defmodule DawgEx.MixProject do
  use Mix.Project

  @version "0.2.0"
  @source_url "https://github.com/realglebivanov/dawg_ex"

  def project do
    [
      app: :dawg_ex,
      version: @version,
      elixir: "~> 1.20",
      start_permanent: Mix.env() == :prod,
      deps: deps(),
      aliases: aliases(),

      # Compilation is strict everywhere except :prod, so a warning introduced
      # by a future Elixir release can never break a downstream dependent's
      # build (deps compile under MIX_ENV=prod).
      elixirc_options: [warnings_as_errors: Mix.env() != :prod],

      # Hex
      description: description(),
      package: package(),

      # Docs
      name: "DawgEx",
      source_url: @source_url,
      docs: docs(),

      # Static analysis
      dialyzer: dialyzer(),

      # Coverage
      test_coverage: [summary: [threshold: 0]]
    ]
  end

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

  # `mix check` runs the test suite, so pin the whole alias to :test rather
  # than letting it switch environments (and recompile) partway through.
  def cli do
    [preferred_envs: [check: :test]]
  end

  # Run "mix help deps" to learn about dependencies.
  defp deps do
    [
      {:credo, "~> 1.7", only: [:dev, :test], runtime: false},
      {:dialyxir, "~> 1.4", only: [:dev, :test], runtime: false},
      {:ex_doc, "~> 0.40", only: :dev, runtime: false}
    ]
  end

  defp description do
    "A compact, binary-encoded DAWG (directed acyclic word graph) for fast " <>
      "set-membership queries over large word lists."
  end

  defp package do
    [
      name: "dawg_ex",
      licenses: ["MIT"],
      maintainers: ["Gleb Ivanov"],
      files: ~w(lib mix.exs README.md LICENSE CHANGELOG.md .formatter.exs),
      links: %{
        "GitHub" => @source_url,
        "Changelog" => "#{@source_url}/blob/main/CHANGELOG.md"
      }
    ]
  end

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

  defp dialyzer do
    [
      plt_local_path: "priv/plts/project.plt",
      plt_core_path: "priv/plts/core.plt",
      plt_add_apps: [:ex_unit, :mix],
      flags: [
        :error_handling,
        :extra_return,
        :missing_return,
        :underspecs,
        :unknown,
        :unmatched_returns
      ],
      list_unused_filters: true
    ]
  end

  defp aliases do
    [
      check: [
        "format --check-formatted",
        "compile --warnings-as-errors",
        "credo --strict",
        "test",
        "dialyzer"
      ]
    ]
  end
end