package com.moral.api.service.impl;

import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.moral.api.config.mybatis.wrapper.NullFilterWrapper;
import com.moral.api.entity.SysDictData;
import com.moral.api.entity.UnitConversion;
import com.moral.api.mapper.UnitConversionMapper;
import com.moral.api.pojo.dto.unitConversion.UnitConversionDTO;
import com.moral.api.pojo.dto.unitConversion.UnitConversionQueryDTO;
import com.moral.api.pojo.form.unitConversion.UnitConversionInsertForm;
import com.moral.api.pojo.form.unitConversion.UnitConversionQueryForm;
import com.moral.api.service.SysDictDataService;
import com.moral.api.service.UnitConversionService;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.moral.constant.Constants;
import com.moral.constant.ResponseCodeEnum;
import com.moral.util.ConvertUtils;
import net.bytebuddy.description.method.ParameterList;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.util.ObjectUtils;

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

/**
 * <p>
 * 单位转换表 服务实现类
 * </p>
 *
 * @author moral
 * @since 2021-05-11
 */
@Service
public class UnitConversionServiceImpl extends ServiceImpl<UnitConversionMapper, UnitConversion> implements UnitConversionService {

    @Autowired
    UnitConversionMapper unitConversionMapper;
    @Autowired
    SysDictDataService sysDictDataService;

    @Override
    public UnitConversionDTO insertUnitConversion(UnitConversionInsertForm form) {
        //创建返回对象
        UnitConversionDTO dto  = new UnitConversionDTO();
        //取参
        UnitConversion unitConversion = form.formConvertEntity();
        //判断原单位和目标单位计算公式是否已经存在于数据库
        QueryWrapper existWrapper = new QueryWrapper();
        existWrapper.eq("original_unit_key",unitConversion.getOriginalUnitKey());
        existWrapper.eq("target_unit_key",unitConversion.getTargetUnitKey());
        existWrapper.eq("is_delete",Constants.NOT_DELETE);
        UnitConversion existConversion = unitConversionMapper.selectOne(existWrapper);
        if(!ObjectUtils.isEmpty(existConversion)){
            dto.setCode(ResponseCodeEnum.UNIT_CONVERSION_EXIST.getCode());
            dto.setMsg(ResponseCodeEnum.UNIT_CONVERSION_EXIST.getMsg());
            return dto;
        }
        //插入数据
        unitConversionMapper.insert(unitConversion);
        //封装返回数据
        dto.setCode(ResponseCodeEnum.SUCCESS.getCode());
        dto.setMsg(ResponseCodeEnum.SUCCESS.getMsg());
        return dto;
    }

    @Override
    public UnitConversionQueryDTO queryUnitConversion(UnitConversionQueryForm form) {
        //创建返回对象
        UnitConversionQueryDTO dto = new UnitConversionQueryDTO();
        //取参
        Integer page = form.getPage();
        Integer size = form.getSize();
        String order = form.getOrder();
        String orderType = form.getOrderType();
        Integer isDelete = form.getIsDelete();
        Integer originalUnitKey = form.getOriginalUnitKey();
        Integer targetUnitKey = form.getTargetUnitKey();
        //组装查询条件
        Page<UnitConversion> queryPage = new Page<>(page, size);
        NullFilterWrapper<UnitConversion> wrapper = new NullFilterWrapper<>();
        wrapper.eq("original_unit_key",originalUnitKey);
        wrapper.eq("target_unit_key",targetUnitKey);
        //排序顺序条件构造
        if (!ObjectUtils.isEmpty(order) && !ObjectUtils.isEmpty(orderType)) {
            if (orderType.equals(Constants.ORDER_ASC))
                wrapper.orderByAsc(ConvertUtils.toLine(order));
            else
                wrapper.orderByDesc(ConvertUtils.toLine(order));
        }
        //逻辑删除条件构造
        if (!ObjectUtils.isEmpty(isDelete))
            wrapper.eq("is_delete", isDelete);
        else
            wrapper.eq("is_delete", Constants.NOT_DELETE);
        //查询结果
        Page<UnitConversion> resultPage = unitConversionMapper.selectPage(queryPage, wrapper);
        List<UnitConversion> records = resultPage.getRecords();
        //查询每条数据对应的原单位对象和目标单位对象
        Map<String, SysDictData> dictDatas = sysDictDataService.getDictDatasByType(Constants.SYSTEM_DICT_TYPE_UNIT);
        List<UnitConversionDTO> dtos = new ArrayList<>();
        for (UnitConversion record : records) {
            UnitConversionDTO unitConversionDTO = new UnitConversionDTO();
            SysDictData originalUnit = dictDatas.get(record.getOriginalUnitKey());
            SysDictData targetUnit = dictDatas.get(record.getTargetUnitKey());
            unitConversionDTO.setUnitConversion(record);
            unitConversionDTO.setOriginalUnit(originalUnit);
            unitConversionDTO.setTargetUnit(targetUnit);
            dtos.add(unitConversionDTO);
        }
        //封装返回对象
        dto.setUnitConversionDTOs(dtos);
        dto.setCurrent(resultPage.getCurrent());
        dto.setPages(resultPage.getPages());
        dto.setSize(resultPage.getSize());
        dto.setTotal(resultPage.getTotal());
        dto.setCode(ResponseCodeEnum.SUCCESS.getCode());
        dto.setMsg(ResponseCodeEnum.SUCCESS.getMsg());
        return dto;
    }
}