<?php
namespace App\Services\Admin\YeWu;

use Illuminate\Support\Facades\DB;

class DepartmentService
{
  public function GetList($searchInfo,$page,$pageSize,$userid=null,$group=null)
  {
      $list=DB::table('s_department')->where('is_del',0);

      if(!in_array($group,[1,5]) && $userid){
          $userInfo = DB::table('users')->where(['id'=>$userid])->first();
          if($userInfo){
              $deptIds = [];
              if(!empty($userInfo->department_ids)){
                  $deptIds = explode(",", $userInfo->department_ids);
              } elseif($userInfo->department_id){
                  $deptIds = [$userInfo->department_id];
              }
              if(count($deptIds) > 0){
                  $list = $list->whereIn('id', $deptIds);
              }
          }
      }

      if(isset($searchInfo['status'])){
          $list=  $list->where('department_status',$searchInfo['status']);

      }
      if(!empty($searchInfo['name'])){
          $list=  $list->where('department_name','like','%'.$searchInfo['name'].'%');
      }
      //只显示执行科室（有科室资源的科室）
      if(!empty($searchInfo['only_execute'])){
          $hasResourceDeptIds = DB::table('s_department_resources')
              ->where('is_del', 0)
              ->distinct()
              ->pluck('department_id');
          $list = $list->whereIn('id', $hasResourceDeptIds);
      }
      //只显示一级科室（pid=0的顶级科室）
      if(!empty($searchInfo['only_first_level'])){
          $list = $list->where('pid', 0);
      }
      //只显示参与预约的科室
      if(!empty($searchInfo['appointment_enabled'])){
          $list = $list->where('appointment_enabled', 1);
      }
      $c=$list->count();
      $l=$list ->orderBy('id','desc')->skip(($page-1)*$pageSize)
        ->take($pageSize)->get() ;
      //查询科室下的资源总数和子科室数量
        foreach ($l as $k=>$v){
            $l[$k]->user_list=DB::table('users')->where(['department_id'=>$v->id,'status'=>1])->get();
            $l[$k]->resource_count=DB::table('s_department_resources')->where(['department_id'=>$v->id,'is_del'=>0])->count();
            $l[$k]->children_count=DB::table('s_department')->where(['pid'=>$v->id,'is_del'=>0])->count();
        }
      return \Yz::Return(true, '查询成功', ['list'=>$l,'count'=>$c]);
  }
  public function GetEnableList($arr,$is_all=false)
  {
      $list=DB::table('s_department');
      if(!in_array($arr['group'],[1,5])  and $is_all===false){
          $userInfo = DB::table('users')->where(['id'=>$arr['userid']])->first();
          if($userInfo){
              $deptIds = [];
              if(!empty($userInfo->department_ids)){
                  $deptIds = explode(",", $userInfo->department_ids);
              } elseif($userInfo->department_id){
                  $deptIds = [$userInfo->department_id];
              }
              if(count($deptIds) > 0){
                  $list = $list->whereIn('id', $deptIds);
              }
          }
      }
      $list= $list->where(['is_del'=>0,'department_status'=>1])->get();
      return \Yz::Return(true, '查询成功', ['list'=>$list]);
  }
  // 获取筛选后的可用科室列表（仅显示存在执行诊室的科室）
  public function GetFilteredEnableList($arr, $is_all = false)
  {
      $list = DB::table('s_department');
      if (!in_array($arr['group'], [1, 5]) && $is_all === false) {
          $userInfo = DB::table('users')->where(['id' => $arr['userid']])->first();
          if ($userInfo) {
              $deptIds = [];
              if (!empty($userInfo->department_ids)) {
                  $deptIds = explode(",", $userInfo->department_ids);
              } elseif ($userInfo->department_id) {
                  $deptIds = [$userInfo->department_id];
              }
              if (count($deptIds) > 0) {
                  $list = $list->whereIn('id', $deptIds);
              }
          }
      }
      // 基础过滤：启用、未删除
      $list = $list->where(['is_del' => 0, 'department_status' => 1]);
      // 只显示执行科室（在 s_department_resources 表中有记录的科室）
      $hasResourceDeptIds = DB::table('s_department_resources')
          ->where('is_del', 0)
          ->distinct()
          ->pluck('department_id');
      $list = $list->whereIn('id', $hasResourceDeptIds);
      return \Yz::Return(true, '查询成功', ['list' => $list->get()]);
  }
  public function Save($info)
  {
      if(isset($info['id'])){
          $id=$info['id'];
          unset($info['id']);
       $c=   DB::table('s_department')->where('id',$id)->update($info);
      }else{
            $info['is_del']=0;
          $c= DB::table('s_department')->insert($info);
      }
      if(!$c){
          return \Yz::Return(false, '保存失败', []);
      }else{
        return \Yz::Return(true, '保存成功', []);

      }
  }
  public function Del($id)
  {
      //将子科室的pid置0
      DB::table('s_department')->where('pid',$id)->where('is_del',0)->update(['pid'=>0]);
      $c= DB::table('s_department')->where('id',$id)->update(['is_del'=>1]);
      if(!$c){
          return \Yz::Return(false, '删除失败', []);
      }else{
          return \Yz::Return(true, '删除成功', []);
      }
  }
  //获取科室已关联的子科室ID列表
  public function GetChildren($department_id)
  {
      $ids = DB::table('s_department')
          ->where('pid', $department_id)
          ->where('is_del', 0)
          ->pluck('id');
      return \Yz::Return(true, '查询成功', ['ids' => $ids]);
  }
  //获取可作为诊室的叶子节点科室列表（空闲的叶子节点：pid=0且无子科室）
  public function GetLeafList($department_id)
  {
      $subIds = DB::table('s_department')
          ->where('pid', '>', 0)
          ->where('is_del', 0)
          ->pluck('pid');

      //已关联的子科室IDs（供右侧显示）
      $childrenIds = DB::table('s_department')
          ->where('pid', $department_id)
          ->where('is_del', 0)
          ->pluck('id');

      $list = DB::table('s_department')
          ->where('is_del', 0)
          ->where('id', '!=', $department_id)
          ->where(function($query) use ($subIds, $childrenIds) {
              $query->where(function($q) use ($subIds) {
                  $q->where('pid', 0)->whereNotIn('id', $subIds);
              })->orWhereIn('id', $childrenIds);
          })
          ->select('id', 'department_name')
          ->get();
      return \Yz::Return(true, '查询成功', ['list' => $list]);
  }
  //保存科室关联诊室关系
  public function SaveChildren($department_id, $children_ids)
  {
      //先清空旧关联
      DB::table('s_department')
          ->where('pid', $department_id)
          ->where('is_del', 0)
          ->update(['pid' => 0]);

      //设置新关联
      if (!empty($children_ids)) {
          DB::table('s_department')
              ->whereIn('id', $children_ids)
              ->update(['pid' => $department_id]);
      }
      return \Yz::Return(true, '保存成功', []);
  }
}