#!/usr/bin/env ruby

require "trollop"
require "sumomo"
require "yaml"

SUB_COMMANDS = %w(delete create update outputs testapi)
global_opts = Trollop::options do
  banner <<-USAGE
  Sumomo v#{Sumomo::VERSION}

  Usage: sumomo [options] <create|update|delete|outputs> <stackname>
  USAGE

  opt :region, "AWS region to use", type: :string, default: "ap-northeast-1"
  opt :profile, "AWS credential profile to use", type: :string, default: "default"

  stop_on SUB_COMMANDS
end

ENV["AWS_PROFILE"] = global_opts[:profile]

puts "Using profile:"
p ENV["AWS_PROFILE"]

cmd = ARGV.shift # get the subcommand

cmd_opts = case cmd
when "delete"
	Sumomo::delete_stack(name: ARGV[0], region: global_opts[:region])

when "create", "update"
	local_opts = Trollop::options do
		opt :filename, "File that describes the stack", type: :string, default: "Sumomofile"
	end
	Sumomo::create_stack(name: ARGV[0], region: global_opts[:region]) do
		proc = Proc.new {}
		eval File.read(local_opts[:filename]), proc.binding, local_opts[:filename]
	end

when "outputs"
	puts "Outputs for stack #{ARGV[0]}"
	puts Sumomo::get_stack_outputs(name: ARGV[0], region: global_opts[:region]).to_yaml

when "testapi"
	local_opts = Trollop::options do
		opt :filename, "File that describes the stack", type: :string, default: "Sumomofile"
		opt :apiname, "Name of the API you want to test", type: :string
		opt :prettyprint, "Test API outputs JSON with nice indentation", type: :boolean, default: true
	end
	puts "API Test Mode"
	Sumomo::test_api(local_opts[:apiname], local_opts[:prettyprint]) do
		proc = Proc.new {}
		eval File.read(local_opts[:filename]), proc.binding, local_opts[:filename]
	end
	exit(0)
else
	Trollop::die "Unknown subcommand #{cmd.inspect}"
end

Sumomo::wait_for_stack(name: ARGV[0], region: global_opts[:region])