from aiogram import Router, F
from aiogram.enums import ContentType, ParseMode
from aiogram.types import Message

from messages import *
import tg.tg_database as database

router = Router()


@router.message(F.content_type == ContentType.NEW_CHAT_MEMBERS)
async def user_join_handler(message: Message):
    chat_id = message.chat.id
    chat = database.DB.create_chat_if_not_exists(chat_id)
    if chat['active'] == 0:
        return

    for member in message.new_chat_members:
        if member.is_bot:
            continue

        response = chat['greeting_join'] or MESSAGE_DEFAULT_GREETING_JOIN
        response = response.format(name=f'[{member.first_name}](tg://user?id={member.id})')
        await message.answer(response, parse_mode=ParseMode.MARKDOWN)


@router.message(F.content_type == ContentType.LEFT_CHAT_MEMBER)
async def user_join_handler(message: Message):
    chat_id = message.chat.id
    chat = database.DB.create_chat_if_not_exists(chat_id)
    if chat['active'] == 0:
        return

    member = message.left_chat_member
    if member.is_bot:
        return

    database.DB.delete_user(chat_id, member.id)