defmodule Grove.MixProject do
  use Mix.Project

  @version "0.2.0"
  @source_url "https://gitlab.com/tristanperalta/grove"

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

      # Documentation
      name: "Grove",
      description: "Conflict-free Replicated Tree CRDTs for Elixir",
      source_url: @source_url,
      docs: docs(),
      package: package()
    ]
  end

  def cli do
    [
      preferred_envs: [precommit: :test]
    ]
  end

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

  # Run "mix help deps" to learn about dependencies.
  defp deps do
    [
      # Optional: Phoenix integrations
      {:phoenix_pubsub, "~> 2.1", optional: true},
      {:phoenix_live_view, "~> 1.0", optional: true},

      # Dev/Test dependencies
      {:ex_doc, "~> 0.38", only: :dev, runtime: false},
      {:stream_data, "~> 1.0", only: [:test, :dev]},
      {:credo, "~> 1.7", only: [:dev, :test], runtime: false},
      {:dialyxir, "~> 1.4", only: [:dev, :test], runtime: false},
      {:benchee, "~> 1.0", only: :dev, runtime: false}
    ]
  end

  defp aliases do
    [
      precommit: [
        "compile --warnings-as-errors",
        "deps.unlock --unused",
        "format",
        "credo --strict",
        "dialyzer",
        "test"
      ]
    ]
  end

  defp dialyzer do
    [
      plt_add_apps: [:ex_unit]
    ]
  end

  defp docs do
    [
      main: "readme",
      source_ref: "v#{@version}",
      extra_section: "GUIDES",
      extras: extras(),
      groups_for_extras: groups_for_extras(),
      before_closing_body_tag: &before_closing_body_tag/1
    ]
  end

  defp extras do
    [
      "README.md",
      "LICENSE",
      "guides/getting-started.md",
      "guides/concepts.md",
      "guides/use-cases.md",
      "guides/architecture.md",
      "guides/benchmarks.md",
      "guides/roadmap.md"
    ]
  end

  defp groups_for_extras do
    [
      Guides: ~r/guides\/.*/
    ]
  end

  defp before_closing_body_tag(:html) do
    """
    <script src="https://cdn.jsdelivr.net/npm/mermaid@11/dist/mermaid.min.js"></script>
    <script>
      document.addEventListener("DOMContentLoaded", function () {
        mermaid.initialize({
          startOnLoad: false,
          theme: document.body.className.includes("dark") ? "dark" : "default"
        });
        let id = 0;
        for (const codeEl of document.querySelectorAll("pre code.mermaid")) {
          const preEl = codeEl.parentElement;
          const graphDefinition = codeEl.textContent;
          const graphEl = document.createElement("div");
          const graphId = "mermaid-graph-" + id++;
          mermaid.render(graphId, graphDefinition).then(({svg, bindFunctions}) => {
            graphEl.innerHTML = svg;
            bindFunctions?.(graphEl);
            preEl.insertAdjacentElement("afterend", graphEl);
            preEl.remove();
          });
        }
      });
    </script>
    """
  end

  defp before_closing_body_tag(_), do: ""

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