package com.qxueyou.scc.exercise.action;

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

import org.apache.commons.lang3.StringUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.ResponseBody;

import com.qxueyou.scc.base.dao.CommonDAO;
import com.qxueyou.scc.base.model.Result;
import com.qxueyou.scc.exercise.model.ExerciseGroup;
import com.qxueyou.scc.exercise.service.IExerciseService;

import io.swagger.annotations.Api;

/**
 * 练习题目控制
 * 
 * @author kevin
 * @history 2018-03-11 create kevin
 */

@Api(tags = "题目基础处理接口")
@Controller
@RequestMapping(value = "/exercise/item")
public class ExerciseItemController {
	
	@Autowired
	private CommonDAO commonDAO;

	@Autowired
	private IExerciseService exerciseService;

	/**
	 * 删除题目
	 * 
	 * @param exerciseGroupIds
	 * @return
	 */
	@RequestMapping(value = "/delete", method = RequestMethod.GET)
	public @ResponseBody Result delete(String groupId,String exerciseItemIds) {
		if(StringUtils.isEmpty(exerciseItemIds)){
			return new Result(false,"没有选择需要删除的题目");
		}
		
		//查询题库与题目的关系
		Map<String,Object> params = new HashMap<String, Object>(1);
		String queryHql = "select r.relationId from ExerciseGroupItemRe r where r.deleteFlag is false  and exerciseGroupId=:groupId and r.exerciseItemId in (:exerciseItemIds)";
		params.put("groupId",groupId);
		params.put("exerciseItemIds",exerciseItemIds.split(","));
		List<String> lstExerciseGroupItemRe = commonDAO.findByComplexHql(queryHql, params, String.class);
		String [] arrItemRe=null;
		if(lstExerciseGroupItemRe!=null && lstExerciseGroupItemRe.size()>0){
			arrItemRe= new String[lstExerciseGroupItemRe.size()];
			for(int i=0;i<lstExerciseGroupItemRe.size();i++){
				arrItemRe[i]=lstExerciseGroupItemRe.get(i);
			}
		}
		
		return  exerciseService.deleteExerciseItems(exerciseItemIds.split(","),arrItemRe, groupId);
	}

	/**
	 * （后台管理系统）保存题目
	 * @return
	 */
	@RequestMapping(value = "/save", method = RequestMethod.POST)
	@ResponseBody
	public Result addOrUpdateItem(@RequestBody ExerciseGroup exerciseGroup){
		return exerciseService.saveExerciseItemBatch(exerciseGroup.getGroupId(), exerciseGroup.getItems());
	}

}