require "date"

module Connectors
  class Report < Base
    include Helpers::ShowCommand,
      Helpers::UpdateCommand,
      Helpers::ListCommand

    def initialize(db)
      super(db)
    end

    def collection_name
      'reports'
    end

    def save_report r
      r.created_at = Time.new
      collection.insert(r.to_mongo_hash) unless report_exists?(r.id)
    end

    def report_exists? id
      !collection.find({"_id" => id}, fields: ["_id" => true]).to_a.empty?
    end

    def reports options={}
      date = {}
      if options.has_key?("date_from") or options.has_key?("date_to")
        if options.has_key?("date_from")
          begin
            d = Date.parse(options["date_from"])
            date["$gte"] = d.to_time
          rescue ArgumentError
          end
        end
        if options.has_key?("date_to")
          begin
            d = Date.parse(options["date_to"])
            date["$lt"] = d.to_time
          rescue ArgumentError
          end
        end
        options.delete("date_from")
        options.delete("date_to")
        options["created_at"] = date unless date.empty?
      end
      sort = {created_at: -1}
      if options["sort"]
        val = options.delete("sort")
        sort = {created_at: (val == "desc" ? -1 : 1)}
      end
      collection.find(options).sort(sort).to_a.map {|bson| model_from_bson(bson)}
    end

    def add_report_subreports(jid, subreports)
      collection.update({"_id" => jid}, {"$push" => {"subreports" => {"$each" => subreports}}})
    end

    def set_report_status(jid, status, job_result_code)
      set = {"status" => status, "updated_at" => Time.new}
      set["job_result_code"] = job_result_code unless job_result_code.nil?
      collection.update({"_id" => jid}, {"$set" => set})
      DevopsLogger.logger.info("Report '#{jid}' status has been changed to '#{status}'")
    end

    def set_report_server_data id, chef_node_name, host
      collection.update({"_id" => id}, {"$set" => {"chef_node_name" => chef_node_name, "host" => host}})
    end

    def create_indexes
      info = collection.index_information
      unless info["created_at_1"]
        collection.create_index({created_at: Mongo::ASCENDING})
        DevopsLogger.logger.info("Index 'created_at_1' for reports collection has been created")
      end
      unless info["project_1_deploy_env_1_created_at_1"]
        collection.create_index({project: Mongo::ASCENDING, deploy_env: Mongo::ASCENDING, created_at: Mongo::ASCENDING})
        DevopsLogger.logger.info("Index 'project_1_deploy_env_1_created_at_1' for reports collection has been created")
      end
    end

    private

    def model_from_bson(bson)
      Devops::Model::Report.new(bson)
    end
  end
end