from nio import AsyncClient
import re
import markdown


async def send_room_message(client: AsyncClient,
                            room_id: str,
                            reply_message: str,
                            sender_id: str = '',
                            user_message: str = '',
                            reply_to_event_id: str = '',
                            markdown_formatted: bool = False) -> None:
    NORMAL_BODY = content = {"msgtype": "m.text", "body": reply_message, }
    if reply_to_event_id == '':
        if markdown_formatted:
            # only format message contains multiline codes
            if re.search(r"```", reply_message) is not None:
                content = {
                    "msgtype": "m.text",
                    "body": reply_message,
                    "format": "org.matrix.custom.html",
                    "formatted_body": markdown.markdown(reply_message, extensions=['nl2br', 'tables', 'fenced_code'])
                }
            else:
                content = NORMAL_BODY

        else:
            content = NORMAL_BODY
    else:
        body = r'> <' + sender_id + r'> ' + user_message + r'\n\n' + reply_message
        format = r'org.matrix.custom.html'
        formatted_body = r'<mx-reply><blockquote><a href="https://matrix.to/#/' + room_id + r'/' + reply_to_event_id \
            + r'">In reply to</a> <a href="https://matrix.to/#/' + sender_id + r'">' + sender_id  \
            + r'</a><br>' + user_message + r'</blockquote></mx-reply>' + reply_message

        content = {"msgtype": "m.text", "body": body, "format": format, "formatted_body": formatted_body,
                   "m.relates_to": {"m.in_reply_to": {"event_id": reply_to_event_id}}, }
    await client.room_send(
        room_id,
        message_type="m.room.message",
        content=content,
        ignore_unverified_devices=True,
    )
    await client.room_typing(room_id, typing_state=False)