import uuid
from typing import TYPE_CHECKING

from sqlalchemy import ForeignKey, String, Text, UniqueConstraint
from sqlalchemy.orm import Mapped, mapped_column, relationship

from app.models.base import Base, TimestampMixin, UUIDMixin

if TYPE_CHECKING:
    from app.models.repository import Repository
    from app.models.tool_instance import ToolInstance
    from app.models.user import User
    from app.models.workspace import Workspace


class Project(Base, UUIDMixin, TimestampMixin):
    __tablename__ = "project"
    __table_args__ = (UniqueConstraint("owner_id", "slug"),)

    owner_id: Mapped[uuid.UUID] = mapped_column(
        ForeignKey("user.id"), index=True
    )
    name: Mapped[str] = mapped_column(String(255))
    slug: Mapped[str] = mapped_column(String(255))
    description: Mapped[str | None] = mapped_column(Text, nullable=True)

    owner: Mapped["User"] = relationship(back_populates="projects")
    repositories: Mapped[list["Repository"]] = relationship(
        back_populates="project"
    )
    workspaces: Mapped[list["Workspace"]] = relationship(
        back_populates="project"
    )
    tool_instances: Mapped[list["ToolInstance"]] = relationship(
        back_populates="project"
    )