<?php

namespace App\Http\Controllers\Admin\Dwbs;

use App\Http\Controllers\Controller;
use App\Repositories\Enums\ResponseCodeEnum;
use App\Repositories\Models\Dwbs\Good;
use App\Repositories\Models\Dwbs\OrderGood;
use App\Services\Dwbs\RankingService;
use Carbon\Carbon;
use Illuminate\Http\Request;

/**
 * 排行榜
 */
class RankingController extends Controller
{
    /**
     * @var RankingService
     */
    private $service;

    /**
     * RankingController constructor.
     *
     * @param RankingService $rankingService
     */
    public function __construct(RankingService $service)
    {
        parent::__construct();
        $this->middleware('checkUserPermission');

        $this->service = $service;
    }

    /**
     * 列表
     * @param Request $request
     *
     * @return \Illuminate\Http\JsonResponse|\Illuminate\Http\Resources\Json\JsonResource
     * @throws \Prettus\Repository\Exceptions\RepositoryException
     */
    public function index(Request $request)
    {
        $lists = $this->service->handleList($request);
        return $this->response->success($lists);
    }

    /**
     * 获取商品数量对比统计
     * @param Request $request
     * @return \Illuminate\Http\JsonResponse|\Illuminate\Http\Resources\Json\JsonResource
     * @throws \Illuminate\Validation\ValidationException
     */
    public function goodNumsStatistics(Request $request)
    {
        $data = $this->validateData($request, [
            'start_date' => 'nullable|date',
            'end_date' => 'nullable|date',
            'good_ids' => 'nullable|array'
        ], [
            'start_date' => '开始日期',
            'end_date' => '结束日期',
            'good_ids' => '产品'
        ]);

        if (empty($data['start_date'])) {
            $start_date = Carbon::now()->addMonths(-1);
        } else {
            $start_date = Carbon::parse($data['start_date']);
        }

        if (empty($data['end_date'])) {
            $end_date = Carbon::now();
        } else {
            $end_date = Carbon::parse($data['end_date']);
        }

        $good_ids = false;
        if (!empty($data['good_ids'])) $good_ids = $data['good_ids'];

        $oldGoods = Good::getNames();
        $goods = [];
        foreach ($oldGoods as $good) {
            if ($good_ids && !in_array($good['id'], $good_ids)) continue;
            $goods[] = $good;
        }

        $days = $start_date->diffInDays($end_date, false);

        if (!$days) {
            abort(ResponseCodeEnum::SERVICE_OPERATION_ERROR, '起止时间不合法');
            return;
        }

        $statistics = [];
        for ($i = 0; $i < $days; $i++) {
            $day = $end_date->clone()->subDays($i)->toDateString();
            $dayGoodNums = [];
            foreach ($goods as $good) {
                $dayNums = OrderGood::adminBbyDayGetGoodNums($day, $good['id']);

                $dayGoodNums[$good->id] = $dayNums['nums'] ?? 0;
            }
            $statistics[] = [
                'day' => $day,
                'nums' => $dayGoodNums
            ];
        }

        return $this->response->success(compact('statistics', 'goods'));
    }
}