package com.farriver.bwf.service.question;

import com.farriver.bwf.common.model.ApiData;
import com.farriver.bwf.common.model.ApiPageData;
import com.farriver.bwf.common.options.ActionType;
import com.farriver.bwf.common.options.MapDataType;
import com.farriver.bwf.common.statics.LangConstants;
import com.farriver.bwf.data.master.mapper.QuestionPaperMapper;
import com.farriver.bwf.data.master.model.QuestionPaper;
import com.farriver.bwf.data.master.model.QuestionPaperExample;
import com.farriver.bwf.data.transferobject.queryobject.question.QuestionPaperQueryObject;
import com.farriver.bwf.data.transferobject.viewmodel.question.QuestionPaperViewModel;
import com.farriver.bwf.service.ServiceBase;
import org.jetbrains.annotations.Nullable;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.cache.annotation.CacheConfig;
import org.springframework.cache.annotation.CacheEvict;
import org.springframework.cache.annotation.Cacheable;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;

import jakarta.annotation.Resource;
import java.util.*;

@Service
@CacheConfig(cacheNames = "bwf_QuestionPaper_cache")
public class QuestionPaperService extends ServiceBase {
    private static final Logger logger = LoggerFactory.getLogger(QuestionPaperService.class);

    private String message;

    @Resource
    QuestionPaperMapper mapper;

    public Map<MapDataType, Object> GetList(QuestionPaperQueryObject queryObject) {
        if (queryObject == null) return null;

        QuestionPaperExample example = new QuestionPaperExample();
        QuestionPaperExample.Criteria criteria = example.createCriteria();

        //查询条件
        if (queryObject.getFilter() != null && !queryObject.getFilter().isEmpty()) {
            criteria.andNameLike("%" + queryObject.getFilter() + "%");

            QuestionPaperExample.Criteria criteria2 = example.createCriteria();
            criteria2.andCodeLike("%" + queryObject.getFilter() + "%");
            example.or(criteria2);
        } else {
            if (queryObject.getId() != null && !queryObject.getId().isEmpty()) {
                criteria.andIdEqualTo(queryObject.getId());
            }
            if (queryObject.getCode() != null && !queryObject.getCode().isEmpty()) {
                criteria.andCodeLike("%" + queryObject.getCode() + "%");
            }
            if (queryObject.getName() != null && !queryObject.getName().isEmpty()) {
                criteria.andNameLike("%" + queryObject.getName() + "%");
            }
            if (queryObject.getSubjectid() != null && !queryObject.getSubjectid().isEmpty()) {
                criteria.andSubjectidEqualTo(queryObject.getSubjectid());
            }
            if (queryObject.getSubjectname() != null && !queryObject.getSubjectname().isEmpty()) {
                criteria.andSubjectnameLike("%" + queryObject.getSubjectname() + "%");
            }
            if (queryObject.getCategoryid() != null && !queryObject.getCategoryid().isEmpty()) {
                criteria.andCategoryidEqualTo(queryObject.getCategoryid());
            }
            if (queryObject.getCategoryname() != null && !queryObject.getCategoryname().isEmpty()) {
                criteria.andCategorynameLike("%" + queryObject.getCategoryname() + "%");
            }
            if (queryObject.getId() != null && !queryObject.getId().isEmpty()) {
                criteria.andIdEqualTo(queryObject.getId());
            }
            if (queryObject.getSubjectid() != null && !queryObject.getSubjectid().isEmpty()) {
                criteria.andSubjectidEqualTo(queryObject.getSubjectid());
            }
        }

        //查询总数
        long total = mapper.countByExample(example);

        //分页
        int pageIndex = queryObject.getPageIndex();
        int pageSize = queryObject.getPageSize();
        if (pageIndex > 0 && pageSize > 0) {
            example.setRows(pageSize);
            example.setOffset((pageIndex - 1) * pageSize);
        }

        example.setOrderByClause("createtime desc");

        List<QuestionPaper> list = mapper.selectByExample(example);

        Map<MapDataType, Object> map = new HashMap<>();
        map.put(MapDataType.DATA_LIST, list);
        map.put(MapDataType.TOTAL_COUNT, total);
        map.put(MapDataType.PAGE_INDEX, pageIndex);
        map.put(MapDataType.PAGE_SIZE, pageSize);

        return map;
    }

    public QuestionPaper GetDetail(QuestionPaperQueryObject queryObject) {
        Map<MapDataType, Object> map = GetList(queryObject);
        Object object = map.get(MapDataType.DATA_LIST);

        if (object != null) {
            List<QuestionPaper> list = (List<QuestionPaper>) object;
            if (list != null && list.size() == 1)
                return list.get(0);
        }

        return null;
    }

    @CacheEvict(allEntries = true)
    public ApiData Create(QuestionPaperViewModel model) {
        QuestionPaper entity = Check(ActionType.CREATE, model);

        if (entity != null) {
            return ApiData.ok(LangConstants.MSG_INFO_SUCCESS, mapper.insertSelective(entity));
        } else {
            return ApiData.error(message);
        }
    }

    @CacheEvict(allEntries = true)
    public ApiData Update(QuestionPaperViewModel model) {
        QuestionPaper entity = Check(ActionType.UPDATE, model);

        if (entity != null) {
            return ApiData.ok(LangConstants.MSG_INFO_SUCCESS, mapper.updateByPrimaryKeySelective(entity));
        } else {
            return ApiData.error(message);
        }
    }

    @CacheEvict(allEntries = true)
    public ApiData Delete(String id) {
        return ApiData.ok("", mapper.deleteByPrimaryKey(id));
    }

    @Transactional
    @CacheEvict(allEntries = true)
    public ApiData BatchDelete(QuestionPaperQueryObject queryObject) {
        Map<MapDataType, Object> map = GetList(queryObject);
        Object object = map.get(MapDataType.DATA_LIST);
        int count = 0;
        if (object != null) {
            List<QuestionPaper> list = (List<QuestionPaper>) object;
            if (list != null && list.size() == 1) {
                count += mapper.deleteByPrimaryKey(list.get(0).getId());
            }
        }

        return ApiData.ok("", count);
    }

    @Cacheable
    public QuestionPaperViewModel GetViewDetail(String id) {
        QuestionPaperQueryObject queryObject = new QuestionPaperQueryObject();
        queryObject.setId(id);

        QuestionPaper entity = GetDetail(queryObject);

        return BuildViewModel(entity);
    }

    @Cacheable
    public ApiPageData GetViewPageList(QuestionPaperQueryObject queryObject) {
        Map<MapDataType, Object> map = GetList(queryObject);
        List<QuestionPaper> list = (List<QuestionPaper>) map.get(MapDataType.DATA_LIST);

        List<QuestionPaperViewModel> viewModels = new ArrayList<>();
        for (QuestionPaper entity : list) {
            QuestionPaperViewModel viewModel = BuildViewModel(entity);

            viewModels.add(viewModel);
        }

        ApiPageData bean = ApiPageData.build();
        bean.setData(viewModels);
        bean.setTotal((Long) map.get(MapDataType.TOTAL_COUNT));

        return bean;
    }

    //private methods
    private static QuestionPaperViewModel BuildViewModel(QuestionPaper entity) {
        if (entity == null)
            return null;

        QuestionPaperViewModel model = new QuestionPaperViewModel();

        model.setId(entity.getId());
        model.setIsdeleted(entity.getIsdeleted());
        model.setRemark(entity.getRemark());
        model.setCreatetime(entity.getCreatetime());
        model.setUpdatetime(entity.getUpdatetime());

        model.setStatus(entity.getStatus());
        model.setCode(entity.getCode());
        model.setName(entity.getName());
        model.setSubjectid(entity.getSubjectid());
        model.setSubjectname(entity.getSubjectname());
        model.setSubjectcode(entity.getSubjectcode());
        model.setCategoryid(entity.getCategoryid());
        model.setCategoryname(entity.getCategoryname());
        model.setType(entity.getType());
        model.setPrice(entity.getPrice());
        model.setCoverimage(entity.getCoverimage());

        return model;
    }

    public QuestionPaper Check(ActionType actionType, QuestionPaperViewModel model) {
        message = "";

        if (model == null) {
            message = LangConstants.MSG_ERROR_PARAMETERS;
            return null;
        }

        QuestionPaper entity = null;
        if (ActionType.CREATE == actionType) {
            entity = new QuestionPaper();
            entity.setId(UUID.randomUUID().toString());
            entity.setCreatetime(new Date());
            entity.setIsdeleted(false);

            String oldCode = GetLatestCode();
            String newCode = generateCode(oldCode);
            if (newCode == null)
                return null;

            entity.setCode(newCode);
        } else {
            QuestionPaperQueryObject queryObject = new QuestionPaperQueryObject();
            queryObject.setId(model.getId());

            entity = GetDetail(queryObject);
            entity.setUpdatetime(new Date());
        }

        entity.setStatus(model.getStatus());
        entity.setName(model.getName());
        entity.setSubjectid(model.getSubjectid());
        entity.setSubjectname(model.getSubjectname());
        entity.setSubjectcode(model.getSubjectcode());
        entity.setCategoryid(model.getCategoryid());
        entity.setCategoryname(model.getCategoryname());
        entity.setRemark(model.getRemark());
        entity.setType(model.getType());;
        entity.setPrice(model.getPrice());
        entity.setCoverimage(model.getCoverimage());

        return entity;
    }

    @Nullable
    public String generateCode(String oldCode) {

        String preNo = "P";
        int _newCodeNum = 1;

        try {
            int _oldCodeNum = 0;

            if (oldCode != null && !oldCode.equals("") && oldCode.length() > 2) {
                String _oldNoNumString = oldCode.substring(2);
                _oldCodeNum = Integer.parseInt(_oldNoNumString);
            }

            if (_oldCodeNum != 0) {
                int a = _oldCodeNum + 1;
                _newCodeNum = a;
            }
        } catch (NumberFormatException e) {
            e.printStackTrace();
            message = LangConstants.MSG_ERROR_SYSTEM;
            return null;
        }

        return String.format("%s%07d", preNo, _newCodeNum);
    }

    public String GetLatestCode() {
        String oldCode = "";

        QuestionPaperExample example = new QuestionPaperExample();
        example.setOrderByClause("code desc");
        example.setRows(1);
        example.setOffset(0);
        List<QuestionPaper> list = mapper.selectByExample(example);
        if (list != null && list.size() > 0) {
            QuestionPaper entity2 = list.get(0);
            if (entity2 != null) {
                oldCode = entity2.getCode();
            }
        }

        return oldCode;
    }
}