defmodule TmdbElixir.Search do
  @moduledoc """
  Used for making calls to search within TMDb.
  """

  alias TmdbElixir.Base

  @doc """
  Search for movies by their original, translated and alternative titles.

  Returns a map with a paginated list of movie search results.

  Accepts query params listed in the [TMDb Docs](https://developer.themoviedb.org/reference/search-movie) in the form of a map.

  ## Examples

      iex> TmdbElixir.Search.movies("spongebob")
      %{
        "page" => 1,
        "results" => [
          %{
            "title" => "The SpongeBob SquarePants Movie",
            ...
          },
          ...
        ],,
        "total_pages" => 10,
        "total_results" => 250
      }
  """
  def movies(query, params \\ %{}) do
    search("movie", query, params)
  end

  @doc """
  Search for people by their name and also known as names.

  Returns a map with a paginated list of person search results.

  Accepts query params listed in the [TMDb Docs](https://developer.themoviedb.org/reference/search-person) in the form of a map.

  ## Examples

      iex> TmdbElixir.Search.people("brad pitt")
      %{
        "page" => 1,
        "results" => [
          %{
            "name" => "Brad Pitt",
            ...
          },
          ...
        ],,
        "total_pages" => 10,
        "total_results" => 250
      }
  """
  def people(query, params \\ %{}) do
    search("person", query, params)
  end

  defp search(endpoint, query, params) do
    params = Map.merge(params, %{query: query})
    Base.get!("search/#{endpoint}?#{URI.encode_query(params)}").body
  end
end