<?php

declare(strict_types=1);

namespace App\Application\Admin\ValueObjects;

use App\Framework\Icon\Icon;

final readonly class NavigationSection
{
    /** @param array<NavigationItem> $items */
    public function __construct(
        public string $name,
        public array $items,
        public Icon|string|null $icon = null
    ) {
    }

    /**
     * Get icon as Icon object
     */
    public function getIcon(): ?Icon
    {
        if ($this->icon === null) {
            return null;
        }

        if ($this->icon instanceof Icon) {
            return $this->icon;
        }

        return Icon::fromString($this->icon);
    }

    public static function fromArray(array $data): self
    {
        $items = [];
        $itemsData = $data['items'] ?? [];
        
        foreach ($itemsData as $key => $itemData) {
            // Handle legacy format: ['Item Name' => '/url']
            if (is_string($itemData)) {
                $items[] = NavigationItem::fromArray([
                    'name' => is_string($key) ? $key : 'Item',
                    'url' => $itemData,
                ]);
            } elseif (is_array($itemData)) {
                // Handle modern format: [['name' => 'Item Name', 'url' => '/url']]
                $items[] = NavigationItem::fromArray($itemData);
            }
            // Skip invalid formats
        }

        return new self(
            name: $data['section'] ?? $data['name'] ?? '',
            items: $items,
            icon: $data['icon'] ?? null // Can be string or Icon
        );
    }

    public function toArray(): array
    {
        $icon = $this->getIcon();

        return [
            'section' => $this->name,
            'name' => $this->name,
            'items' => array_map(
                fn (NavigationItem $item) => $item->toArray(),
                $this->items
            ),
            'icon' => $this->icon instanceof Icon ? $this->icon->toString() : $this->icon,
            'icon_html' => $icon?->toHtml('admin-nav__section-icon') ?? '',
        ];
    }

    public function addItem(NavigationItem $item): self
    {
        return new self(
            name: $this->name,
            items: [...$this->items, $item],
            icon: $this->icon
        );
    }

    public function hasActiveItem(string $currentPath): bool
    {
        foreach ($this->items as $item) {
            if ($item->isActive($currentPath)) {
                return true;
            }
        }

        return false;
    }
}