package com.ruoyi.sange.controller;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.ruoyi.common.core.domain.R;
import com.ruoyi.sange.domain.Department;
import com.ruoyi.sange.domain.SystemUser;
import com.ruoyi.sange.service.IDepartmentService;
import com.ruoyi.sange.service.ISystemUserService;
import io.swagger.annotations.ApiOperation;
import org.springframework.web.bind.annotation.*;

import javax.annotation.Resource;
import java.util.List;
import java.util.stream.Collectors;

/**
 * @author zhibing.pu
 * @Date 2025/2/19 17:44
 */
@RestController
@RequestMapping("/api/department")
public class DepartmentController {
	
	@Resource
	private IDepartmentService departmentService;
	
	@Resource
	private ISystemUserService systemUserService;
	
	
	@GetMapping("/list")
	@ApiOperation(value = "获取单位列表", tags = {"管理后台-用户管理"})
	public R<List<Department>> list(){
		List<Department> list = departmentService.list();
		List<Department> departmentList1 = list.stream().filter(s -> s.getPid() == 0).collect(Collectors.toList());
		for (Department department : departmentList1) {
			List<Department> departmentList2 = list.stream().filter(s -> s.getPid().equals(department.getId())).collect(Collectors.toList());
			for (Department department1 : departmentList2) {
				List<Department> departmentList3 = list.stream().filter(s -> s.getPid().equals(department1.getId())).collect(Collectors.toList());
				for (Department department2 : departmentList3) {
					List<Department> departmentList4 = list.stream().filter(s -> s.getPid().equals(department2.getId())).collect(Collectors.toList());
					department2.setChild(departmentList4);
				}
				department1.setChild(departmentList3);
			}
			department.setChild(departmentList2);
		}
		return R.ok(departmentList1);
	}
	
	
	
	@PostMapping("/add")
	@ApiOperation(value = "添加单位信息", tags = {"管理后台-用户管理"})
	public R add(@RequestBody Department department){
		if(null == department.getPid()){
			department.setPid(0);
		}
		int count = departmentService.count(new LambdaQueryWrapper<Department>().eq(Department::getPid, department.getPid()).eq(Department::getName, department.getName()));
		if(0 < count){
			return R.fail("单位名称重复。");
		}
		Department department1 = departmentService.getById(department.getPid());
		if(null != department1 && 4 == department1.getTier()){
			return R.fail("层级超过4级，保存失败。");
		}
		department.setTier(null == department1 ? 1 : department1.getTier() + 1);
		departmentService.save(department);
		return R.ok();
	}
	
	
	@PutMapping("/edit")
	@ApiOperation(value = "编辑单位信息", tags = {"管理后台-用户管理"})
	public R edit(@RequestBody Department department){
		if(null == department.getPid()){
			department.setPid(0);
		}
		int count = departmentService.count(new LambdaQueryWrapper<Department>().eq(Department::getPid, department.getPid())
				.eq(Department::getName, department.getName()).ne(Department::getId, department.getId()));
		if(0 < count){
			return R.fail("单位名称重复。");
		}
		Department department1 = departmentService.getById(department.getPid());
		if(null != department1 && 4 == department1.getTier()){
			return R.fail("层级超过4级，保存失败。");
		}
		department.setTier(null == department1 ? 1 : department1.getTier() + 1);
		departmentService.updateById(department);
		return R.ok();
	}
	
	
	
	@DeleteMapping("/delete/{id}")
	@ApiOperation(value = "删除单位信息", tags = {"管理后台-用户管理"})
	public R delete(@PathVariable("id") Integer id){
		int count = systemUserService.count(new LambdaQueryWrapper<SystemUser>().eq(SystemUser::getOneDepartmentId, id).or().eq(SystemUser::getTwoDepartmentId, id)
				.or().eq(SystemUser::getThreeDepartmentId, id).or().eq(SystemUser::getFourDepartmentId, id).ne(SystemUser::getStatus, 3));
		if(0 < count){
			return R.fail("该单位已被使用，删除失败。");
		}
		departmentService.removeById(id);
		return R.ok();
	}
	
}