package com.vci.server.workflow.server.delegate;

import java.util.List;

import com.vci.common.utility.ObjectUtility;
import com.vci.corba.common.VCIError;
import com.vci.corba.common.data.UserEntityInfo;
import com.vci.corba.workflow.data.FlowInstanceInfo;
import com.vci.server.base.delegate.BaseDelegate;
import com.vci.server.workflow.objects.FlowInstance;
import com.vci.server.workflow.server.instance.FlowInstanceService;

public class FlowInstanceDelegate extends BaseDelegate {
	FlowInstanceService service = null;

	public FlowInstanceDelegate(UserEntityInfo userEntityInfo) {
		super(userEntityInfo);
		service = new FlowInstanceService(this.getUserEntity());
	}

	public FlowInstanceDelegate() {
		service = new FlowInstanceService();
	}

	public String saveFlowInstance(FlowInstanceInfo info) throws VCIError {
		String flowId = info.id;
		if(flowId == null || flowId.trim().length() <= 0) {
			flowId = ObjectUtility.getNewObjectID36();
			info.id = flowId;
			try {
				service.saveFlowInstance(this.convertFlowInstanceInfoToFlowInstance(info));
			} catch (Exception ex) {
				throw new VCIError("410102", new String[] {});
			}
		}else{
			try {
				service.updateFlowInstance(this.convertFlowInstanceInfoToFlowInstance(info));
			} catch (Exception ex) {
				throw new VCIError("410102", new String[] {});
			}
		}
		return flowId;
	}

	public FlowInstanceInfo[] getFlowInstances(String applicant) throws VCIError {
		FlowInstanceInfo[] infos = new FlowInstanceInfo[0];
		try {
			List<FlowInstance> list = service.getFlowInstances(applicant);
			FlowInstance[] objects = list.toArray(new FlowInstance[] {});
			infos = this.convertFlowInstancesToFlowInstanceInfos(objects);
		} catch (Exception ex) {
			throw new VCIError("420101", new String[] {});
		}
		return infos;
	}

	public FlowInstanceInfo[] getFlowInstancesname(String name) throws VCIError {
		FlowInstanceInfo[] infos = new FlowInstanceInfo[0];
		try {
			List<FlowInstance> list = service.getFlowInstancesname(name);
			FlowInstance[] objects = list.toArray(new FlowInstance[] {});
			infos = this.convertFlowInstancesToFlowInstanceInfos(objects);
		} catch (Exception ex) {
			throw new VCIError("420101", new String[] {});
		}
		return infos;
	}

	private FlowInstance convertFlowInstanceInfoToFlowInstance(
			FlowInstanceInfo info) {
		FlowInstance object = new FlowInstance();
		object.setId(info.id);
		object.setExecutionid(info.executionid);
		object.setApplicant(info.applicant);
		object.setCreator(info.creator);
		object.setTemplatePuid(info.templatePuid);
		object.setTemplateName(info.templateName);
		object.setClsfOid(info.clsfOid);
		object.setTableName(info.tableName);
		object.setDesc(info.desc);
		object.setProcessType(info.processType);
		return object;
	}

	private FlowInstanceInfo[] convertFlowInstancesToFlowInstanceInfos(
			FlowInstance[] objects) {
		FlowInstanceInfo[] infos = new FlowInstanceInfo[objects.length];
		int i = 0;
		for (FlowInstance obj : objects) {
			infos[i++] = this.convertFlowInstanceToFlowInstanceInfo(obj);
		}
		return infos;
	}

	private FlowInstanceInfo convertFlowInstanceToFlowInstanceInfo(FlowInstance flowInstance) {
		FlowInstanceInfo flowInstanceInfo = new FlowInstanceInfo();
		flowInstanceInfo.id = flowInstance.getId() == null ? "" : flowInstance.getId();
		flowInstanceInfo.executionid = flowInstance.getExecutionid() == null ? "" : flowInstance.getExecutionid();
		flowInstanceInfo.applicant = flowInstance.getApplicant() == null ? "" : flowInstance.getApplicant();
		flowInstanceInfo.creator = flowInstance.getCreator() == null ? "" : flowInstance.getCreator();
		flowInstanceInfo.templatePuid = flowInstance.getTemplatePuid() == null ? "" : flowInstance.getTemplatePuid();
		flowInstanceInfo.templateName = flowInstance.getTemplateName() == null ? "" : flowInstance.getTemplateName();
		flowInstanceInfo.clsfOid = flowInstance.getClsfOid() == null ? "" : flowInstance.getClsfOid();
		flowInstanceInfo.tableName = flowInstance.getTableName() == null ? "" : flowInstance.getTableName();
		flowInstanceInfo.desc = flowInstance.getDesc() == null ? "" : flowInstance.getDesc();
		flowInstanceInfo.processType = flowInstance.getProcessType() == null ? "" : flowInstance.getProcessType();
		return flowInstanceInfo;
	}
}