<?php

namespace App\Http\Controllers;

use App\Models\User;
use Illuminate\View\View;
use Spatie\Permission\Models\Role;

class DashboardController extends Controller
{
    /**
     * Display the dashboard with summary statistics.
     */
    public function index(): View
    {
        $totalUsers = User::whereNull('deleted_at')->count();
        $adminCount = Role::where('name', 'admin')->exists()
            ? User::role('admin')->whereNull('deleted_at')->count()
            : 0;
        $managerCount = Role::where('name', 'kierownik')->exists()
            ? User::role('kierownik')->whereNull('deleted_at')->count()
            : 0;
        $workerCount = Role::where('name', 'pracownik')->exists()
            ? User::role('pracownik')->whereNull('deleted_at')->count()
            : 0;
        $recentUsers = User::with('advances')
            ->whereNull('deleted_at')
            ->get()
            ->filter(fn (User $user) => (float) $user->advances->sum('amount') < 0)
            ->sortByDesc('created_at')
            ->take(5)
            ->values();
        $lowestAdvanceBalances = User::with('advances')
            ->whereNull('deleted_at')
            ->get()
            ->filter(fn (User $user) => (float) $user->advances->sum('amount') < 0)
            ->sortBy(fn (User $user) => (float) $user->advances->sum('amount'))
            ->take(10)
            ->values();

        return view('dashboard', compact(
            'totalUsers',
            'adminCount',
            'managerCount',
            'workerCount',
            'recentUsers',
            'lowestAdvanceBalances'
        ));
    }
}