defmodule ExCubecl.MixProject do
  use Mix.Project

  @version "0.7.0"
  @source_url "https://github.com/ohhi-vn/ex_cubecl"

  def project do
    [
      app: :ex_cubecl,
      version: @version,
      elixir: "~> 1.15",
      start_permanent: Mix.env() == :prod,
      deps: deps(),
      rustler_crates: rustler_crates(),
      description: description(),
      package: package(),
      docs: docs(),
      name: "ExCubecl",
      source_url: @source_url,
      homepage_url: @source_url,
      elixirc_paths: elixirc_paths(Mix.env()),
      aliases: aliases()
    ]
  end

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

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

  defp deps do
    [
      {:rustler, "~> 0.37", runtime: false},
      {:jason, "~> 1.4"},
      {:ex_doc, "~> 0.40", only: :dev, runtime: false},
      # Optional .cube LUT parser dependency (pure Elixir)
      {:nimble_parsec, "~> 1.4", optional: true}
    ]
  end

  defp aliases do
    [
      "rustler.build": ["cmd cargo build --manifest-path native/ex_cubecl_nif/Cargo.toml"]
    ]
  end

  defp rustler_crates do
    [
      ex_cubecl_nif: [
        path: "native/ex_cubecl_nif",
        mode: if(Mix.env() == :prod, do: :release, else: :debug)
      ]
    ]
  end

  defp description do
    """
    ExCubecl is a GPU compute runtime for Elixir powered by CubeCL via Rust NIFs.
    Provides GPU buffer management, kernel execution, async command submission,
    and pipeline orchestration. Currently includes CPU fallback implementations.
    """
  end

  defp package do
    [
      name: "ex_cubecl",
      files: ~w(
        lib
        lib/ex_cubecl
        priv
        native/ex_cubecl_nif/Cargo.toml
        native/ex_cubecl_nif/Cargo.lock
        native/ex_cubecl_nif/src
        native/ex_cubecl_nif/include
        guides
        examples
        .formatter.exs
        mix.exs
        mix.lock
        README.md
        CHANGELOG.md
        LICENSE
      ),
      licenses: ["Apache-2.0"],
      links: %{
        "GitHub" => @source_url,
        "Changelog" => "#{@source_url}/blob/main/CHANGELOG.md"
      },
      maintainers: ["Manh Vu"]
    ]
  end

  defp docs do
    [
      main: "readme",
      source_url: @source_url,
      source_ref: "v#{@version}",
      extras: [
        "README.md",
        "guides/01_getting_started.md",
        "guides/02_buffers.md",
        "guides/03_kernels.md",
        "guides/04_async_pipelines.md",
        "guides/05_mobile.md",
        "guides/06_examples.md",
        "guides/07_media_quickstart.md",
        "guides/08_video_processing.md",
        "guides/09_audio_processing.md",
        "guides/10_transcode.md",
        "guides/11_realtime_pipeline.md",
        "guides/12_video_merge_pip.md"
      ],
      groups_for_extras: [
        Guides: ~r/guides\/[0-9]+_.*\.md/,
        Examples: ~r/examples\/.*\.exs/
      ],
      groups_for_modules: [
        "Core API Prototype": [ExCubecl],
        "Media API Prototype": [ExCubecl.Media, ExCubecl.Video, ExCubecl.Audio],
        "Filter API Prototype": [ExCubecl.Filter],
        "Transcode API Prototype": [ExCubecl.Transcode],
        "MediaPipeline API Prototype": [ExCubecl.MediaPipeline],
        Types: [ExCubecl.VideoFrame, ExCubecl.AudioSamples],
        "Pipeline API Prototype": [ExCubecl.Command],
        "NIF Stubs": [ExCubecl.NIF]
      ],
      skip_undefined_reference_warnings_on: ["guides/05_mobile.md"],
      before_closing_body_tag: &before_closing_body_tag/1
    ]
  end

  # Add a small footer to the docs
  defp before_closing_body_tag(:html) do
    """
    <script>
      // Add version badge to docs
      var footer = document.querySelector('.footer');
      if (footer) {
        footer.innerHTML += '<br><small>ExCubecl v#{@version}</small>';
      }
    </script>
    """
  end

  defp before_closing_body_tag(_), do: ""
end