defmodule OpenRouter do
  alias Finch.Request
  @api_base "https://openrouter.ai/api/v1/chat/completions"

  def chat_completion(api_key, model, messages, site_url, site_name) do
    headers = [
      {"Authorization", "Bearer #{api_key}"},
      {"Content-Type", "application/json"},
      {"HTTP-Referer", site_url},
      {"X-Title", site_name}
    ]

    body = %{
      model: model,
      messages: messages
    }
    |> Jason.encode!()

    request = Request.build(:post, @api_base, headers, body)
    Finch.request(request, MyFinch)
  end
end