<?php

namespace App\Console\Commands;

use App\Exceptions\BizException;
use App\Models\LinkosDeviceLog;
use App\Services\LinkosService;
use Illuminate\Console\Command;
use Illuminate\Support\Carbon;
use Illuminate\Support\Facades\Cache;

class LinkosDeviceLogSyncCommand extends Command
{
    /**
     * The name and signature of the console command.
     *
     * @var string
     */
    protected $signature = 'linkos:device-log-sync {device}';

    /**
     * The console command description.
     *
     * @var string
     */
    protected $description = 'LinkOS 设备流水同步';

    /**
     * @var \App\Services\LinkosService
     */
    protected $linkosService;

    /**
     * Execute the console command.
     *
     * @return int
     */
    public function handle()
    {
        $now = now();

        $device = $this->argument('device');

        // 最近同步时间
        $lastDate = $this->getLastDate($device);

        do {
            if ($lastDate === null) {
                $lastDate = Carbon::parse('2022-06-01');
            } else {
                $lastDate->addDay();
            }

            $start = $lastDate->copy()->startOfDay();

            if ($start->gt($now)) {
                throw new BizException('开始时间大约当前时间');
            }

            $end = $lastDate->copy()->endOfDay();

            if ($end->gt($now)) {
                $end = $now;
            }

            $this->info('----------------------------------');
            $this->info('设备编号: '.$device);
            $this->info('开始时间: '.$start->toDateTimeString());
            $this->info('结束时间: '.$end->toDateTimeString());
            $this->info('开始同步');
            $this->info('...');
            $this->synchronize($device, $start, $end);
            $this->info('Done!');
            $this->info('----------------------------------');

            if ($now->isSameDay($lastDate)) {
                break;
            }

            $this->setLastDate($device, $lastDate);
        } while (true);

        return Command::SUCCESS;
    }

    /**
     * 同步设备历史数据
     *
     * @param  string  $device
     * @param  \Carbon\Carbon  $start
     * @param  \Carbon\Carbon  $end
     * @return void
     */
    protected function synchronize(string $device, Carbon $start, Carbon $end)
    {
        // 分页页码
        $page = 0;
        // 每页条数
        $size = 50;
        // 开始时间戳
        $startTime = $start->unix() * 1000;
        // 结束时间戳
        $endTime = $end->unix() * 1000;

        LinkosDeviceLog::where('device_id', $device)->whereBetween('reported_at', [$start, $end])->delete();

        do {
            $result = retry(5, function () use ($device, $page, $size, $startTime, $endTime) {
                return $this->linkosService()->post('/deviceFlow/v1/list', [
                    'device_id' => $device,
                    'start_time' => $startTime,
                    'end_time' => $endTime,
                    'pageable' => [
                        'page' => $page,
                        'size' => $size,
                    ],
                ]);
            }, 100);

            $data = collect($result['data']['content']);

            $count = $data->count();

            if ($count === 0) {
                break;
            }

            $time = now();

            LinkosDeviceLog::insert(
                $data->map(function ($item) use ($time) {
                    return [
                        'device_id' => $item['device_id'],
                        'device_unit' => $item['device_unit'],
                        'device_category' => $item['device_category'],
                        'data' => ! empty($item['data']) ? json_encode($item['data']) : '{}',
                        'reported_at' => $item['createTime'],
                        'created_at' => $time->toDateTimeString(),
                        'updated_at' => $time->toDateTimeString(),
                    ];
                })->toArray()
            );

            unset($result, $data);

            $page++;
        } while ($count === $size);
    }

    /**
     * @return \App\Services\LinkosService
     */
    protected function linkosService(): LinkosService
    {
        if ($this->linkosService === null) {
            $this->linkosService = app(LinkosService::class);
        }

        return $this->linkosService;
    }

    /**
     * 获取设备最后同步日期
     *
     * @param  string  $device
     * @return \Carbon\Carbon|null
     */
    protected function getLastDate(string $device): ?Carbon
    {
        if (is_null($date = Cache::get($this->generateKey($device)))) {
            return null;
        }

        return Carbon::parse($date);
    }

    /**
     * 设置设备最后同步日期
     *
     * @param  string  $device
     * @param  \Carbon\Carbon  $date
     * @return void
     */
    protected function setLastDate(string $device, Carbon $date): void
    {
        Cache::put($this->generateKey($device), $date->toDateString(), 86400);
    }

    /**
     * @param  string  $device
     * @return string
     */
    protected function generateKey(string $device): string
    {
        return 'linkos_device_log:'.$device.'_last_sync_date';
    }
}