"""Pydantic schemas for API Key requests/responses."""

from datetime import datetime
from typing import Optional, List
from pydantic import BaseModel, Field


class APIKeyBase(BaseModel):
    """Base API key schema."""
    name: str = Field(..., min_length=1, max_length=100)
    scopes: Optional[List[str]] = None
    expires_at: Optional[datetime] = None


class APIKeyCreate(APIKeyBase):
    """Schema for creating an API key."""
    pass


class APIKeyUpdate(BaseModel):
    """Schema for updating an API key."""
    name: Optional[str] = Field(None, min_length=1, max_length=100)
    scopes: Optional[List[str]] = None
    is_active: Optional[bool] = None
    expires_at: Optional[datetime] = None


class APIKey(BaseModel):
    """Schema for API key response (without the actual key)."""
    id: str
    user_id: str
    name: str
    key_prefix: str
    scopes: Optional[List[str]] = None
    is_active: bool
    last_used_at: Optional[datetime] = None
    last_used_ip: Optional[str] = None
    usage_count: int = 0
    expires_at: Optional[datetime] = None
    created_at: datetime
    updated_at: datetime

    class Config:
        from_attributes = True


class APIKeyWithSecret(APIKey):
    """Schema for API key response with the actual key (only on creation)."""
    key: str  # The actual API key - only shown once


class APIKeyList(BaseModel):
    """Schema for paginated API key list."""
    items: List[APIKey]
    total: int