"""Plugin and PluginMigration models — tracks installed plugins and their migrations."""

from __future__ import annotations

import uuid
from typing import Any

from sqlalchemy import Boolean, Index, String, Text
from sqlalchemy.dialects.postgresql import UUID as PGUUID
from sqlalchemy.orm import Mapped, mapped_column

from app.core.db import Base, TimestampMixin


class Plugin(Base, TimestampMixin):
    """Plugin record — tracks installation and activation status.

    This table is NOT tenant-scoped (plugins are system-wide, not per-tenant).
    The tables *created by* plugin migrations MUST have tenant_id.
    """

    __tablename__ = "plugins"
    __table_args__ = (Index("ix_plugins_name", "name", unique=True),)

    id: Mapped[uuid.UUID] = mapped_column(
        PGUUID(as_uuid=True), primary_key=True, default=uuid.uuid4
    )
    name: Mapped[str] = mapped_column(String(80), nullable=False, unique=True)
    display_name: Mapped[str] = mapped_column(String(120), nullable=False)
    version: Mapped[str] = mapped_column(String(40), nullable=False)
    status: Mapped[str] = mapped_column(String(20), nullable=False, default="installed")
    installed: Mapped[bool] = mapped_column(Boolean, nullable=False, default=True)
    active: Mapped[bool] = mapped_column(Boolean, nullable=False, default=False)
    is_core: Mapped[bool] = mapped_column(Boolean, nullable=False, default=False)
    config: Mapped[dict[str, Any] | None] = mapped_column(
        Text,
        nullable=True,  # JSON string for plugin configuration
    )

    # Transient attribute for response (not persisted)
    # Used by uninstall to report dropped tables
    # This is set dynamically by registry.uninstall()


class PluginMigration(Base, TimestampMixin):
    """Tracks individual migration files applied for each plugin."""

    __tablename__ = "plugin_migrations"
    __table_args__ = (
        Index("ix_plugin_migrations_plugin", "plugin_name"),
        Index("ix_plugin_migrations_unique", "plugin_name", "migration_file", unique=True),
    )

    id: Mapped[uuid.UUID] = mapped_column(
        PGUUID(as_uuid=True), primary_key=True, default=uuid.uuid4
    )
    plugin_name: Mapped[str] = mapped_column(String(80), nullable=False)
    migration_file: Mapped[str] = mapped_column(String(255), nullable=False)
    status: Mapped[str] = mapped_column(String(20), nullable=False, default="applied")
