hub/app/Http/Controllers/Seller/Crm/AccountController.php

<?php

namespace App\Http\Controllers\Seller\Crm;

use App\Http\Controllers\Controller;
use App\Models\Activity;
use App\Models\Business;
use App\Models\Crm\CrmEvent;
use App\Models\Crm\CrmTask;
use App\Models\SalesOpportunity;
use App\Models\SendMenuLog;
use Illuminate\Http\Request;

class AccountController extends Controller
{
    /**
     * Display accounts listing
     */
    public function index(Request $request, Business $business)
    {
        $accounts = Business::where('type', 'buyer')
            ->where('status', 'approved')
            ->with(['contacts'])
            ->orderBy('name')
            ->paginate(25);

        return view('seller.crm.accounts.index', compact('business', 'accounts'));
    }

    /**
     * Show account details
     */
    public function show(Request $request, Business $business, Business $account)
    {
        $account->load(['contacts']);

        // Get orders for this account from this seller
        $orders = $account->orders()
            ->whereHas('items.product.brand', function ($q) use ($business) {
                $q->where('business_id', $business->id);
            })
            ->latest()
            ->limit(10)
            ->get();

        // Get opportunities for this account from this seller
        // SalesOpportunity uses business_id for the buyer
        $opportunities = SalesOpportunity::where('seller_business_id', $business->id)
            ->where('business_id', $account->id)
            ->with(['stage', 'brand'])
            ->latest()
            ->get();

        // Get tasks related to this account
        // CrmTask uses business_id for the buyer
        $tasks = CrmTask::where('seller_business_id', $business->id)
            ->where('business_id', $account->id)
            ->whereNull('completed_at')
            ->with('assignee')
            ->orderBy('due_at')
            ->limit(5)
            ->get();

        // Get conversation events for this account
        $conversationEvents = CrmEvent::where('seller_business_id', $business->id)
            ->where('buyer_business_id', $account->id)
            ->latest('occurred_at')
            ->limit(20)
            ->get();

        // Get menu send history for this account
        $sendHistory = SendMenuLog::where('business_id', $business->id)
            ->where('customer_id', $account->id)
            ->with(['menu', 'brand'])
            ->latest('sent_at')
            ->limit(10)
            ->get();

        // Get activity log for this account
        $activities = Activity::where('seller_business_id', $business->id)
            ->where('business_id', $account->id)
            ->with(['causer'])
            ->latest()
            ->limit(20)
            ->get();

        // Compute stats for this account (orders from this seller)
        $ordersQuery = $account->orders()
            ->whereHas('items.product.brand', function ($q) use ($business) {
                $q->where('business_id', $business->id);
            });

        $pipelineValue = $opportunities->where('status', 'open')->sum('value');

        $stats = [
            'total_orders' => $ordersQuery->count(),
            'total_revenue' => $ordersQuery->sum('total') ?? 0,
            'open_opportunities' => $opportunities->where('status', 'open')->count(),
            'pipeline_value' => $pipelineValue ?? 0,
        ];

        return view('seller.crm.accounts.show', compact(
            'business',
            'account',
            'stats',
            'orders',
            'opportunities',
            'tasks',
            'conversationEvents',
            'sendHistory',
            'activities'
        ));
    }

    /**
     * Show account contacts
     */
    public function contacts(Request $request, Business $business, Business $account)
    {
        $contacts = $account->contacts()->paginate(25);

        return view('seller.crm.accounts.contacts', compact('business', 'account', 'contacts'));
    }

    /**
     * Show account opportunities
     */
    public function opportunities(Request $request, Business $business, Business $account)
    {
        return view('seller.crm.accounts.opportunities', compact('business', 'account'));
    }

    /**
     * Show account orders
     */
    public function orders(Request $request, Business $business, Business $account)
    {
        return view('seller.crm.accounts.orders', compact('business', 'account'));
    }

    /**
     * Show account activity
     */
    public function activity(Request $request, Business $business, Business $account)
    {
        return view('seller.crm.accounts.activity', compact('business', 'account'));
    }

    /**
     * Show account tasks
     */
    public function tasks(Request $request, Business $business, Business $account)
    {
        return view('seller.crm.accounts.tasks', compact('business', 'account'));
    }

    /**
     * Store a note for an account
     */
    public function storeNote(Request $request, Business $business, Business $account)
    {
        $request->validate([
            'note' => 'required|string|max:5000',
        ]);

        CrmEvent::log(
            sellerBusinessId: $business->id,
            eventType: 'note_added',
            summary: $request->input('note'),
            buyerBusinessId: $account->id,
            userId: auth()->id(),
            channel: 'system'
        );

        return redirect()
            ->route('seller.business.crm.accounts.show', [$business->slug, $account->slug])
            ->with('success', 'Note added successfully.');
    }
}