from __future__ import annotations

import uuid
from typing import Any

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

from govoplan_core.db.base import Base, TimestampMixin


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


class MailServerProfile(Base, TimestampMixin):
    __tablename__ = "mail_server_profiles"
    __table_args__ = (
        UniqueConstraint("tenant_id", "slug", name="uq_mail_server_profiles_tenant_slug"),
        Index("ix_mail_server_profiles_scope", "scope_type", "scope_id"),
    )

    id: Mapped[str] = mapped_column(String(36), primary_key=True, default=new_uuid)
    tenant_id: Mapped[str | None] = mapped_column(ForeignKey("tenants.id", ondelete="CASCADE"), nullable=True, index=True)
    scope_type: Mapped[str] = mapped_column(String(20), default="tenant", nullable=False, index=True)
    scope_id: Mapped[str | None] = mapped_column(String(36), nullable=True, index=True)
    name: Mapped[str] = mapped_column(String(255), nullable=False)
    slug: Mapped[str] = mapped_column(String(100), nullable=False)
    description: Mapped[str | None] = mapped_column(Text)
    is_active: Mapped[bool] = mapped_column(Boolean, default=True, nullable=False, index=True)
    smtp_config: Mapped[dict[str, Any]] = mapped_column(JSON, default=dict, nullable=False)
    smtp_password_encrypted: Mapped[str | None] = mapped_column(Text)
    imap_config: Mapped[dict[str, Any] | None] = mapped_column(JSON, nullable=True)
    imap_password_encrypted: Mapped[str | None] = mapped_column(Text)
    created_by_user_id: Mapped[str | None] = mapped_column(ForeignKey("users.id", ondelete="SET NULL"), nullable=True, index=True)
    updated_by_user_id: Mapped[str | None] = mapped_column(ForeignKey("users.id", ondelete="SET NULL"), nullable=True, index=True)

    tenant: Mapped["Tenant"] = relationship()