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

use Illuminate\Support\Facades\DB;

class DevicesService
{
    public function GetList($searchInfo,$page,$pageSize){
        $where=['is_del'=>0];
        $list=DB::table('s_devices');
        if(!empty($searchInfo['name'])){
            $where[]=['device_name','like','%'.$searchInfo['name'].'%'];
        }
        $count= $list->where($where)->count();
        $list= $list->where($where)->skip(($page-1)*$pageSize)
        ->take($pageSize)->get();
        return \Yz::Return(true, '查询成功', ['list'=>$list,'count'=>$count]);
    }
    //获取启用的设备列表
    public function GetEnableList($hisExecDepts = null){
        $list=DB::table('s_devices')->where(['is_del'=>0,'status'=>1]);

        if (!empty($hisExecDepts)) {
            $deptCodes = json_decode($hisExecDepts, true);
            if (!empty($deptCodes) && is_array($deptCodes)) {
                //找到对应科室
                $deptIds = DB::table('s_department')
                    ->whereIn('department_number', $deptCodes)
                    ->where('is_del', 0)
                    ->pluck('id')
                    ->toArray();

                //找到这些科室的父级科室IDs
                $parentIds = DB::table('s_department')
                    ->whereIn('id', function($q) use ($deptIds) {
                        $q->select('pid')->from('s_department')
                          ->whereIn('id', $deptIds)
                          ->where('pid', '>', 0);
                    })
                    ->where('is_del', 0)
                    ->pluck('id')
                    ->toArray();

                $allDeptIds = array_merge($deptIds, $parentIds);

                //找到这些科室下的设备
                $deviceIds = DB::table('s_department_resources_device')
                    ->whereIn('department_id', $allDeptIds)
                    ->pluck('device_id')
                    ->toArray();

                $list->whereIn('id', $deviceIds);
            }
        }

        return \Yz::Return(true, '查询成功', $list->get());
    }
    public function Save($data,$userid){
        if(empty($data['id'])){
            $data['adduser']=$userid;
            $data['is_del']=0;
            $id=DB::table('s_devices')->insertGetId($data);
            if($id){
                return \Yz::Return(true, '添加成功', $id);
            }else{
                return \Yz::Return(false, '添加失败');
            }
        }else{
            $res=DB::table('s_devices')->where('id',$data['id'])->update($data);
            if($res){
                return \Yz::Return(true, '修改成功');
            }else{
                return \Yz::Return(false, '修改失败');
            }
        }
    }
    public function Del($id){
        $res=DB::table('s_devices')->where('id',$id)->update(['is_del'=>1]);
        if($res){
            return \Yz::Return(true, '删除成功');
        }else{
            return \Yz::Return(false, '删除失败');
        }
    }

    // 获取当前用户科室下的设备列表
    public function GetDeptList($userid)
    {
        $user = DB::table('users')->where('id', $userid)->first();
        if (!$user || !$user->department_id) {
            return \Yz::Return(true, '查询成功', []);
        }
        $list = DB::table('s_devices')
            ->join('s_department_resources_device', 's_devices.id', '=', 's_department_resources_device.device_id')
            ->where('s_department_resources_device.department_id', $user->department_id)
            ->where('s_devices.is_del', 0)
            ->where('s_devices.status', 1)
            ->select('s_devices.*',
                DB::raw('(SELECT COUNT(*) FROM s_check_item_device WHERE device_id = s_devices.id) AS bind_count'))
            ->distinct()
            ->orderBy('s_devices.id')
            ->get();
        return \Yz::Return(true, '查询成功', $list);
    }

    // 获取设备已绑定的检查项目
    public function GetBindItems($device_id)
    {
        $list = DB::table('s_check_item_device')
            ->join('s_check_item', 's_check_item_device.item_id', '=', 's_check_item.id')
            ->leftJoin('s_check_item_class', 's_check_item.item_class_id', '=', 's_check_item_class.id')
            ->where('s_check_item_device.device_id', $device_id)
            ->where('s_check_item.is_del', 0)
            ->select('s_check_item.id', 's_check_item.item_code', 's_check_item.item_name',
                's_check_item_class.item_class_name')
            ->orderBy('s_check_item.id')
            ->get();
        return \Yz::Return(true, '查询成功', $list);
    }

    // 绑定检查项目到设备
    public function BindItem($item_id, $device_id)
    {
        // 检查是否已存在
        $exists = DB::table('s_check_item_device')
            ->where('item_id', $item_id)
            ->where('device_id', $device_id)
            ->first();
        if ($exists) {
            return \Yz::Return(false, '该绑定关系已存在');
        }
        $id = DB::table('s_check_item_device')->insertGetId([
            'item_id' => $item_id,
            'device_id' => $device_id,
        ]);
        if ($id) {
            return \Yz::Return(true, '绑定成功');
        } else {
            return \Yz::Return(false, '绑定失败');
        }
    }

    // 解除绑定
    public function UnbindItem($item_id, $device_id)
    {
        $deleted = DB::table('s_check_item_device')
            ->where('item_id', $item_id)
            ->where('device_id', $device_id)
            ->delete();
        if ($deleted) {
            return \Yz::Return(true, '解绑成功');
        } else {
            return \Yz::Return(false, '解绑失败');
        }
    }

    // 获取未绑定的检查项目（分页，排除已绑定的）
    public function GetUnboundItems($device_id, $keyword, $page, $pageSize)
    {
        $list = DB::table('s_check_item')
            ->leftJoin('s_check_item_class', 's_check_item.item_class_id', '=', 's_check_item_class.id')
            ->where('s_check_item.is_del', 0)
            ->where('s_check_item.status', 1)
            ->whereNotNull('s_check_item.sheetType')
            ->where('s_check_item.sheetType', '!=', '')
            ->whereNotExists(function ($query) use ($device_id) {
                $query->select(DB::raw(1))
                    ->from('s_check_item_device')
                    ->whereColumn('s_check_item_device.item_id', 's_check_item.id')
                    ->where('s_check_item_device.device_id', $device_id);
            });

        //根据设备关联科室过滤 hisExecDepts
        $deptNumbers = DB::table('s_department_resources_device')
            ->join('s_department', 's_department_resources_device.department_id', '=', 's_department.id')
            ->where('s_department_resources_device.device_id', $device_id)
            ->where('s_department.is_del', 0)
            ->pluck('s_department.department_number')
            ->toArray();

        $list->whereNotNull('hisExecDepts')->where('hisExecDepts', '!=', '');
        if (!empty($deptNumbers)) {
            $list->where(function($q) use ($deptNumbers) {
                foreach ($deptNumbers as $num) {
                    $q->orWhere('hisExecDepts', 'like', '%"' . $num . '"%');
                }
            });
        } else {
            $list->whereRaw('1 = 0');
        }

        if (!empty($keyword)) {
            $list->where(function ($q) use ($keyword) {
                $q->where('s_check_item.item_name', 'like', '%' . $keyword . '%')
                  ->orWhere('s_check_item.item_code', 'like', '%' . $keyword . '%');
            });
        }

        $count = $list->count();
        $items = $list->select('s_check_item.id', 's_check_item.item_code', 's_check_item.item_name',
                's_check_item_class.item_class_name')
            ->orderBy('s_check_item.id')
            ->skip(($page - 1) * $pageSize)
            ->take($pageSize)
            ->get();

        return \Yz::Return(true, '查询成功', ['list' => $items, 'count' => $count]);
    }
}