/**

 * 

 */

package com.innovalog.jmwe.plugins.validators;



import java.util.Collection;

import java.util.Collections;

import java.util.HashMap;

import java.util.Map;



import com.atlassian.jira.plugin.workflow.AbstractWorkflowPluginFactory;

import com.atlassian.jira.plugin.workflow.WorkflowPluginValidatorFactory;

import com.atlassian.jira.security.groups.GroupManager;

import com.googlecode.jsu.util.WorkflowUtils;

import com.opensymphony.workflow.loader.AbstractDescriptor;

import com.opensymphony.workflow.loader.ValidatorDescriptor;



/**

 * @author fischerd

 *

 */

public class WorkflowCommentRequiredValidator extends

		AbstractWorkflowPluginFactory implements WorkflowPluginValidatorFactory {

    private final WorkflowUtils workflowUtils;

    private final GroupManager groupManager;



    public WorkflowCommentRequiredValidator(WorkflowUtils workflowUtils, GroupManager groupManager) {

        this.workflowUtils = workflowUtils;

        this.groupManager = groupManager;

    }



    /* (non-Javadoc)

      * @see com.atlassian.jira.plugin.workflow.AbstractWorkflowPluginFactory#getVelocityParamsForEdit(java.util.Map, com.opensymphony.workflow.loader.AbstractDescriptor)

      */

	@Override

	protected void getVelocityParamsForEdit(Map velocityParams,

			AbstractDescriptor descriptor) {

		getVelocityParamsForInput(velocityParams);

		getVelocityParamsForView(velocityParams, descriptor);



		ValidatorDescriptor validatorDescriptor = (ValidatorDescriptor) descriptor;

		Map args = validatorDescriptor.getArgs();

		

		velocityParams.remove("val-groupsList");

		

		String strGroupsSelected = (String)args.get("hidGroupsList");

		Collection groupsSelected = strGroupsSelected==null ? Collections.emptyList() : workflowUtils.getGroups(strGroupsSelected, WorkflowUtils.SPLITTER);

		

		Collection groups = groupManager.getAllGroups();

		groups.removeAll(groupsSelected);

		

		velocityParams.put("val-hidGroupsList", workflowUtils.getStringGroup(groupsSelected, WorkflowUtils.SPLITTER));

		velocityParams.put("val-groupsList", Collections.unmodifiableCollection(groups));

}



	/* (non-Javadoc)

	 * @see com.atlassian.jira.plugin.workflow.AbstractWorkflowPluginFactory#getVelocityParamsForInput(java.util.Map)

	 */

	@Override

	protected void getVelocityParamsForInput(Map velocityParams) {

		Collection groups = groupManager.getAllGroups();

		velocityParams.put("val-groupsList", Collections.unmodifiableCollection(groups));

		velocityParams.put("val-splitter", WorkflowUtils.SPLITTER);

	}



	/* (non-Javadoc)

	 * @see com.atlassian.jira.plugin.workflow.AbstractWorkflowPluginFactory#getVelocityParamsForView(java.util.Map, com.opensymphony.workflow.loader.AbstractDescriptor)

	 */

	@Override

	protected void getVelocityParamsForView(Map velocityParams,

			AbstractDescriptor descriptor) {

		ValidatorDescriptor validatorDescriptor = (ValidatorDescriptor) descriptor;

		Map args = validatorDescriptor.getArgs();

		velocityParams.put("errorMessage", args.get("errorMessage"));



		String strGroupsSelected = (String)args.get("hidGroupsList");

        Collection groupsSelected = strGroupsSelected==null ? Collections.emptyList() : workflowUtils.getGroups(strGroupsSelected, WorkflowUtils.SPLITTER);

		

		velocityParams.put("val-groupsListSelected", Collections.unmodifiableCollection(groupsSelected));

}



	/* (non-Javadoc)

	 * @see com.atlassian.jira.plugin.workflow.WorkflowPluginFactory#getDescriptorParams(java.util.Map)

	 */

	public Map getDescriptorParams(Map formParams) {

		Map<String, String> params = new HashMap<String, String>();

		String strErrorMessage = extractSingleParam(formParams, "errorMessage");

		

		params.put("errorMessage", strErrorMessage);

		

		try{

			String strGroupsSelected = extractSingleParam(formParams, "hidGroupsList");

			params.put("hidGroupsList", strGroupsSelected);

			

		}catch(IllegalArgumentException iae){

			// Aggregate so that Transitions can be added.

		}

		

		return params;

	}



}