hub/app/Http/Controllers/Seller/Management/OperationsController.php

<?php

namespace App\Http\Controllers\Seller\Management;

use App\Http\Controllers\Controller;
use App\Models\Business;
use App\Support\ManagementDivisionFilter;
use Carbon\Carbon;
use Illuminate\Http\Request;
use Illuminate\Support\Facades\DB;

class OperationsController extends Controller
{
    use ManagementDivisionFilter;

    public function index(Request $request, Business $business)
    {
        $this->requireManagementSuite($business);

        $divisions = $this->getChildDivisionsIfAny($business);
        $selectedDivision = $this->getSelectedDivision($request, $business);
        $includeChildren = $this->shouldIncludeChildren($request);

        $businessIds = $this->getBusinessIdsForScope($business, $selectedDivision, $includeChildren);

        // Collect operations data
        $operations = $this->collectOperationsData($businessIds);

        return view('seller.management.operations.index', [
            'business' => $business,
            'divisions' => $divisions,
            'selectedDivision' => $selectedDivision,
            'includeChildren' => $includeChildren,
            'operations' => $operations,
        ]);
    }

    protected function collectOperationsData(array $businessIds): array
    {
        $today = Carbon::today();
        $startOfMonth = Carbon::now()->startOfMonth();
        $startOfWeek = Carbon::now()->startOfWeek();

        // Order stats
        $orderStats = DB::table('orders')
            ->whereIn('business_id', $businessIds)
            ->select([
                DB::raw('COUNT(CASE WHEN status = \'pending\' THEN 1 END) as pending_orders'),
                DB::raw('COUNT(CASE WHEN status = \'processing\' THEN 1 END) as processing_orders'),
                DB::raw('COUNT(CASE WHEN status = \'completed\' AND created_at >= \''.$startOfMonth->toDateString().'\' THEN 1 END) as completed_this_month'),
                DB::raw('COUNT(CASE WHEN created_at >= \''.$startOfWeek->toDateString().'\' THEN 1 END) as orders_this_week'),
            ])
            ->first();

        // Product stats
        $productStats = DB::table('products')
            ->join('brands', 'products.brand_id', '=', 'brands.id')
            ->whereIn('brands.business_id', $businessIds)
            ->select([
                DB::raw('COUNT(*) as total_products'),
                DB::raw('COUNT(CASE WHEN products.is_active = true THEN 1 END) as active_products'),
                DB::raw('COUNT(CASE WHEN products.stock_quantity <= products.low_stock_threshold AND products.stock_quantity > 0 THEN 1 END) as low_stock_products'),
                DB::raw('COUNT(CASE WHEN products.stock_quantity = 0 THEN 1 END) as out_of_stock_products'),
            ])
            ->first();

        // Customer stats
        $customerStats = DB::table('contacts')
            ->whereIn('business_id', $businessIds)
            ->where('is_customer', true)
            ->select([
                DB::raw('COUNT(*) as total_customers'),
                DB::raw('COUNT(CASE WHEN created_at >= \''.$startOfMonth->toDateString().'\' THEN 1 END) as new_this_month'),
            ])
            ->first();

        // Bill stats
        $billStats = DB::table('ap_bills')
            ->whereIn('business_id', $businessIds)
            ->select([
                DB::raw('COUNT(CASE WHEN status = \'pending\' THEN 1 END) as pending_bills'),
                DB::raw('COUNT(CASE WHEN status = \'approved\' THEN 1 END) as approved_bills'),
                DB::raw('COUNT(CASE WHEN status = \'overdue\' THEN 1 END) as overdue_bills'),
                DB::raw('SUM(CASE WHEN status IN (\'pending\', \'approved\') THEN total_amount ELSE 0 END) as pending_amount'),
            ])
            ->first();

        // Expense stats
        $expenseStats = DB::table('expenses')
            ->whereIn('business_id', $businessIds)
            ->select([
                DB::raw('COUNT(CASE WHEN status = \'pending\' THEN 1 END) as pending_expenses'),
                DB::raw('SUM(CASE WHEN status = \'pending\' THEN amount ELSE 0 END) as pending_amount'),
            ])
            ->first();

        // Recent activity
        $recentOrders = DB::table('orders')
            ->join('businesses', 'orders.business_id', '=', 'businesses.id')
            ->whereIn('orders.business_id', $businessIds)
            ->orderByDesc('orders.created_at')
            ->limit(5)
            ->select(['orders.*', 'businesses.name as business_name'])
            ->get();

        return [
            'orders' => $orderStats,
            'products' => $productStats,
            'customers' => $customerStats,
            'bills' => $billStats,
            'expenses' => $expenseStats,
            'recent_orders' => $recentOrders,
        ];
    }

    protected function getBusinessIdsForScope(Business $business, ?Business $selectedDivision, bool $includeChildren): array
    {
        if ($selectedDivision) {
            if ($includeChildren) {
                return $selectedDivision->divisions()->pluck('id')
                    ->prepend($selectedDivision->id)
                    ->toArray();
            }

            return [$selectedDivision->id];
        }

        if ($includeChildren && $business->hasChildBusinesses()) {
            return $business->divisions()->pluck('id')
                ->prepend($business->id)
                ->toArray();
        }

        return [$business->id];
    }
}