defmodule Gin.Mixfile do
  use Mix.Project

  #######
  # API #
  #######

  def application() do
    [
      extra_applications: extra_applications(Mix.env()),
      mod: {Gin.Application, []}
    ]
  end

  def project() do
    [
      app: :gin,
      compilers: compilers(),
      description: description(),
      deps: deps(),
      elixir: "~> 1.5",
      elixirc_paths: elixirc_paths(Mix.env()),
      "gin.templates": gin_templates(),
      package: package(),
      start_permanent: Mix.env() == :prod,
      version: version(),
    ]
  end

  ###########
  # Private #
  ###########

  defp compilers() do
    Mix.compilers() ++ [:"gin.templates"]
  end

  # Run "mix help deps" to learn about dependencies.
  defp deps() do
    [
      {:dialyxir, "~> 0.5", only: [:dev], runtime: false},
      {:ex_doc, ">= 0.0.0", only: :dev},
    ]
  end

  def description() do
    "An Elixir wrapper for various Erlang gen modules."
  end

  def elixirc_paths(:test), do: elixirc_paths() ++ ["test/support"]

  def elixirc_paths(_), do: elixirc_paths()

  def elixirc_paths(), do: ["lib"]

  def extra_applications(), do: [:logger]

  def extra_applications(:dev), do: extra_applications() ++ [:eex, :mix]

  def extra_applications(_),  do: extra_applications()

  defp gin_templates() do
    [
      {"README.md.eex", [description: description(), licenses: licenses(), version: version()]},
    ]
  end

  defp licenses() do
    [
      {"Apache 2.0", "https://www.apache.org/licenses/LICENSE-2.0"},
    ]
  end

  defp package() do
    [
      licenses: :proplists.get_keys(licenses()),
      links: %{"GitHub" => "https://github.com/amorphid/gin-elixir"},
      maintainers: ["Michael Pope"],
    ]
  end

  defp version() do
    "0.1.0"
  end
end