# /opt/docker/dev/service_finder/backend/app/models/system/system.py
import uuid
from datetime import datetime, date
from enum import Enum
from typing import Optional
from sqlalchemy import String, Integer, Boolean, DateTime, text, UniqueConstraint, ForeignKey, Text, Enum as SQLEnum, Date
from sqlalchemy.orm import Mapped, mapped_column
from sqlalchemy.dialects.postgresql import JSONB, UUID
from sqlalchemy.sql import func
from app.database import Base

class ParameterScope(str, Enum):
    GLOBAL = "global"
    COUNTRY = "country"
    REGION = "region"
    ORGANIZATION = "organization"
    USER = "user"

class SystemParameter(Base):
    """ Dinamikus konfigurációs motor (Global -> Org -> User). """
    __tablename__ = "system_parameters"
    __table_args__ = (
        UniqueConstraint('key', 'scope_level', 'scope_id', name='uix_param_scope'),
        {"schema": "system", "extend_existing": True}
    )

    id: Mapped[int] = mapped_column(Integer, primary_key=True, autoincrement=True)
    key: Mapped[str] = mapped_column(String, index=True)
    category: Mapped[str] = mapped_column(String, server_default="general", index=True)
    value: Mapped[dict] = mapped_column(JSONB, nullable=False)
    
    scope_level: Mapped[ParameterScope] = mapped_column(SQLEnum(ParameterScope, name="parameter_scope", schema="system"), server_default=ParameterScope.GLOBAL.value, index=True)
    scope_id: Mapped[Optional[str]] = mapped_column(String(50))
    
    is_active: Mapped[bool] = mapped_column(Boolean, default=True)
    description: Mapped[Optional[str]] = mapped_column(String)
    last_modified_by: Mapped[Optional[int]] = mapped_column(Integer, nullable=True)
    updated_at: Mapped[datetime] = mapped_column(DateTime(timezone=True), onupdate=func.now(), server_default=func.now())

class InternalNotification(Base):
    """
    Belső értesítési központ.
    Ezek az üzenetek várják a felhasználót belépéskor.
    """
    __tablename__ = "internal_notifications"
    __table_args__ = ({"schema": "system", "extend_existing": True})

    id: Mapped[uuid.UUID] = mapped_column(UUID(as_uuid=True), primary_key=True, default=uuid.uuid4)
    user_id: Mapped[int] = mapped_column(ForeignKey("identity.users.id", ondelete="CASCADE"), nullable=False, index=True)
    
    title: Mapped[str] = mapped_column(String(255), nullable=False)
    message: Mapped[str] = mapped_column(Text, nullable=False)
    category: Mapped[str] = mapped_column(String(50), server_default="info")
    priority: Mapped[str] = mapped_column(String(20), server_default="medium")
    
    is_read: Mapped[bool] = mapped_column(Boolean, default=False, index=True)
    read_at: Mapped[Optional[datetime]] = mapped_column(DateTime(timezone=True), nullable=True)
    created_at: Mapped[datetime] = mapped_column(DateTime(timezone=True), server_default=func.now())
    data: Mapped[Optional[dict]] = mapped_column(JSONB, nullable=True)


class SystemDataCompletionWeight(Base):
    """Adatkitöltési súlyok rendszerszintű konfigurációja - mely mezők mennyire fontosak a profil teljességéhez."""
    __tablename__ = "system_data_completion_weights"
    __table_args__ = (
        UniqueConstraint('entity_type', 'field_name', name='uix_entity_field'),
        {"schema": "system"}
    )
    
    id: Mapped[int] = mapped_column(Integer, primary_key=True, autoincrement=True)
    entity_type: Mapped[str] = mapped_column(String(50), nullable=False, index=True)  # pl: "vehicle", "person", "organization"
    field_name: Mapped[str] = mapped_column(String(100), nullable=False, index=True)  # pl: "vin", "license_plate", "email"
    weight_percent: Mapped[int] = mapped_column(Integer, nullable=False)  # 0-100%
    is_mandatory: Mapped[bool] = mapped_column(Boolean, default=False)
    is_active: Mapped[bool] = mapped_column(Boolean, default=True)
    
    description: Mapped[Optional[str]] = mapped_column(Text)
    created_at: Mapped[datetime] = mapped_column(DateTime(timezone=True), server_default=func.now())
    updated_at: Mapped[datetime] = mapped_column(DateTime(timezone=True), server_default=func.now(), onupdate=func.now())
    
    # Shadow column that exists in database (should be removed in future migration)
    is_read: Mapped[bool] = mapped_column(Boolean, default=False, nullable=False)


class SystemServiceStaging(Base):
    """ Robot 1.3 (Scout) által talált nyers szerviz adatok. """
    __tablename__ = "service_staging"
    __table_args__ = {"schema": "system"}

    id: Mapped[int] = mapped_column(Integer, primary_key=True)
    name: Mapped[str] = mapped_column(String(255), index=True)
    source: Mapped[str] = mapped_column(String(50))
    external_id: Mapped[Optional[str]] = mapped_column(String(100), index=True)
    fingerprint: Mapped[str] = mapped_column(String(64), unique=True, index=True)
    
    postal_code: Mapped[Optional[str]] = mapped_column(String(20), index=True)
    city: Mapped[str] = mapped_column(String(100), index=True)
    full_address: Mapped[Optional[str]] = mapped_column(String(500))
    contact_phone: Mapped[Optional[str]] = mapped_column(String(50))
    website: Mapped[Optional[str]] = mapped_column(String(255))
    contact_email: Mapped[Optional[str]] = mapped_column(String(255), nullable=True)
    
    raw_data: Mapped[dict] = mapped_column(JSONB, server_default=text("'{}'::jsonb"))
    status: Mapped[str] = mapped_column(String(20), default="pending", index=True)
    trust_score: Mapped[int] = mapped_column(Integer, default=30)
    
    created_at: Mapped[datetime] = mapped_column(DateTime(timezone=True), server_default=func.now())
    updated_at: Mapped[Optional[datetime]] = mapped_column(DateTime(timezone=True), onupdate=func.now())
    
    # JAVÍTÁS: Ezeket az oszlopokat vissza kell tenni, mert az audit szerint 
    # az adatbázisban léteznek a system.service_staging táblában.
    read_at: Mapped[Optional[datetime]] = mapped_column(DateTime(timezone=True), nullable=True)
    data: Mapped[Optional[dict]] = mapped_column(JSONB, nullable=True)