<?php

namespace humhub\modules\animal_management\notifications;

use humhub\libs\Html;
use humhub\modules\notification\components\BaseNotification;
use humhub\modules\space\models\Space;
use Yii;
use yii\helpers\Json;
use yii\helpers\Url;

class TransferRequestedNotification extends BaseNotification
{
    public $moduleId = 'animal_management';
    public $requireSource = false;
    public $requireOriginator = false;

    public string $animalName = '';
    public string $fromSpaceName = '';
    public string $toSpaceGuid = '';

    public function category()
    {
        return new TransferNotificationCategory();
    }

    public function getUrl()
    {
        $toSpaceGuid = $this->payloadString('toSpaceGuid', $this->toSpaceGuid);
        $space = Space::findOne(['guid' => $toSpaceGuid]);
        if ($space instanceof Space) {
            return $space->createUrl('/animal_management/animals/index') . '#incoming-transfers';
        }

        return Url::to(['/animal_management/animals/index', 'sguid' => $toSpaceGuid]) . '#incoming-transfers';
    }

    public function html()
    {
        $animalName = $this->payloadString('animalName', $this->animalName);

        if ($this->originator) {
            return Yii::t('AnimalManagementModule.base', '{displayName} requested to transfer {animalName}.', [
                'displayName' => Html::tag('strong', Html::encode($this->originator->displayName)),
                'animalName' => Html::tag('strong', Html::encode($animalName)),
            ]);
        }

        return Yii::t('AnimalManagementModule.base', 'A transfer was requested for {animalName}.', [
            'animalName' => Html::tag('strong', Html::encode($animalName)),
        ]);
    }

    public function getMailSubject()
    {
        $animalName = $this->payloadString('animalName', $this->animalName);

        return Yii::t('AnimalManagementModule.base', 'Animal transfer request: {animalName}', [
            'animalName' => $animalName,
        ]);
    }

    public function __serialize(): array
    {
        $data = parent::__serialize();
        $data['animalName'] = $this->animalName;
        $data['fromSpaceName'] = $this->fromSpaceName;
        $data['toSpaceGuid'] = $this->toSpaceGuid;
        $data['payload'] = $this->payload;

        return $data;
    }

    public function __unserialize($unserializedArr)
    {
        parent::__unserialize($unserializedArr);

        $this->animalName = (string)($unserializedArr['animalName'] ?? '');
        $this->fromSpaceName = (string)($unserializedArr['fromSpaceName'] ?? '');
        $this->toSpaceGuid = (string)($unserializedArr['toSpaceGuid'] ?? '');

        if (isset($unserializedArr['payload']) && is_array($unserializedArr['payload'])) {
            $this->payload = $unserializedArr['payload'];
        }
    }

    private function payloadString(string $key, string $fallback = ''): string
    {
        if (is_array($this->payload) && array_key_exists($key, $this->payload)) {
            return trim((string)$this->payload[$key]);
        }

        if ($this->record !== null && !empty($this->record->payload)) {
            try {
                $decoded = Json::decode((string)$this->record->payload);
                if (is_array($decoded)) {
                    $this->payload = $decoded;
                    if (array_key_exists($key, $decoded)) {
                        return trim((string)$decoded[$key]);
                    }
                }
            } catch (\Throwable $e) {
                // Fall back to explicit property values when payload is unavailable.
            }
        }

        return trim($fallback);
    }
}