<?php

declare(strict_types=1);

namespace App\Models\FormBuilder;

use Illuminate\Database\Eloquent\Concerns\HasUlids;
use Illuminate\Database\Eloquent\Factories\HasFactory;
use Illuminate\Database\Eloquent\Model;
use Illuminate\Database\Eloquent\Relations\BelongsTo;
use Illuminate\Database\Eloquent\Relations\HasMany;
use Illuminate\Database\Eloquent\SoftDeletes;

/**
 * Activity log strategy: log only on create/delete (ARCH §17.1, S1 Phase 4b).
 */
final class FormSchemaSection extends Model
{
    use HasFactory;
    use HasUlids;
    use SoftDeletes;

    protected $fillable = [
        'form_schema_id',
        'slug',
        'name',
        'description',
        'sort_order',
        'submit_independent',
        'depends_on_section_id',
        'required_for_schema_submit',
    ];

    /** @var array<string, string> */
    protected $casts = [
        'submit_independent' => 'bool',
        'required_for_schema_submit' => 'bool',
        'sort_order' => 'int',
    ];

    public function schema(): BelongsTo
    {
        return $this->belongsTo(FormSchema::class, 'form_schema_id');
    }

    public function dependsOnSection(): BelongsTo
    {
        return $this->belongsTo(self::class, 'depends_on_section_id');
    }

    public function fields(): HasMany
    {
        return $this->hasMany(FormField::class);
    }

    public function submissionStatuses(): HasMany
    {
        return $this->hasMany(FormSubmissionSectionStatus::class);
    }
}