<?php
namespace App\Domains\Stats\Services;

use App\Core\Service;
use Illuminate\Support\Facades\DB;
use App\Exceptions\NotAllowedException;
use App\Domains\Virtual\Services\CommonService;
use App\Domains\Virtual\Repositories\OrderRepository;
use App\Domains\Virtual\Repositories\CompanyRepository;
use App\Domains\Virtual\Repositories\PackageRepository;

class OrderService extends Service
{
    protected $companyRepository;
    protected $packageRepository;
    protected $orderRepository;

    protected static $classes = [
        \App\Domains\Virtual\Repositories\OrderCardRepository::class,
        \App\Domains\Virtual\Repositories\OrderRenewalCardRepository::class,
        \App\Domains\Virtual\Repositories\OrderRenewalPackageCardRepository::class,
        \App\Domains\Virtual\Repositories\OrderFlowPackageCardsRepository::class,
    ];

    /**
     * 构造函数
     *
     * @return void
     */
    public function __construct(
        CompanyRepository $companyRepository,
        PackageRepository $packageRepository,
        OrderRepository $orderRepository
    ) {
        $this->companyRepository = $companyRepository;
        $this->packageRepository = $packageRepository;
        $this->orderRepository = $orderRepository;
    }


    /**
     * 统计
     *
     * @return void
     */
    public function index($type, array $conditions = [])
    {
        $conditions['type'] = $type;
        $conditions['source'] = 1;

        $companies = $this->companyRepository->withTrashed()->get()->pluck('name', 'id')->toArray();
        $packages = $this->packageRepository->withTrashed()->get()->pluck('name', 'id')->toArray();

        $select = [
            DB::raw("string_agg(DISTINCT id, ',') as id"),
            'company_id',
            'package_id',
            'product_id',
            'unit_price',
            'pay_channel',
            DB::raw('SUM(counts) as counts'),
            DB::raw('SUM(custom_price) as custom_price'),
        ];

        $orders = $this->orderRepository->select($select)->withConditions($conditions)->applyConditions()
            ->groupBy(['company_id', 'product_id', 'pay_channel'])->paginate($conditions['limit']);

        $orders->map(function ($item) use ($companies, $packages) {
            $item->company_name = $packages[$item->company_id];
            $item->package_name = $packages[$item->package_id];
            $item->pay_channel_name = CommonService::namePayChannel($item->pay_channel);
        });

        return $orders;
    }

    /**
     * 明细
     *
     * @return void
     */
    public function detail(array $conditions = [])
    {
        if (!$class = self::$classes[$conditions['type']]) {
            throw new NotAllowedException('统计类型不存在');
        }

        $repository = app($class);

        $companies = $this->companyRepository->withTrashed()->get()->pluck('name', 'id')->toArray();
        $packages = $this->packageRepository->withTrashed()->get()->pluck('name', 'id')->toArray();

        $repository->withConditions($conditions)->applyConditions()->paginate($conditions['limit']);

        $select = [
            'id',
            'company_id',
            'package_id',
            'unit_price',
            'pay_channel',
            DB::raw('SUM(counts) as counts'),
            DB::raw('SUM(custom_price) as custom_price'),
        ];

        $orders = $this->orderRepository->select($select)->withConditions($conditions)->applyConditions()
            ->groupBy(['company_id', 'product_id', 'pay_channel'])->paginate($conditions['limit']);

        $orders->map(function ($item) use ($companies, $packages) {
            $item->company_name = $packages[$item->company_id];
            $item->package_name = $packages[$item->package_id];
            $item->pay_channel_name = CommonService::namePayChannel($item->pay_channel);
        });

        return $orders;
    }
}