import { UNSPLASH_API_KEY } from "./env.ts";

const API_URL = "https://api.unsplash.com";

export async function getImageBySearchTerm(
  searchTerm: string,
): Promise<string | undefined> {
  if (!UNSPLASH_API_KEY) {
    throw new Error("UNSPLASH_API_KEY is not set");
  }

  const url = new URL("/search/photos", API_URL);
  url.searchParams.append("query", searchTerm);
  url.searchParams.append("per_page", "1");
  url.searchParams.append("orientation", "landscape");

  const response = await fetch(url.toString(), {
    headers: {
      Authorization: `Client-ID ${UNSPLASH_API_KEY}`,
    },
  });

  if (!response.ok) {
    throw new Error(`Unsplash API request failed: ${response.statusText}`);
  }

  const data = await response.json();
  return data.results[0]?.urls?.regular;
}