"""Plugin management models."""
from datetime import datetime
from enum import Enum
from uuid import UUID, uuid4

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

from app.database import Base


class PluginStatus(str, Enum):
    ACTIVE = "active"
    INACTIVE = "inactive"
    DEPRECATED = "deprecated"


class Plugin(Base):
    __tablename__ = "plugins"

    id: Mapped[UUID] = mapped_column(primary_key=True, default=uuid4)
    name: Mapped[str] = mapped_column(String(100), nullable=False)
    slug: Mapped[str] = mapped_column(String(100), unique=True, nullable=False)
    description: Mapped[str | None]
    version: Mapped[str] = mapped_column(String(20), nullable=False)
    author: Mapped[str | None] = mapped_column(String(100))
    config_schema: Mapped[dict] = mapped_column(JSON, default=dict)
    is_system: Mapped[bool] = mapped_column(Boolean, default=False)
    status: Mapped[PluginStatus] = mapped_column(default=PluginStatus.ACTIVE)
    created_at: Mapped[datetime] = mapped_column(default=datetime.utcnow)

    # Relationships
    tenant_installations: Mapped[list["TenantPlugin"]] = relationship(
        back_populates="plugin"
    )

    def __repr__(self) -> str:
        return f"<Plugin {self.slug}@{self.version}>"


class TenantPlugin(Base):
    __tablename__ = "tenant_plugins"

    tenant_id: Mapped[UUID] = mapped_column(
        ForeignKey("tenants.id", ondelete="CASCADE"), primary_key=True
    )
    plugin_id: Mapped[UUID] = mapped_column(
        ForeignKey("plugins.id", ondelete="CASCADE"), primary_key=True
    )
    config: Mapped[dict] = mapped_column(JSON, default=dict)
    installed_by: Mapped[UUID | None] = mapped_column(ForeignKey("users.id"))
    installed_at: Mapped[datetime] = mapped_column(default=datetime.utcnow)
    status: Mapped[str] = mapped_column(default="active")

    # Relationships
    tenant: Mapped["Tenant"] = relationship(back_populates="installed_plugins")
    plugin: Mapped["Plugin"] = relationship(back_populates="tenant_installations")

    def __repr__(self) -> str:
        return f"<TenantPlugin {self.tenant_id}:{self.plugin_id}>"