<?php

namespace App\Http\Controllers;

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

class DashboardController extends Controller
{
    /**
     * Display the dashboard with summary statistics.
     */
    public function index(): View
    {
        $user = auth()->user();

        if ($user && $user->hasRole('pracownik')) {
            $myVehicles = $user->vehicles()->orderBy('brand')->orderBy('model')->get();
            $myAdvances = $user->advances()->with('type')->orderByDesc('date')->orderByDesc('id')->get();

            return view('dashboard', compact('myVehicles', 'myAdvances'));
        }

        $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();

        $vehiclesDueSoon = Vehicle::with('user')
            ->where(function ($query) {
                $query->whereBetween('oc_expiry_date', [now()->startOfDay(), now()->addDays(14)->endOfDay()])
                    ->orWhereBetween('technical_inspection_date', [now()->startOfDay(), now()->addDays(14)->endOfDay()]);
            })
            ->orderBy('oc_expiry_date')
            ->orderBy('technical_inspection_date')
            ->get();

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