<?php

namespace App\Http\Controllers\Web\Dashboard;

use App\Http\Controllers\Controller;
use Illuminate\Http\Request;
use Illuminate\Support\Facades\DB;
use Illuminate\Support\Str;

use App\Models\Pertanian\Petani;
use App\Models\Pertanian\Komoditas;
use App\Models\Pertanian\Lahan;
use App\Models\Pertanian\PendapatanKomoditas;

class DemografiPetaniController extends Controller
{
    public function index(Request $request)
    {
        $totalPetani        = Petani::count();
        $petaniLakilaki     = Petani::where('jenis_kelamin', 1)->count();
        $petaniPerempuan    = Petani::where('jenis_kelamin', 0)->count();
        $totalKomoditas     = Petani::whereNotNull('komoditas_id')
                                ->distinct()
                                ->count('komoditas_id');
        $totalLuasLahan     = Lahan::has('petani')
                                ->sum('luas_lahan');
        $ratarataLuasLahan  = $totalLuasLahan && $totalPetani ? $totalLuasLahan / $totalPetani : 0;

        $umurKurang30 = Petani::whereNotNull('tanggal_lahir')->whereRaw("EXTRACT(YEAR FROM AGE(CURRENT_DATE, tanggal_lahir)) < 30")->count();
        $umur30sampai39 = Petani::whereNotNull('tanggal_lahir')->whereRaw("EXTRACT(YEAR FROM AGE(CURRENT_DATE, tanggal_lahir)) BETWEEN 30 AND 39")->count();
        $umur40sampai49 = Petani::whereNotNull('tanggal_lahir')->whereRaw("EXTRACT(YEAR FROM AGE(CURRENT_DATE, tanggal_lahir)) BETWEEN 40 AND 49")->count();
        $umur50sampai59 = Petani::whereNotNull('tanggal_lahir')->whereRaw("EXTRACT(YEAR FROM AGE(CURRENT_DATE, tanggal_lahir)) BETWEEN 50 AND 59")->count();
        $umur60keatas = Petani::whereNotNull('tanggal_lahir')->whereRaw("EXTRACT(YEAR FROM AGE(CURRENT_DATE, tanggal_lahir)) >= 60")->count();

        $pendidikanCounts = Petani::whereNotNull('pendidikan_terakhir')
            ->select('pendidikan_terakhir', DB::raw('COUNT(*) as total'))
            ->groupBy('pendidikan_terakhir')
            ->pluck('total', 'pendidikan_terakhir');

        $pendidikan = [
            'tidak_sekolah' => (int) ($pendidikanCounts['01_tidak_sekolah'] ?? 0),
            'sd'            => (int) ($pendidikanCounts['02_sd'] ?? 0),
            'smp'           => (int) ($pendidikanCounts['03_smp'] ?? 0),
            'sma'           => (int) ($pendidikanCounts['04_sma'] ?? 0),
            'diploma'       => (int) ($pendidikanCounts['05_diploma'] ?? 0),

            's1_keatas' =>
                (int) ($pendidikanCounts['06_sarjana'] ?? 0) +
                (int) ($pendidikanCounts['07_magister'] ?? 0),
        ];

        $komoditasUtama = Komoditas::query()
            ->whereHas('petani')
            ->withCount('petani')
            ->orderByDesc('petani_count')
            ->get(['id', 'nama']);

        $luasLahanPerPetani = Lahan::has('petani')
            ->select('petani_id')
            ->selectRaw('SUM(luas_lahan) as total_luas')
            ->groupBy('petani_id')
            ->get();

        $luasLahan = [
            'kurang_05' => $luasLahanPerPetani->filter(fn ($item) => $item->total_luas < 5000)->count(),
            '05_1' => $luasLahanPerPetani->filter(fn ($item) => $item->total_luas >= 5000 && $item->total_luas <= 10000)->count(),
            '1_2' => $luasLahanPerPetani->filter(fn ($item) => $item->total_luas > 10000 && $item->total_luas <= 20000)->count(),
            'lebih_2' => $luasLahanPerPetani->filter(fn ($item) => $item->total_luas > 20000)->count(),
        ];

        $pendapatanPerPetani = PendapatanKomoditas::with('sosialEkonomi.petani')->get()
                ->filter(fn ($item) => $item->sosialEkonomi?->petani)
                ->groupBy(fn ($item) => $item->sosialEkonomi->petani_id)
                ->map(fn ($items) => $items->sum('pendapatan'));

        $penghasilan = [
            'kurang_1' => $pendapatanPerPetani->filter(fn ($value) => $value < 1000000)->count(),
            '1_3' => $pendapatanPerPetani->filter(fn ($value) => $value >= 1000000 && $value <= 3000000)->count(),
            '3_5' => $pendapatanPerPetani->filter(fn ($value) => $value > 3000000 && $value <= 5000000)->count(),
            '5_10' => $pendapatanPerPetani->filter(fn ($value) => $value > 5000000 && $value <= 10000000)->count(),
            'lebih_10' => $pendapatanPerPetani->filter(fn ($value) => $value > 10000000)->count(),
        ];

        $data = [
            'total_petani' => $totalPetani,
            'petani_lakilaki' => $petaniLakilaki,
            'petani_perempuan' => $petaniPerempuan,
            'total_komoditas' => $totalKomoditas,
            'total_luas_lahan' => $totalLuasLahan,
            'ratarata_luas_lahan' => $ratarataLuasLahan,
            'kelompok_umur' => [
                'kurang_30' => $umurKurang30,
                '30_39' => $umur30sampai39,
                '40_49' => $umur40sampai49,
                '50_59' => $umur50sampai59,
                '60_keatas' => $umur60keatas,
            ],
            'pendidikan' => $pendidikan,
            'komoditas_utama' => [
                'labels' => $komoditasUtama
                    ->pluck('nama')
                    ->values(),

                'series' => $komoditasUtama
                    ->pluck('petani_count')
                    ->map(fn ($value) => (int) $value)
                    ->values(),
            ],
            'luas_lahan' => $luasLahan,
            'penghasilan' => $penghasilan,
        ];

        $daftarPetani = Petani::with([
                'komoditas'
            ])
            ->withSum('lahans as total_luas_lahan', 'luas_lahan')
            ->orderBy('id')
            ->paginate(10);
        // dd($daftarPetani);
        return view('dashboard.demografi-petani', compact('data', 'daftarPetani'));
    }
}