import httpx


class VNDBClient:
    def __init__(self, base_url):
        self.base = base_url.rstrip("/")
        self.client = httpx.AsyncClient(timeout=10)

    async def _post(self, endpoint, payload):
        try:
            r = await self.client.post(f"{self.base}/{endpoint}", json=payload)

            if r.status_code != 200:
                return None

            data = r.json()
            return data.get("results", [])
        except Exception:
            return None

    async def search_vn(self, query):
        query = query.strip()

        return await self._post("vn", {
            "filters": ["search", query],
            "fields": "id,title,original,released,rating,votecount",
            "results": 5
        })

    async def get_vn(self, vid):
        res = await self._post("vn", {
            "filters": ["id", "=", vid],
            "fields": "id,title,original,released,rating,votecount",
            "results": 1
        })
        return res[0] if res else None

    async def get_char(self, cid):
        res = await self._post("character", {
            "filters": ["id", "=", cid],
            "fields": "id,name,original",
            "results": 1
        })
        return res[0] if res else None

    async def get_release(self, rid):
        res = await self._post("release", {
            "filters": ["id", "=", rid],
            "fields": "id,title,released",
            "results": 1
        })
        return res[0] if res else None