"""Microsoft Teams Workflows(수신 webhook) 로 어댑티브 카드 한 장을 보낸다."""
import os

import httpx

from common.logger import LOG

WEBHOOK_URL_ENV = "TEAMS_WEBHOOK_URL"
TIMEOUT_SEC = 10.0


def is_configured() -> bool:
    return bool(os.environ.get(WEBHOOK_URL_ENV, "").strip())


def _webhook_url() -> str:
    return os.environ.get(WEBHOOK_URL_ENV, "").strip()


def _card(title: str, detail: str) -> dict:
    """Adaptive Card 1.2 — Teams Workflows 가 받는 최소 모양(search_console_alerts.py 와 같은 스키마)."""
    return {
        "type": "message",
        "attachments": [{
            "contentType": "application/vnd.microsoft.card.adaptive",
            "contentUrl": None,
            "content": {
                "$schema": "http://adaptivecards.io/schemas/adaptive-card.json",
                "type": "AdaptiveCard",
                "version": "1.2",
                "body": [
                    {"type": "TextBlock", "text": title, "weight": "Bolder", "wrap": True},
                    {"type": "TextBlock", "text": detail, "wrap": True},
                ],
            },
        }],
    }


async def send(title: str, detail: str) -> bool:
    """설정된 경우에만 보낸다."""
    url = _webhook_url()
    if not url:
        return False
    if not url.startswith("https://"):
        LOG.w("[alert] TEAMS_WEBHOOK_URL_INVALID — https 가 아니다")
        return False
    try:
        async with httpx.AsyncClient(timeout=TIMEOUT_SEC, follow_redirects=False) as client:
            response = await client.post(url, json=_card(title, detail))
            response.raise_for_status()
        return True
    except httpx.HTTPError:
        LOG.w("[alert] TEAMS_DELIVERY_FAILED")
        return False