import json
from typing import Any, Dict, List, Optional
from urllib import parse, request


class GiteaClient:
    def __init__(self, api_url: str, token: str = "") -> None:
        self.api_url = api_url.rstrip("/")
        self.token = token

    def _headers(self) -> Dict[str, str]:
        headers = {"Accept": "application/json"}
        if self.token:
            headers["Authorization"] = f"token {self.token}"
        return headers

    def _get(self, path: str, params: Optional[Dict[str, str]] = None) -> Any:
        url = f"{self.api_url}{path}"
        if params:
            url = f"{url}?{parse.urlencode(params)}"
        req = request.Request(url, headers=self._headers())
        with request.urlopen(req) as response:
            payload = response.read().decode("utf-8")
        return json.loads(payload)

    def search_repos(self, query: str) -> List[Dict[str, Any]]:
        return self._get("/repos/search", {"q": query}).get("data", [])

    def repo_info(self, owner: str, repo: str) -> Dict[str, Any]:
        return self._get(f"/repos/{owner}/{repo}")

    def releases(self, owner: str, repo: str) -> List[Dict[str, Any]]:
        return self._get(f"/repos/{owner}/{repo}/releases")