"""
بات نوبت‌دهی کلینیک — نسخه رایگان
Clinic Appointment Bot (Bale)
بات‌بان | hi@botban.ir
"""
import os, time, sqlite3, logging
from datetime import date, timedelta
from typing import Any
import requests
from dotenv import load_dotenv

load_dotenv()
log = logging.getLogger(__name__)

TOKEN: str = os.getenv("BALE_BOT_TOKEN", "")
BASE_URL: str = f"https://tapi.bale.ai/bot{TOKEN}"
DB_PATH: str = os.path.join(os.path.dirname(__file__), "appointments.db")
DOCTOR_IDS: set[int] = {int(x) for x in os.getenv("DOCTOR_IDS","").split(",") if x.strip().isdigit()}

# محدودیت نسخه رایگان: فقط ۲ پزشک، فقط فردا
DOCTORS: dict[str, dict] = {
    "dr_rezavi": {
        "name": "دکتر رضوی",
        "specialty": "اطفال",
        "slots": ["۱۶:۳۰", "۱۷:۰۰", "۱۷:۳۰", "۱۸:۰۰"],
    },
    "dr_karimi": {
        "name": "دکتر کریمی",
        "specialty": "داخلی",
        "slots": ["۹:۰۰", "۹:۳۰", "۱۰:۰۰", "۱۰:۳۰", "۱۱:۰۰"],
    },
}

sessions: dict[int, dict] = {}

def tomorrow_str() -> str:
    return (date.today() + timedelta(days=1)).strftime("%Y-%m-%d")

def doctors_keyboard() -> dict:
    return {"inline_keyboard": [
        [{"text": f"👨‍⚕️ {d['name']} ({d['specialty']})", "callback_data": f"doc:{key}"}]
        for key, d in DOCTORS.items()
    ]}

def slots_keyboard(doctor_key: str, appt_date: str) -> dict:
    booked = get_booked_slots(doctor_key, appt_date)
    doctor = DOCTORS[doctor_key]
    buttons = [
        [{"text": f"🔴 {s} پر", "callback_data": "slot_taken"}] if s in booked
        else [{"text": f"🟢 {s}", "callback_data": f"slot:{doctor_key}:{appt_date}:{s}"}]
        for s in doctor["slots"]
    ]
    buttons.append([{"text": "🔙 بازگشت", "callback_data": "back_doctors"}])
    return {"inline_keyboard": buttons}

def book_appointment(user_id: int, user_name: str, doctor_key: str, appt_date: str, slot: str) -> int:
    return db_run(
        "INSERT INTO appointments (user_id,user_name,doctor_key,appt_date,slot) VALUES (?,?,?,?,?)",
        (user_id, user_name, doctor_key, appt_date, slot)
    )

# ... ادامه کد (تا ۱۳۷ خط دیگر)
# نسخه کامل + مستندات + دیتابیس → hi@botban.ir