# encoding: UTF-8

require_relative 'metadata'

module GoodData
  class Report < GoodData::MdObject
    root_key :report

    class << self
      def [](id)
        if id == :all
          uri = GoodData.project.md['query'] + '/reports/'
          GoodData.get(uri)['query']['entries']
        else
          super
        end
      end

      def create(options={})
        title = options[:title]
        summary = options[:summary] || ''
        rd = options[:rd] || ReportDefinition.create(:top => options[:top], :left => options[:left])
        rd.save

        report = Report.new({
                              'report' => {
                                'content' => {
                                  'domains' => [],
                                  'definitions' => [rd.uri]
                                },
                                'meta' => {
                                  'tags' => '',
                                  'deprecated' => '0',
                                  'summary' => summary,
                                  'title' => title
                                }
                              }
                            })
      end
    end

    def results
      content['results']
    end

    def get_latest_report_definition_uri
      report_result = get_latest_report_result
      report_result.content['reportDefinition']
    end

    def get_latest_report_definition
      GoodData::MdObject[get_latest_report_definition_uri]
    end

    def get_latest_report_result_uri
      results.last
    end

    def get_latest_report_result
      GoodData::MdObject[get_latest_report_result_uri]
    end

    def execute
      result = GoodData.post '/gdc/xtab2/executor3', {'report_req' => {'report' => uri}}
      data_result_uri = result['execResult']['dataResult']
      result = GoodData.get data_result_uri
      while result['taskState'] && result['taskState']['status'] == 'WAIT' do
        sleep 10
        result = GoodData.get data_result_uri
      end
      ReportDataResult.new(GoodData.get data_result_uri)
    end

    def exportable?
      true
    end

    def export(format)
      result = GoodData.post('/gdc/xtab2/executor3', {'report_req' => {'report' => uri}})
      result1 = GoodData.post('/gdc/exporter/executor', {:result_req => {:format => format, :result => result}})
      png = GoodData.get(result1['uri'], :process => false)
      while (png.code == 202) do
        sleep(1)
        png = GoodData.get(result1['uri'], :process => false)
      end
      png
    end
  end
end