from __future__ import annotations

import json
from typing import Any, Dict, Optional

from .HTTP import HTTPClient


class ApiError(Exception):
    """Base exception for API errors."""
    pass


class API:
    """Base class for API clients using the internal HTTPClient."""

    def __init__(self, base_url: str, timeout: float = 10.0) -> None:
        self.base_url = str(base_url or "").rstrip("/")
        self.timeout = float(timeout)

    def _get_json(
        self,
        path: str,
        params: Optional[Dict[str, Any]] = None,
        headers: Optional[Dict[str, str]] = None,
    ) -> Dict[str, Any]:
        url = f"{self.base_url}/{str(path or '').lstrip('/')}"
        try:
            with HTTPClient(timeout=self.timeout, headers=headers) as client:
                response = client.get(url, params=params, allow_redirects=True)
                response.raise_for_status()
                return response.json()
        except Exception as exc:
            raise ApiError(f"API request failed for {url}: {exc}") from exc

    def _post_json(
        self,
        path: str,
        json_data: Optional[Dict[str, Any]] = None,
        params: Optional[Dict[str, Any]] = None,
        headers: Optional[Dict[str, str]] = None,
    ) -> Dict[str, Any]:
        url = f"{self.base_url}/{str(path or '').lstrip('/')}"
        try:
            with HTTPClient(timeout=self.timeout, headers=headers) as client:
                response = client.post(url, json=json_data, params=params, allow_redirects=True)
                response.raise_for_status()
                return response.json()
        except Exception as exc:
            raise ApiError(f"API request failed for {url}: {exc}") from exc