<?php

namespace App\Http\Controllers\Api;

use App\Http\Controllers\Controller;
use App\Models\AgentProduct;
use App\Models\Article;
use Illuminate\Support\Facades\Storage;

/**
 * 文章
 * Class ArticleController
 * @package App\Http\Controllers\Api
 */
class ArticleController extends Controller
{
	//文章列表
    public function index()
	{
		$list = Article::select('id', 'image', 'title', 'type', 'updated_at')
			->orderBy('sort')->orderBy('id', 'DESC')
			->simplePaginate()->toArray();

		//如果没有数据，且没有软删除的数据，显示默认的几条数据，主要用于新代理商入驻时显示默认文章
		/*if (empty($list['data'])) {
			if (Article::withTrashed()->where('agent_id', $this->agent_id)->count() === 0 && request('page', 1) < 2) {
				$list = Article::select('id', 'image', 'title', 'type', 'updated_at')
					->orderBy('id')->simplePaginate()->toArray();
			}
		}*/

		$new_data = [];
		$prefix = Storage::disk('public')->url('');
		foreach ($list['data'] as $k => &$item) {
			$item['image'] = $prefix . $item['image'];

			//type=1是大图
			if ($item['type'] == 1) {
				$new_data[] = ['big' => $item];
				continue;
			}
			//普通列表
			$count = count($new_data);
			if ($count) {
				$new_data[$count - 1]['children'][] = $item;
			} else {
				$new_data[] = ['children' => [$item]];
			}
		}
		$list['data'] = $new_data;
		return $this->success($list);
	}

	//文章详情
	public function show()
	{
		$id = (int)request()->input('id');

		$article = Article::find($id);
		/*if (Article::withTrashed()->where('agent_id', $this->agent_id)->count() === 0) { //演示文章
			$article = Article::find($id);
		} else {
			$article = Article::where('agent_id', $this->agent_id)->find($id);
		}*/
		if (!$article) {
			return $this->error('文章不存在或已被删除');
		}
		$article->image = Storage::disk('public')->url('') . $article->image;

		if ($article->agent_product_ids) {
			$product = AgentProduct::list($this->agent_id)
				->whereIn('id', $article->agent_product_ids)
				->get();
			if (!$product->isEmpty()) {
				$prefix = Storage::disk('public')->url('');
				foreach ($product as &$v) {
					$v->pictures = array_map(fn($item) => $prefix . $item, $v->pictures);
				}
			}
		}
		$article->product = $product ?? [];
		return $this->success($article);
	}
}