defmodule PkgDeb.Format.Generators.Control do
  @moduledoc """
  This module builds a control file from the config and a template.
  """
  alias PkgCore.TemplateFinder

  def build(config, control_dir) do
    # debug("Building Control file")

    out =
      ["control.eex"]
      |> TemplateFinder.retrieve(:pkg_deb)
      |> EEx.eval_file(
        [
          description: config.description,
          sanitized_name: config.sanitized_name,
          version: config.version,
          vendor: config.vendor,
          arch: config.arch,
          maintainers: config.maintainers,
          installed_size: config.installed_size,
          external_dependencies: config.external_dependencies,
          homepage: config.homepage
        ],
        trim: true
      )

    :ok = File.write(Path.join([control_dir, "control"]), out)
  end
end