<?php

namespace App\Models;

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

/**
 * @property int $id
 * @property int $user_id
 * @property int $subject_id
 * @property string $frequency
 * @property array|null $weekdays
 * @property string|null $preferred_time
 * @property bool $is_active
 * @property \Illuminate\Support\Carbon|null $last_sent_at
 * @property \Illuminate\Support\Carbon|null $created_at
 * @property \Illuminate\Support\Carbon|null $updated_at
 * @property-read User $user
 * @property-read Subject $subject
 */
class InsightSchedule extends Model
{
    /** @var array<int, string> */
    protected $fillable = [
        'user_id',
        'subject_id',
        'frequency',
        'weekdays',
        'preferred_time',
        'is_active',
        'last_sent_at',
    ];

    /** @var array<string, string> */
    protected $casts = [
        'weekdays' => 'array',
        'is_active' => 'boolean',
        'last_sent_at' => 'datetime',
        'preferred_time' => 'datetime:H:i',
    ];

    /**
     * Get the user associated with this schedule.
     */
    public function user(): BelongsTo
    {
        return $this->belongsTo(User::class);
    }

    /**
     * Get the subject associated with this schedule.
     */
    public function subject(): BelongsTo
    {
        return $this->belongsTo(Subject::class);
    }
}