class SlackSmartBot
  module Commands
    module General
      module Teams
        module Memos
          def delete_memo_team(user, team_name, memo_id)
            save_stats(__method__) if answer.empty?

            get_teams()
            team_id_user = "#{user.team_id}_#{user.name}"

            if @teams.key?(team_name.to_sym)
              assigned_members = @teams[team_name.to_sym].members.values.flatten
              assigned_members.uniq!
              all_team_members = assigned_members.dup
              team_members = []
              if @teams[team_name.to_sym].channels.key?("members")
                @teams[team_name.to_sym].channels["members"].each do |ch|
                  get_channels_name_and_id() unless @channels_id.key?(ch)
                  tm = get_channel_members(@channels_id[ch])
                  tm.each do |m|
                    user_info = find_user(m)
                    team_members << "#{user_info.team_id}_#{user_info.name}" unless user_info.is_app_user or user_info.is_bot
                  end
                end
              end
              team_members.flatten!
              team_members.uniq!
              all_team_members += team_members
              all_team_members.uniq!
            end

            if !@teams.key?(team_name.to_sym)
              respond "It seems like the team *#{team_name}* doesn't exist.\nRelated commands `add team TEAM_NAME PROPERTIES`, `see team TEAM_NAME`, `see teams`"
            elsif !(all_team_members + config.team_id_masters).flatten.include?(team_id_user)
              respond "You have to be a member of the team or a Master admin to be able to delete a memo of the team."
            elsif !@teams[team_name.to_sym].key?(:memos) or @teams[team_name.to_sym][:memos].empty? or !@teams[team_name.to_sym][:memos].memo_id.include?(memo_id.to_i)
              respond "It seems like there is no memo with id #{memo_id}"
            elsif @teams[team_name.to_sym][:memos].memo_id.include?(memo_id.to_i)
              memo_selected = @teams[team_name.to_sym][:memos].select { |m| m.memo_id == memo_id.to_i }[-1]
              if memo_selected.privacy == "personal" and memo_selected.user != team_id_user
                respond "Only the creator can delete a personal memo."
              else
                if answer.empty?
                  message = @teams[team_name.to_sym][:memos].select { |memo| memo.memo_id == memo_id.to_i }.message.join
                  ask "do you really want to delete the memo #{memo_id} (#{message}) from #{team_name} team? (yes/no)"
                else
                  case answer
                  when /yes/i, /yep/i, /sure/i
                    answer_delete
                    memos = []
                    message = ""
                    get_teams()
                    @teams[team_name.to_sym][:memos].each do |memo|
                      if memo.memo_id != memo_id.to_i
                        memos << memo
                      else
                        message = memo.message
                        memos_file = File.join(config.path, "teams", "t_#{team_name}_memos.yaml.deleted")
                        File.open(memos_file, "a+") { |file|
                          file.flock(File::LOCK_EX)
                          file.write("#{Utils::Encryption.encrypt([memo].to_yaml.gsub(/^---\s*$/, ""),config)}\n\n")
                          file.flock(File::LOCK_UN)
                        }
                      end
                    end
                    @teams[team_name.to_sym][:memos] = memos
                    update_teams()
                    respond "The memo has been deleted from team #{team_name}: #{message}"
                  when /no/i, /nope/i, /cancel/i
                    answer_delete
                    respond "Ok, the memo was not deleted"
                  else
                    respond "I don't understand"
                    ask "do you really want to delete the memo from #{team_name} team? (yes/no)"
                  end
                end
              end
            end
          end
        end
      end
    end
  end
end