"""Sites & page resources — Phase 11.1.

Independent aggregates use UUID refs within experience_db only.
No SQLAlchemy relationships. No page-builder / theme / template engines.
"""
from __future__ import annotations

import uuid
from datetime import datetime

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

from app.core.database import Base
from app.models.base import (
    ActorAuditMixin,
    OptimisticLockMixin,
    SoftDeleteMixin,
    TenantMixin,
    TimestampMixin,
    UUIDPrimaryKeyMixin,
)
from app.models.types import DomainKind, GUID, PageType, PublishStatus


class ExperienceSite(
    Base,
    UUIDPrimaryKeyMixin,
    TenantMixin,
    TimestampMixin,
    SoftDeleteMixin,
    ActorAuditMixin,
    OptimisticLockMixin,
):
    """Tenant site under a workspace — multiple sites per workspace."""

    __tablename__ = "experience_sites"

    workspace_id: Mapped[uuid.UUID] = mapped_column(GUID(), nullable=False)
    code: Mapped[str] = mapped_column(String(50), nullable=False)
    name: Mapped[str] = mapped_column(String(255), nullable=False)
    description: Mapped[str | None] = mapped_column(Text, nullable=True)
    publish_status: Mapped[PublishStatus] = mapped_column(
        default=PublishStatus.DRAFT, nullable=False
    )
    default_locale: Mapped[str] = mapped_column(String(16), default="fa", nullable=False)
    default_direction: Mapped[str] = mapped_column(String(3), default="rtl", nullable=False)
    primary_domain: Mapped[str | None] = mapped_column(String(255), nullable=True)
    home_page_id: Mapped[uuid.UUID | None] = mapped_column(GUID(), nullable=True)
    published_at: Mapped[datetime | None] = mapped_column(
        DateTime(timezone=True), nullable=True
    )
    archived_at: Mapped[datetime | None] = mapped_column(
        DateTime(timezone=True), nullable=True
    )
    settings: Mapped[dict | None] = mapped_column(JSON, nullable=True)
    metadata_json: Mapped[dict | None] = mapped_column(JSON, nullable=True)

    __table_args__ = (
        UniqueConstraint(
            "tenant_id", "workspace_id", "code", name="uq_experience_sites_tenant_code"
        ),
        Index("ix_experience_sites_workspace", "tenant_id", "workspace_id"),
        Index("ix_experience_sites_publish", "tenant_id", "publish_status"),
        Index("ix_experience_sites_tenant_deleted", "tenant_id", "is_deleted"),
    )


class ExperiencePage(
    Base,
    UUIDPrimaryKeyMixin,
    TenantMixin,
    TimestampMixin,
    SoftDeleteMixin,
    ActorAuditMixin,
    OptimisticLockMixin,
):
    """Page-as-resource — typed, publishable; layout/components come in later phases."""

    __tablename__ = "experience_pages"

    workspace_id: Mapped[uuid.UUID] = mapped_column(GUID(), nullable=False)
    site_id: Mapped[uuid.UUID] = mapped_column(GUID(), nullable=False)
    code: Mapped[str] = mapped_column(String(50), nullable=False)
    slug: Mapped[str] = mapped_column(String(200), nullable=False)
    title: Mapped[str] = mapped_column(String(255), nullable=False)
    summary: Mapped[str | None] = mapped_column(Text, nullable=True)
    page_type: Mapped[PageType] = mapped_column(default=PageType.LANDING, nullable=False)
    publish_status: Mapped[PublishStatus] = mapped_column(
        default=PublishStatus.DRAFT, nullable=False
    )
    locale: Mapped[str] = mapped_column(String(16), default="fa", nullable=False)
    text_direction: Mapped[str] = mapped_column(String(3), default="rtl", nullable=False)
    sort_order: Mapped[int] = mapped_column(Integer, default=0, nullable=False)
    is_home: Mapped[bool] = mapped_column(Boolean, default=False, nullable=False)
    published_at: Mapped[datetime | None] = mapped_column(
        DateTime(timezone=True), nullable=True
    )
    archived_at: Mapped[datetime | None] = mapped_column(
        DateTime(timezone=True), nullable=True
    )
    # Content shell only — no builder tree in 11.1
    content_shell: Mapped[dict | None] = mapped_column(JSON, nullable=True)
    seo_shell: Mapped[dict | None] = mapped_column(JSON, nullable=True)
    external_refs: Mapped[dict | None] = mapped_column(JSON, nullable=True)
    metadata_json: Mapped[dict | None] = mapped_column(JSON, nullable=True)

    __table_args__ = (
        UniqueConstraint(
            "tenant_id", "site_id", "code", name="uq_experience_pages_tenant_code"
        ),
        UniqueConstraint(
            "tenant_id", "site_id", "slug", name="uq_experience_pages_tenant_slug"
        ),
        Index("ix_experience_pages_site", "tenant_id", "site_id"),
        Index("ix_experience_pages_type", "tenant_id", "page_type"),
        Index("ix_experience_pages_publish", "tenant_id", "publish_status"),
        Index("ix_experience_pages_tenant_deleted", "tenant_id", "is_deleted"),
    )


class ExperienceSiteDomain(
    Base,
    UUIDPrimaryKeyMixin,
    TenantMixin,
    TimestampMixin,
    SoftDeleteMixin,
    ActorAuditMixin,
):
    """Domain / subdomain binding refs for a site — DNS/SSL remain edge/Core."""

    __tablename__ = "experience_site_domains"

    workspace_id: Mapped[uuid.UUID] = mapped_column(GUID(), nullable=False)
    site_id: Mapped[uuid.UUID] = mapped_column(GUID(), nullable=False)
    host: Mapped[str] = mapped_column(String(255), nullable=False)
    domain_kind: Mapped[DomainKind] = mapped_column(
        default=DomainKind.SUBDOMAIN, nullable=False
    )
    is_primary: Mapped[bool] = mapped_column(Boolean, default=False, nullable=False)
    is_verified: Mapped[bool] = mapped_column(Boolean, default=False, nullable=False)
    verification_token: Mapped[str | None] = mapped_column(String(100), nullable=True)
    path_prefix: Mapped[str | None] = mapped_column(String(100), nullable=True)
    metadata_json: Mapped[dict | None] = mapped_column(JSON, nullable=True)

    __table_args__ = (
        UniqueConstraint(
            "tenant_id", "host", name="uq_experience_site_domains_tenant_host"
        ),
        Index("ix_experience_site_domains_site", "tenant_id", "site_id"),
        Index("ix_experience_site_domains_tenant_deleted", "tenant_id", "is_deleted"),
    )