<?php

namespace App\Models;

use Illuminate\Database\Eloquent\Model;
use Illuminate\Database\Eloquent\Relations\BelongsTo;

class Doubler extends Model
{
    // Specify that we're not using a single primary key
    protected $primaryKey = null;

    public $incrementing = false;

    protected $guarded = [];

    protected $casts = [
        'entries' => 'array',
    ];

    public function student(): BelongsTo
    {
        return $this->belongsTo(Student::class);
    }

    public function event(): BelongsTo
    {
        return $this->belongsTo(Event::class);
    }

    public function entries()
    {
        return Entry::whereIn('id', $this->entries)->with('student')->with('audition')->get();
    }

    // Find a doubler based on both keys
    public static function findDoubler($studentId, $eventId)
    {
        return static::where('student_id', $studentId)
            ->where('event_id', $eventId)
            ->first();
    }
}