defmodule Reactor.MixProject do
  use Mix.Project

  @version "0.2.4"
  @description "An asynchronous, graph-based execution engine"

  def project do
    [
      app: :reactor,
      version: @version,
      elixir: "~> 1.13",
      start_permanent: Mix.env() == :prod,
      deps: deps(),
      package: package(),
      description: @description,
      elixirc_paths: elixirc_paths(Mix.env()),
      aliases: aliases(),
      source_url: "https://github.com/ash-project/reactor",
      homepage_url: "https://github.com/ash-project/reactor",
      dialyzer: [plt_add_apps: [:mix]],
      docs: [
        main: "readme",
        extras: extra_documentation(),
        groups_for_extras: extra_documentation_groups(),
        groups_for_modules: [
          DSL: ~r/^Reactor\.Dsl$/,
          Steps: ~r/^Reactor\.Step.*/,
          Internals: ~r/^Reactor\..*/
        ],
        extra_section: "GUIDES",
        formatters: ["html"],
        filter_modules: ~r/^Elixir.Reactor/,
        source_url_pattern: "https://github.com/ash-project/reactor/blob/main/%{path}/#L%{line}",
        spark: [
          extensions: [
            %{
              module: Reactor.Dsl,
              name: "Reactor.Dsl",
              target: "Reactor",
              type: "Reactor"
            }
          ]
        ]
      ]
    ]
  end

  defp package do
    [
      name: :reactor,
      files: ~w[lib .formatter.exs mix.exs README* LICENSE* CHANGELOG* documentation],
      licenses: ["MIT"],
      links: %{
        GitHub: "https://github.com/ash-project/reactor"
      },
      maintainers: [
        "James Harton <james@harton.nz>",
        "Zach Daniel <zach@zachdaniel.dev>"
      ],
      source_url: "https://github.com/ash-project/reactor"
    ]
  end

  # Run "mix help compile.app" to learn about applications.
  def application do
    [
      extra_applications: [:logger],
      mod: {Reactor.Application, []}
    ]
  end

  # Run "mix help deps" to learn about dependencies.
  defp deps do
    [
      {:spark, "~> 1.0"},
      {:libgraph, "~> 0.16"},

      # Dev/Test dependencies
      {:credo, ">= 0.0.0", only: [:dev, :test], runtime: false},
      {:dialyxir, ">= 0.0.0", only: [:dev, :test], runtime: false},
      {:ex_doc, "~> 0.22", only: [:dev, :test], runtime: false},
      {:ex_check, "~> 0.15.0", only: [:dev, :test]},
      {:git_ops, "~> 2.6.0", only: [:dev, :test]},
      {:mimic, "~> 1.7", only: :test},
      {:mix_test_watch, "~> 1.0", only: [:dev, :test], runtime: false},
      {:sobelow, ">= 0.0.0", only: [:dev, :test], runtime: false}
    ]
  end

  defp elixirc_paths(env) when env in ~w[dev test]a do
    elixirc_paths(:prod) ++ ["test/support"]
  end

  defp elixirc_paths(_), do: ["lib"]

  defp aliases do
    [
      sobelow: "sobelow --skip",
      credo: "credo --strict",
      "spark.formatter": "spark.formatter --extensions Reactor.Dsl"
    ]
  end

  defp extra_documentation do
    ["README.md"]
    |> Enum.concat(Path.wildcard("documentation/**/*.md"))
    |> Enum.map(fn
      "README.md" ->
        {:"README.md", title: "Read Me", ash_hq?: false}

      "documentation/tutorials/" <> _ = path ->
        {String.to_atom(path), []}

      "documentation/topics/" <> _ = path ->
        {String.to_atom(path), []}
    end)
  end

  defp extra_documentation_groups do
    "documentation/*"
    |> Path.wildcard()
    |> Enum.filter(&File.dir?/1)
    |> Enum.map(fn dir ->
      name =
        dir
        |> Path.basename()
        |> String.split(~r/_+/)
        |> Enum.join(" ")
        |> String.capitalize()

      contents =
        dir
        |> Path.join("**")
        |> Path.wildcard()

      {name, contents}
    end)
  end
end