from datetime import datetime, timezone, timedelta
from enum import Enum
from typing import Optional, cast, List
from pydantic import BaseModel
from sqlalchemy import select
from sqlmodel.ext.asyncio.session import AsyncSession

from init import sqlite
from models.models.fragment import Fragment

TON_TO_USD_RATE = {"rate": 1.61}


class Price(BaseModel):
    ton: int

    @property
    def usd(self) -> float:
        return self.ton * TON_TO_USD_RATE["rate"]

    @property
    def text(self) -> str:
        return f"{self.ton} TON ~ ${round(self.usd, 2)}"


class AuctionStatus(Enum):
    Available = "Available"
    OnAuction = "On auction"
    Sold = "Sold"
    Sale = "For sale"
    ComingSoon = "Coming soon"
    Unavailable = "Unavailable"

    @property
    def text(self) -> str:
        if self.value == "Available":
            return "等待出价"
        elif self.value == "On auction":
            return "正在拍卖"
        elif self.value == "Sold":
            return "已售出"
        elif self.value == "For sale":
            return "正在出售"
        elif self.value == "Coming soon":
            return "即将拍卖"
        elif self.value == "Unavailable":
            return "暂时不会出售"


class UserName(BaseModel):
    name: str
    now_price: Optional[Price]
    end_time: Optional[datetime]
    purchaser: Optional[str]
    status: AuctionStatus

    @property
    def end_human_time(self) -> str:
        diff = self.end_time - datetime.now(timezone.utc)
        args = []
        if diff.days:
            args.append(f"{diff.days} 天")
        if diff.seconds // 3600:
            args.append(f"{diff.seconds // 3600} 时")
        if diff.seconds % 3600 // 60:
            args.append(f"{diff.seconds % 3600 // 60} 分")
        if diff.seconds % 60:
            args.append(f"{diff.seconds % 60} 秒")
        return " ".join(args)

    @property
    def strf_end_time(self) -> str:
        return (self.end_time + timedelta(hours=8)).strftime("%Y-%m-%d %H:%M:%S")

    @property
    def text(self) -> str:
        text = f"用户名：@{self.name}\n" f"状态：{self.status.text}\n"
        if self.status == AuctionStatus.Available:
            text += f"最低出价：{self.now_price.text}\n"
        elif self.status == AuctionStatus.OnAuction:
            text += (
                f"目前最高出价：{self.now_price.text}\n"
                f"距离拍卖结束：{self.end_human_time}\n"
            )
        elif self.status == AuctionStatus.Sold:
            text += (
                f"售出价格：{self.now_price.text}\n"
                f"最终买家：<a href='https://tonapi.io/account/{self.purchaser}'>{self.purchaser[:12]}...</a>\n"
                f"售出时间：{self.strf_end_time}\n"
            )
        elif self.status == AuctionStatus.Sale:
            text += (
                f"售价：{self.now_price.text}\n"
                f"距离出售结束：{self.end_human_time}\n"
            )
        return text


class FragmentSubText(Enum):
    Subscribe = "订阅"
    Unsubscribe = "退订"
    List = "订阅列表"


class FragmentSub:
    @staticmethod
    async def subscribe(cid: int, username: str):
        async with sqlite.session() as session:
            session = cast(AsyncSession, session)
            data = Fragment(cid=cid, username=username)
            session.add(data)
            await session.commit()

    @staticmethod
    async def unsubscribe(data: Fragment):
        async with sqlite.session() as session:
            session = cast(AsyncSession, session)
            await session.delete(data)
            await session.commit()

    @staticmethod
    async def get_by_cid_and_username(cid: int, username: str) -> Optional[Fragment]:
        async with sqlite.session() as session:
            session = cast(AsyncSession, session)
            statement = (
                select(Fragment)
                .where(Fragment.cid == cid)
                .where(Fragment.username == username)
            )
            results = await session.exec(statement)
            return post[0] if (post := results.first()) else None

    @staticmethod
    async def get_by_cid(cid: int) -> List[Fragment]:
        async with sqlite.session() as session:
            session = cast(AsyncSession, session)
            statement = select(Fragment).where(Fragment.cid == cid)
            results = await session.exec(statement)
            return [item[0] for item in results.all()]

    @staticmethod
    async def get_all() -> List[Fragment]:
        async with sqlite.session() as session:
            session = cast(AsyncSession, session)
            statement = select(Fragment)
            results = await session.exec(statement)
            return [item[0] for item in results.all()]