<?php
namespace Modules\Builder\Services;
use InvalidArgumentException;
use Modules\Builder\Contracts\BuilderComponent;
use Modules\Builder\Components\ContentComponent;
use Modules\Builder\Components\HeadingComponent;
use Modules\Builder\Components\HeroComponent;
final class BuilderRegistry
{
    private array $components=[];
    private array $widgets=[];
    private array $fields=[];
    public function registerDefaults(): void
    {
        foreach ([HeroComponent::class, HeadingComponent::class, ContentComponent::class] as $component) $this->registerComponent(new $component());
        foreach (['metric','chart','table','activity','calendar'] as $widget) $this->widgets[$widget]=['type'=>$widget,'label'=>str($widget)->headline()->toString()];
        foreach (['text','textarea','email','number','select','checkbox','date','file'] as $field) $this->fields[$field]=['type'=>$field,'label'=>str($field)->headline()->toString()];
    }
    public function registerComponent(BuilderComponent $component): void { $this->components[$component->type()]=$component; }
    public function component(string $type): BuilderComponent { return $this->components[$type] ?? throw new InvalidArgumentException("Unknown builder component [$type]."); }
    public function components(): array { return array_map(fn(BuilderComponent $c)=>['type'=>$c->type(),'label'=>$c->label(),'category'=>$c->category(),'schema'=>$c->schema(),'defaults'=>$c->defaults()],array_values($this->components)); }
    public function widgets(): array { return array_values($this->widgets); }
    public function fields(): array { return array_values($this->fields); }
}