<?php

namespace App;

use Illuminate\Database\Eloquent\Model;

/**
 * Represents a feedback provided by a user about an evidence : true detection
 * or false alarm.
 */
class Feedback extends Model
{
    /**
     * The storage format of the model's date columns.
     *
     * @var string
     */
    protected $dateFormat = 'U';

    public function user()
    {
        return $this->belongsTo(\App\User::class);
    }

    public function timeForHumans() : string
    {
        return $this->created_at->toISOString();
    }

    public function badge() : string
    {
        if ($this->is_true_alert) {
            return '<span class="badge badge-warning">True detection</span>';
        } else {
            return '<span class="badge badge-success">False alert</span>';
        }
    }

    private $report = null;

    public function report() : \Cylab\Mark\Evidence
    {
        if ($this->report != null) {
            return $this->report;
        }

        try {
            $this->report = Mark::get()->findEvidenceById($this->report_id);
        } catch (\JsonRPC\Exception\ServerErrorException $ex) {
            // may happen if the saved id is invalid (old data)
            // should be replace by a static call Evidence::getNullReport()
            $this->report = new \Cylab\Mark\Evidence([
                "id" => "?",
                "label" => "?",
                "time" => 0,
                "subject" => [],
                "score" => 0,
                "report" => "",
                "references" => [],
                "requests" => [],
                "profile" => ["label" => ""]]);
        }

        return $this->report;
    }

    public static function findByReportId(string $id)
    {
        return self::where("report_id", $id)->first();
    }
}