class SlackSmartBot
  module Commands
    module General
      module Teams
        def update_team(user, team_name, new_name: "", new_info: "", delete_opts: "", add_opts: "")
          save_stats(__method__)
          get_teams()
          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 + [@teams[team_name.to_sym].creator] + config.team_id_masters).flatten.include?("#{user.team_id}_#{user.name}")
            respond "You have to be a member of the team, the creator or a Master admin to be able to update this team."
          else
            wrong = false
            if new_name != ""
              team = @teams[team_name.to_sym].deep_copy
              @teams[new_name.to_sym] = team
              @teams.delete(team_name.to_sym)
              File.delete(File.join(config.path, "teams", "t_#{team_name}.yaml"))
              message = "The *#{team_name}* team has been renamed #{new_name}."
              team_name = new_name
            elsif new_info != ""
              @teams[team_name.to_sym].info = new_info
            elsif delete_opts != ""
              last_type = nil
              delete_opts.split(" ").each do |opt|
                if opt.match?(/^\s*$/)
                  #blank
                elsif opt.match?(/^[\w\-]+$/i)
                  last_type = opt
                elsif opt.match(/<?@(\w+)>?/i) #accepts also @username for the case the user has been deactivated
                  member_id = $1
                  member_info = find_user(member_id)
                  if last_type.nil?
                    @teams[team_name.to_sym].members.each do |type, members|
                      @teams[team_name.to_sym].members[type].delete("#{member_info.team_id}_#{member_info.name}")
                    end
                  else
                    @teams[team_name.to_sym].members[last_type] ||= []
                    @teams[team_name.to_sym].members[last_type].delete("#{member_info.team_id}_#{member_info.name}")
                  end
                elsif opt.match(/<#(\w+)\|[^>]*>/i)
                  channel_id = $1
                  get_channels_name_and_id() unless @channels_name.keys.include?(channel_id)
                  channel = @channels_name[channel_id]
                  if last_type.nil?
                    @teams[team_name.to_sym].channels.each do |type, channels|
                      @teams[team_name.to_sym].channels[type].delete(channel)
                    end
                  else
                    @teams[team_name.to_sym].channels[last_type] ||= []
                    @teams[team_name.to_sym].channels[last_type].delete(channel)
                  end
                else
                  respond "It seems like the members or channel list is not correct. Please double check."
                  wrong = true
                  break
                end
              end
              tmembers = @teams[team_name.to_sym].members.deep_copy
              tmembers.each do |type, members|
                @teams[team_name.to_sym].members.delete(type) if members.empty?
              end
              tchannels = @teams[team_name.to_sym].channels.deep_copy
              tchannels.each do |type, channels|
                @teams[team_name.to_sym].channels.delete(type) if channels.empty?
              end
            elsif add_opts != ""
              last_type = nil
              add_opts.split(" ").each do |opt|
                if opt.match?(/^\s*$/)
                  #blank
                elsif opt.match?(/^[\w\-]+$/i)
                  last_type = opt
                elsif opt.match(/<@(\w+)>/i)
                  member_id = $1
                  last_type = "no_type" if last_type.nil?
                  member_info = find_user(member_id)
                  @teams[team_name.to_sym].members[last_type] ||= []
                  @teams[team_name.to_sym].members[last_type] << "#{member_info.team_id}_#{member_info.name}"
                  @teams[team_name.to_sym].members[last_type].uniq!
                elsif opt.match(/<#(\w+)\|[^>]*>/i)
                  channel_id = $1
                  get_channels_name_and_id() unless @channels_name.keys.include?(channel_id)
                  channel = @channels_name[channel_id]
                  @teams[team_name.to_sym].channels[last_type] ||= []
                  @teams[team_name.to_sym].channels[last_type] << channel
                  @teams[team_name.to_sym].channels[last_type].uniq!
                else
                  respond "It seems like the members or channel list is not correct. Please double check."
                  wrong = true
                  break
                end
              end
              tmembers = @teams[team_name.to_sym].members.deep_copy
              tmembers.each do |type, members|
                @teams[team_name.to_sym].members.delete(type) if members.empty?
              end
              tchannels = @teams[team_name.to_sym].channels.deep_copy
              tchannels.each do |type, channels|
                @teams[team_name.to_sym].channels.delete(type) if channels.empty?
              end
            end
            unless wrong
              message ||= "The *#{team_name}* team has been updated."
              @teams[team_name.to_sym].status = :updated
              @teams[team_name.to_sym].user = "#{user.team_id}_#{user.name}"
              @teams[team_name.to_sym].date = Time.now.strftime("%Y-%m-%dT%H:%M:%S.000Z")[0..18]
              update_teams()
            end
            respond message
            see_teams(user, team_name, add_stats: false) unless wrong
          end
        end
      end
    end
  end
end