from typing import Optional, Dict, List
from sqlalchemy import Table, Column, UniqueConstraint, PrimaryKeyConstraint, and_, case
from sqlalchemy.types import Integer, String, TIMESTAMP, Boolean, JSON
from sqlalchemy.schema import ForeignKey
from sqlalchemy.sql import func, select, update, delete
from sqlalchemy.engine import Row
from sqlalchemy.dialects.mysql import insert

from core.data.schema import BaseData, metadata

equipment_data = Table(
    "sao_equipment_data",
    metadata,
    Column("id", Integer, primary_key=True, nullable=False),
    Column(
        "user",
        ForeignKey("aime_user.id", ondelete="cascade", onupdate="cascade"),
        nullable=False,
    ),
    Column("equipment_id", Integer, nullable=False),
    Column("enhancement_value", Integer, nullable=False),
    Column("enhancement_exp", Integer, nullable=False),
    Column("awakening_exp", Integer, nullable=False),
    Column("awakening_stage", Integer, nullable=False),
    Column("possible_awakening_flag", Integer, nullable=False),
    Column("get_date", TIMESTAMP, nullable=False, server_default=func.now()),
    UniqueConstraint("user", "equipment_id", name="sao_equipment_data_uk"),
    mysql_charset="utf8mb4",
)

item_data = Table(
    "sao_item_data",
    metadata,
    Column("id", Integer, primary_key=True, nullable=False),
    Column(
        "user",
        ForeignKey("aime_user.id", ondelete="cascade", onupdate="cascade"),
        nullable=False,
    ),
    Column("item_id", Integer, nullable=False),
    Column("get_date", TIMESTAMP, nullable=False, server_default=func.now()),
    UniqueConstraint("user", "item_id", name="sao_item_data_uk"),
    mysql_charset="utf8mb4",
)

hero_log_data = Table(
    "sao_hero_log_data",
    metadata,
    Column("id", Integer, primary_key=True, nullable=False),
    Column(
        "user",
        ForeignKey("aime_user.id", ondelete="cascade", onupdate="cascade"),
        nullable=False,
    ),
    Column("user_hero_log_id", Integer, nullable=False),
    Column("log_level", Integer, nullable=False),
    Column("log_exp", Integer, nullable=False),
    Column("main_weapon", Integer, nullable=False),
    Column("sub_equipment", Integer, nullable=False),
    Column("skill_slot1_skill_id", Integer, nullable=False),
    Column("skill_slot2_skill_id", Integer, nullable=False),
    Column("skill_slot3_skill_id", Integer, nullable=False),
    Column("skill_slot4_skill_id", Integer, nullable=False),
    Column("skill_slot5_skill_id", Integer, nullable=False),
    Column("get_date", TIMESTAMP, nullable=False, server_default=func.now()),
    UniqueConstraint("user", "user_hero_log_id", name="sao_hero_log_data_uk"),
    mysql_charset="utf8mb4",
)

hero_party = Table(
    "sao_hero_party",
    metadata,
    Column("id", Integer, primary_key=True, nullable=False),
    Column(
        "user",
        ForeignKey("aime_user.id", ondelete="cascade", onupdate="cascade"),
        nullable=False,
    ),
    Column("user_party_team_id", Integer, nullable=False),
    Column("user_hero_log_id_1", Integer, nullable=False),
    Column("user_hero_log_id_2", Integer, nullable=False),
    Column("user_hero_log_id_3", Integer, nullable=False),
    UniqueConstraint("user", "user_party_team_id", name="sao_hero_party_uk"),
    mysql_charset="utf8mb4",
)

quest = Table(
    "sao_player_quest",
    metadata,
    Column("id", Integer, primary_key=True, nullable=False),
    Column(
        "user",
        ForeignKey("aime_user.id", ondelete="cascade", onupdate="cascade"),
        nullable=False,
    ),
    Column("episode_id", Integer, nullable=False),
    Column("quest_clear_flag", Boolean, nullable=False),
    Column("clear_time", Integer, nullable=False),
    Column("combo_num", Integer, nullable=False),
    Column("total_damage", Integer, nullable=False),
    Column("concurrent_destroying_num", Integer, nullable=False),
    Column("play_date", TIMESTAMP, nullable=False, server_default=func.now()),
    UniqueConstraint("user", "episode_id", name="sao_player_quest_uk"),
    mysql_charset="utf8mb4",
)

sessions = Table(
    "sao_play_sessions",
    metadata,
    Column("id", Integer, primary_key=True, nullable=False),
    Column(
        "user",
        ForeignKey("aime_user.id", ondelete="cascade", onupdate="cascade"),
        nullable=False,
    ),
    Column("user_party_team_id", Integer, nullable=False),
    Column("episode_id", Integer, nullable=False),
    Column("play_mode", Integer, nullable=False),
    Column("quest_drop_boost_apply_flag", Integer, nullable=False),
    Column("play_date", TIMESTAMP, nullable=False, server_default=func.now()),
    UniqueConstraint("user", "user_party_team_id", "play_date", name="sao_play_sessions_uk"),
    mysql_charset="utf8mb4",
)

end_sessions = Table(
    "sao_end_sessions",
    metadata,
    Column("id", Integer, primary_key=True, nullable=False),
    Column(
        "user",
        ForeignKey("aime_user.id", ondelete="cascade", onupdate="cascade"),
        nullable=False,
    ),
    Column("quest_id", Integer, nullable=False),
    Column("play_result_flag", Boolean, nullable=False),
    Column("reward_data", JSON, nullable=True),
    Column("play_date", TIMESTAMP, nullable=False, server_default=func.now()),
    mysql_charset="utf8mb4",
)

class SaoItemData(BaseData):
    async def create_session(self, user_id: int, user_party_team_id: int, episode_id: int, play_mode: int, quest_drop_boost_apply_flag: int) -> Optional[int]:
        sql = insert(sessions).values(
            user=user_id,
            user_party_team_id=user_party_team_id,
            episode_id=episode_id,
            play_mode=play_mode,
            quest_drop_boost_apply_flag=quest_drop_boost_apply_flag
            )

        conflict = sql.on_duplicate_key_update(user=user_id)

        result = await self.execute(conflict)
        if result is None:
            self.logger.error(f"Failed to create SAO session for user {user_id}!")
            return None
        return result.lastrowid

    async def create_end_session(self, user_id: int, quest_id: int, play_result_flag: bool, reward_data: JSON) -> Optional[int]:
        sql = insert(end_sessions).values(
            user=user_id,
            quest_id=quest_id,
            play_result_flag=play_result_flag,
            reward_data=reward_data,
            )

        conflict = sql.on_duplicate_key_update(user=user_id)

        result = await self.execute(conflict)
        if result is None:
            self.logger.error(f"Failed to create SAO end session for user {user_id}!")
            return None
        return result.lastrowid

    async def put_item(self, user_id: int, item_id: int) -> Optional[int]:
        sql = insert(item_data).values(
            user=user_id,
            item_id=item_id,
        )

        conflict = sql.on_duplicate_key_update(
            item_id=item_id,
        )

        result = await self.execute(conflict)
        if result is None:
            self.logger.error(
                f"{__name__} failed to insert item! user: {user_id}, item_id: {item_id}"
            )
            return None

        return result.lastrowid
    
    async def put_equipment_data(self, user_id: int, equipment_id: int, enhancement_value: int, enhancement_exp: int, awakening_exp: int, awakening_stage: int, possible_awakening_flag: int) -> Optional[int]:
        sql = insert(equipment_data).values(
            user=user_id,
            equipment_id=equipment_id,
            enhancement_value=enhancement_value,
            enhancement_exp=enhancement_exp,
            awakening_exp=awakening_exp,
            awakening_stage=awakening_stage,
            possible_awakening_flag=possible_awakening_flag,
        )

        conflict = sql.on_duplicate_key_update(
            enhancement_value=enhancement_value,
            enhancement_exp=enhancement_exp,
            awakening_exp=awakening_exp,
            awakening_stage=awakening_stage,
            possible_awakening_flag=possible_awakening_flag,
        )

        result = await self.execute(conflict)
        if result is None:
            self.logger.error(
                f"{__name__} failed to insert equipment! user: {user_id}, equipment_id: {equipment_id}"
            )
            return None

        return result.lastrowid

    async def put_hero_log(self, user_id: int, user_hero_log_id: int, log_level: int, log_exp: int, main_weapon: int, sub_equipment: int, skill_slot1_skill_id: int, skill_slot2_skill_id: int, skill_slot3_skill_id: int, skill_slot4_skill_id: int, skill_slot5_skill_id: int) -> Optional[int]:
        sql = insert(hero_log_data).values(
            user=user_id,
            user_hero_log_id=user_hero_log_id,
            log_level=log_level,
            log_exp=log_exp,
            main_weapon=main_weapon,
            sub_equipment=sub_equipment,
            skill_slot1_skill_id=skill_slot1_skill_id,
            skill_slot2_skill_id=skill_slot2_skill_id,
            skill_slot3_skill_id=skill_slot3_skill_id,
            skill_slot4_skill_id=skill_slot4_skill_id,
            skill_slot5_skill_id=skill_slot5_skill_id,
        )

        conflict = sql.on_duplicate_key_update(
            log_level=log_level,
            log_exp=log_exp,
            main_weapon=main_weapon,
            sub_equipment=sub_equipment,
            skill_slot1_skill_id=skill_slot1_skill_id,
            skill_slot2_skill_id=skill_slot2_skill_id,
            skill_slot3_skill_id=skill_slot3_skill_id,
            skill_slot4_skill_id=skill_slot4_skill_id,
            skill_slot5_skill_id=skill_slot5_skill_id,
        )

        result = await self.execute(conflict)
        if result is None:
            self.logger.error(
                f"{__name__} failed to insert hero! user: {user_id}, user_hero_log_id: {user_hero_log_id}"
            )
            return None

        return result.lastrowid

    async def put_hero_party(self, user_id: int, user_party_team_id: int, user_hero_log_id_1: int, user_hero_log_id_2: int, user_hero_log_id_3: int) -> Optional[int]:
        sql = insert(hero_party).values(
            user=user_id,
            user_party_team_id=user_party_team_id,
            user_hero_log_id_1=user_hero_log_id_1,
            user_hero_log_id_2=user_hero_log_id_2,
            user_hero_log_id_3=user_hero_log_id_3,
        )

        conflict = sql.on_duplicate_key_update(
            user_hero_log_id_1=user_hero_log_id_1,
            user_hero_log_id_2=user_hero_log_id_2,
            user_hero_log_id_3=user_hero_log_id_3,
        )

        result = await self.execute(conflict)
        if result is None:
            self.logger.error(
                f"{__name__} failed to insert hero party! user: {user_id}, user_party_team_id: {user_party_team_id}"
            )
            return None

        return result.lastrowid

    async def put_player_quest(self, user_id: int, episode_id: int, quest_clear_flag: bool, clear_time: int, combo_num: int, total_damage: int, concurrent_destroying_num: int) -> Optional[int]:
        sql = insert(quest).values(
            user=user_id,
            episode_id=episode_id,
            quest_clear_flag=quest_clear_flag,
            clear_time=clear_time,
            combo_num=combo_num,
            total_damage=total_damage,
            concurrent_destroying_num=concurrent_destroying_num
        )

        conflict = sql.on_duplicate_key_update(
            quest_clear_flag=quest_clear_flag,
            clear_time=clear_time,
            combo_num=combo_num,
            total_damage=total_damage,
            concurrent_destroying_num=concurrent_destroying_num
        )

        result = await self.execute(conflict)
        if result is None:
            self.logger.error(
                f"{__name__} failed to insert quest! user: {user_id}, episode_id: {episode_id}"
            )
            return None

        return result.lastrowid

    async def get_user_equipment(self, user_id: int, equipment_id: int) -> Optional[Dict]:
        sql = equipment_data.select(equipment_data.c.user == user_id and equipment_data.c.equipment_id == equipment_id)
        
        result = await self.execute(sql)
        if result is None:
            return None
        return result.fetchone()
    
    async def get_user_equipments(
        self, user_id: int
    ) -> Optional[List[Row]]:
        """
        A catch-all equipments lookup given a profile
        """
        sql = equipment_data.select(
            and_(
                equipment_data.c.user == user_id,
            )
        )

        result = await self.execute(sql)
        if result is None:
            return None
        return result.fetchall()

    async def get_user_items(
        self, user_id: int
    ) -> Optional[List[Row]]:
        """
        A catch-all items lookup given a profile
        """
        sql = item_data.select(
            and_(
                item_data.c.user == user_id,
            )
        )

        result = await self.execute(sql)
        if result is None:
            return None
        return result.fetchall()

    async def get_hero_log(
        self, user_id: int, user_hero_log_id: int = None
    ) -> Optional[List[Row]]:
        """
        A catch-all hero lookup given a profile and user_party_team_id and ID specifiers
        """
        sql = hero_log_data.select(
            and_(
                hero_log_data.c.user == user_id,
                hero_log_data.c.user_hero_log_id == user_hero_log_id if user_hero_log_id is not None else True,
            )
        )

        result = await self.execute(sql)
        if result is None:
            return None
        return result.fetchone()

    async def get_hero_logs(
        self, user_id: int
    ) -> Optional[List[Row]]:
        """
        A catch-all hero lookup given a profile
        """
        sql = hero_log_data.select(
            and_(
                hero_log_data.c.user == user_id,
            )
        )

        result = await self.execute(sql)
        if result is None:
            return None
        return result.fetchall()

    async def get_hero_party(
        self, user_id: int, user_party_team_id: int = None
    ) -> Optional[List[Row]]:
        sql = hero_party.select(
            and_(
                hero_party.c.user == user_id,
                hero_party.c.user_party_team_id == user_party_team_id if user_party_team_id is not None else True,
            )
        )

        result = await self.execute(sql)
        if result is None:
            return None
        return result.fetchone()

    async def get_quest_log(
        self, user_id: int, episode_id: int = None
    ) -> Optional[List[Row]]:
        """
        A catch-all quest lookup given a profile and episode_id
        """
        sql = quest.select(
            and_(
                quest.c.user == user_id,
                quest.c.episode_id == episode_id if episode_id is not None else True,
            )
        )

        result = await self.execute(sql)
        if result is None:
            return None
        return result.fetchone()

    async def get_quest_logs(
        self, user_id: int
    ) -> Optional[List[Row]]:
        """
        A catch-all quest lookup given a profile
        """
        sql = quest.select(
            and_(
                quest.c.user == user_id,
            )
        )

        result = await self.execute(sql)
        if result is None:
            return None
        return result.fetchall()

    async def get_session(
        self, user_id: int = None
    ) -> Optional[List[Row]]:
        sql = sessions.select(
            and_(
                sessions.c.user == user_id,
            )
        ).order_by(
            sessions.c.play_date.asc()
        )

        result = await self.execute(sql)
        if result is None:
            return None
        return result.fetchone()

    async def get_end_session(
        self, user_id: int = None
    ) -> Optional[List[Row]]:
        sql = end_sessions.select(
            and_(
                end_sessions.c.user == user_id,
            )
        ).order_by(
            end_sessions.c.play_date.asc()
        )

        result = await self.execute(sql)
        if result is None:
            return None
        return result.fetchone()

    async def remove_hero_log(self, user_id: int, user_hero_log_id: int) -> None:
        sql = hero_log_data.delete(
           and_(
                hero_log_data.c.user == user_id,
                hero_log_data.c.user_hero_log_id == user_hero_log_id,
            )
        )

        result = await self.execute(sql)
        if result is None:
            self.logger.error(
                f"{__name__} failed to remove hero log! profile: {user_id}, user_hero_log_id: {user_hero_log_id}"
            )
        return None

    async def remove_equipment(self, user_id: int, equipment_id: int) -> None:
        sql = equipment_data.delete(
            and_(equipment_data.c.user == user_id, equipment_data.c.equipment_id == equipment_id)
        )

        result = await self.execute(sql)
        if result is None:
            self.logger.error(
                f"{__name__} failed to remove equipment! profile: {user_id}, equipment_id: {equipment_id}"
            )
        return None

    async def remove_item(self, user_id: int, item_id: int) -> None:
        sql = item_data.delete(
            and_(item_data.c.user == user_id, item_data.c.item_id == item_id)
        )

        result = await self.execute(sql)
        if result is None:
            self.logger.error(
                f"{__name__} failed to remove item! profile: {user_id}, item_id: {item_id}"
            )
        return None