<?php

namespace App\Http\Controllers\Admin;

use App\Http\Controllers\Controller;
use App\Models\User;
use Illuminate\Http\Request;

class CustomerController extends Controller
{
    public function index(Request $request)
    {
        $query = User::where('role', 'customer')->withCount('orders');

        if ($request->filled('q')) {
            $query->where(function ($q) use ($request) {
                $q->where('name', 'like', '%'.$request->q.'%')
                  ->orWhere('email', 'like', '%'.$request->q.'%');
            });
        }

        $customers = $query->latest()->paginate(25);
        return view('admin.customers.index', compact('customers'));
    }

    public function show(User $customer)
    {
        abort_if($customer->isAdmin(), 404);

        $customer->load('addresses');

        $orders = $customer->orders()
            ->with('addresses')
            ->latest()
            ->paginate(15);

        $stats = [
            'total_orders'   => $customer->orders()->count(),
            'total_revenue'  => $customer->orders()
                ->whereNotIn('status', ['cancelled'])
                ->sum('total'),
            'open_orders'    => $customer->orders()
                ->whereIn('status', ['new', 'payment_received', 'processing'])
                ->count(),
            'last_order'     => $customer->orders()->latest()->first(),
        ];

        return view('admin.customers.show', compact('customer', 'orders', 'stats'));
    }

    public function toggleApproval(User $customer)
    {
        abort_if($customer->isAdmin(), 403);

        $approving = ! $customer->approved;
        $customer->approved = $approving;

        if ($approving && ! $customer->email_verified_at) {
            $customer->email_verified_at = now();
        }

        $customer->save();

        $status = $approving ? 'freigeschaltet' : 'gesperrt';
        return back()->with('success', "Kunde {$customer->name} wurde {$status}.");
    }

    public function destroy(User $customer)
    {
        abort_if($customer->isAdmin(), 403);
        $customer->delete();
        return redirect()->route('admin.customers.index')->with('success', 'Kunde gelöscht.');
    }
}