from app.settings_cache import SettingsCache
from app.conversation import get_or_create_user, get_template_rendered
from app.fsm import BotState, FSM
from app.keyboards.inline import build_main_menu_buttons


async def handle_reminders(bot, user_data: dict, db, max_api):
    max_user_id = user_data["user_id"]
    text = user_data.get("text", "").strip()

    if FSM.get_state(max_user_id) != BotState.FEATURE_REMINDERS:
        FSM.set_state(max_user_id, BotState.FEATURE_REMINDERS)
        user = await get_or_create_user(db, max_user_id)
        phone = user.phone or ""

        from sqlalchemy import select, func
        from app.models.models import BotConversation, BotTicket, Customer

        open_convs = await db.execute(
            select(func.count(BotConversation.id))
            .where(BotConversation.status.in_(["open", "handoff"]))
        )
        total_open = open_convs.scalar() or 0

        open_tickets = await db.execute(
            select(func.count(BotTicket.id))
            .where(BotTicket.status.in_(["open", "in_progress"]))
        )
        total_tickets = open_tickets.scalar() or 0

        my_convs = await db.execute(
            select(func.count(BotConversation.id))
            .where(BotConversation.user_id == user.id, BotConversation.status.in_(["open", "handoff"]))
        )
        my_open = my_convs.scalar() or 0

        text = (
            "🔔 **Напоминания**\n\n"
            f"У вас открыто обращений: {my_open}\n"
            f"Всего в системе: {total_open} обращений, {total_tickets} заявок\n\n"
            "Напоминания о плановом ТО настраиваются в портале."
        )
        await max_api.send_message(max_user_id, text, format="markdown")
        FSM.transition(max_user_id, "done")
        buttons = build_main_menu_buttons()
        menu_text = await get_template_rendered(db, "main_menu")
        await max_api.send_message_with_keyboard(max_user_id, menu_text, buttons)
        return