from datetime import datetime

from sqlalchemy import Boolean, DateTime, Float, ForeignKey, Integer, String, Text
from sqlalchemy.orm import Mapped, mapped_column, relationship

from app.database import Base


class User(Base):
    __tablename__ = "users"

    id: Mapped[int] = mapped_column(Integer, primary_key=True, index=True)
    email: Mapped[str] = mapped_column(String(255), unique=True, index=True, nullable=False)
    password_hash: Mapped[str] = mapped_column(String(255), nullable=False)
    rating: Mapped[float] = mapped_column(Float, default=0.0)
    points: Mapped[int] = mapped_column(Integer, default=0)
    created_at: Mapped[datetime] = mapped_column(DateTime, default=datetime.utcnow)

    sessions: Mapped[list["Session"]] = relationship(back_populates="user", cascade="all, delete-orphan")
    external_data: Mapped[list["ExternalData"]] = relationship(
        back_populates="user", cascade="all, delete-orphan"
    )


class Session(Base):
    __tablename__ = "sessions"

    id: Mapped[int] = mapped_column(Integer, primary_key=True, index=True)
    user_id: Mapped[int] = mapped_column(ForeignKey("users.id"), nullable=False, index=True)
    token: Mapped[str] = mapped_column(String(64), unique=True, index=True, nullable=False)
    is_active: Mapped[bool] = mapped_column(Boolean, default=True)
    created_at: Mapped[datetime] = mapped_column(DateTime, default=datetime.utcnow)
    expires_at: Mapped[datetime] = mapped_column(DateTime, nullable=False)

    user: Mapped["User"] = relationship(back_populates="sessions")


class ExternalData(Base):
    __tablename__ = "external_data"

    id: Mapped[int] = mapped_column(Integer, primary_key=True, index=True)
    user_id: Mapped[int] = mapped_column(ForeignKey("users.id"), nullable=False, index=True)
    source: Mapped[str] = mapped_column(String(128), nullable=False)
    payload: Mapped[str] = mapped_column(Text, nullable=False)
    created_at: Mapped[datetime] = mapped_column(DateTime, default=datetime.utcnow)

    user: Mapped["User"] = relationship(back_populates="external_data")