"""
Models for User Service
"""

import uuid
from pydantic import BaseModel, Field, EmailStr
from typing import List, Dict, Any, Optional
from datetime import datetime
from enum import Enum
from modules.shared.attributeUtils import register_model_labels, AttributeDefinition, ModelMixin
from modules.shared.timezoneUtils import get_utc_timestamp

class AuthAuthority(str, Enum):
    """Authentication authority enum"""
    LOCAL = "local"
    GOOGLE = "google"
    MSFT = "msft"

class UserPrivilege(str, Enum):
    """User privilege levels"""
    SYSADMIN = "sysadmin"
    ADMIN = "admin"
    USER = "user"

class ConnectionStatus(str, Enum):
    """Connection status"""
    ACTIVE = "active"
    EXPIRED = "expired"
    REVOKED = "revoked"
    PENDING = "pending"

class Mandate(BaseModel, ModelMixin):
    """Data model for a mandate"""
    id: str = Field(
        default_factory=lambda: str(uuid.uuid4()), 
        description="Unique ID of the mandate",
        frontend_type="text",
        frontend_readonly=True,
        frontend_required=False
    )
    name: str = Field(
        description="Name of the mandate",
        frontend_type="text",
        frontend_readonly=False,
        frontend_required=True
    )
    language: str = Field(
        default="en", 
        description="Default language of the mandate",
        frontend_type="select",
        frontend_readonly=False,
        frontend_required=True,
        frontend_options=[
            {"value": "de", "label": {"en": "Deutsch", "fr": "Allemand"}},
            {"value": "en", "label": {"en": "English", "fr": "Anglais"}},
            {"value": "fr", "label": {"en": "Français", "fr": "Français"}},
            {"value": "it", "label": {"en": "Italiano", "fr": "Italien"}}
        ]
    )
    enabled: bool = Field(
        default=True, 
        description="Indicates whether the mandate is enabled",
        frontend_type="checkbox",
        frontend_readonly=False,
        frontend_required=False
    )

# Register labels for Mandate
register_model_labels(
    "Mandate",
    {"en": "Mandate", "fr": "Mandat"},
    {
        "id": {"en": "ID", "fr": "ID"},
        "name": {"en": "Name", "fr": "Nom"},
        "language": {"en": "Language", "fr": "Langue"},
        "enabled": {"en": "Enabled", "fr": "Activé"}
    }
)

class UserConnection(BaseModel, ModelMixin):
    """Data model for a user's connection to an external service"""
    id: str = Field(
        default_factory=lambda: str(uuid.uuid4()), 
        description="Unique ID of the connection",
        frontend_type="text",
        frontend_readonly=True,
        frontend_required=False
    )
    userId: str = Field(
        description="ID of the user this connection belongs to",
        frontend_type="text",
        frontend_readonly=True,
        frontend_required=False
    )
    authority: AuthAuthority = Field(
        description="Authentication authority",
        frontend_type="select",
        frontend_readonly=True,
        frontend_required=False,
        frontend_options=[
            {"value": "local", "label": {"en": "Local", "fr": "Local"}},
            {"value": "google", "label": {"en": "Google", "fr": "Google"}},
            {"value": "msft", "label": {"en": "Microsoft", "fr": "Microsoft"}}
        ]
    )
    externalId: str = Field(
        description="User ID in the external system",
        frontend_type="text",
        frontend_readonly=True,
        frontend_required=False
    )
    externalUsername: str = Field(
        description="Username in the external system",
        frontend_type="text",
        frontend_readonly=False,
        frontend_required=False
    )
    externalEmail: Optional[EmailStr] = Field(
        None, 
        description="Email in the external system",
        frontend_type="email",
        frontend_readonly=False,
        frontend_required=False
    )
    status: ConnectionStatus = Field(
        default=ConnectionStatus.ACTIVE, 
        description="Connection status",
        frontend_type="select",
        frontend_readonly=False,
        frontend_required=False,
        frontend_options=[
            {"value": "active", "label": {"en": "Active", "fr": "Actif"}},
            {"value": "inactive", "label": {"en": "Inactive", "fr": "Inactif"}},
            {"value": "expired", "label": {"en": "Expired", "fr": "Expiré"}},
            {"value": "pending", "label": {"en": "Pending", "fr": "En attente"}}
        ]
    )
    connectedAt: float = Field(
        default_factory=get_utc_timestamp, 
        description="When the connection was established (UTC timestamp in seconds)",
        frontend_type="timestamp",
        frontend_readonly=True,
        frontend_required=False
    )
    lastChecked: float = Field(
        default_factory=get_utc_timestamp, 
        description="When the connection was last verified (UTC timestamp in seconds)",
        frontend_type="timestamp",
        frontend_readonly=True,
        frontend_required=False
    )
    expiresAt: Optional[float] = Field(
        None, 
        description="When the connection expires (UTC timestamp in seconds)",
        frontend_type="timestamp",
        frontend_readonly=True,
        frontend_required=False
    )
    tokenStatus: Optional[str] = Field(
        None, 
        description="Current token status: active, expired, none",
        frontend_type="select",
        frontend_readonly=True,
        frontend_required=False,
        frontend_options=[
            {"value": "active", "label": {"en": "Active", "fr": "Actif"}},
            {"value": "expired", "label": {"en": "Expired", "fr": "Expiré"}},
            {"value": "none", "label": {"en": "None", "fr": "Aucun"}}
        ]
    )
    tokenExpiresAt: Optional[float] = Field(
        None, 
        description="When the current token expires (UTC timestamp in seconds)",
        frontend_type="timestamp",
        frontend_readonly=True,
        frontend_required=False
    )

# Register labels for UserConnection
register_model_labels(
    "UserConnection",
    {"en": "User Connection", "fr": "Connexion utilisateur"},
    {
        "id": {"en": "ID", "fr": "ID"},
        "userId": {"en": "User ID", "fr": "ID utilisateur"},
        "authority": {"en": "Authority", "fr": "Autorité"},
        "externalId": {"en": "External ID", "fr": "ID externe"},
        "externalUsername": {"en": "External Username", "fr": "Nom d'utilisateur externe"},
        "externalEmail": {"en": "External Email", "fr": "Email externe"},
        "status": {"en": "Status", "fr": "Statut"},
        "connectedAt": {"en": "Connected At", "fr": "Connecté le"},
        "lastChecked": {"en": "Last Checked", "fr": "Dernière vérification"},
        "expiresAt": {"en": "Expires At", "fr": "Expire le"},
        "tokenStatus": {"en": "Connection Status", "fr": "Statut de connexion"},
        "tokenExpiresAt": {"en": "Expires At", "fr": "Expire le"}
    }
)



class User(BaseModel, ModelMixin):
    """Data model for a user"""
    id: str = Field(
        default_factory=lambda: str(uuid.uuid4()), 
        description="Unique ID of the user",
        frontend_type="text",
        frontend_readonly=True,
        frontend_required=False
    )
    username: str = Field(
        description="Username for login",
        frontend_type="text",
        frontend_readonly=False,
        frontend_required=True
    )
    email: Optional[EmailStr] = Field(
        None, 
        description="Email address of the user",
        frontend_type="email",
        frontend_readonly=False,
        frontend_required=True
    )
    fullName: Optional[str] = Field(
        None, 
        description="Full name of the user",
        frontend_type="text",
        frontend_readonly=False,
        frontend_required=False
    )
    language: str = Field(
        default="en", 
        description="Preferred language of the user",
        frontend_type="select",
        frontend_readonly=False,
        frontend_required=True,
        frontend_options=[
            {"value": "de", "label": {"en": "Deutsch", "fr": "Allemand"}},
            {"value": "en", "label": {"en": "English", "fr": "Anglais"}},
            {"value": "fr", "label": {"en": "Français", "fr": "Français"}},
            {"value": "it", "label": {"en": "Italiano", "fr": "Italien"}}
        ]
    )
    enabled: bool = Field(
        default=True, 
        description="Indicates whether the user is enabled",
        frontend_type="checkbox",
        frontend_readonly=False,
        frontend_required=False
    )
    privilege: UserPrivilege = Field(
        default=UserPrivilege.USER, 
        description="Permission level",
        frontend_type="select",
        frontend_readonly=False,
        frontend_required=True,
        frontend_options=[
            {"value": "user", "label": {"en": "User", "fr": "Utilisateur"}},
            {"value": "admin", "label": {"en": "Admin", "fr": "Administrateur"}},
            {"value": "sysadmin", "label": {"en": "SysAdmin", "fr": "Administrateur système"}}
        ]
    )
    authenticationAuthority: AuthAuthority = Field(
        default=AuthAuthority.LOCAL, 
        description="Primary authentication authority",
        frontend_type="select",
        frontend_readonly=True,
        frontend_required=False,
        frontend_options=[
            {"value": "local", "label": {"en": "Local", "fr": "Local"}},
            {"value": "google", "label": {"en": "Google", "fr": "Google"}},
            {"value": "msft", "label": {"en": "Microsoft", "fr": "Microsoft"}}
        ]
    )
    mandateId: Optional[str] = Field(
        None, 
        description="ID of the mandate this user belongs to",
        frontend_type="text",
        frontend_readonly=True,
        frontend_required=False
    )

# Register labels for User
register_model_labels(
    "User",
    {"en": "User", "fr": "Utilisateur"},
    {
        "id": {"en": "ID", "fr": "ID"},
        "username": {"en": "Username", "fr": "Nom d'utilisateur"},
        "email": {"en": "Email", "fr": "Email"},
        "fullName": {"en": "Full Name", "fr": "Nom complet"},
        "language": {"en": "Language", "fr": "Langue"},
        "enabled": {"en": "Enabled", "fr": "Activé"},
        "privilege": {"en": "Privilege", "fr": "Privilège"},
        "authenticationAuthority": {"en": "Auth Authority", "fr": "Autorité d'authentification"},
        "mandateId": {"en": "Mandate ID", "fr": "ID de mandat"}
    }
)

class UserInDB(User):
    """Extended user class with password hash"""
    hashedPassword: Optional[str] = Field(None, description="Hash of the user password")

# Register labels for UserInDB
register_model_labels(
    "UserInDB",
    {"en": "User Access", "fr": "Accès de l'utilisateur"},
    {
        "hashedPassword": {"en": "Password hash", "fr": "Hachage de mot de passe"}
    }
)

# Token Models
class Token(BaseModel, ModelMixin):
    """Token model for all authentication types"""
    id: Optional[str] = None
    userId: str
    authority: AuthAuthority
    connectionId: Optional[str] = Field(None, description="ID of the connection this token belongs to")
    tokenAccess: str
    tokenType: str = "bearer"
    expiresAt: float = Field(description="When the token expires (UTC timestamp in seconds)")
    tokenRefresh: Optional[str] = None
    createdAt: Optional[float] = Field(None, description="When the token was created (UTC timestamp in seconds)")

    class Config:
        useEnumValues = True

# Register labels for Token
register_model_labels(
    "Token",
    {"en": "Token", "fr": "Jeton"},
    {
        "id": {"en": "ID", "fr": "ID"},
        "userId": {"en": "User ID", "fr": "ID utilisateur"},
        "authority": {"en": "Authority", "fr": "Autorité"},
        "connectionId": {"en": "Connection ID", "fr": "ID de connexion"},
        "tokenAccess": {"en": "Access Token", "fr": "Jeton d'accès"},
        "tokenType": {"en": "Token Type", "fr": "Type de jeton"},
        "expiresAt": {"en": "Expires At", "fr": "Expire le"},
        "tokenRefresh": {"en": "Refresh Token", "fr": "Jeton de rafraîchissement"},
        "createdAt": {"en": "Created At", "fr": "Créé le"}
    }
)

class LocalToken(Token):
    """Local authentication token model"""
    pass

class GoogleToken(Token):
    """Google OAuth token model"""
    pass

class MsftToken(Token):
    """Microsoft OAuth token model"""
    pass