import uuid
from datetime import UTC, datetime

from sqlalchemy import JSON, Boolean, DateTime, Integer, String, Text, UniqueConstraint
from sqlalchemy.orm import Mapped, mapped_column

from .db import Base


def uid() -> str:
    return str(uuid.uuid4())


def now() -> datetime:
    return datetime.now(UTC)


class ClientToken(Base):
    __tablename__ = "client_tokens"
    id: Mapped[str] = mapped_column(String(36), primary_key=True, default=uid)
    name: Mapped[str] = mapped_column(String(80))
    app_key: Mapped[str] = mapped_column(String(80), index=True)
    token_hash: Mapped[str] = mapped_column(String(64), unique=True, index=True)
    allow_tags: Mapped[list[str]] = mapped_column(JSON, default=list)
    deny_tags: Mapped[list[str]] = mapped_column(JSON, default=list)
    active: Mapped[bool] = mapped_column(Boolean, default=True)
    created_at: Mapped[datetime] = mapped_column(DateTime(timezone=True), default=now)


class CatalogItem(Base):
    __tablename__ = "catalog_items"
    __table_args__ = (UniqueConstraint("kind", "slug", "version", name="uq_catalog_version"),)
    id: Mapped[str] = mapped_column(String(36), primary_key=True, default=uid)
    kind: Mapped[str] = mapped_column(String(24), index=True)
    slug: Mapped[str] = mapped_column(String(100), index=True)
    version: Mapped[int] = mapped_column(Integer, default=1)
    title: Mapped[str] = mapped_column(String(120))
    description: Mapped[str] = mapped_column(Text, default="")
    tags: Mapped[list[str]] = mapped_column(JSON, default=list)
    definition: Mapped[dict] = mapped_column(JSON, default=dict)
    asset_url: Mapped[str | None] = mapped_column(Text)
    status: Mapped[str] = mapped_column(String(16), default="draft", index=True)
    sort_order: Mapped[int] = mapped_column(Integer, default=0)
    created_at: Mapped[datetime] = mapped_column(DateTime(timezone=True), default=now)


class EditorProject(Base):
    __tablename__ = "editor_projects"
    id: Mapped[str] = mapped_column(String(36), primary_key=True, default=uid)
    owner_id: Mapped[str] = mapped_column(String(80), index=True)
    source_type: Mapped[str] = mapped_column(String(40), default="custom")
    source_id: Mapped[str | None] = mapped_column(String(80), index=True)
    revision: Mapped[int] = mapped_column(Integer, default=1)
    document: Mapped[dict] = mapped_column(JSON)
    created_at: Mapped[datetime] = mapped_column(DateTime(timezone=True), default=now)
    updated_at: Mapped[datetime] = mapped_column(DateTime(timezone=True), default=now, onupdate=now)