mix.exs

defmodule NPPWeatherBot.Mixfile do
  use Mix.Project

  @target System.get_env("MIX_TARGET") || "host"
  Mix.shell.info([:green, """
  Env
    MIX_TARGET:   #{@target}
    MIX_ENV:      #{Mix.env}
  """, :reset])
  def project do
    [app: :npp_weather_bot,
     version: "0.1.0",
     elixir: "~> 1.4.0",
     target: @target,
     archives: [nerves_bootstrap: "~> 0.3.0"],
     deps_path: "deps/#{@target}",
     build_path: "_build/#{@target}",
     build_embedded: Mix.env == :prod,
     start_permanent: Mix.env == :prod,
     kernel_modules: kernel_modules(@target),
     aliases: aliases(@target),
     deps: deps()]
  end

  def application, do: application(@target)

  def application("host") do
    [extra_applications: [:logger, :extwitter, :quantum]]
  end
  def application(_target) do
    [mod: {NPPWeatherBot.Application, []},
     extra_applications: [:logger, :extwitter, :oauther, :poison, :quantum]]
  end

  def deps do
    [{:nerves, "~> 0.5.0", runtime: false},
     {:extwitter, "~> 0.8.3"},
     {:quantum, "~> 1.9.1"}] ++
    deps(@target)
  end

  # Specify target specific dependencies
  def deps("host"), do: []
  def deps(target) do
    [{:nerves_runtime, "~> 0.1.0"},
     {:"nerves_system_#{target}", "~> 0.11.0", runtime: false},
     {:nerves_interim_wifi, "~> 0.2"}]
  end

  def kernel_modules("rpi3") do
    ["brcmfmac"]
  end
  def kernel_modules(_), do: []

  # We do not invoke the Nerves Env when running on the Host
  def aliases("host"), do: []
  def aliases(_target) do
    ["deps.precompile": ["nerves.precompile", "deps.precompile"],
     "deps.loadpaths":  ["deps.loadpaths", "nerves.loadpaths"]]
  end

end