defmodule Sourced.MixProject do
  use Mix.Project

  @version "0.2.0"
  @source_url "https://gitlab.com/dimakula/sourced"

  def project do
    [
      app: :sourced,
      version: @version,
      elixir: "~> 1.15",
      start_permanent: Mix.env() == :prod,
      elixirc_paths: elixirc_paths(Mix.env()),
      description: description(),
      package: package(),
      docs: docs(),
      source_url: @source_url,
      dialyzer: [
        # contract/ is compiled in :test and drives ExUnit.CaseTemplate, whose
        # generated code calls into ExUnit. ExUnit is not in Dialyzer's default
        # PLT, so without this every one of those calls is an unknown_function.
        plt_add_apps: [:ex_unit],
        # Both PLTs in one project-local directory so CI can cache them. The
        # core PLT defaults to MIX_HOME, outside CI_PROJECT_DIR, where GitLab's
        # cache cannot reach it — and it is ~50s of the ~3min cold build.
        plt_core_path: "plts",
        plt_local_path: "plts"
      ],
      deps: deps()
    ]
  end

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

  defp description do
    "Event sourcing for Elixir on the Dynamic Context Boundary (DCB) model: " <>
      "one flat event stream, events tagged with the domain concepts they " <>
      "concern, and consistency enforced by optimistic locking scoped to the " <>
      "slice of the stream a decision actually read."
  end

  defp package do
    [
      licenses: ["Apache-2.0"],
      links: %{"GitLab" => @source_url},
      files: ~w(contract lib mix.exs .formatter.exs README.md LICENSE)
    ]
  end

  defp docs do
    [
      main: "readme",
      extras: ["README.md"],
      source_url: @source_url,
      # Pinned to the release tag so published docs keep pointing at the code
      # they were built from.
      source_url_pattern: "#{@source_url}/-/blob/#{@version}/%{path}#L%{line}"
    ]
  end

  # `contract/` holds the adapter contract test suite and its fixtures. It ships
  # in the package (see `package/0`) but is compiled only in :test, so it stays
  # out of this app's own build and out of every downstream app's. Adapters add
  # `deps/sourced/contract` to their `elixirc_paths(:test)` to compile it into
  # their test build, which pins the contract to the `:sourced` version they
  # already depend on.
  defp elixirc_paths(:test), do: ["lib", "contract"]
  defp elixirc_paths(_), do: ["lib"]

  # Run "mix help deps" to learn about dependencies.
  defp deps do
    [
      {:telemetry, "~> 1.0"},

      # Dev/test dependencies
      {:credo, "~> 1.7", only: [:dev, :test], runtime: false},
      {:dialyxir, "~> 1.4", only: [:dev, :test], runtime: false},
      {:ex_doc, "~> 0.34", only: :dev, runtime: false},
      {:mimic, "~> 2.0", only: :test}
    ]
  end
end