defmodule PaperEx.MixProject do
  use Mix.Project

  @version "0.8.0"
  @source_url "https://github.com/mdon/paper_ex"

  def project do
    [
      app: :paper_ex,
      version: @version,
      elixir: "~> 1.18",
      elixirc_paths: elixirc_paths(Mix.env()),
      start_permanent: Mix.env() == :prod,
      deps: deps(),
      description: description(),
      package: package(),
      docs: docs(),
      name: "PaperEx",
      source_url: @source_url
    ]
  end

  def application do
    [
      extra_applications: [:logger]
    ]
  end

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

  defp description do
    "Generic, exchange-agnostic paper trading and simulated-execution engine for Elixir. " <>
      "Pure functional core: portfolio state, execution attempts, positions, and orders. " <>
      "No HTTP, no database, no Polymarket dependency."
  end

  defp package do
    # `AGENTS.md` and `PACKAGE_PLAN.md` are intentionally excluded:
    # internal AI/dev-process planning notes that are not authoritative
    # for users of the library.
    [
      licenses: ["MIT"],
      files: ~w(lib .formatter.exs mix.exs README.md LICENSE CHANGELOG.md),
      links: %{
        "GitHub" => @source_url
      }
    ]
  end

  defp docs do
    [
      main: "PaperEx",
      source_ref: "v#{@version}",
      source_url: @source_url,
      extras: [
        "README.md",
        "CHANGELOG.md"
      ]
    ]
  end

  defp deps do
    # Phase 1 (scaffold) keeps deps minimal. The package is a pure
    # functional core: structs and (later) state transitions. No HTTP,
    # no database, no JSON serialization yet — `:jason` will be
    # reintroduced if/when serialization helpers land.
    [
      {:ex_doc, "~> 0.34", only: :dev, runtime: false}
    ]
  end
end