import logging

import httpx

logger = logging.getLogger(__name__)

QRCODE_CREATE_URL = "https://api.weixin.qq.com/cgi-bin/qrcode/create"
QRCODE_SHOW_URL = "https://mp.weixin.qq.com/cgi-bin/showqrcode"


class WeChatQRCode:

    def __init__(self, gateway):
        self._gateway = gateway

    async def create_temp(self, scene_str: str, expire_seconds: int = 2592000) -> dict | None:
        token = self._gateway.access_token if self._gateway else None
        if not token:
            return None

        payload = {
            "expire_seconds": min(expire_seconds, 2592000),
            "action_name": "QR_STR_SCENE",
            "action_info": {"scene": {"scene_str": scene_str}},
        }
        try:
            async with httpx.AsyncClient(timeout=10.0) as client:
                resp = await client.post(f"{QRCODE_CREATE_URL}?access_token={token}", json=payload)
                data = resp.json()
                if "ticket" in data:
                    return {
                        "ticket": data["ticket"],
                        "expire_seconds": data.get("expire_seconds", 0),
                        "url": data.get("url", ""),
                        "qrcode_url": f"{QRCODE_SHOW_URL}?ticket={data['ticket']}",
                    }
                logger.warning(
                    "Create temp qrcode failed: errcode=%s errmsg=%s",
                    data.get("errcode"),
                    data.get("errmsg"),
                )
        except Exception:
            logger.exception("Create temp qrcode exception")
        return None

    async def create_permanent(self, scene_str: str) -> dict | None:
        token = self._gateway.access_token if self._gateway else None
        if not token:
            return None

        payload = {
            "action_name": "QR_LIMIT_STR_SCENE",
            "action_info": {"scene": {"scene_str": scene_str}},
        }
        try:
            async with httpx.AsyncClient(timeout=10.0) as client:
                resp = await client.post(f"{QRCODE_CREATE_URL}?access_token={token}", json=payload)
                data = resp.json()
                if "ticket" in data:
                    return {
                        "ticket": data["ticket"],
                        "url": data.get("url", ""),
                        "qrcode_url": f"{QRCODE_SHOW_URL}?ticket={data['ticket']}",
                    }
                logger.warning(
                    "Create permanent qrcode failed: errcode=%s errmsg=%s",
                    data.get("errcode"),
                    data.get("errmsg"),
                )
        except Exception:
            logger.exception("Create permanent qrcode exception")
        return None