<?php

namespace App\Livewire;

use App\Livewire\Concerns\TogglesEntities;
use App\Models\Room;
use App\Services\HomeStatus;
use Livewire\Attributes\Layout;
use Livewire\Attributes\On;
use Livewire\Component;

#[Layout('layouts.app')]
class Dashboard extends Component
{
    use TogglesEntities;

    /** Live update: any device state change re-renders (re-queries) the dashboard. */
    #[On('echo-private:home,.DeviceStateChanged')]
    public function onDeviceStateChanged(): void
    {
        // no-op — the listener firing triggers a Livewire re-render with fresh data.
    }

    public function render(HomeStatus $home)
    {
        $devices = $home->devices();

        // Group by room in room order; room-less devices go into a trailing "no room" group
        // so they never disappear from the overview.
        $groups = [];
        foreach (Room::orderBy('sort')->orderBy('name')->get() as $room) {
            $roomDevices = $devices->where('room_id', $room->id)->values();
            if ($roomDevices->isNotEmpty()) {
                $groups[] = ['name' => $room->name, 'devices' => $roomDevices];
            }
        }
        $unassigned = $devices->whereNull('room_id')->values();
        if ($unassigned->isNotEmpty()) {
            $groups[] = ['name' => __('dashboard.no_room'), 'devices' => $unassigned];
        }

        return view('livewire.dashboard', [
            'groups' => $groups,
            'summary' => $home->summary($devices),
            'warningCount' => count($home->warnings($devices)),
        ]);
    }
}