<?php

declare(strict_types=1);

namespace App\Controllers\Admin;

use App\Controllers\BaseController;
use App\Libraries\CatalogBuilder;
use App\Models\CategoryModel;
use App\Models\GuideModel;
use App\Models\ToolModel;

/**
 * Admin base: shared layout rendering + nav context.
 * All children sit behind the admin-auth filter.
 */
abstract class AdminBase extends BaseController
{
    protected function render(string $view, array $data = []): string
    {
        $data['viewContent'] = view('admin/' . $view, $data);

        return view('layout', ['seo' => $this->seo] + $data);
    }

    /** Shared tool-form field list. */
    protected function toolFields(): array
    {
        return [
            'slug', 'name', 'short_description', 'description', 'icon',
            'seo_title', 'seo_description', 'h1', 'intro', 'popularity', 'status',
        ];
    }

    /** Build a registry row from POST for admin-created tools. */
    protected function toolFromInput(array $post, int $categoryId): array
    {
        // reuse the builder's content generator so admin-created tools get
        // complete SEO fields even when left blank
        $generated = null;
        if (! empty($post['format_in']) && ! empty($post['format_out'])) {
            foreach (CatalogBuilder::build() as $candidate) {
                if ($candidate['slug'] === strtolower($post['format_in']) . '-to-' . strtolower($post['format_out'])) {
                    $generated = $candidate;
                    break;
                }
            }
        }

        return [
            'category_id'           => $categoryId,
            'kind'                  => $post['kind'] ?? ($generated['kind'] ?? 'upload'),
            'operation'             => $post['operation'] ?? ($generated['operation'] ?? 'convert'),
            'slug'                  => $post['slug'] ?? ($generated['slug'] ?? ''),
            'name'                  => $post['name'],
            'short_description'     => $post['short_description'] ?? '',
            'description'           => $post['description'] ?? null,
            'input_formats'         => json_encode($generated['input_formats'] ?? []),
            'output_formats'        => json_encode($generated['output_formats'] ?? []),
            'primary_input_format'  => $post['format_in'] ?? ($generated['primary_input_format'] ?? null),
            'primary_output_format' => $post['format_out'] ?? ($generated['primary_output_format'] ?? null),
            'icon'                  => $post['icon'] ?? 'file',
            'seo_title'             => $post['seo_title'] ?: ($generated['seo_title'] ?? ($post['name'] . ' – Free Online Tool')),
            'seo_description'       => $post['seo_description'] ?: mb_substr((string) ($post['short_description'] ?? ''), 0, 300),
            'h1'                    => $post['h1'] ?: $post['name'],
            'intro'                 => $post['intro'] ?: ($generated['intro'] ?? null),
            'how_to'                => json_encode($generated['how_to'] ?? []),
            'faqs'                  => json_encode($generated['faqs'] ?? []),
            'related_slugs'         => json_encode([]),
            'aliases'               => json_encode(array_filter(array_map('trim', explode(',', (string) ($post['aliases'] ?? ''))))),
            'requires_binaries'     => json_encode($generated['requires_binaries'] ?? []),
            'accepts_mimes'         => json_encode($generated['accepts_mimes'] ?? []),
            'popularity'            => (int) ($post['popularity'] ?? 1000),
            'status'                => in_array(($post['status'] ?? ''), ['active', 'draft', 'inactive'], true) ? $post['status'] : 'active',
        ];
    }

    protected function categories(): array
    {
        return model(CategoryModel::class)->findAll();
    }

    protected function toolsModel(): ToolModel
    {
        return model(ToolModel::class);
    }

    protected function guidesModel(): GuideModel
    {
        return model(GuideModel::class);
    }
}