"""Authentication schemas."""
from datetime import datetime
from typing import Optional

from pydantic import BaseModel, EmailStr, Field


class UserCreate(BaseModel):
    """Schema for user registration."""
    email: EmailStr
    password: str = Field(..., min_length=8, max_length=100)
    name: Optional[str] = Field(None, max_length=100)
    # Yield referral tracking
    ref: Optional[str] = Field(None, max_length=100, description="Referral code from yield domain")


class UserLogin(BaseModel):
    """Schema for user login."""
    email: EmailStr
    password: str


class UserResponse(BaseModel):
    """Schema for user response."""
    id: int
    email: str
    name: Optional[str]
    is_active: bool
    is_verified: bool
    is_admin: bool = False
    created_at: datetime
    
    class Config:
        from_attributes = True


class Token(BaseModel):
    """Schema for JWT token response."""
    access_token: str
    token_type: str = "bearer"
    expires_in: int


class LoginResponse(BaseModel):
    """Login response when using HttpOnly cookie authentication."""
    expires_in: int


class TokenData(BaseModel):
    """Schema for token payload data."""
    user_id: Optional[int] = None
    email: Optional[str] = None


class ReferralStats(BaseModel):
    """Referral reward snapshot for the current user (3C.2)."""

    window_days: int = 30
    referred_users_total: int = 0
    qualified_referrals_total: int = 0
    referral_link_views_window: int = 0
    bonus_domains: int = 0
    next_reward_at: int = 0
    badge: Optional[str] = None  # "verified_referrer" | "elite_referrer"
    cooldown_days: int = 7
    disqualified_cooldown_total: int = 0
    disqualified_missing_ip_total: int = 0
    disqualified_shared_ip_total: int = 0
    disqualified_duplicate_ip_total: int = 0


class ReferralLinkResponse(BaseModel):
    invite_code: str
    url: str
    stats: ReferralStats