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"""Pydantic request/response schemas for the AmanPay API."""

from __future__ import annotations

from typing import List, Optional

from pydantic import BaseModel, Field


class EnrollRequest(BaseModel):
    user_id: str = Field(..., description="Unique identifier for the user")
    face_image: str = Field(..., description="Base64-encoded face image")
    fingerprint_image: str = Field(..., description="Base64-encoded fingerprint image")


class AuthRequest(BaseModel):
    user_id: str
    face_image: str
    fingerprint_image: str


class VerifyRequest(BaseModel):
    face1: str
    fp1: str
    face2: str
    fp2: str


class EnrollResponse(BaseModel):
    success: bool
    user_id: str
    face_liveness: float
    fp_liveness: float
    reason: Optional[str] = None


class AuthResponse(BaseModel):
    success: bool
    similarity: float
    threshold: float
    face_liveness: float
    fp_liveness: float
    confidence: Optional[float] = None
    face_quality: Optional[float] = None
    fp_quality: Optional[float] = None
    protected: Optional[bool] = None
    deepfake_score: Optional[float] = None
    is_deepfake: Optional[bool] = None
    reason: Optional[str] = None


class VerifyResponse(BaseModel):
    fused_similarity: float
    face_similarity: float
    fingerprint_similarity: float


class PasskeyRegisterRequest(BaseModel):
    user_id: str
    public_key: str = Field(..., description="Base64 raw Ed25519 device public key")


class ChallengeRequest(BaseModel):
    user_id: str


class ChallengeResponse(BaseModel):
    user_id: str
    challenge: str = Field(..., description="Base64 single-use nonce to sign")


class PasskeyAuthRequest(BaseModel):
    user_id: str
    challenge: str
    signature: str = Field(..., description="Base64 Ed25519 signature over the challenge")
    face_image: str
    fingerprint_image: str


class PasskeyAuthResponse(BaseModel):
    success: bool
    biometric_success: bool
    similarity: float
    factors: Optional[List[str]] = None
    reason: Optional[str] = None


class HealthResponse(BaseModel):
    status: str
    model_loaded: bool
    device: str


class UserListResponse(BaseModel):
    users: List[str]