defmodule LiveSvelteGettext.MixProject do
  use Mix.Project

  @version "0.2.0"
  @source_url "https://github.com/xnilsson/live_svelte_gettext"

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

      # Hex package metadata
      description: "Plugin adding i18n to live_svelte using compile-time extraction",
      package: package(),

      # Documentation
      name: "LiveSvelteGettext",
      source_url: @source_url,
      homepage_url: @source_url,
      docs: docs(),

      # Testing
      test_coverage: [tool: ExCoveralls],

      # Dialyzer
      dialyzer: [
        plt_add_apps: [:mix]
      ]
    ]
  end

  def cli do
    [
      preferred_envs: [
        coveralls: :test,
        "coveralls.detail": :test,
        "coveralls.html": :test,
        "release.check": :test
      ]
    ]
  end

  # Run "mix help compile.app" to learn about applications.
  def application do
    [
      extra_applications: [:logger]
    ]
  end

  defp deps do
    [
      # Core dependencies
      # 0.26 is the real floor: `use Gettext.Backend` and the msgctxt-aware
      # lgettext/5 and lngettext/7 callbacks were all introduced there.
      {:gettext, "~> 0.26 or ~> 1.0"},
      # Used to read plural msgstr entries straight from .po files. Matches
      # Gettext's own requirement, so it never forces a different version.
      {:expo, "~> 0.5.1 or ~> 1.0"},
      {:phoenix_live_view, "~> 1.0"},

      # Optional: used for JSON encoding when present. On OTP 27+ the built-in
      # :json module is used instead, matching live_svelte 0.17+.
      {:jason, "~> 1.4", optional: true},

      # Development dependencies
      {:igniter, "~> 0.6", optional: true},
      {:ex_doc, "~> 0.31", only: :dev, runtime: false},
      {:credo, "~> 1.7", only: [:dev, :test], runtime: false},
      {:dialyxir, "~> 1.4", only: [:dev, :test], runtime: false},
      {:excoveralls, "~> 0.18", only: :test}
    ]
  end

  # The Hex package ships assets/dist, but assets/dist is gitignored and built
  # by tsc. Without this, a fresh clone would publish either no bundle at all or
  # whatever stale build happened to be lying around - which is how the npm
  # package drifted behind the Hex package in 0.1.x.
  #
  # Mix runs a self-referencing alias once and then falls through to the real
  # task, so these augment `hex.build` and `hex.publish` rather than replacing
  # them.
  defp aliases do
    [
      "assets.build": [
        "cmd --cd assets npm install --no-audit --no-fund --silent",
        "cmd --cd assets npm run build"
      ],
      "assets.test": ["cmd --cd assets npm test"],
      "release.check": [&check_versions_in_sync/1, "assets.build", "assets.test", "test"],
      "hex.build": [&check_versions_in_sync/1, "assets.build", "hex.build"],
      "hex.publish": [&check_versions_in_sync/1, "assets.build", "hex.publish"]
    ]
  end

  # The Elixir and npm packages are published separately and must not drift.
  defp check_versions_in_sync(_args) do
    npm_version =
      "assets/package.json"
      |> File.read!()
      |> then(&Regex.run(~r/"version":\s*"([^"]+)"/, &1))
      |> case do
        [_, version] -> version
        _ -> nil
      end

    if npm_version != @version do
      Mix.raise("""
      Version mismatch between mix.exs and assets/package.json:

          mix.exs             #{@version}
          assets/package.json #{npm_version || "(not found)"}

      Both packages are published from this repository and must stay in sync.
      Update assets/package.json and try again.
      """)
    end
  end

  defp package do
    [
      name: "live_svelte_gettext",
      files: ~w(
        lib
        priv
        assets/dist
        assets/package.json
        assets/README.md
        .formatter.exs
        mix.exs
        README.md
        LICENSE
        CHANGELOG.md
      ),
      licenses: ["MIT"],
      links: %{
        "GitHub" => @source_url,
        "Changelog" => "#{@source_url}/blob/main/CHANGELOG.md"
      },
      maintainers: ["Christopher Nilsson"]
    ]
  end

  defp docs do
    [
      main: "LiveSvelteGettext",
      source_ref: "v#{@version}",
      source_url: @source_url,
      extras: [
        "README.md",
        "CHANGELOG.md",
        "LICENSE"
      ],
      groups_for_modules: [
        Core: [
          LiveSvelteGettext,
          LiveSvelteGettext.Components
        ],
        Internal: [
          LiveSvelteGettext.Extractor,
          LiveSvelteGettext.Compiler,
          LiveSvelteGettext.Runtime,
          LiveSvelteGettext.Plurals,
          LiveSvelteGettext.CustomExtractor,
          LiveSvelteGettext.JSON
        ],
        Tasks: [
          Mix.Tasks.LiveSvelteGettext.Install,
          Mix.Tasks.LiveSvelteGettext.Setup,
          Mix.Tasks.LiveSvelteGettext.FixReferences
        ]
      ],
      groups_for_extras: [
        "Getting Started": ["README.md"],
        "Project Info": ["CHANGELOG.md", "LICENSE"]
      ],
      skip_undefined_reference_warnings_on: ["CHANGELOG.md"]
    ]
  end
end