<?php

namespace App\Livewire\Modals;

use App\Models\Person;
use App\Services\UnifiClient;
use Illuminate\Support\Facades\Storage;
use Illuminate\Validation\Rule;
use Livewire\Features\SupportFileUploads\WithFileUploads;
use LivewireUI\Modal\ModalComponent;

/** Add or edit a person — name, the device (UniFi client MAC) that marks presence, and an avatar. */
class ManagePerson extends ModalComponent
{
    use WithFileUploads;

    public ?string $personUuid = null;

    public bool $editing = false;

    public string $name = '';

    public string $mac = '';

    public $avatar = null;

    public ?string $currentAvatarUrl = null;

    /** @var array<int, array{mac:string,label:string}> */
    public array $clientOptions = [];

    public bool $unifiError = false;

    public static function modalMaxWidth(): string
    {
        return 'lg';
    }

    public function mount(UnifiClient $unifi, ?string $person = null): void
    {
        try {
            $this->clientOptions = collect($unifi->clients())
                ->map(fn ($c) => ['mac' => strtolower($c->mac ?? ''), 'label' => $c->name ?? $c->hostname ?? ($c->mac ?? '?')])
                ->filter(fn ($o) => $o['mac'] !== '')
                ->sortBy('label', SORT_NATURAL | SORT_FLAG_CASE)
                ->values()->all();
        } catch (\Throwable) {
            $this->unifiError = true;
        }

        if ($person !== null) {
            $model = Person::where('uuid', $person)->firstOrFail();
            $this->editing = true;
            $this->personUuid = $model->uuid;
            $this->name = $model->name;
            $this->mac = $model->mac ?? '';
            $this->currentAvatarUrl = $model->avatarUrl();
        }
    }

    /** Validate the picture as soon as it's chosen, so a non-image shows a friendly error. */
    public function updatedAvatar(): void
    {
        $this->validateOnly('avatar', ['avatar' => ['nullable', 'image', 'max:4096']]);
    }

    public function save()
    {
        $this->validate([
            'name' => 'required|string|max:100',
            'mac' => ['nullable', 'string', 'max:32', Rule::unique('persons', 'mac')->ignore($this->personUuid, 'uuid')],
            'avatar' => ['nullable', 'image', 'max:4096'],
        ]);

        $person = $this->editing
            ? Person::where('uuid', $this->personUuid)->firstOrFail()
            : new Person(['presence' => 'unknown']);

        $person->name = $this->name;
        $person->mac = $this->mac ?: null;

        if ($this->avatar !== null) {
            if ($person->avatar_path) {
                Storage::disk('public')->delete($person->avatar_path);
            }
            $person->avatar_path = $this->avatar->store('avatars', 'public');
        }

        $person->save();

        $this->closeModal();

        return redirect()->route('persons.index');
    }

    public function render()
    {
        return view('livewire.modals.manage-person');
    }
}