"""Gitea transport adapter.

This module owns HTTP mechanics only. Review policy, parsing, and publishing
decisions stay in the review layer so they can be tested without a network.
"""
from __future__ import annotations

import json
import urllib.error
import urllib.request


def request(
    method: str,
    url: str,
    token: str,
    body: dict | None = None,
    accept: str = "application/json",
) -> tuple[int, bytes]:
    headers = {"Authorization": f"token {token}", "Accept": accept}
    data = None
    if body is not None:
        data = json.dumps(body).encode()
        headers["Content-Type"] = "application/json"
    req = urllib.request.Request(url, data=data, headers=headers, method=method)
    try:
        with urllib.request.urlopen(req, timeout=180) as response:
            return response.status, response.read()
    except urllib.error.HTTPError as exc:
        return exc.code, exc.read()
    except urllib.error.URLError as exc:
        raise RuntimeError(f"network error: {exc.reason}") from exc


class GiteaClient:
    """Small adapter for repository-scoped Gitea calls."""

    def __init__(self, api: str, token: str):
        self.api = api.rstrip("/")
        self.token = token

    def get(self, path: str, accept: str = "application/json") -> tuple[int, bytes]:
        return request("GET", f"{self.api}/api/v1/repos/{path}", self.token, accept=accept)

    def post(self, path: str, body: dict) -> tuple[int, bytes]:
        return request("POST", f"{self.api}/api/v1/repos/{path}", self.token, body)