package com.plugin.test.DynUser;

import org.joget.plugin.base.ApplicationPlugin;
import org.joget.plugin.base.DefaultPlugin;
import org.joget.plugin.base.FormVariablePlugin;
import org.joget.plugin.base.ParticipantPlugin;
import org.joget.plugin.base.PluginProperty;
import java.util.logging.Level;
import java.util.logging.Logger;
import java.util.Map;
import org.joget.workflow.model.WorkflowAssignment;

import bsh.Interpreter;
import org.apache.commons.collections.SequencedHashMap;

import java.util.*;
import org.joget.directory.model.*;
import org.joget.plugin.base.PluginManager;
import org.joget.directory.model.service.DirectoryManager;
import org.joget.workflow.util.WorkflowUtil;


public class DynamicUserMapping extends DefaultPlugin implements ApplicationPlugin, FormVariablePlugin, ParticipantPlugin {

    public String getName() {
        return "DynamicUserMapping";
    }

    public String getDescription() {
        return "Maps the user dynamically for an activity based on conditions...";
    }

    public String getVersion() {
        return "1.0.0";
    }

    public PluginProperty[] getPluginProperties() {
        PluginProperty[] properties = new PluginProperty[]{
            new PluginProperty("script", "Script", PluginProperty.TYPE_TEXTAREA, null, null)
        };
        return properties;
    }

    public Object execute(Map properties) {
        //Object result = null;
        String script = (String) properties.get("script");
        System.out.println("Config Value : "+script);
        System.out.println("Inside Dynamic user Mapping plugin...");
        WorkflowAssignment wfAssignment = (WorkflowAssignment) properties.get("workflowAssignment");
        try {

			PluginManager pluginManager = null;
			if (properties != null) {
				pluginManager = (PluginManager) properties.get("pluginManager");
        	}

			/*DirectoryManager dm = (DirectoryManager) pluginManager.getBean("directoryManager");
			System.out.println("Current User Name : "+WorkflowUtil.getCurrentUsername());
			User user = dm.getUserByUsername( WorkflowUtil.getCurrentUsername() );
			Collection employments = user.getEmployments();
			Collection result = new ArrayList();
			if (employments.iterator().hasNext()){
			    Employment employment = (Employment) employments.iterator().next();
			    Department department = employment.getDepartment();
			    System.out.println("Dept Id : "+department.getId());
			    Collection users = dm.getUserByDepartmentId(department.getId());

			    for (Iterator it=users.iterator(); it.hasNext(); ) {
			        User tempUser = (User) it.next();
			        if(dm.isUserInGroup(tempUser.getUsername(), "HOD") )){
			            result.add(tempUser.getUsername());
			        }
			        result.add(tempUser.getUsername());
			        System.out.println("User Name : "+tempUser.getUsername());
			    }
			}*/

			Collection result = new ArrayList();
			DirectoryManager dm = (DirectoryManager) pluginManager.getBean("directoryManager");
			Collection<User> usrList = dm.getUserList();
			for (Iterator it=usrList.iterator(); it.hasNext(); ) {
				User tempUser = (User) it.next();
				result.add(tempUser.getUsername());
				System.out.println("User Name : "+tempUser.getUsername());
				//wfAssignment.setAssigneeName(tempUser.getUsername());
			}

            return result;
        } catch (Exception e) {
            Logger.getLogger(getClass().getName()).log(Level.WARNING, "Error executing plugin", e);
            return null;
        }
    }

	public Map getVariableOptions(Map properties) {
        Map resultMap = null;
        String script = (String) properties.get("script");
        script = WorkflowUtil.processVariable(script, "", null);
        Object result = executeScript(script, properties);
        if (result instanceof Map) {
            resultMap = (Map) result;
        } else if (result instanceof Object[]) {
            resultMap = new SequencedHashMap();
            for (Object row : (Object[]) result) {
                String val = row.toString();
                resultMap.put(val, val);
            }
        } else {
            resultMap = new HashMap();
        }
        return resultMap;
    }

    protected Object executeScript(String script, Map properties) {
        Object result = null;
        try {
            Interpreter interpreter = new Interpreter();
            interpreter.setClassLoader(getClass().getClassLoader());
            for (Object key : properties.keySet()) {
                interpreter.set(key.toString(), properties.get(key));
            }
            Logger.getLogger(getClass().getName()).log(Level.FINE, "Executing script " + script);
            result = interpreter.eval(script);
            return result;
        } catch (Exception e) {
            Logger.getLogger(getClass().getName()).log(Level.WARNING, "Error executing script", e);
            return null;
        }
    }

    public Collection<String> getActivityAssignments(Map properties) {
        String script = (String) properties.get("script");
        script = WorkflowUtil.processVariable(script, "", null);
        return (Collection<String>) executeScript(script, properties);
    }

}