defmodule LibclusterMesh.MixProject do
  use Mix.Project

  @version "0.1.0"
  @source_url "https://github.com/kentaro/libcluster_mesh"

  @spec project() :: keyword()
  def project do
    [
      app: :libcluster_mesh,
      version: @version,
      elixir: "~> 1.18",
      elixirc_options: elixirc_options(Mix.env()),
      start_permanent: Mix.env() == :prod,
      deps: deps(),
      aliases: aliases(),
      dialyzer: dialyzer(),
      name: "libcluster_mesh",
      description: description(),
      package: package(),
      docs: docs(),
      test_coverage: [summary: [threshold: 90]]
    ]
  end

  @spec application() :: keyword()
  def application do
    [extra_applications: [:logger]]
  end

  @spec cli() :: keyword()
  def cli do
    [preferred_envs: [check: :test]]
  end

  defp description do
    "libcluster strategies for mesh VPNs (Tailscale, NetBird, LOLIPOP Zero " <>
      "Trust Link, plain WireGuard) that discover peers by polling the local " <>
      "mesh daemon — no cloud API, no API keys, no static host lists"
  end

  defp elixirc_options(env) when env in [:dev, :test], do: [warnings_as_errors: true]
  defp elixirc_options(_env), do: []

  defp deps do
    [
      {:libcluster, "~> 3.5"},
      {: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 aliases do
    [
      check: [
        "format --check-formatted",
        "compile --warnings-as-errors",
        "test --cover",
        "credo --strict",
        "dialyzer"
      ]
    ]
  end

  defp dialyzer do
    [
      plt_add_apps: [:ex_unit],
      plt_local_path: "priv/plts",
      plt_core_path: "priv/plts",
      flags: [:error_handling, :underspecs, :unmatched_returns]
    ]
  end

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

  defp docs do
    [
      main: "readme",
      source_url: @source_url,
      source_ref: "v#{@version}",
      extras: ["README.md", "CHANGELOG.md", "LICENSE"],
      groups_for_modules: [
        Overview: [LibclusterMesh],
        Strategies: [
          Cluster.Strategy.TailscaleLocal,
          Cluster.Strategy.Netbird,
          Cluster.Strategy.LolipopZTL,
          Cluster.Strategy.WireGuard
        ],
        Internals: [
          LibclusterMesh.CIDR,
          LibclusterMesh.Config,
          LibclusterMesh.NetbirdStatus,
          LibclusterMesh.Parse,
          LibclusterMesh.Peer,
          LibclusterMesh.Poller,
          LibclusterMesh.Runner,
          LibclusterMesh.Runner.SystemCmd,
          LibclusterMesh.TailscaleStatus,
          LibclusterMesh.WireGuardDump,
          LibclusterMesh.ZTLStatus
        ]
      ]
    ]
  end
end