defmodule Pixir.MixProject do
  use Mix.Project

  @version "0.1.0"
  @source_url "https://github.com/ranvier2d2/pixir-harness"

  def project do
    [
      app: :pixir,
      version: @version,
      elixir: "~> 1.19",
      start_permanent: Mix.env() == :prod,
      elixirc_paths: elixirc_paths(Mix.env()),
      escript: escript(),
      deps: deps(),
      aliases: aliases(),
      description: description(),
      package: package(),
      docs: docs()
    ]
  end

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

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

  defp escript do
    # +Bi ignores the BEAM break handler so a companion shell trap can forward
    # SIGINT as SIGUSR1 during CLI Turn execution (issue #24).
    [main_module: Pixir.CLI, name: "pixir", emu_args: "-Bi"]
  end

  defp description do
    "OTP-native, local-first coding agent runtime with ACP, Skills, Subagents, and Workflows."
  end

  defp docs do
    adr_extras = Path.wildcard("docs/adr/*.md")
    example_paths = Path.wildcard("docs/examples/**/*.md")
    example_extras = Enum.map(example_paths, &{&1, [filename: doc_extra_filename(&1)]})
    quickstart = "docs/open-beta-quickstart.md"

    [
      main: "readme",
      source_url: @source_url,
      source_ref: "main",
      extras:
        [
          {"README.md", [filename: "readme", title: "Pixir"]},
          "CONTEXT.md",
          "docs/ROADMAP.md",
          quickstart
        ] ++
          adr_extras ++ example_extras,
      groups_for_extras: [
        "Project Context": ["CONTEXT.md", "docs/ROADMAP.md", quickstart],
        ADRs: adr_extras,
        Examples: example_paths
      ],
      groups_for_modules: [
        "Runtime Core": [
          Pixir,
          Pixir.Application,
          Pixir.Event,
          Pixir.Events,
          Pixir.Log,
          Pixir.Session,
          Pixir.SessionSupervisor,
          Pixir.Turn,
          Pixir.Conversation
        ],
        "Provider And Auth": ~r/^Pixir\.(Provider|Auth)/,
        "Agent Practices": [Pixir.Agents, Pixir.Skills, Pixir.Subagents, Pixir.Workflows],
        Tools: ~r/^Pixir\.Tools?/,
        ACP: ~r/^Pixir\.ACP/
      ]
    ]
  end

  defp doc_extra_filename(path) do
    path
    |> Path.rootname()
    |> String.replace("/", "-")
    |> String.downcase()
  end

  defp deps do
    [
      {:ex_doc, "~> 0.40.3", only: :dev, runtime: false},
      {:finch, "~> 0.18"},
      {:jason, "~> 1.4"}
    ]
  end

  defp package do
    [
      files: package_files(),
      licenses: ["MIT"],
      links: %{"GitHub" => @source_url}
    ]
  end

  defp package_files do
    [
      ".formatter.exs",
      "CONTEXT.md",
      "LICENSE",
      "README.md",
      "mix.exs",
      "docs/ROADMAP.md",
      "docs/open-beta-daily-driver-ritual.md",
      "docs/open-beta-quickstart.md",
      "docs/release-notes/open-beta-developer-preview.md"
    ] ++
      Path.wildcard("lib/**/*.ex") ++
      Path.wildcard("docs/adr/[0-9][0-9][0-9][0-9]-*.md") ++
      Path.wildcard("docs/examples/**/README.md") ++
      Path.wildcard("docs/examples/**/SKILL.md")
  end

  defp aliases do
    [
      check: [
        "format --check-formatted",
        "compile --warnings-as-errors",
        "cmd env MIX_ENV=test mix do compile --warnings-as-errors + test --warnings-as-errors",
        "escript.build",
        "cmd ./pixir doctor --json",
        "pixir.smoke.workflows --dry-run --json",
        "pixir.smoke.prompt_cache --dry-run --json",
        "pixir.smoke.websocket --dry-run --json",
        "docs --warnings-as-errors"
      ]
    ]
  end
end