<?php

namespace App\Http\Controllers;

use App\Models\Department;
use App\Models\Employee;
use App\Models\Payroll;
use App\Models\Position;
use Illuminate\Http\Request;
use Illuminate\Support\Carbon;
use Inertia\Inertia;

class DashboardController extends Controller
{
    public function index()
    {
        if (auth()->user()->role !== 'admin') {
            return redirect()->route('employee.index');
        }

        $currentPeriod = Carbon::now()->format('Y-m');

        $stats = [
            'total_employees'   => Employee::count(),
            'total_departments' => Department::count(),
            'total_positions'   => Position::count(),
            'payroll_realisasi' => Payroll::where('period', $currentPeriod)
                ->where('status', 'paid')
                ->sum('net_salary'),
        ];

        $genderData = Employee::selectRaw('gender, count(*) as total')
            ->groupBy('gender')
            ->get()
            ->map(fn($item) => [
                'name'  => $item->gender == 'L' ? 'Laki-laki' : 'Perempuan',
                'value' => $item->total,
                'fill'  => $item->gender == 'L' ? '#3b82f6' : '#ec4899',
            ]);

        $deptData = Department::withCount('employees')
            ->having('employees_count', '>', 0)
            ->get()
            ->map(fn($item) => [
                'name'      => $item->name,
                'employees' => $item->employees_count,
            ]);

        $latestEmployees = Employee::with(['department', 'position', 'user'])
            ->latest('join_date')
            ->take(5)
            ->get();

        return Inertia::render('dashboard', [
            'stats'           => $stats,
            'genderData'      => $genderData,
            'deptData'        => $deptData,
            'latestEmployees' => $latestEmployees,
            'currentPeriod'   => $currentPeriod,
        ]);
    }
}