class Codebuild::Stack

# File lib/codebuild/stack.rb, line 7
def initialize(options)
  @options = options
  @project_name = @options[:project_name] || inferred_project_name
  @stack_name = options[:stack_name] || inferred_stack_name(@project_name)

  @full_project_name = project_name_convention(@project_name)
  @template = {
    "Description" => "CodeBuild Project: #{@full_project_name}",
    "Resources" => {}
  }
end

# File lib/codebuild/stack.rb, line 19
def run
  options = @options.merge(
    project_name: @project_name,
    full_project_name: @full_project_name,
  )
  project_builder = Project.new(options)
  unless project_builder.exist?
    puts "ERROR: Codebuild project does not exist: #{project_builder.project_path}".color(:red)
    exit 1
    return
  end
  project = project_builder.run
  @template["Resources"].merge!(project)

  if project["CodeBuild"]["Properties"]["ServiceRole"] == {"Ref"=>"IamRole"}
    role = Role.new(options).run
    @template["Resources"].merge!(role)
  end

  schedule = Schedule.new(options).run
  @template["Resources"].merge!(schedule) if schedule

  template_path = "/tmp/codebuild.yml"
  FileUtils.mkdir_p(File.dirname(template_path))
  IO.write(template_path, YAML.dump(@template))
  puts "Generated CloudFormation template at #{template_path.color(:green)}"
  return if @options[:noop]
  puts "Deploying stack #{@stack_name.color(:green)} with CodeBuild project #{@full_project_name.color(:green)}"

  begin
    perform
    url_info
    return unless @options[:wait]
    status.wait
    exit 2 unless status.success?
  rescue Aws::CloudFormation::Errors::ValidationError => e
    if e.message.include?("No updates") # No updates are to be performed.
      puts "WARN: #{e.message}".color(:yellow)
    else
      puts "ERROR ValidationError: #{e.message}".color(:red)
      exit 1
    end
  end
end

# File lib/codebuild/stack.rb, line 81
def find_stack(stack_name)
  resp = cfn.describe_stacks(stack_name: stack_name)
  resp.stacks.first
rescue Aws::CloudFormation::Errors::ValidationError => e
  # example: Stack with id demo-web does not exist
  if e.message =~ /Stack with/ && e.message =~ /does not exist/
    nil
  else
    raise
  end
end

# File lib/codebuild/stack.rb, line 77
def rollback_complete?(stack)
  stack.stack_status == 'ROLLBACK_COMPLETE'
end

# File lib/codebuild/stack.rb, line 73
def status
  @status ||= Cfn::Status.new(@stack_name)
end

# File lib/codebuild/stack.rb, line 65
def url_info
  stack = cfn.describe_stacks(stack_name: @stack_name).stacks.first
  region = `aws configure get region`.strip rescue "us-east-1"
  url = "https://console.aws.amazon.com/cloudformation/home?region=#{region}#/stacks"
  puts "Stack name #{@stack_name.color(:yellow)} status #{stack["stack_status"].color(:yellow)}"
  puts "Here's the CloudFormation url to check for more details #{url}"
end