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Filename : DashboardController.php
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<?php

namespace App\Http\Controllers\Admin;

use App\Contracts\Repositories\AdminWalletRepositoryInterface;
use App\Contracts\Repositories\BrandRepositoryInterface;
use App\Contracts\Repositories\CustomerRepositoryInterface;
use App\Contracts\Repositories\DeliveryManRepositoryInterface;
use App\Contracts\Repositories\OrderRepositoryInterface;
use App\Contracts\Repositories\OrderTransactionRepositoryInterface;
use App\Contracts\Repositories\ProductRepositoryInterface;
use App\Contracts\Repositories\RestockProductRepositoryInterface;
use App\Contracts\Repositories\VendorRepositoryInterface;
use App\Contracts\Repositories\VendorWalletRepositoryInterface;
use App\Http\Controllers\BaseController;
use App\Services\DashboardService;
use Carbon\Carbon;
use Illuminate\Contracts\View\View;
use Illuminate\Database\Eloquent\Collection;
use Illuminate\Http\JsonResponse;
use Illuminate\Http\RedirectResponse;
use Illuminate\Http\Request;
use Illuminate\Pagination\LengthAwarePaginator;

class DashboardController extends BaseController
{
    public function __construct(
        private readonly AdminWalletRepositoryInterface      $adminWalletRepo,
        private readonly CustomerRepositoryInterface         $customerRepo,
        private readonly OrderTransactionRepositoryInterface $orderTransactionRepo,
        private readonly ProductRepositoryInterface          $productRepo,
        private readonly DeliveryManRepositoryInterface      $deliveryManRepo,
        private readonly OrderRepositoryInterface            $orderRepo,
        private readonly BrandRepositoryInterface            $brandRepo,
        private readonly VendorRepositoryInterface           $vendorRepo,
        private readonly VendorWalletRepositoryInterface     $vendorWalletRepo,
        private readonly RestockProductRepositoryInterface   $restockProductRepo,
        private readonly DashboardService                    $dashboardService,
    )
    {
    }

    /**
     * @param Request|null $request
     * @param string|null $type
     * @return View|Collection|LengthAwarePaginator|callable|RedirectResponse|null
     * Index function is the starting point of a controller
     */
    public function index(Request|null $request, ?string $type = null): View|Collection|LengthAwarePaginator|null|callable|RedirectResponse
    {
        $mostRatedProducts = $this->productRepo->getTopRatedList()->take(DASHBOARD_DATA_LIMIT);
        $topSellProduct = $this->productRepo->getTopSellList(relations: ['orderDetails','refundRequest'])->take(DASHBOARD_TOP_SELL_DATA_LIMIT);
        $topCustomer = $this->orderRepo->getTopCustomerList(relations: ['customer'], dataLimit: 'all')->take(DASHBOARD_DATA_LIMIT);
        $topRatedDeliveryMan = $this->deliveryManRepo->getTopRatedList(filters: ['seller_id' => 0], relations: ['deliveredOrders'], dataLimit: 'all')->take(DASHBOARD_DATA_LIMIT);
        $topVendorByEarning = $this->vendorWalletRepo->getListWhere(orderBy: ['total_earning' => 'desc'], filters: [['column' => 'total_earning', 'operator' => '>', 'value' => 0]], relations: ['seller.shop'])->take(DASHBOARD_DATA_LIMIT);
        $topVendorByOrderReceived = $this->vendorRepo->getTopVendorListByWishlist(relations: ['shop'], dataLimit: 'all')->take(DASHBOARD_DATA_LIMIT);

        if (empty(session('statistics_type'))) {
            session()->put('statistics_type', 'this_year');
        }

        $data = self::getOrderStatusData();
        $admin_wallet = $this->adminWalletRepo->getFirstWhere(params: ['admin_id' => 1]);

        $from = now()->startOfYear()->format('Y-m-d');
        $to = now()->endOfYear()->format('Y-m-d');
        $range = range(1, 12);
        $label = ["Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"];
        $inHouseOrderEarningArray = $this->getOrderStatisticsData(from: $from, to: $to, range: $range, type: 'month', userType: 'admin');
        $vendorOrderEarningArray = $this->getOrderStatisticsData(from: $from, to: $to, range: $range, type: 'month', userType: 'seller');
        $inHouseEarning = $this->getEarning(from: $from, to: $to, range: $range, type: 'month', userType: 'admin');
        $vendorEarning = $this->getEarning(from: $from, to: $to, range: $range, type: 'month', userType: 'seller');
        $commissionEarn = $this->getAdminCommission(from: $from, to: $to, range: $range, type: 'month');
        $dateType = 'yearEarn';
        $getTotalCustomerCount = $this->customerRepo->getListWhereBetween(filters: ['avoid_walking_customer' => 1], dataLimit: 'all')->count();
        $data += [
            'order' => $this->orderRepo->getListWhere(dataLimit: 'all')->count(),
            'brand' => $this->brandRepo->getListWhere(dataLimit: 'all')->count(),
            'topSellProduct' => $topSellProduct,
            'mostRatedProducts' => $mostRatedProducts,
            'topVendorByEarning' => $topVendorByEarning,
            'top_customer' => $topCustomer,
            'top_store_by_order_received' => $topVendorByOrderReceived,
            'topRatedDeliveryMan' => $topRatedDeliveryMan,
            'inhouse_earning' => $admin_wallet['inhouse_earning'] ?? 0,
            'commission_earned' => $admin_wallet['commission_earned'] ?? 0,
            'delivery_charge_earned' => $admin_wallet['delivery_charge_earned'] ?? 0,
            'pending_amount' => $admin_wallet['pending_amount'] ?? 0,
            'total_tax_collected' => $admin_wallet['total_tax_collected'] ?? 0,
            'getTotalCustomerCount' => $getTotalCustomerCount,
            'getTotalVendorCount' => $this->vendorRepo->getListWhere(dataLimit: 'all')->count(),
            'getTotalDeliveryManCount' => $this->deliveryManRepo->getListWhere(filters: ['seller_id' => 0], dataLimit: 'all')->count(),
        ];
        return view('admin-views.system.dashboard', compact('data', 'inHouseEarning', 'vendorEarning', 'commissionEarn', 'inHouseOrderEarningArray', 'vendorOrderEarningArray', 'label', 'dateType'));
    }

    public function getOrderStatus(Request $request)
    {
        session()->put('statistics_type', $request['statistics_type']);
        $data = self::getOrderStatusData();
        return response()->json(['view' => view('admin-views.partials._dashboard-order-status', compact('data'))->render()], 200);
    }

    public function getOrderStatusData(): array
    {
        $orderQuery = $this->orderRepo->getListWhere(dataLimit: 'all');
        $storeQuery = $this->vendorRepo->getListWhere(dataLimit: 'all');
        $productQuery = $this->productRepo->getListWhere(dataLimit: 'all');
        $customerQuery = $this->customerRepo->getListWhere(filters: ['avoid_walking_customer' => 1], dataLimit: 'all');
        $failedQuery = $this->orderRepo->getListWhere(filters: ['order_status' => 'failed'], dataLimit: 'all');
        $pendingQuery = $this->orderRepo->getListWhere(filters: ['order_status' => 'pending'], dataLimit: 'all');
        $returnedQuery = $this->orderRepo->getListWhere(filters: ['order_status' => 'returned'], dataLimit: 'all');
        $canceledQuery = $this->orderRepo->getListWhere(filters: ['order_status' => 'canceled'], dataLimit: 'all');
        $confirmedQuery = $this->orderRepo->getListWhere(filters: ['order_status' => 'confirmed'], dataLimit: 'all');
        $deliveredQuery = $this->orderRepo->getListWhere(filters: ['order_status' => 'delivered'], dataLimit: 'all');
        $processingQuery = $this->orderRepo->getListWhere(filters: ['order_status' => 'processing'], dataLimit: 'all');
        $outForDeliveryQuery = $this->orderRepo->getListWhere(filters: ['order_status' => 'out_for_delivery'], dataLimit: 'all');

        return [
            'order' => self::getCommonQueryOrderStatus($orderQuery),
            'store' => self::getCommonQueryOrderStatus($storeQuery),
            'failed' => self::getCommonQueryOrderStatus($failedQuery),
            'pending' => self::getCommonQueryOrderStatus($pendingQuery),
            'product' => self::getCommonQueryOrderStatus($productQuery),
            'customer' => self::getCommonQueryOrderStatus($customerQuery),
            'returned' => self::getCommonQueryOrderStatus($returnedQuery),
            'canceled' => self::getCommonQueryOrderStatus($canceledQuery),
            'confirmed' => self::getCommonQueryOrderStatus($confirmedQuery),
            'delivered' => self::getCommonQueryOrderStatus($deliveredQuery),
            'processing' => self::getCommonQueryOrderStatus($processingQuery),
            'out_for_delivery' => self::getCommonQueryOrderStatus($outForDeliveryQuery),
        ];
    }

    public function getCommonQueryOrderStatus($query)
    {
        $today = session()->has('statistics_type') && session('statistics_type') == 'today' ? 1 : 0;
        $this_week = session()->has('statistics_type') && session('statistics_type') == 'this_week' ? 1 : 0;
        $this_month = session()->has('statistics_type') && session('statistics_type') == 'this_month' ? 1 : 0;
        $this_year = session()->has('statistics_type') && session('statistics_type') == 'this_year' ? 1 : 0;

        return $query
            ->when($today, function ($query) {
                return $query->whereBetween('created_at', [now()->startOfDay(), now()->endOfDay()]);
            })
            ->when($this_week, function ($query) {
                return $query->whereBetween('created_at', [now()->startOfWeek(), now()->endOfWeek()]);
            })
            ->when($this_month, function ($query) {
                return $query->whereBetween('created_at', [now()->startOfMonth(), now()->endOfMonth()]);
            })
            ->when($this_year, function ($query) {
                return $query->whereBetween('created_at', [now()->startOfYear(), now()->endOfYear()]);
            })
            ->count();
    }

    public function getOrderStatistics(Request $request): JsonResponse
    {
        $dateType = $request['type'];
        $dateTypeArray = $this->dashboardService->getDateTypeData(dateType: $dateType);
        $from = $dateTypeArray['from'];
        $to = $dateTypeArray['to'];
        $type = $dateTypeArray['type'];
        $range = $dateTypeArray['range'];
        $inHouseOrderEarningArray = $this->getOrderStatisticsData(from: $from, to: $to, range: $range, type: $type, userType: 'admin');
        $vendorOrderEarningArray = $this->getOrderStatisticsData(from: $from, to: $to, range: $range, type: $type, userType: 'seller');
        $label = $dateTypeArray['keyRange'] ?? [];
        $inHouseOrderEarningArray = array_values($inHouseOrderEarningArray);
        $vendorOrderEarningArray = array_values($vendorOrderEarningArray);
        return response()->json([
            'view' => view('admin-views.system.partials.order-statistics', compact('inHouseOrderEarningArray', 'vendorOrderEarningArray', 'label', 'dateType'))->render(),
        ]);
    }

    public function getEarningStatistics(Request $request): JsonResponse
    {
        $dateType = $request['type'];
        $dateTypeArray = $this->dashboardService->getDateTypeData(dateType: $dateType);
        $from = $dateTypeArray['from'];
        $to = $dateTypeArray['to'];
        $type = $dateTypeArray['type'];
        $range = $dateTypeArray['range'];
        $inHouseEarning = $this->getEarning(from: $from, to: $to, range: $range, type: $type, userType: 'admin');
        $vendorEarning = $this->getEarning(from: $from, to: $to, range: $range, type: $type, userType: 'seller');
        $commissionEarn = $this->getAdminCommission(from: $from, to: $to, range: $range, type: $type);
        $label = $dateTypeArray['keyRange'] ?? [];
        $inHouseEarning = array_values($inHouseEarning);
        $vendorEarning = array_values($vendorEarning);
        $commissionEarn = array_values($commissionEarn);
        return response()->json([
            'view' => view('admin-views.system.partials.earning-statistics', compact('inHouseEarning', 'vendorEarning', 'commissionEarn', 'label', 'dateType'))->render(),
        ]);
    }

    protected function getOrderStatisticsData($from, $to, $range, $type, $userType): array
    {
        $orderEarnings = $this->orderRepo->getListWhereBetween(
            filters: [
                'seller_is' => $userType,
                'payment_status' => 'paid'
            ],
            selectColumn: 'order_amount',
            whereBetween: 'created_at',
            whereBetweenFilters: [$from, $to],
        );
        $orderEarningArray = [];
        foreach ($range as $value) {
            $matchingEarnings = $orderEarnings->where($type, $value);
            if ($matchingEarnings->count() > 0) {
                $orderEarningArray[$value] = usdToDefaultCurrency($matchingEarnings->sum('sums'));
            } else {
                $orderEarningArray[$value] = 0;
            }
        }
        return $orderEarningArray;
    }

    protected function getEarning(string|Carbon $from, string|Carbon $to, array $range, string $type, $userType): array
    {
        $earning = $this->orderTransactionRepo->getListWhereBetween(
            filters: [
                'seller_is' => $userType,
                'status' => 'disburse',
            ],
            selectColumn: 'seller_amount',
            whereBetween: 'created_at',
            groupBy: $type,
            whereBetweenFilters: [$from, $to],
        );
        return $this->dashboardService->getDateWiseAmount(range: $range, type: $type, amountArray: $earning);
    }

    /**
     * @param string|Carbon $from
     * @param string|Carbon $to
     * @param array $range
     * @param string $type
     * @return array
     */
    protected function getAdminCommission(string|Carbon $from, string|Carbon $to, array $range, string $type): array
    {
        $commissionGiven = $this->orderTransactionRepo->getListWhereBetween(
            filters: [
                'seller_is' => 'seller',
                'status' => 'disburse',
            ],
            selectColumn: 'admin_commission',
            whereBetween: 'created_at',
            groupBy: $type,
            whereBetweenFilters: [$from, $to],
        );
        return $this->dashboardService->getDateWiseAmount(range: $range, type: $type, amountArray: $commissionGiven);
    }

    public function getRealTimeActivities(): JsonResponse
    {
        $newOrder = $this->orderRepo->getListWhere(filters: ['checked' => 0], dataLimit: 'all')->count();
        $restockProductList = $this->restockProductRepo->getListWhere(filters: ['added_by' => 'in_house'], dataLimit: 'all')->groupBy('product_id');
        $restockProduct = [];
        if (count($restockProductList) == 1) {
            $products = $this->restockProductRepo->getListWhere(orderBy: ['updated_at' => 'desc'], filters: ['added_by' => 'in_house'], relations: ['product'], dataLimit: 'all');
            $firstProduct = $products->first();
            $count = $products?->sum('restock_product_customers_count') ?? 0;
            $restockProduct = [
                'title' => $firstProduct?->product?->name ?? '',
                'body' => $count < 100 ? translate('This_product_has') . ' ' . $count . ' ' . translate('restock_request') : translate('This_product_has') . ' 99+ ' . translate('restock_request'),
                'image' => getStorageImages(path: $firstProduct?->product?->thumbnail_full_url ?? '', type: 'product'),
                'route' => route('admin.products.request-restock-list')
            ];
        } elseif (count($restockProductList) > 1) {
            $restockProduct = [
                'title' => translate('Restock_Request'),
                'body' => count($restockProductList) < 100 ? (count($restockProductList) . ' ' . translate('products_have_restock_request')) : ('99 +' . ' ' . translate('more_products_have_restock_request')),
                'image' => dynamicAsset(path: 'public/assets/back-end/img/icons/restock-request-icon.svg'),
                'route' => route('admin.products.request-restock-list')
            ];
        }

        return response()->json([
            'success' => 1,
            'new_order_count' => $newOrder,
            'restockProductCount' => $restockProductList->count(),
            'restockProduct' => $restockProduct
        ]);
    }
}