import java.util.Iterator;

import com.kaltura.client.enums.*;
import com.kaltura.client.types.*;
import com.kaltura.client.services.*;
import com.kaltura.client.KalturaApiException;
import com.kaltura.client.KalturaClient;
import com.kaltura.client.KalturaConfiguration;

public class ListChannelOwners {
	public static void main(String[] argv) {
		
		try {
			// Create the configuration object. 
			// The KalturaClient is used to create the Kaltura Session which used behind the scenes
			// on all API calls.
			KalturaConfiguration config = new KalturaConfiguration();
			config.setEndpoint("https://www.kaltura.com");
			KalturaClient client = new KalturaClient(config);
			String userid = "useremail.com";
			String password="password";
			int partnerId = 99999999;
			
			// This should be setup to use the users login from the web page requesting this
			// or if we want to generate the report nightly we could setup a mech id
			// The user will need admin to get all the categories 
			String session = client.getUserService().loginByLoginId(userid, password, partnerId);
			client.setSessionId(session);
			System.out.println("Session Created, Report running for PartnerID : " + partnerId);
			
			// Now we'll get all the categories. The filter by name ensures we only
			// get channels which are in a specific part of hierarchy 
			KalturaCategoryFilter filter = new KalturaCategoryFilter();
			filter.fullNameStartsWith = "MediaSpace>site>channels>";
			KalturaFilterPager pager = null;
			KalturaCategoryListResponse result = client.getCategoryService()
					.list(filter, pager);
			
			// Iterate on the categories
			Iterator it = result.objects.iterator();
			while (it.hasNext()) {
				KalturaCategory cat = (KalturaCategory) it.next();
				//String channelName = cat.n
				System.out.println("Channel : " + cat.name);
				System.out.print("Owner: " + cat.owner);
				System.out.print(", Member Count: " + cat.membersCount);
				System.out.println(", Video Count: " + cat.entriesCount);
				
				// Get users with MANAGER permission for this categoryid
				KalturaCategoryUserFilter userfilter = new KalturaCategoryUserFilter();
				userfilter.categoryIdEqual = cat.id;
				userfilter.permissionLevelEqual = KalturaCategoryUserPermissionLevel.MANAGER;
				KalturaCategoryUserListResponse userlist = client.getCategoryUserService().list(userfilter);
				System.out.print("Manager(s): " );
				
				// skip if list is non-existent for some reason
				if (userlist.objects == null) continue;		
				
				// For each manager user output them unless also owner
				Iterator userIt = userlist.objects.iterator();
				while (userIt.hasNext()) {
					KalturaCategoryUser user = (KalturaCategoryUser) userIt.next();
					if (!user.userId.equals(cat.owner)) {
						System.out.print(user.userId + " ");
					}
					else if (userlist.objects.size()<2) {
						System.out.print("None");
					}
				}
				System.out.println("\n---------------------------------");
			}

		} catch (Exception exc) {
			exc.printStackTrace();
		}
	}
}