defmodule Mix.Tasks.Espec.Init do

	use Mix.Task
	import Mix.Generator

	@shortdoc "Create spec/spec_helper.exs and spec/example_spec.exs"

	@spec_folder "spec"
	@spec_helper "spec_helper.exs"
	@example_spec "example_spec.exs"

	def run(args) do
		create_directory @spec_folder
		create_file(Path.join(@spec_folder, @spec_helper), spec_helper_template(nil))
		create_file(Path.join(@spec_folder, @example_spec), example_spec_template(nil))
	end

	embed_template :spec_helper, """
  ESpec.start
  	
  ESpec.configure fn(config) ->
  	#config.before fn -> IO.puts "Begin!" end
  	#config.finally fn -> IO.puts "Done!" end
	end
  """

	embed_template :example_spec, """
	defmodule ExampleSpec do
	  
	  use ESpec
	  
	  before do
	    answer = Enum.reduce((1..9), &(&2 + &1)) - 3
	    {:ok, answer: answer} #saves {:key, :value} to `__`
	  end

	  example "test" do
	    expect(__.answer).to eq(42)
	  end

	  context "Defines context" do
	    subject(__.answer)
	    
	    it do: is_expected.to be_between(41, 43)
	    
	    describe "is an alias for context" do
	      before do
	        value = __.answer * 2
	        {:ok, new_answer: value}
	      end

	      let :val, do: __.new_answer

	      it "checks val" do
	        expect(val).to eq(84)
	      end  
	    end
	  end

	  xcontext "xcontext skips examples." do
	    xit "And xit also skips" do
	      "skipped"
	    end
	  end

	  pending "There are so many features to test!"
	end 
  """

end