from typing import Any

import httpx

from app.core.config import settings


class ApiClient:
    def __init__(self) -> None:
        self.base_url = settings.api_base_url.rstrip("/")

    def headers(self, telegram_id: int | None = None) -> dict[str, str]:
        headers = {"X-Internal-API-Token": settings.internal_api_token}
        if telegram_id is not None:
            headers["X-Telegram-User-Id"] = str(telegram_id)
        return headers

    async def upsert_user(self, telegram_user: Any) -> dict[str, Any]:
        payload = {
            "telegram_id": telegram_user.id,
            "username": telegram_user.username,
            "first_name": telegram_user.first_name,
            "last_name": telegram_user.last_name,
        }
        async with httpx.AsyncClient(base_url=self.base_url, timeout=10) as client:
            response = await client.post("/api/users", json=payload, headers=self.headers())
            response.raise_for_status()
            return response.json()

    async def list_cars(self, owner_id: int, telegram_id: int) -> list[dict[str, Any]]:
        async with httpx.AsyncClient(base_url=self.base_url, timeout=10) as client:
            response = await client.get(
                "/api/cars", params={"owner_id": owner_id}, headers=self.headers(telegram_id)
            )
            response.raise_for_status()
            return response.json()

    async def create_car(self, owner_id: int, name: str, telegram_id: int) -> dict[str, Any]:
        async with httpx.AsyncClient(base_url=self.base_url, timeout=10) as client:
            response = await client.post(
                "/api/cars",
                json={"owner_id": owner_id, "name": name},
                headers=self.headers(telegram_id),
            )
            response.raise_for_status()
            return response.json()

    async def stats(self, car_id: int, telegram_id: int) -> dict[str, Any]:
        async with httpx.AsyncClient(base_url=self.base_url, timeout=10) as client:
            response = await client.get(f"/api/cars/{car_id}/stats", headers=self.headers(telegram_id))
            response.raise_for_status()
            return response.json()