"""
Format the alert message.
"""

import asyncio
import dataclasses
import json
from typing import (
    Any,
    NoReturn,
    Optional
)

@dataclasses.dataclass
class Message:
    body: str
    formated_body: Optional[str]

def format_alert(
    alert: dict[str, Any]
)->Message:
    """
        Format an alert in json format to a nice string.
    """
    body = json.dumps(alert, indent=4)
    formated_body = f"<pre><code>{body}</code></pre>\n"
    return Message(body, formated_body)

async def format_alerts(
    alert_queue: asyncio.Queue[dict[str,Any]],
    message_queue: asyncio.Queue[Message]
)->NoReturn:
    """
        Read alerts from alert_queue, format them, and put them in message_queue.
    """
    while True:
        alert = await alert_queue.get()
        message = format_alert(alert)
        await message_queue.put(message)
        alert_queue.task_done()