mix.exs

# examples_generator.exs is needed only for docs and is not shipped in package
if File.exists?("examples_generator.exs") do
  Code.compile_file("examples_generator.exs")
else
  defmodule Ecto.ERD.ExamplesGenerator do
    def projects, do: []
    def run(_), do: :noop
  end
end

defmodule Ecto.ERD.MixProject do
  use Mix.Project
  @source_url "https://github.com/fuelen/ecto_erd/"
  @version "0.6.0"

  def project do
    [
      app: :ecto_erd,
      version: @version,
      elixir: "~> 1.12",
      start_permanent: Mix.env() == :prod,
      deps: deps(),
      package: package(),
      description: description(),
      name: "Ecto ERD",
      docs: docs(),
      aliases: [docs: [&generate_examples/1, "docs"]],
      dialyzer: [plt_add_apps: [:mix]]
    ]
  end

  defp description do
    "ERD generator for Ecto users"
  end

  defp docs do
    [
      main: "Mix.Tasks.Ecto.Gen.Erd",
      extras:
        Enum.map(Ecto.ERD.ExamplesGenerator.projects(), fn project ->
          {:"tmp/docs/#{project}.md", [title: project]}
        end),
      source_url: @source_url,
      source_ref: "v#{@version}",
      groups_for_extras: [
        Examples: ~r"tmp/docs/"
      ]
    ]
  end

  defp package do
    [
      licenses: ["Apache-2.0"],
      links: %{
        GitHub: @source_url
      }
    ]
  end

  def application do
    [
      extra_applications: [:logger]
    ]
  end

  defp generate_examples(_) do
    run? = "Generate examples? y/n: " |> IO.gets() |> String.trim() |> String.downcase() == "y"

    if run? do
      Ecto.ERD.ExamplesGenerator.run(Path.join([@source_url, "blob", "v#{@version}"]))
    end
  end

  defp deps do
    [
      {:ex_doc, "~> 0.24", only: :dev, runtime: false},
      {:html_entities, "~> 0.5"},
      {:ecto, "~> 3.10"},
      {:dialyxir, "~> 1.0", only: [:dev], runtime: false}
    ]
  end
end