<?php

namespace App\Http\Controllers;

use App\Models\Treatment;
use App\Models\Medicine;
use Illuminate\Support\Facades\DB;
use Carbon\Carbon;

class MedicalDashboardController extends Controller
{
    public function index()
    {
        // 1. Tren Penyakit Bulanan (Data 6 Bulan Terakhir)
        $monthlyTrends = Treatment::select(
            DB::raw('MONTHNAME(tanggal) as month'),
            DB::raw('COUNT(*) as total')
        )
            ->where('tanggal', '>=', now()->subMonths(6))
            ->groupBy('month', DB::raw('MONTH(tanggal)'))
            ->orderBy(DB::raw('MONTH(tanggal)'))
            ->get();

        // 2. Daftar Obat Paling Sering Digunakan (Top 5)
        $topMedicines = Treatment::select('nama_obat', DB::raw('SUM(qty_used) as total_used'))
            ->groupBy('nama_obat')
            ->orderByDesc('total_used')
            ->take(5)
            ->get();

        // 3. Keluhan/Penyakit yang Paling Sering Muncul
        $topComplaints = Treatment::select('keluhan', DB::raw('COUNT(*) as total'))
            ->groupBy('keluhan')
            ->orderByDesc('total')
            ->take(5)
            ->get();

        return view('pages.dashboard.medical', compact('monthlyTrends', 'topMedicines', 'topComplaints'));
    }
}