package cn.besteam.modules.medical.service.impl;

import cn.besteam.common.constant.CommonConstant;
import cn.besteam.common.util.UserContextUtil;
import cn.besteam.modules.medical.dto.MwMaterialCategoryQueryDTO;
import cn.besteam.modules.medical.entity.MwMaterialCategory;
import cn.besteam.modules.medical.mapper.MwMaterialCategoryMapper;
import cn.besteam.modules.medical.service.IMwMaterialCategoryService;
import cn.besteam.modules.shiro.authc.util.EnvUtils;
import cn.besteam.modules.system.entity.SysDepartment;
import cn.besteam.modules.system.service.ISysDepartmentService;
import cn.besteam.modules.system.util.MybatisParameterUtils;
import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.baomidou.mybatisplus.core.metadata.IPage;
import com.baomidou.mybatisplus.core.toolkit.CollectionUtils;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import java.util.List;

/**
 * @Description: 资料分类服务实现
 * @author: besteam
 * @date: 2025-08-17
 */
@Service
public class MwMaterialCategoryServiceImpl extends ServiceImpl<MwMaterialCategoryMapper, MwMaterialCategory> implements IMwMaterialCategoryService {

    @Autowired
    private ISysDepartmentService sysDepartmentService;

    @Override
    public IPage<MwMaterialCategory> selectPageList(Page<MwMaterialCategory> page, MwMaterialCategoryQueryDTO queryDTO) {
        List<Integer> hospitalIdList = sysDepartmentService.getSearchHospitalIdList(queryDTO.getHospitalId());
        if (CollectionUtils.isEmpty(hospitalIdList)) {
            return page;
        }
        LambdaQueryWrapper<MwMaterialCategory> queryWrapper = new LambdaQueryWrapper<>();
        try {
            MybatisParameterUtils.cutInParameter(queryWrapper, MwMaterialCategory::getHospitalId, hospitalIdList);
        } catch (Exception e) {
            throw new RuntimeException(e);
        }
        queryWrapper.eq(MwMaterialCategory::getDelFlag, CommonConstant.DEL_FLAG_0);

        if (queryDTO.getCategoryName() != null && !queryDTO.getCategoryName().isEmpty()) {
            queryWrapper.like(MwMaterialCategory::getCategoryName, queryDTO.getCategoryName());
        }
        if (queryDTO.getCategoryCode() != null && !queryDTO.getCategoryCode().isEmpty()) {
            queryWrapper.like(MwMaterialCategory::getCategoryCode, queryDTO.getCategoryCode());
        }
        if (queryDTO.getStatus() != null) {
            queryWrapper.eq(MwMaterialCategory::getStatus, queryDTO.getStatus());
        }
        
        queryWrapper.orderByDesc(MwMaterialCategory::getCreateTime);
        
        IPage<MwMaterialCategory> pageList = this.page(page, queryWrapper);
        
        // 填充医院名称
        for (MwMaterialCategory category : pageList.getRecords()) {
            fillHospitalName(category);
        }
        
        return pageList;
    }

    @Override
    public MwMaterialCategory selectById(Integer id) {
        MwMaterialCategory category = this.getById(id);
        if (category != null && category.getDelFlag() == CommonConstant.DEL_FLAG_0) {
            fillHospitalName(category);
            return category;
        }
        return null;
    }

    @Override
    public boolean saveMaterialCategory(MwMaterialCategory materialCategory) {
        // 设置医院名称
        if (materialCategory.getHospitalId() != null) {
            SysDepartment hospital = sysDepartmentService.getById(materialCategory.getHospitalId());
            if (hospital != null) {
                materialCategory.setHospitalName(hospital.getDepartName());
            }
        }
        
        // 设置默认状态为启用
        if (materialCategory.getStatus() == null) {
            materialCategory.setStatus(1);
        }
        String name = EnvUtils.getUser().getName();
        materialCategory.setCreateBy(name);
        return this.save(materialCategory);
    }

    @Override
    public boolean updateMaterialCategory(MwMaterialCategory materialCategory) {
        MwMaterialCategory existingCategory = this.getById(materialCategory.getId());
        if (existingCategory == null) {
            return false;
        }
        
        // 如果医院ID发生变化，更新医院名称
        if (materialCategory.getHospitalId() != null && !materialCategory.getHospitalId().equals(existingCategory.getHospitalId())) {
            SysDepartment hospital = sysDepartmentService.getById(materialCategory.getHospitalId());
            if (hospital != null) {
                materialCategory.setHospitalName(hospital.getDepartName());
            }
        }
        String name = EnvUtils.getUser().getName();
        materialCategory.setUpdateBy(name);
        return this.updateById(materialCategory);
    }

    @Override
    public boolean deleteMaterialCategory(Integer id) {
        MwMaterialCategory category = this.getById(id);
        if (category != null) {
            category.setDelFlag(CommonConstant.DEL_FLAG_1);
            return this.updateById(category);
        }
        return false;
    }

    /**
     * 填充医院名称
     * @param category 资料分类信息
     */
    private void fillHospitalName(MwMaterialCategory category) {
        if (category.getHospitalId() != null && category.getHospitalName() == null) {
            SysDepartment hospital = sysDepartmentService.getById(category.getHospitalId());
            if (hospital != null) {
                category.setHospitalName(hospital.getDepartName());
            }
        }
    }
}