<?php

namespace humhub\modules\animal_management\models;

use humhub\components\ActiveRecord;
use humhub\modules\user\models\User;
use Yii;
use yii\helpers\Json;

class AnimalTransferEvent extends ActiveRecord
{
    public const EVENT_REQUESTED = 'requested';
    public const EVENT_ACCEPTED = 'accepted';
    public const EVENT_DECLINED = 'declined';
    public const EVENT_COMPLETED = 'completed';
    public const EVENT_CANCELLED = 'cancelled';

    public static function tableName()
    {
        return 'rescue_animal_transfer_event';
    }

    public function rules()
    {
        return [
            [['transfer_id', 'animal_id', 'event_type'], 'required'],
            [['transfer_id', 'animal_id', 'created_by'], 'integer'],
            [['message', 'metadata_json'], 'string'],
            [['event_type', 'from_status', 'to_status'], 'string', 'max' => 32],
            [['event_type'], 'in', 'range' => [
                self::EVENT_REQUESTED,
                self::EVENT_ACCEPTED,
                self::EVENT_DECLINED,
                self::EVENT_COMPLETED,
                self::EVENT_CANCELLED,
            ]],
        ];
    }

    public function beforeSave($insert)
    {
        if (!$insert) {
            return false;
        }

        if (!parent::beforeSave($insert)) {
            return false;
        }

        if (empty($this->created_at)) {
            $this->created_at = date('Y-m-d H:i:s');
        }

        return true;
    }

    public static function log(
        AnimalTransfer $transfer,
        string $eventType,
        ?string $fromStatus,
        ?string $toStatus,
        string $message = '',
        array $metadata = []
    ): bool {
        $event = new self();
        $event->transfer_id = (int)$transfer->id;
        $event->animal_id = (int)$transfer->animal_id;
        $event->event_type = $eventType;
        $event->from_status = $fromStatus;
        $event->to_status = $toStatus;
        $event->message = $message;
        $event->metadata_json = empty($metadata) ? null : Json::encode($metadata);
        $event->created_by = Yii::$app->user->isGuest ? null : (int)Yii::$app->user->id;

        return $event->save(false);
    }

    public function getCreatedByUser()
    {
        return $this->hasOne(User::class, ['id' => 'created_by']);
    }
}