<?php

namespace App\Http\Controllers\Api;

use App\Http\Controllers\Controller;
use Illuminate\Http\Request;
use App\Models\{Device, MonitorDevice, RegionMonitor};
use DB;

class DeviceController extends Controller
{
    /**
     * 获取设备监控的类别列表；
     */
    public function getMonitorMode(){

    }

    public function getMonitorData(Request $request){
        $baseId = $request->input('base_id');
        $deviceType = $request->input('device_type');
        $deviceColumn = $request->input('device_column'); //指定字段
    }
    /**
     * 统计某个实验田下所有设备状态数量
     */
    public function typeStateNum(Request $request)
    {
        $regionId = $request->input('region_id', 0);

        $query = Device::query();

        if($regionId){
            $monitorIds = RegionMonitor::where('region_id', $regionId)->pluck('id')->toArray();

            if(count($monitorIds) > 0){
                $deviceIds = MonitorDevice::whereIn('monitor_id', $monitorIds)->pluck('id')->toArray();
                $query->whereIn('id', $deviceIds);
            }
        }

        $query->groupBy('type')->groupBy('state');

        $list = $query->select(DB::raw('type, state, count(1) as num '))->get();
        $resData = [];
        foreach ($list as $item) {
            $resData[$item->type][$item->state] = $item->num;
        }

        //初始化数据；
        $data = [];
        foreach (Device::typeMap() as $typeKey => $typeName) {
            foreach (Device::stateMap() as $statusKey => $statusName) {
                $data[$typeKey][$statusKey] = $resData[$typeKey][$statusKey] ?? 0;
            }
        }

        return $this->json($data);
    }
}