class Codebuild::Schedule

# File lib/codebuild/schedule.rb, line 7
def initialize(options={})
  @options = options
  @schedule_path = options[:schedule_path] || get_schedule_path
  @properties = default_properties
  @iam_policy = {}
end

# File lib/codebuild/schedule.rb, line 48
def default_properties
  description = "CodeBuild #{@options[:full_project_name]}"
  name = description.gsub(" ", "-").downcase
  {
    description: description,
    # event_pattern: ,
    name: name,
    # schedule_expression: ,
    state: "ENABLED",
    targets: [{
      arn: { "Fn::GetAtt": "CodeBuild.Arn" },
      role_arn: { "Fn::GetAtt": "EventsRuleRole.Arn" }, # required for specific CodeBuild target.
      id: "CodeBuildTarget",
    }]
  }
end

# File lib/codebuild/schedule.rb, line 14
def run
  return unless File.exist?(@schedule_path)

  old_properties = @properties.clone
  load_variables
  evaluate(@schedule_path)

  @properties[:schedule_expression] = @schedule_expression if @schedule_expression
  set_rule_event! if @rule_event_props
  return if old_properties == @properties # empty schedule.rb file

  resource = {
    events_rule: {
      type: "AWS::Events::Rule",
      properties: @properties
    },
    events_rule_role: events_rule_role,
  }
  CfnCamelizer.transform(resource)
end

# File lib/codebuild/schedule.rb, line 35
def set_rule_event!
  props = @rule_event_props
  if props.key?(:detail)
    description = props.key?(:description) ? props.delete(:description) : rule_description
    rule_props = { event_pattern: props, description: description }
  else # if props.key?(:event_pattern)
    props[:description] ||= rule_description
    rule_props = props
  end

  @properties.merge!(rule_props)
end

# File lib/codebuild/schedule.rb, line 98
def aws_data
  @aws_data ||= AwsData.new
end

# File lib/codebuild/schedule.rb, line 70
def events_rule_role
  {
    type: "AWS::IAM::Role",
    properties: {
      assume_role_policy_document: {
        statement: [{
          action: [ "sts:AssumeRole" ],
          effect: "Allow",
          principal: { service: [ "events.amazonaws.com" ] }
        }],
        version: "2012-10-17"
      },
      path: "/",
      policies: [{
        policy_name: "CodeBuildAccess",
        policy_document: {
          version: "2012-10-17",
          statement: [{
            action: "codebuild:StartBuild",
            effect: "Allow",
            resource: "arn:aws:codebuild:#{aws_data.region}:#{aws_data.account}:project/#{@options[:full_project_name]}"
          }]
        }
      }]
    }
  }
end

# File lib/codebuild/schedule.rb, line 66
def get_schedule_path
  lookup_codebuild_file("schedule.rb")
end