from datetime import datetime

from sqlalchemy import String, DateTime, Boolean, ForeignKey, func
from sqlalchemy.orm import Mapped, mapped_column, relationship

from app.database import Base


class Workspace(Base):
    __tablename__ = "workspaces"

    id: Mapped[int] = mapped_column(primary_key=True)
    name: Mapped[str] = mapped_column(String(255), nullable=False)
    description: Mapped[str] = mapped_column(String, nullable=True)
    owner_id: Mapped[int] = mapped_column(ForeignKey("users.id"), nullable=False)
    is_private: Mapped[bool] = mapped_column(Boolean, default=True)
    created_at: Mapped[datetime] = mapped_column(DateTime, default=func.now())
    updated_at: Mapped[datetime] = mapped_column(
        DateTime, default=func.now(), onupdate=func.now()
    )

    # Relationships
    owner = relationship("User", back_populates="owned_workspaces")
    members = relationship(
        "WorkspaceMember", back_populates="workspace", cascade="all, delete-orphan"
    )
    tables = relationship(
        "Table", back_populates="workspace", cascade="all, delete-orphan"
    )

    def __repr__(self):
        return f"<Workspace(id={self.id}, name={self.name})>"


class WorkspaceMember(Base):
    __tablename__ = "workspace_members"

    workspace_id: Mapped[int] = mapped_column(
        ForeignKey("workspaces.id", ondelete="CASCADE"), primary_key=True
    )
    user_id: Mapped[int] = mapped_column(
        ForeignKey("users.id", ondelete="CASCADE"), primary_key=True
    )
    role: Mapped[str] = mapped_column(String(50), default="member")
    joined_at: Mapped[datetime] = mapped_column(DateTime, default=func.now())

    # Relationships
    workspace = relationship("Workspace", back_populates="members")
    user = relationship("User", back_populates="workspace_memberships")

    def __repr__(self):
        return f"<WorkspaceMember(workspace_id={self.workspace_id}, user_id={self.user_id}, role={self.role})>"