from typing import *
import datetime

from sqlalchemy import *
from sqlalchemy.orm import *
from sqlalchemy.ext.declarative import declared_attr

from .fiorygi import Fiorygi

if TYPE_CHECKING:
    from royalnet.commands import CommandData


class FiorygiTransaction:
    __tablename__ = "fiorygitransactions"

    @declared_attr
    def id(self):
        return Column(Integer, primary_key=True)

    @declared_attr
    def change(self):
        return Column(Integer, nullable=False)

    @declared_attr
    def user_id(self):
        return Column(Integer, ForeignKey("fiorygi.user_id"), nullable=False)

    @declared_attr
    def wallet(self):
        return relationship("Fiorygi", backref=backref("transactions"))

    @property
    def user(self):
        return self.wallet.user

    @declared_attr
    def reason(self):
        return Column(String, nullable=False, default="")

    @declared_attr
    def timestamp(self):
        return Column(DateTime)

    def __repr__(self):
        return f"<{self.__class__.__name__}: {self.change:+} to {self.user.username} for {self.reason}>"

    @classmethod
    async def spawn_fiorygi(cls, data: "CommandData", user, qty: int, reason: str):
        if user.fiorygi is None:
            data.session.add(data._interface.alchemy.get(Fiorygi)(
                user_id=user.uid,
                fiorygi=0
            ))
            await data.session_commit()

        transaction = data._interface.alchemy.get(FiorygiTransaction)(
            user_id=user.uid,
            change=qty,
            reason=reason,
            timestamp=datetime.datetime.now()
        )
        data.session.add(transaction)

        user.fiorygi.fiorygi += qty
        await data.session_commit()

        if len(user.telegram) > 0:
            user_str = user.telegram[0].mention()
        else:
            user_str = user.username

        if qty > 0:
            msg = f"💰 [b]{user_str}[/b] ha ottenuto [b]{qty}[/b] fioryg{'i' if qty != 1 else ''} per [i]{reason}[/i]!"
        elif qty == 0:
            msg = f"❓ [b]{user_str}[/b] ha ottenuto [b]{qty}[/b] fioryg{'i' if qty != 1 else ''}...? " \
                  f"Per [i]{reason}[/i]...? Cosa?"
        else:
            msg = f"💸 [b]{user_str}[/b] ha perso [b]{-qty}[/b] fioryg{'i' if qty != -1 else ''} per [i]{reason}[/i]."

        await data._interface.call_herald_event("telegram", "telegram_message",
                                                chat_id=data._interface.config["Telegram"]["main_group_id"],
                                                text=msg)