package com.qxgmat.service;

import com.github.pagehelper.Page;
import com.nuliji.tools.AbstractService;
import com.nuliji.tools.Transform;
import com.nuliji.tools.exception.ParameterException;
import com.nuliji.tools.exception.SystemException;
import com.nuliji.tools.mybatis.Example;
import com.qxgmat.data.dao.UserNoteQuestionMapper;
import com.qxgmat.data.dao.entity.UserNoteQuestion;
import com.qxgmat.data.relation.UserNoteQuestionRelationMapper;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;

import javax.annotation.Resource;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Date;
import java.util.List;

@Service
public class UserNoteQuestionService extends AbstractService {
    private static final Logger logger = LoggerFactory.getLogger(UserNoteQuestionService.class);

    @Resource
    private UserNoteQuestionMapper userNoteQuestionMapper;

    @Resource
    private UserNoteQuestionRelationMapper userNoteQuestionRelationMapper;

    /**
     * 获取用户笔记列表
     * @param page
     * @param size
     * @param userId
     * @param questionTypes
     * @param structIds
     * @param startTime
     * @param endTime
     * @param order
     * @return
     */
    public Page<UserNoteQuestion> listExercise(int page, int size, Integer userId, String keyword, String[] questionTypes, String[] courseModule, Integer[] structIds, Date startTime, Date endTime, String order){
        Page<UserNoteQuestion> p = page(()->{
            userNoteQuestionRelationMapper.listExercise(userId, keyword, questionTypes, courseModule, structIds, startTime, endTime, order);
        }, page, size);

        Collection ids = Transform.getIds(p, UserNoteQuestion.class, "id");

        // 获取详细数据
        List<UserNoteQuestion> list = select(ids);
        Transform.replace(p, list, UserNoteQuestion.class, "id");
        return p;
    }
    /**
     * 获取用户笔记列表
     * @param page
     * @param size
     * @param userId
     * @param questionTypes
     * @param structIds
     * @param startTime
     * @param endTime
     * @param order
     * @return
     */
    public Page<UserNoteQuestion> listExamination(int page, int size, Integer userId, String keyword, String[] questionTypes, Integer[] structIds, Integer libraryId, String year, Date startTime, Date endTime, String order){
        Page<UserNoteQuestion> p = page(()->{
            userNoteQuestionRelationMapper.listExamination(userId, keyword, questionTypes, structIds, libraryId, year, startTime, endTime, order);
        }, page, size);

        Collection ids = Transform.getIds(p, UserNoteQuestion.class, "id");

        // 获取详细数据
        List<UserNoteQuestion> list = select(ids);
        Transform.replace(p, list, UserNoteQuestion.class, "id");
        return p;
    }

    /**
     * 查询用户笔记情况
     * @param userId
     * @param questionId
     * @return
     */
    public UserNoteQuestion getByUserAndQuestion(Integer userId, Integer questionId){

        Example example = new Example(UserNoteQuestion.class);
        example.and(
                example.createCriteria()
                        .andEqualTo("userId", userId)
                        .andEqualTo("questionId", questionId)
        );
        UserNoteQuestion in = one(userNoteQuestionMapper, example);
        return in;
    }

    /**
     * 查询用户笔记情况：批量
     * @param userId
     * @param ids
     * @return
     */
    public List<UserNoteQuestion> listByUserAndQuestions(Integer userId, Collection ids){
        if(ids==null || ids.size() == 0) return new ArrayList<>();
        Example example = new Example(UserNoteQuestion.class);
        example.and(
                example.createCriteria()
                        .andEqualTo("userId", userId)
                        .andIn("questionId", ids)
        );
        return select(userNoteQuestionMapper, example);
    }

    /**
     * 更新用户笔记：没有则添加
     * @param note
     * @return
     */
    @Transactional
    public UserNoteQuestion updateNote(UserNoteQuestion note){
        Example example = new Example(UserNoteQuestion.class);
        example.and(
                example.createCriteria()
                        .andEqualTo("userId", note.getUserId())
                        .andEqualTo("questionModule", note.getQuestionModule())
        );
        example.and(
                example.createCriteria()
                        .orEqualTo("questionId", note.getQuestionId())
                        .orEqualTo("questionNoId", note.getQuestionNoId())
        );
        UserNoteQuestion in = one(userNoteQuestionMapper, example);
        Date now = new Date();
        if(in == null){
            // 按实际更新更改更新时间
            if (note.getQuestionContent() != null && !note.getQuestionContent().isEmpty()){
                note.setQuestionTime(now);
            }
            if (note.getOfficialContent() != null && !note.getOfficialContent().isEmpty()){
                note.setOfficialTime(now);
            }
            if (note.getQxContent() != null && !note.getQxContent().isEmpty()){
                note.setQxTime(now);
            }
            if (note.getAssociationContent() != null && !note.getAssociationContent().isEmpty()){
                note.setAssociationTime(now);
            }
            if (note.getQaContent() != null && !note.getQaContent().isEmpty()){
                note.setQaTime(now);
            }
            return add(note);
        }else{
            note.setId(in.getId());

            // 按实际更新更改更新时间
            if (note.getQuestionContent() != null && !note.getQuestionContent().equals(in.getQuestionContent())){
                note.setQuestionTime(now);
            }
            if (note.getOfficialContent() != null && !note.getOfficialContent().equals(in.getOfficialContent())){
                note.setOfficialTime(now);
            }
            if (note.getQxContent() != null && !note.getQxContent().equals(in.getQxContent())){
                note.setQxTime(now);
            }
            if (note.getAssociationContent() != null && !note.getAssociationContent().equals(in.getAssociationContent())){
                note.setAssociationTime(now);
            }
            if (note.getQaContent() != null && !note.getQaContent().equals(in.getQaContent())){
                note.setQaTime(now);
            }
            // 如果所有内容为空，则删除
            return edit(note);
        }
    }

    /**
     * 删除笔记
     * @param userId
     * @param questionId
     * @return
     */
    @Transactional
    public boolean deleteNote(Integer userId, Integer questionId){
        Example example = new Example(UserNoteQuestion.class);
        example.and(
                example.createCriteria()
                        .andEqualTo("userId", userId)
                        .andEqualTo("questionId", questionId)
        );
        UserNoteQuestion in = one(userNoteQuestionMapper, example);
        if (in == null){
            return true;
        }
        return delete(in.getId());
    }

    public UserNoteQuestion add(UserNoteQuestion note){
        int result = insert(userNoteQuestionMapper, note);
        note = one(userNoteQuestionMapper, note.getId());
        if(note == null){
            throw new SystemException("笔记添加失败");
        }
        return note;
    }

    public UserNoteQuestion edit(UserNoteQuestion note){
        UserNoteQuestion in = one(userNoteQuestionMapper, note.getId());
        if(in == null){
            throw new ParameterException("笔记不存在");
        }
        int result = update(userNoteQuestionMapper, note);
        return note;
    }

    public boolean delete(Number id){
        UserNoteQuestion in = one(userNoteQuestionMapper, id);
        if(in == null){
            throw new ParameterException("笔记不存在");
        }
        int result = delete(userNoteQuestionMapper, id);
        return result > 0;
    }

    public UserNoteQuestion get(Number id){
        UserNoteQuestion in = one(userNoteQuestionMapper, id);

        if(in == null){
            throw new ParameterException("笔记不存在");
        }
        return in;
    }

    public Page<UserNoteQuestion> select(int page, int pageSize){
        return select(userNoteQuestionMapper, page, pageSize);
    }

    public Page<UserNoteQuestion> select(Integer[] ids){
        return page(()->select(userNoteQuestionMapper, ids), 1, ids.length);
    }

    public List<UserNoteQuestion> select(Collection ids){
        return select(userNoteQuestionMapper, ids);
    }

}