<?php

namespace App\Api\Controllers;

use App\Api\Resources\GoodsParamsListResource;
use App\Api\Resources\SellerListResource;
use App\Models\GoodsParams;
use App\Models\Seller;
use Illuminate\Http\Request;
use Illuminate\Support\Facades\DB;

class IndexController extends Controller
{

    public function index(Request $request)
    {

        $goodsLists = GoodsParams::whereHas('goods', function ($query) {
            return $query->where('status', 1);
        })->where('status', 1)->where('stock', '>', 0)->where('score', '>', 0)->whereRaw('price > score')->select('goods_id', DB::raw('any_value(stock) as stock'), DB::raw('any_value(status) as status'), DB::raw('any_value(price) as price'), DB::raw('any_value(score) as score'), DB::raw('any_value(id) as id'))
            ->groupBy('goods_id')
            ->orderBy('price', 'asc')
            ->paginate(10);


        $page = $request->page ?? 1; //获取当前页码

        if ($page > 1) {
            //页码大于1，AJAX调用分页
            if ($goodsLists->count() > 0) {
                return [
                    'data' => [
                        'goodsLists' => GoodsParamsListResource::collection($goodsLists),
                    ],
                    'status' => 'SUCCESS',
                    'status_code' => 200,
                ];
            } else {
                //无内容提示到最后一页
                return $this->failed('已经到最后一页');
            }
        }else{
            $sellers = Seller::with(['storage'])->orderBy('sort', 'desc')->limit(12)->get();
            $recommendSellerGoods = GoodsParams::whereHas('goods', function ($query) {
                return $query->where('status', 1)->where('seller_id', 1);
            })->where('status', 1)->where('stock', '>', 0)->where('score', '>', 0)->whereRaw('price > score')->select('goods_id', DB::raw('any_value(stock) as stock'), DB::raw('any_value(status) as status'), DB::raw('any_value(price) as price'), DB::raw('any_value(score) as score'), DB::raw('any_value(id) as id'))
                ->groupBy('goods_id')
                ->orderBy('price', 'asc')
                ->limit(8)->get();

            return [
                'data' => [
                    'goodsLists' => GoodsParamsListResource::collection($goodsLists),
                    'sellers' => SellerListResource::collection($sellers),
                    'recommendSellerGoods' => GoodsParamsListResource::collection($recommendSellerGoods)
                ],
                'status' => 'SUCCESS',
                'status_code' => 200,
            ];
        }


    }
}