<?php

namespace App\Http\Controllers\Callback;

use App\Enums\DeviceStatus;
use App\Http\Controllers\Controller;
use App\Models\Device;
use App\Services\LinkosDeviceLogService;
use Carbon\Carbon;
use Illuminate\Http\Request;
use Illuminate\Support\Arr;
use Illuminate\Support\Facades\DB;

class LinkosController extends Controller
{
    public function __invoke(Request $request)
    {
        $input = $request->input();

        DB::transaction(function () use ($input) {
            if (isset($input['notify_type'])) {
                // 设备上线、离线通知
                if ($input['notify_type'] === 'online_state_change') {
                    $this->handleOnlineStateChangeNotify($input);
                }
            } elseif (Arr::has($input, ['device_id', 'device_unit', 'device_category'])) {
                $type = (int) ($input['type'] ?? 0);

                switch ($type) {
                    case 0:
                        $this->handleDeviceDataNotify($input);
                        break;
                }
            }
        });

        return response()->json(['code' => 0, 'msg' => 'ok']);
    }

    /**
     * 处理设备采集数据
     *
     * @param  array  $data
     * @return void
     */
    protected function handleDeviceDataNotify(array $data)
    {
        if (! is_array($deviceData = $data['data'] ?? [])) {
            $deviceData = [];
        }

        $reportedAt = isset($data['timestamp'])
            ? Carbon::createFromTimestampMs($data['timestamp'])
            : now();

        if (! is_array($deviceData = $data['data'] ?? [])) {
            $deviceData = [];
        }

        (new LinkosDeviceLogService())->create(
            $data['device_id'],
            $data['device_unit'],
            $data['device_category'],
            $deviceData,
            $reportedAt,
        );
    }

    /**
     * 处理设备离线、上线通知
     *
     * @param  array  $data
     * @return void
     */
    protected function handleOnlineStateChangeNotify(array $data)
    {
        $items = $data['data'] ?? [];

        if (! is_array($items)) {
            return;
        }

        foreach ($items as $item) {
            if (! Arr::has($item, ['device_id', 'online_state'])) {
                continue;
            }

            switch ($item['online_state']) {
                case 0:
                    Device::where('sn', $item['device_id'])->update(['status' => DeviceStatus::Offline]);
                    break;

                case 1:
                    Device::where('sn', $item['device_id'])->update(['status' => DeviceStatus::Online]);
                    break;
            }
        }
    }
}