defmodule CairoEx.MixProject do
  use Mix.Project

  @version "0.1.0"
  @source_url "https://github.com/luisgabrielroldan/cairo_ex"

  def project do
    [
      app: :cairo_ex,
      version: @version,
      description: description(),
      package: package(),
      elixir: "~> 1.10",
      docs: docs(),
      start_permanent: Mix.env() == :prod,
      deps: deps(),
      aliases: aliases(),
      compilers: [:elixir_make | Mix.compilers()],
      make_targets: ["all"],
      make_clean: ["clean"],
      build_embedded: true
    ]
  end

  # Run "mix help compile.app" to learn about applications.
  def application do
    [
      extra_applications: [:logger]
    ]
  end

  defp description do
    "Cairo wrapper for Elixir"
  end

  defp package do
    %{
      files: [
        "lib",
        "test",
        "mix.exs",
        "Makefile",
        "README.md",
        "src/*.[ch]",
        "src/api/*.[ch]",
        "LICENSE",
        "CHANGELOG.md"
      ],
      licenses: ["Apache-2.0"],
      links: %{"GitHub" => @source_url}
    }
  end

  # Run "mix help deps" to learn about dependencies.
  defp deps do
    [
      {:elixir_make, "~> 0.6", runtime: false},
      {:ex_doc, "~> 0.22", only: :dev, runtime: false}
    ]
  end

  defp docs do
    [
      extras: ["README.md"],
      main: "readme",
      source_ref: "v#{@version}",
      source_url: @source_url
    ]
  end

  defp aliases do
    [
      docs: ["docs", &copy_images/1],
      format: [&format_c/1, "format"]
    ]
  end

  defp copy_images(_) do
    File.cp_r!("img/", "doc/img/")
  end

  defp format_c([]) do
    case System.find_executable("astyle") do
      nil ->
        Mix.Shell.IO.info("Install astyle to format C code.")

      astyle ->
        System.cmd(astyle, ["-r", "-n", "src/*.c"], into: IO.stream(:stdio, :line))
    end
  end

  defp format_c(_args), do: true
end