<?php

namespace App\Services;

use App\Models\Device;
use App\Support\Shelly\ShellyRpc;

/**
 * Polls a local (HTTP) Shelly's status and applies it through the shared applier. This is how
 * local-API devices get their state — no MQTT, no device-side config, just its IP (like HA).
 */
class ShellyPoller
{
    public function __construct(
        private readonly ShellyRpc $rpc,
        private readonly ShellyStatusApplier $applier,
    ) {}

    public function poll(Device $device): bool
    {
        $ip = data_get($device->config, 'ip');
        if (blank($ip)) {
            return false;
        }

        try {
            $status = $this->rpc->status($ip);
        } catch (\Throwable) {
            // Unreachable — normal for a powered-off device. Don't advance last_seen (it falls
            // offline after the timeout) and don't spam the log on every poll.
            return false;
        }

        $observedAt = (int) round(microtime(true) * 1_000_000);
        $device->forceFill(['last_seen_at' => now()])->save();
        $this->applier->applyStatus($device, $status, $observedAt);

        return true;
    }
}