day_id == day_id,
            InsightsMissionDay.mission.game_session_id == game_session_id).all()
        if len(insights_mission_days) == 0:
            return None
        return insights_mission_days

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

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

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