package com.vci.client.workflow.user;

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

import com.vci.client.common.objects.UserEntityObject;
import com.vci.client.portal.utility.TableDataUtil;
import com.vci.client.workflow.delegate.ProcessCustomClientDelegate;
import com.vci.corba.workflow.data.FlowInstanceInfo;

public class VciWorkflowUserImpl implements WorkflowUserInterface {
	
	enum UserExpression{
		all("all", 0, "所有人"),
		creator("creator", 1, "拟稿人"),
		creatordept("creator.dept", 2, "拟稿人所在部门"),
		ownerdept("owner.dept", 3, "当前处理人所在部门"),
		allleader("allleader", 4, "所有领导"),
		allsecretary("allsecretary", 5, "所有秘书"),
		creatordeptleader("creator.dept.leader", 6, "拟稿人所在部门领导"),
		ownerdeptleader("owner.dept.leader", 7, "当前处理人所在部门领导"),
		owner("owner", 8, "当前节点处理人"),
		onenodealluser("onenode.alluser", 9 , "某一级别的所有人"),
		onenodemanager("onenode.manager", 10 , "某一节点处理人"),
		chooseByForm("chooseByForm", 11 , "从业务表单中选择"),
		ownerchilddept("owner.childdept", 12, "当前处理人的一级部门"),
		ownercustomorg("owner.customorg", 13, "当前人的自定义组"),//暂不处理
		custom("custom", 14, "反射类");
		
		private String value;
		private String explain;
		
		private UserExpression(String value, int index, String explain){
			this.value = value;
			this.explain = explain;
		}
	}
	
	private static VciWorkflowUserImpl instance = null;
	
	public static VciWorkflowUserImpl getInstance() {
		if(instance == null) {
			instance = new VciWorkflowUserImpl();
		}
		return instance;
	}
	
	private TableDataUtil util = new TableDataUtil();
	private String id = "";
	private UserEntityObject userObj = null;
	
	public List<String[]> getUserByExp(String exp, String executionId, UserEntityObject userObj) {
		if(exp == null | exp.length() == 0 | userObj == null) {
			return new ArrayList<String[]>();
		}
		this.userObj = userObj;
		this.id = executionId;
		for(UserExpression ue : UserExpression.values()) {
			if(exp.equals(ue.value)) {
				try {
					return getUser(ue);
				} catch (Exception e) {
					e.printStackTrace();
				}
			}
		}
		return new ArrayList<String[]>();
	}
	
	private List<String[]> getUser(UserExpression ue) throws Exception {
		List<Map<String, String>>  list = null;
		List<String[]> nullList = new ArrayList<String[]>();
		Map<String, String> conditionMap = new HashMap<String, String>();
		System.out.println(ue.explain);
		switch(ue) {
		case all:
			list = queryDate("personTemplete", null, "person");
			return turnIDList(list, "id");
		case creator:
			list = queryUser();
			return turnIDList(list, "id");
		case creatordept:
			list = queryDept();
			return turnIDList(list, "oid");
		case ownerdept:
			id = null;
			list = queryDept();
			return turnIDList(list, "oid");
		case allleader:
			conditionMap.put("islead", "1");
			list = queryDate("personTemplete", conditionMap, "person");
			return turnIDList(list, "id");
		case allsecretary:
			conditionMap.put("issecretary", "1");
			list = queryDate("personTemplete", conditionMap, "person");
			return turnIDList(list, "oid");
		case creatordeptleader:
			list = queryDeptLeader();
			return turnIDList(list, "oid");
		case ownerdeptleader:
			id = null;
			list = queryDeptLeader();
			return turnIDList(list, "oid");
		case owner:
			id = null;
			list = queryUser();
			return turnIDList(list, "oid");
		case onenodealluser:
			break;
		case onenodemanager:
			break;
		case chooseByForm:
			break;
		case ownerchilddept:
			id = null;
			list = queryDept();
			if(list == null) {
				return nullList;
			}
			String oid = list.get(0).get("oid");
			conditionMap.put("parentdept", oid);
			list = queryDate("DepartmentQueryTemplate", conditionMap, "department");
			return turnIDList(list, "oid");
		case ownercustomorg:
			break;
		case custom:
			if(id != null && id.length() > 0) {
				WorkflowUserInterface inter = (WorkflowUserInterface) (Class
						.forName(id).newInstance());
				return inter.getUserByExp(null, null, this.userObj);
			}
			
			break;
		}
		return nullList;
	}

	/**
	 * 返回长度为4的数组，第一个为id(user时)或oid(其他情况)，第二个是name,其他为空
	 * @param list
	 * @param key
	 * @return
	 */
	private List<String[]> turnIDList(List<Map<String, String>> list, String key) {
		List<String[]> idList = new ArrayList<String[]>();
		if(list != null) {
			for(Map<String, String> map : list) {
				String[] strs = new String[4];
				strs[0] = map.get(key);
				strs[1] = map.get("name");
				idList.add(strs);
			}
		}
		return idList;
	}
	
	private List<Map<String, String>> queryDeptLeader() throws Exception{
		List<Map<String, String>> list = queryDept();
		if(list == null) {
			return new ArrayList<Map<String, String>>();
		}
		Map<String, String> conditionMap = new HashMap<String, String>();
		conditionMap = new HashMap<String, String>();
		conditionMap.put("f_oid", list.get(0).get("oid"));
		conditionMap.put("isparttime", "0");
		list = queryDate("deptPersonTemplate", conditionMap, "deptperson");
		List<Map<String, String>> index = new ArrayList<Map<String, String>>();
		for(Map<String, String> map : list) {
			if("1".equals(map.get("islead"))) {
				index.add(map);
			}
		}
		return index;
	}
	
	private List<Map<String, String>> queryDept() throws Exception{
		List<Map<String, String>> list = queryUser();
		if(list.size() != 1) {
			return new ArrayList<Map<String, String>>();
		}
		String t_oid = list.get(0).get("oid");
		Map<String, String> conditionMap = new HashMap<String, String>();
		conditionMap.put("t_oid", t_oid);
		conditionMap.put("isparttime", "0");
		return queryDate("queryDeptTemplate", conditionMap, "deptperson");
	}
	
	private List<Map<String, String>> queryUser() throws Exception{
		String userName = "";
		if(id == null || id.length() == 0) {				
			userName = userObj.getUserName();
		} else {
			ProcessCustomClientDelegate pccd = new ProcessCustomClientDelegate(userObj);
			FlowInstanceInfo fii = pccd.getFlowInstanceInfo(id);
			userName = fii.creator;
		}
		Map<String, String> conditionMap = new HashMap<String, String>();
		conditionMap.put("id", userName);
		return queryDate("personTemplete", conditionMap, "person");
	}
	
	private List<Map<String, String>> queryDate(String qtName, Map<String, String> conditionMap, String type) {
		List<Map<String, String>> dataModel = null;
		Map<String, String> queryColumnsMap = new HashMap<String, String>();
		queryColumnsMap.put("*", "标题");
		try {
			dataModel = util.getObjectDataList(qtName, null,
					conditionMap , null, null, type,
					queryColumnsMap, null, null);
		} catch (Exception e) {
			e.printStackTrace();
		}
		if(dataModel == null) {
			dataModel = new ArrayList<Map<String, String>>();
		}
		return dataModel;
	}

	public String getAttrbuteByCondition(Map<String, String> items,
			String attr) {
		String str = items.get(attr) == null ? "" : items.get(attr);
		return str;
	}

}