from typing import Any

from app.config import settings
from app.wechat.client import WeChatClient


class NotificationService:
    def __init__(self):
        self.client = WeChatClient()

    async def send(self, announcements: list[dict[str, Any]]) -> int:
        if not settings.wechat_enabled:
            return 0
        if not announcements:
            return 0

        sent = 0
        for ann in announcements:
            try:
                title = ann.get("title", "")
                if len(title) > 128:
                    title = title[:125] + "..."

                purchase_name = ann.get("purchase_name", "")
                if len(purchase_name) > 25:
                    purchase_name = purchase_name[:22] + "..."

                pub_date = ann.get("publish_date")
                time_str = pub_date.strftime("%Y-%m-%d %H:%M") if pub_date else "时间未知"

                source_name = ann.get("source_name", "")

                description = (
                    f'<div style="font-size: 14px; margin-top: 8px;">'
                    f'{source_name} | {purchase_name} | {time_str}'
                    f'</div>'
                )

                url = ann.get("content_url", "")

                if await self.client.send_textcard(title, description, url):
                    sent += 1
            except Exception:
                continue

        return sent