<?php

declare(strict_types=1);

namespace App\Models;

use App\Enums\FieldDisplayWidth;
use App\Enums\RegistrationFieldType;
use App\Models\Scopes\OrganisationScope;
use Illuminate\Database\Eloquent\Builder;
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;

final class RegistrationFormField extends Model
{
    use HasFactory;
    use HasUlids;

    /** @var string Used by OrganisationScope to determine filtering strategy */
    public string $organisationScopeColumn = 'event_id';

    protected static function booted(): void
    {
        static::addGlobalScope(new OrganisationScope());
    }

    protected $fillable = [
        'event_id',
        'label',
        'slug',
        'field_type',
        'options',
        'tag_category',
        'is_required',
        'is_portal_visible',
        'is_admin_only',
        'is_filterable',
        'section',
        'help_text',
        'sort_order',
        'display_width',
    ];

    protected function casts(): array
    {
        return [
            'field_type' => RegistrationFieldType::class,
            'options' => 'array',
            'is_required' => 'boolean',
            'is_portal_visible' => 'boolean',
            'is_admin_only' => 'boolean',
            'is_filterable' => 'boolean',
            'sort_order' => 'integer',
            'display_width' => FieldDisplayWidth::class,
        ];
    }

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

    public function personFieldValues(): HasMany
    {
        return $this->hasMany(PersonFieldValue::class, 'registration_form_field_id');
    }

    /** @return array<int, array{label: string, description: string|null}>|null */
    public function getNormalizedOptionsAttribute(): ?array
    {
        if ($this->options === null) {
            return null;
        }

        return collect($this->options)->map(function (mixed $option): array {
            if (is_string($option)) {
                return ['label' => $option, 'description' => null];
            }

            return [
                'label' => $option['label'] ?? (string) $option,
                'description' => $option['description'] ?? null,
            ];
        })->toArray();
    }

    public function isMultiValue(): bool
    {
        return $this->field_type->isMultiValue();
    }

    public function scopeOrdered(Builder $query): Builder
    {
        return $query->orderBy('sort_order');
    }

    public function scopePortalVisible(Builder $query): Builder
    {
        return $query->where('is_portal_visible', true)->where('is_admin_only', false);
    }
}