defmodule Retort.Mixfile do
  use Mix.Project

  def project do
    [
      aliases: aliases(),
      app: :retort,
      build_embedded: Mix.env == :prod,
      deps: deps(),
      description: description(),
      docs: docs(),
      elixir: "~> 1.3",
      elixirc_paths: elixirc_paths(Mix.env),
      package: package(),
      preferred_cli_env: [
        "ecto.create": :test,
        "ecto.drop": :test,
        "ecto.migrate": :test,
        "ecto.migrations": :test,
        "credo": :test,
        "dialyze": :test
      ],
      source_url: "https://github.com/C-S-D/retort",
      start_permanent: Mix.env == :prod,
      version: "1.1.0"
    ]
  end

  # Configuration for the OTP application
  #
  # Type "mix help compile.app" for more information
  def application do
    [
      applications: applications(Mix.env),
      mod: {Retort, []}
    ]
  end

  ## Private Functions

  defp aliases do
    [
      "test": ["ecto.drop", "ecto.create --quiet", "ecto.migrate", "test"]
    ]
  end

  defp applications(:test) do
    [:ex_machina, :faker, :postgrex, :tzdata | applications(:dev)]
  end

  defp applications(_) do
    ~w(
      amqp
      calcinator
      connection
      ecto
      ja_serializer
      logger
      poison
    )a
  end

  defp deps('19') do
    # Sorted by name
    [
      # dependency of `amqp` that needs to be overriden for OTP 19 compatibility
      {:amqp_client, git: "https://github.com/dsrosario/amqp_client.git", branch: "erlang_otp_19", override: true}
      |
      deps('18')
    ]
  end

  defp deps(_) do
    # Sorted by name
    [
      # JSONAPI document parsing and coding with automatic JSONAPI error document production
      {:alembic, ">= 3.1.1 and < 3.2.0"},
      # connect to RabbitMQ
      {:amqp, "~> 0.1.4"},
      {:calcinator, ">= 1.5.1 and < 3.0.0"},
      # Connect, retry, and backoff for RabbitMQ connection
      {:connection, "~> 1.0"},
      # Static analysis
      {:credo, "0.6.0", only: [:test]},
      # Type checking
      {:dialyze, "~> 0.2.1", only: [:test]},
      # Access database for interpreter-server owned schemas and decode/encode JSON for using schemas
      {:ecto, "~> 2.1"},
      # Documentation
      {:ex_doc, "~> 0.14.5", only: [:dev, :test]},
      # Build and create fake Ecto models (think FactoryGirl for Ecto)
      {:ex_machina, "~> 1.0", only: :test},
      # Fake data for tests, so we don't have to come up with our own sequences for ExMachina
      {:faker, "~> 0.7.0", only: :test},
      # `*View`s
      {:ja_serializer, "~> 0.11.0"},
      # JUnit output for CircleCI parsing test results
      {:junit_formatter, "~> 1.0", only: :test},
      # JSON decoding and encoding for JSONRPC and JSONAPI
      {:poison, "~> 2.0"},
      # PostgreSQL DB access for Ecto for tests
      {:postgrex, "~> 0.13.0", only: :test},
      # time calculations for `Factory`
      {:timex, "~> 3.0", only: :test},
      # UUIDs for JSON RPC id / RabbitMQ correlation_id to match use of `SecureRandom.uuid` in Ruby
      {:uuid, "~> 1.1"}
    ]
  end

  defp deps do
    :otp_release
    |> :erlang.system_info()
    |> deps()
  end

  defp description do
    """
    JSONAPI over JSONRPC over RabbitMQ.
    """
  end

  defp docs do
    [
      extras: extras()
    ]
  end

  # Specifies which paths to compile per environment.
  defp elixirc_paths(:test), do: ["lib", "test/support"]
  defp elixirc_paths(_),     do: ["lib"]

  defp extras do
    [
      "CHANGELOG.md",
      "CODE_OF_CONDUCT.md",
      "CONTRIBUTING.md",
      "LICENSE.md",
      "README.md",
    ]
  end

  defp package do
    [
      files: ["lib", "mix.exs" | extras()],
      licenses: ["Apache 2.0"],
      links: %{
        "Docs" => "https://hexdocs.pm/retort",
        "Github" => "https://github.com/C-S-D/retort"
      },
      maintainers: ["Luke Imhoff"]
    ]
  end
end