package com.tcm.training.admin.agent.service;
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import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
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import com.baomidou.mybatisplus.core.conditions.update.LambdaUpdateWrapper;
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import com.baomidou.mybatisplus.core.metadata.IPage;
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import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
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import com.tcm.training.admin.agent.dto.ProvincialAgentSaveRequest;
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import com.tcm.training.admin.agent.entity.AgentRegion;
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import com.tcm.training.admin.agent.entity.ProvincialAgent;
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import com.tcm.training.admin.agent.mapper.AgentRegionMapper;
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import com.tcm.training.admin.agent.mapper.ProvincialAgentMapper;
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import com.tcm.training.admin.agent.vo.ProvincialAgentDetailVO;
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import com.tcm.training.admin.agent.vo.ProvincialAgentListItemVO;
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import com.tcm.training.admin.app.register.entity.SysRegion;
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import com.tcm.training.admin.app.register.mapper.SysRegionMapper;
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import com.tcm.training.admin.common.PageResponse;
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import com.tcm.training.admin.live.entity.Clinic;
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import com.tcm.training.admin.live.mapper.ClinicMapper;
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import org.springframework.stereotype.Service;
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import org.springframework.transaction.annotation.Transactional;
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import java.util.ArrayList;
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import java.util.List;
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@Service
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public class ProvincialAgentAppService {
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private final ProvincialAgentMapper agentMapper;
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private final AgentRegionMapper regionMapper;
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private final SysRegionMapper sysRegionMapper;
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private final ClinicMapper clinicMapper;
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public ProvincialAgentAppService(ProvincialAgentMapper agentMapper, AgentRegionMapper regionMapper,
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SysRegionMapper sysRegionMapper, ClinicMapper clinicMapper) {
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this.agentMapper = agentMapper;
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this.regionMapper = regionMapper;
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this.sysRegionMapper = sysRegionMapper;
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this.clinicMapper = clinicMapper;
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}
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public PageResponse<ProvincialAgentListItemVO> page(int page, int pageSize, String agentName, String regionCode) {
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LambdaQueryWrapper<ProvincialAgent> query = new LambdaQueryWrapper<ProvincialAgent>()
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.eq(ProvincialAgent::getDeleted, 0)
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.like(trim(agentName) != null, ProvincialAgent::getAgentName, trim(agentName))
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.orderByDesc(ProvincialAgent::getCreatedAt).orderByDesc(ProvincialAgent::getId);
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if (trim(regionCode) != null) {
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List<Long> ids = new ArrayList<Long>();
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for (AgentRegion region : regionMapper.selectList(new LambdaQueryWrapper<AgentRegion>()
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.eq(AgentRegion::getRegionCode, trim(regionCode))))
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ids.add(region.getAgentId());
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if (ids.isEmpty()) return PageResponse.of(new ArrayList<ProvincialAgentListItemVO>(), 0, page, pageSize);
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query.in(ProvincialAgent::getId, ids);
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}
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IPage<ProvincialAgent> result = agentMapper.selectPage(new Page<ProvincialAgent>(page, pageSize), query);
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List<ProvincialAgentListItemVO> list = new ArrayList<ProvincialAgentListItemVO>();
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for (ProvincialAgent item : result.getRecords()) list.add(toList(item));
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return PageResponse.of(list, result.getTotal(), result.getCurrent(), result.getSize());
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}
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public ProvincialAgentDetailVO detail(Long id) {
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return toDetail(require(id));
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}
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@Transactional
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public ProvincialAgentDetailVO create(ProvincialAgentSaveRequest request) {
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boolean firstAgent = agentMapper.selectCount(new LambdaQueryWrapper<ProvincialAgent>()
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.eq(ProvincialAgent::getDeleted, 0)) == 0;
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ProvincialAgent agent = new ProvincialAgent();
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fill(agent, request);
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agent.setDeleted(0);
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agentMapper.insert(agent);
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saveRegions(agent, request);
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if (firstAgent) {
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clinicMapper.update(null, new LambdaUpdateWrapper<Clinic>().set(Clinic::getAgentId, agent.getId()));
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}
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return detail(agent.getId());
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}
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@Transactional
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public ProvincialAgentDetailVO update(Long id, ProvincialAgentSaveRequest request) {
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ProvincialAgent agent = require(id);
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fill(agent, request);
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agentMapper.updateById(agent);
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regionMapper.delete(new LambdaQueryWrapper<AgentRegion>().eq(AgentRegion::getAgentId, id));
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saveRegions(agent, request);
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return detail(id);
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}
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@Transactional
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public void delete(Long id) {
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require(id);
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agentMapper.deleteById(id);
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}
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private void fill(ProvincialAgent agent, ProvincialAgentSaveRequest request) {
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agent.setAgentName(trim(request.getAgentName()));
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agent.setProvince("");
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agent.setBankName(trim(request.getBankName()));
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agent.setAccountNumber(trim(request.getAccountNumber()));
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agent.setAccountHolder(trim(request.getAccountHolder()));
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agent.setBranchName(trim(request.getBranchName()));
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agent.setContactInfo(trim(request.getContactInfo()));
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agent.setAddress(trim(request.getAddress()));
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}
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private void saveRegions(ProvincialAgent agent, ProvincialAgentSaveRequest request) {
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if (request.getRegions() == null) return;
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for (ProvincialAgentSaveRequest.RegionItem item : request.getRegions()) {
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if (item == null || trim(item.getRegionCode()) == null) continue;
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RegionInfo info = resolveRegion(item.getRegionCode());
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AgentRegion region = new AgentRegion();
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region.setAgentId(agent.getId());
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region.setAgentName(agent.getAgentName());
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region.setRegionCode(trim(item.getRegionCode()));
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region.setRegionName(info.name);
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region.setRegionLevel(info.path.size());
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regionMapper.insert(region);
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}
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}
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private ProvincialAgent require(Long id) {
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ProvincialAgent agent = agentMapper.selectOne(new LambdaQueryWrapper<ProvincialAgent>()
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.eq(ProvincialAgent::getId, id).eq(ProvincialAgent::getDeleted, 0).last("limit 1"));
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if (agent == null) throw new IllegalArgumentException("省代理不存在");
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return agent;
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}
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private ProvincialAgentListItemVO toList(ProvincialAgent agent) {
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ProvincialAgentListItemVO vo = new ProvincialAgentListItemVO();
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vo.setId(agent.getId());
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vo.setAgentName(agent.getAgentName());
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vo.setContactInfo(agent.getContactInfo());
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vo.setAddress(agent.getAddress());
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vo.setCreatedAt(agent.getCreatedAt());
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List<AgentRegion> regions = regions(agent.getId());
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vo.setRegionCount(regions.size());
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List<String> names = new ArrayList<String>();
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for (AgentRegion region : regions) names.add(resolveRegion(region.getRegionCode()).name);
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vo.setRegionNames(names);
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return vo;
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}
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private ProvincialAgentDetailVO toDetail(ProvincialAgent agent) {
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ProvincialAgentDetailVO vo = new ProvincialAgentDetailVO();
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ProvincialAgentListItemVO base = toList(agent);
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vo.setId(base.getId());
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vo.setAgentName(base.getAgentName());
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vo.setContactInfo(base.getContactInfo());
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vo.setAddress(base.getAddress());
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vo.setRegionCount(base.getRegionCount());
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vo.setRegionNames(base.getRegionNames());
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vo.setCreatedAt(base.getCreatedAt());
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vo.setBankName(agent.getBankName());
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vo.setAccountNumber(agent.getAccountNumber());
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vo.setAccountHolder(agent.getAccountHolder());
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vo.setBranchName(agent.getBranchName());
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vo.setUpdatedAt(agent.getUpdatedAt());
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List<ProvincialAgentDetailVO.RegionVO> values = new ArrayList<ProvincialAgentDetailVO.RegionVO>();
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for (AgentRegion region : regions(agent.getId())) {
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RegionInfo info = resolveRegion(region.getRegionCode());
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ProvincialAgentDetailVO.RegionVO value = new ProvincialAgentDetailVO.RegionVO();
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value.setRegionCode(region.getRegionCode());
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value.setRegionName(info.name);
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value.setRegionLevel(info.path.size());
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value.setRegionPath(info.path);
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values.add(value);
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}
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vo.setRegions(values);
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return vo;
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}
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private List<AgentRegion> regions(Long id) {
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return regionMapper.selectList(new LambdaQueryWrapper<AgentRegion>()
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.eq(AgentRegion::getAgentId, id).orderByAsc(AgentRegion::getId));
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}
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private RegionInfo resolveRegion(String code) {
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List<String> path = new ArrayList<String>();
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List<String> names = new ArrayList<String>();
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SysRegion current = sysRegionMapper.selectByCode(code);
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while (current != null) {
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path.add(0, current.getCode());
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names.add(0, current.getName());
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current = current.getParentId() == null || current.getParentId() == 0 ? null : sysRegionMapper.selectById(current.getParentId());
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}
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if (path.isEmpty()) {
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path.add(code);
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names.add(code);
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}
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return new RegionInfo(path, String.join("", names));
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}
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private String trim(String value) {
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if (value == null) return null;
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String trimmed = value.trim();
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return trimmed.isEmpty() ? null : trimmed;
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}
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private static class RegionInfo {
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private final List<String> path;
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private final String name;
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private RegionInfo(List<String> path, String name) {
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this.path = path;
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this.name = name;
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}
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}
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}
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