defmodule Ply.MixProject do
  use Mix.Project

  @version "0.1.0"
  @source_url "https://github.com/mdon/ply"

  def project do
    [
      app: :ply,
      version: @version,
      elixir: "~> 1.18",
      elixirc_paths: elixirc_paths(Mix.env()),
      start_permanent: Mix.env() == :prod,
      deps: deps(),
      aliases: aliases(),

      # Hex
      description:
        "Reader and writer for the PLY (Stanford Polygon) 3D format — ASCII and binary, " <>
          "with lazy streaming for large files. Pure Elixir, no NIFs, no dependencies.",
      package: package(),

      # Dialyzer
      dialyzer: [ignore_warnings: ".dialyzer_ignore.exs"],

      # Test coverage — production code only.
      test_coverage: [
        ignore_modules: [
          ~r/^Ply\.Test\./,
          Ply.Fixtures
        ]
      ],

      # Docs
      name: "Ply",
      source_url: @source_url,
      docs: docs()
    ]
  end

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

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

  defp aliases do
    [
      quality: ["format", "credo --strict", "dialyzer"],
      "quality.ci": ["format --check-formatted", "credo --strict", "dialyzer"],
      precommit: [
        "compile --force --warnings-as-errors",
        "deps.unlock --check-unused",
        # Run via `cmd` so Hex bootstraps in a fresh process — the hex.* archive
        # tasks aren't resolvable via Mix.Task.run inside an alias.
        "cmd mix hex.audit",
        "quality.ci",
        # Also via `cmd`: `mix test` inside an alias would inherit the dev
        # environment and refuse to run.
        "cmd mix test"
      ]
    ]
  end

  # Deliberately zero runtime dependencies. PLY parsing is binary pattern
  # matching and integer arithmetic; anything we'd pull in would be a
  # liability for consumers, not a convenience.
  defp deps do
    [
      {:ex_doc, "~> 0.34", only: :dev, runtime: false},
      {:credo, "~> 1.7", only: [:dev, :test], runtime: false},
      {:dialyxir, "~> 1.4", only: [:dev, :test], runtime: false}
    ]
  end

  defp package do
    [
      licenses: ["MIT"],
      links: %{"GitHub" => @source_url},
      files: ~w(lib .formatter.exs mix.exs README.md CHANGELOG.md LICENSE)
    ]
  end

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