defmodule Devops.MixProject do
  use Mix.Project

  # The single source of truth `Devops.Version.bump!/1` amends and
  # `Devops.HexPublish` reads for what to publish -- read here too so
  # `Mix.Project.config()[:version]` (and therefore `mix hex.publish`
  # itself) never drifts from what that file says after a bump.
  @version ".version" |> File.read!() |> String.trim()

  def project do
    [
      app: :devops,
      version: @version,
      elixir: "~> 1.20",
      start_permanent: Mix.env() == :prod,
      description:
        "Git-flow, quality-gate, and release automation for single-package Elixir projects.",
      package: package(),
      docs: docs(),
      deps: deps(),
      test_coverage: [tool: ExCoveralls],
      dialyzer: [
        plt_add_apps: [:mix],
        plt_file: {:no_warn, "priv/plts/devops.plt"}
      ]
    ]
  end

  defp package do
    [
      # `.version` is a dotfile, so Hex's default `:files` list (lib, mix.exs,
      # README*, LICENSE*, etc.) silently drops it -- and `mix.exs` reads it
      # at compile time (see `@version` above), so a package built without it
      # fails to compile the moment it's unpacked outside this checkout.
      files: ~w(lib mix.exs .formatter.exs README.md LICENSE .version),
      licenses: ["MIT"],
      links: %{"GitHub" => "https://github.com/wimwian-org/devops"}
    ]
  end

  defp docs do
    [
      main: "readme",
      extras: ["README.md", "LICENSE"]
    ]
  end

  def cli do
    [
      preferred_envs: [
        coveralls: :test,
        "coveralls.html": :test,
        "coveralls.json": :test
      ]
    ]
  end

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

  # Run "mix help deps" to learn about dependencies.
  defp deps do
    [
      {:req, "~> 0.7"},
      {:plug, "~> 1.0", only: :test},
      # Not a runtime dependency of devops itself -- Devops.CommitMessage.AI
      # reaches GitOps.Commit.parse/1 via Code.ensure_loaded?/1 + apply/3 so
      # it works whether or not a CONSUMING project has git_ops installed.
      # Pulled in here only so devops's own test suite can exercise that
      # in-process call against the real library instead of only a stub.
      {:git_ops, "~> 2.12", optional: true},
      # Same shape as git_ops above: Devops.HexPublish.fetch_latest/2 reaches
      # :hex_core via Code.ensure_loaded?/1 + apply/3, falling back to
      # shelling out to `mix hex.info` when it is absent, so a project that
      # already has hex_core (most do, transitively via the `hex` archive)
      # gets the official client and one that does not still works.
      {:hex_core, "~> 0.19", optional: true},
      {:credo, "~> 1.7", only: [:dev, :test], runtime: false},
      {:excoveralls, "~> 0.18", optional: true},
      {:dialyxir, "~> 1.4", only: [:dev, :test], runtime: false},
      {:doctor, "~> 0.21", only: [:dev, :test], runtime: false},
      {:ex_doc, "~> 0.29", only: [:dev, :test], runtime: false}
    ]
  end
end