import uuid
from typing import TYPE_CHECKING

from sqlalchemy import ForeignKey, String, Text
from sqlalchemy import Uuid as UUID
from sqlalchemy.orm import Mapped, mapped_column, relationship

from src.models.base import Base, TimestampMixin, UUIDPrimaryKeyMixin

if TYPE_CHECKING:
    from src.models.git_repository import GitRepository
    from src.models.ssh_key import SSHKey
    from src.models.user import User


class Project(UUIDPrimaryKeyMixin, TimestampMixin, Base):
    __tablename__ = "projects"

    name: Mapped[str] = mapped_column(String(255))
    description: Mapped[str | None] = mapped_column(Text, nullable=True)
    owner_id: Mapped[uuid.UUID] = mapped_column(UUID(), ForeignKey("users.id"), nullable=False)
    default_ssh_key_id: Mapped[uuid.UUID | None] = mapped_column(
        UUID(),
        ForeignKey("ssh_keys.id"),
        nullable=True,
    )

    owner: Mapped["User"] = relationship(back_populates="projects")
    repositories: Mapped[list["GitRepository"]] = relationship(back_populates="project")
    default_ssh_key: Mapped["SSHKey | None"] = relationship(foreign_keys=[default_ssh_key_id])
    ssh_keys: Mapped[list["SSHKey"]] = relationship(back_populates="project", foreign_keys="SSHKey.project_id")