muex

defmodule Muex.MixProject do
  use Mix.Project

  @app :muex
  @version "0.5.4"
  @source_url "https://github.com/Oeditus/muex"

  def project do
    [
      app: @app,
      version: @version,
      elixir: "~> 1.14",
      elixirc_paths: elixirc_paths(Mix.env()),
      start_permanent: Mix.env() == :prod,
      consolidate_protocols: Mix.env() not in [:dev, :test],
      deps: deps(),
      description: description(),
      package: package(),
      docs: docs(),
      aliases: aliases(),
      escript: escript(),
      test_coverage: [tool: ExCoveralls],
      dialyzer: [
        plt_file: {:no_warn, ".dialyzer/dialyzer.plt"},
        plt_add_deps: :app_tree,
        plt_add_apps: [:mix],
        plt_core_path: ".dialyzer",
        list_unused_filters: true,
        ignore_warnings: ".dialyzer/ignore.exs"
      ],
      name: "Muex",
      source_url: @source_url
    ]
  end

  def application do
    [
      extra_applications: [:logger, :syntax_tools],
      mod: {Muex.Application, []}
    ]
  end

  def cli do
    [
      preferred_envs: [
        coveralls: :test,
        "coveralls.detail": :test,
        "coveralls.post": :test,
        "coveralls.html": :test,
        "coveralls.json": :test
      ]
    ]
  end

  def escript do
    [
      main_module: Muex.CLI,
      name: "muex",
      embed_elixir: true,
      app: nil
    ]
  end

  defp elixirc_paths(:test), do: ["lib", "test/support"]
  defp elixirc_paths(:ci), do: ["lib"]
  defp elixirc_paths(:dev), do: ["lib", "test/support"]
  defp elixirc_paths(_), do: ["lib"]

  defp deps do
    [
      # Core dependency
      {:jason, "~> 1.4"},

      # Development and documentation
      {:ex_doc, "~> 0.31", only: :dev, runtime: false},
      {:excoveralls, "~> 0.18", only: :test, runtime: false},
      {:credo, "~> 1.7", only: [:dev, :test], runtime: false},
      {:dialyxir, "~> 1.4", only: [:dev, :test], runtime: false}
    ]
  end

  defp aliases do
    [
      quality: ["format", "credo --strict", "dialyzer"],
      "quality.ci": [
        "format --check-formatted",
        "credo --strict",
        "dialyzer"
      ]
    ]
  end

  defp description do
    """
    Language-agnostic mutation testing library for Elixir, Erlang, and other BEAM languages.
    Evaluates test suite quality by introducing deliberate bugs into code and verifying that tests
    catch them. Intelligent file filtering, 6 mutation strategies, parallel execution,
    multiple output formats.
    """
  end

  defp package do
    [
      name: @app,
      files: ~w(
        lib
        .formatter.exs
        mix.exs
        README.md
        USAGE.md
        LICENSE
        docs/INSTALLATION.md
        docs/MUTATION_OPTIMIZATION.md
        docs/COMPARISON.md
      ),
      licenses: ["MIT"],
      maintainers: ["Aleksei Matiushkin"],
      links: %{
        "GitHub" => @source_url,
        "Documentation" => "https://hexdocs.pm/#{@app}"
      }
    ]
  end

  defp docs do
    [
      main: "readme",
      logo: "stuff/img/logo-48x48.png",
      assets: %{"stuff/img" => "assets"},
      extras: extras(),
      extra_section: "GUIDES",
      source_url: @source_url,
      source_ref: "v#{@version}",
      formatters: ["html", "epub"],
      groups_for_modules: groups_for_modules(),
      nest_modules_by_prefix: [Muex.Mutator, Muex.Language],
      before_closing_body_tag: &before_closing_body_tag/1,
      authors: ["Aleksei Matiushkin"],
      canonical: "https://hexdocs.pm/#{@app}",
      skip_undefined_reference_warnings_on: []
    ]
  end

  defp extras do
    [
      "README.md",
      "USAGE.md": [title: "Usage Guide"],
      "docs/INSTALLATION.md": [title: "Installation Guide"],
      "docs/MUTATION_OPTIMIZATION.md": [title: "Mutation Optimization"],
      "docs/COMPARISON.md": [title: "Comparison: Muex vs Darwin vs Exavier"]
    ]
  end

  defp groups_for_modules do
    [
      "Core Components": [
        Muex.Compiler,
        Muex.Loader,
        Muex.Runner,
        Muex.Reporter,
        Muex.FileAnalyzer,
        Muex.MutantOptimizer
      ],
      "Language Adapters": [
        Muex.Language,
        Muex.Language.Elixir,
        Muex.Language.Erlang
      ],
      "Mutation Strategies": [
        Muex.Mutator,
        Muex.Mutator.Arithmetic,
        Muex.Mutator.Boolean,
        Muex.Mutator.Comparison,
        Muex.Mutator.Conditional,
        Muex.Mutator.FunctionCall,
        Muex.Mutator.Literal
      ],
      Reporters: [
        Muex.Reporter.Html,
        Muex.Reporter.Json
      ],
      Utilities: [
        Muex.CLI,
        Muex.DependencyAnalyzer,
        Muex.TestDependency,
        Muex.TestRunner.Port,
        Muex.WorkerPool
      ]
    ]
  end

  defp before_closing_body_tag(:html) do
    """
    <script>
      // Add search keyboard shortcut
      document.addEventListener("keydown", function(e) {
        if (e.key === "/" && !e.ctrlKey && !e.metaKey) {
          e.preventDefault();
          document.querySelector(".search-input")?.focus();
        }
      });
    </script>
    """
  end

  defp before_closing_body_tag(_), do: ""
end