from pydantic import BaseModel, EmailStr
from typing import Optional, List, Literal
from datetime import date, time

# --- USER SCHEMAS ---
class SignupForm(BaseModel):
    email: EmailStr
    password: str
    full_name: str
    role: Literal['admin', 'doctor', 'patient']

class TokenResponse(BaseModel):
    access_token: str
    token_type: str

# --- DOCTOR CREATION SCHEMA (Admin use only) ---
class DoctorCreate(BaseModel):
    matricule: str
    email: EmailStr
    password: str
    full_name: str
    specialty: str  # ✅ added field


# --- CONTACT INFO ---
class ContactInfo(BaseModel):
    email: Optional[EmailStr] = None
    phone: Optional[str] = None

# --- PATIENT SCHEMA ---
class PatientCreate(BaseModel):
    full_name: str
    date_of_birth: date
    gender: str
    notes: Optional[str] = ""
    address: Optional[str] = None
    national_id: Optional[str] = None
    blood_type: Optional[str] = None
    allergies: Optional[List[str]] = []
    chronic_conditions: Optional[List[str]] = []
    medications: Optional[List[str]] = []
    emergency_contact_name: Optional[str] = None
    emergency_contact_phone: Optional[str] = None
    insurance_provider: Optional[str] = None
    insurance_policy_number: Optional[str] = None
    contact: Optional[ContactInfo] = None

# --- APPOINTMENT SCHEMA ---
class AppointmentCreate(BaseModel):
    patient_id: str  # MongoDB ObjectId as string
    doctor_id: str   # MongoDB ObjectId as string
    date: date
    time: time
    reason: Optional[str] = None