<?php

namespace App\Livewire\Discovery;

use App\Models\Device;
use App\Models\DiscoveryFinding;
use Livewire\Attributes\Layout;
use Livewire\Attributes\On;
use Livewire\Component;
use PhpMqtt\Client\Facades\MQTT;

#[Layout('layouts.app')]
class Index extends Component
{
    public bool $rescanning = false;

    #[On('echo-private:discovery,.DeviceDiscovered')]
    public function onDiscovered(): void {}

    public function ignore(string $uuid): void
    {
        DiscoveryFinding::where('uuid', $uuid)->update(['status' => 'ignored']);
    }

    public function unignore(string $uuid): void
    {
        DiscoveryFinding::where('uuid', $uuid)->update(['status' => 'new']);
    }

    /** Ask the discovery sidecar to re-query the network for participants. */
    public function rescan(): void
    {
        try {
            MQTT::connection()->publish('homeos/sidecar/rescan', (string) now()->getTimestamp(), 0);
            $this->rescanning = true;
        } catch (\Throwable $e) {
            report($e);
        }
    }

    public function render()
    {
        $findings = DiscoveryFinding::query()->orderByDesc('last_seen_at')->orderByDesc('id')->get();

        // A finding is only "new" if it hasn't already become a device — either linked at assign
        // (device_id) or auto-onboarded by MQTT (matched by topic prefix). This stops a device
        // showing up both under "Neue Geräte" and under Geräte.
        $knownPrefixes = Device::query()->whereNotNull('config->mqtt_prefix')->get()
            ->map(fn ($d) => data_get($d->config, 'mqtt_prefix'))->filter()->values()->all();

        $isAdded = fn (DiscoveryFinding $f) => $f->device_id !== null
            || in_array($f->name ?: $f->identifier, $knownPrefixes, true);

        return view('livewire.discovery.index', [
            'new' => $findings->where('status', 'new')->reject($isAdded)->values(),
            'ignored' => $findings->where('status', 'ignored')->values(),
        ]);
    }
}