<?php

namespace App\Channels;

use App\Enums\Presence;
use App\Models\Delivery;
use App\Models\Event;
use App\Models\User;
use App\Presenters\EventPresenter;
use Illuminate\Support\Facades\Http;
use Throwable;

/** Универсальный webhook. В нашем случае — Home Assistant. */
final class WebhookChannel implements ChannelDriver
{
    public function __construct(private readonly int $presenceTimeout) {}

    public function presence(User $user, array $config): Presence
    {
        try {
            $response = Http::timeout($this->presenceTimeout)->acceptJson()->get($config['presence_url']);
            if (! $response->successful()) {
                return Presence::Unknown;
            }

            return $response->json('present') === true ? Presence::Present : Presence::Absent;
        } catch (Throwable) {
            return Presence::Unknown;
        }
    }

    public function deliver(Event $event, User $user, array $config, Delivery $delivery): DeliveryOutcome
    {
        try {
            $response = Http::timeout(5)->asJson()->post($config['deliver_url'], self::payload($event, $delivery));
            if ($response->successful()) {
                return DeliveryOutcome::ok();
            }

            return DeliveryOutcome::failed("HTTP {$response->status()}: ".mb_substr($response->body(), 0, 200));
        } catch (Throwable $e) {
            return DeliveryOutcome::failed($e->getMessage());
        }
    }

    public function onDone(Event $event, Delivery $delivery): void {}

    /** @return array<string,mixed> */
    public static function payload(Event $event, Delivery $delivery): array
    {
        $presented = EventPresenter::forClient($event);

        return [
            'event' => [
                'id' => $event->id,
                'state' => $presented['state'],
                'due_at' => $presented['due_at'],
                'source' => $event->source->name,
                'title' => $event->payload['title'],
                'subtitle' => $event->payload['subtitle'] ?? null,
                'deep_link' => $event->payload['deep_link'] ?? null,
                'done_label' => $event->payload['done_label'] ?? 'Сделано',
            ],
            'actions' => [
                'ack' => route('action.ack', $delivery->action_token),
                'done' => route('action.done', $delivery->action_token),
            ],
        ];
    }
}