package com.java1234.activiti.variable;


import java.util.Date;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

import org.activiti.engine.ProcessEngine;
import org.activiti.engine.ProcessEngines;
import org.activiti.engine.TaskService;
import org.activiti.engine.repository.Deployment;
import org.activiti.engine.runtime.ProcessInstance;
import org.activiti.engine.task.Task;
import org.junit.Test;

import com.java1234.model.Student;

/**
 * 流程變數測試
 * @author user
 *
 */
public class VariableTest {

	/**
	 * 獲取預設流程引擎例項，會自動讀取activiti.cfg.xml檔案
	 */
	private ProcessEngine processEngine=ProcessEngines.getDefaultProcessEngine();
	
	/**
	 * 部署流程定義
	 */
	@Test
	public void deploy(){
		Deployment deployment=processEngine.getRepositoryService() // 獲取部署相關Service
				.createDeployment() // 建立部署
				.addClasspathResource("diagrams/StudentLeaveProcess.bpmn") // 載入資原始檔
				.addClasspathResource("diagrams/StudentLeaveProcess.png") // 載入資原始檔
				.name("學生請假流程") // 流程名稱
				.deploy(); // 部署
		System.out.println("流程部署ID:"+deployment.getId()); 
		System.out.println("流程部署Name:"+deployment.getName());
	}
	
	/**
	 * 啟動流程例項
	 */
	@Test
	public void start(){
		ProcessInstance pi=processEngine.getRuntimeService() // 執行時Service
			.startProcessInstanceByKey("studentLevaeProcess"); // 流程定義表的KEY欄位值
		System.out.println("流程例項ID:"+pi.getId());
		System.out.println("流程定義ID:"+pi.getProcessDefinitionId()); 
	}
	
	
	/**
	 * 檢視任務
	 */
	@Test
	public void findTask(){
		List<Task> taskList=processEngine.getTaskService() // 任務相關Service
			.createTaskQuery() // 建立任務查詢
			.taskAssignee("李四") // 指定某個人
			.list();
		for(Task task:taskList){
			System.out.println("任務ID:"+task.getId()); 
			System.out.println("任務名稱:"+task.getName());
			System.out.println("任務建立時間:"+task.getCreateTime());
			System.out.println("任務委派人:"+task.getAssignee());
			System.out.println("流程例項ID:"+task.getProcessInstanceId());
		}
	}
	
	
	/**
	 * 完成任務
	 */
	@Test
	public void completeTask(){
		processEngine.getTaskService() // 任務相關Service
			.complete("80002");
	}
	
	/**
	 * 設定流程變數資料
	 */
	@Test
	public void setVariableValues(){
		TaskService taskService=processEngine.getTaskService(); // 任務Service
		String taskId="72504";
		taskService.setVariable(taskId, "days", 2);
		// taskService.setVariable(taskId, "date", new Date());
		taskService.setVariableLocal(taskId,"date", new Date());
		taskService.setVariable(taskId, "reason", "發燒");
		Student student=new Student();
		student.setId(1);
		student.setName("張三");
		taskService.setVariable(taskId, "student", student); // 存序列化物件
	}
	
	/**
	 * 獲取流程變數資料
	 */
	@Test
	public void getVariableValues(){
		TaskService taskService=processEngine.getTaskService(); // 任務Service
		String taskId="80002";
		Integer days=(Integer) taskService.getVariable(taskId, "days");
		// Date date=(Date) taskService.getVariable(taskId, "date");
		Date date=(Date) taskService.getVariableLocal(taskId, "date");
		String reason=(String) taskService.getVariable(taskId, "reason");
		Student student=(Student) taskService.getVariable(taskId, "student"); 
		System.out.println("請假天數："+days);
		System.out.println("請假日期："+date);
		System.out.println("請假原因："+reason);
		System.out.println("請假物件："+student.getId()+","+student.getName());
	}
	
	
	
	/**
	 * 設定流程變數資料
	 */
	@Test
	public void setVariableValues2(){
		TaskService taskService=processEngine.getTaskService(); // 任務Service
		String taskId="60004";
		Student student=new Student();
		student.setId(1);
		student.setName("張三");

		Map<String, Object> variables=new HashMap<String,Object>();
		variables.put("days", 2);
		variables.put("date", new Date());
		variables.put("reason", "發燒");
		variables.put("student", student);
		taskService.setVariables(taskId, variables);
	}
	
	/**
	 * 獲取流程變數資料
	 */
	@Test
	public void getVariableValues2(){
		TaskService taskService=processEngine.getTaskService(); // 任務Service
		String taskId="65002";
		Map<String,Object> variables=taskService.getVariables(taskId);
		Integer days=(Integer) variables.get("days");
		Date date=(Date) variables.get("date");
		String reason=(String) variables.get("reason");
		Student student=(Student)variables.get("student"); 
		System.out.println("請假天數："+days);
		System.out.println("請假日期："+date);
		System.out.println("請假原因："+reason);
		System.out.println("請假物件："+student.getId()+","+student.getName());
	}

}