<?php

namespace App\Http\Controllers;

use App\Models\Payment;
use Illuminate\Http\Request;
use App\Models\User;
use App\Models\PaymentType;
use App\Models\DetailPayment;
use Inertia\Inertia;
use App\Services\cekDenda;
use App\Services\GenerateMonthlyBill;
use Illuminate\Support\Facades\DB;
use Exception;
use Illuminate\Support\Facades\Log;

class PaymentController extends Controller
{
    public function indexManualPayment(cekDenda $cekDenda, GenerateMonthlyBill $generateMonthlyBill)
    {
        $penalty = $cekDenda->applyPenalty();
        $bill = $generateMonthlyBill->generateAutoBill();

        $paymentType = PaymentType::pluck('payment_type');
        $nominal = PaymentType::pluck('nominal');

        $paymentPenalties = DetailPayment::with('paymentType')
            ->get()
            ->pluck('penalty', 'type_id');

        $santri = User::with([
            'payments.detailPayments.paymentType',
        ])->paginate(2);

        return Inertia::render('list-admin/payment/ManualPayment', [
            'santri' => $santri->items(),
            'penalty' => $penalty,
            'bill' => $bill,
            'fields' => [
                'nis' => 'text',
                'nama' => 'text',
                'status_santri' => 'text',
                'role_santri' => 'text',
            ],
            'options' => [
                'payment_type' => $paymentType,
                'payment_nominal' => $nominal,
                'payment_penalty' => $paymentPenalties
            ]
        ]);
    }

    public function manualPayment(Request $request, $paymentId)
    {
        try {
            DB::beginTransaction();
            DB::enableQueryLog();

            $range = $request->input('range');
            $payment = Payment::find($paymentId);
            $userId = User::findOrFail($request->id);

            if (!$payment) {
                Payment::create([
                    'payment_status' => 'pending',
                    'amount_payment' => 0,
                    'bank' => null,
                    'no_va' => null,
                    'expired_at' => null,
                    'user_id' => $userId
                ]);
            }

            $unpaidDetails = DetailPayment::where('payment_id', $paymentId)
                ->where('status', 'unpaid')
                ->orderBy('payment_year', 'asc')
                ->orderBy('payment_month', 'asc')
                ->get();

            $jumlahUnpaid = $unpaidDetails->count();
            $totalAmount = 0;

            Log::info("Jumlah Unpaid: $jumlahUnpaid | Range: $range");

            if ($jumlahUnpaid > 0) {
                foreach ($unpaidDetails->take($range) as $detail) {
                    $nominal = PaymentType::where('id', $detail->type_id)->value('nominal') ?? 0;
                    $penalty = $detail->penalty ?? 0;
                    $total = $nominal + $penalty;

                    Log::info("Update DetailPayment ID {$detail->id} | Total: $total");

                    $detail->update([
                        'status' => 'paid',
                        'amount' => $total,
                        'penalty' => $penalty,
                    ]);

                    $totalAmount += $total;
                }
            }

            $sisa = max(0, $range - $jumlahUnpaid);
            dd("Sisa pembayaran baru yang perlu dibuat: $sisa");

            if ($sisa > 0) {
                $latestUnpaid = $unpaidDetails->last();
                $bulanTerakhir = $latestUnpaid ? $latestUnpaid->payment_month : now()->month;
                $tahunTerakhir = $latestUnpaid ? $latestUnpaid->payment_year : now()->year;
                $typeId = $latestUnpaid ? $latestUnpaid->type_id : PaymentType::first()->id;
                $nominal = PaymentType::where('id', $typeId)->value('nominal') ?? 0;

                for ($i = 1; $i <= $sisa; $i++) {
                    $bulanTerakhir++;
                    if ($bulanTerakhir > 12) {
                        $bulanTerakhir = 1;
                        $tahunTerakhir++;
                    }

                    $totalAmount += $nominal;

                    Log::info("Buat DetailPayment baru untuk bulan: $bulanTerakhir, tahun: $tahunTerakhir");

                    DetailPayment::create([
                        'payment_id' => $paymentId,
                        'payment_month' => $bulanTerakhir,
                        'payment_year' => $tahunTerakhir,
                        'amount' => $nominal,
                        'penalty' => 0,
                        'status' => 'paid',
                        'type_id' => $typeId,
                    ]);
                }
            }

            $totalAmountFinal = DetailPayment::where('payment_id', $paymentId)->sum('amount');

            Log::info("Total pembayaran akhir: $totalAmountFinal");

            $payment->update([
                'amount_payment' => $totalAmountFinal,
                'payment_status' => DetailPayment::where('payment_id', $paymentId)
                    ->where('status', 'unpaid')
                    ->exists() ? 'pending' : 'success'
            ]);

            Log::info("Update Payment ID $paymentId | amount_payment: $totalAmountFinal");

            DB::commit();

            // dd($request->all());

            return redirect()->back()->with('success', 'Berhasil Melakukan Pembayaran');
        } catch (Exception $e) {
            DB::rollBack();
            return dd('Error:', $e->getMessage());
        }
    }
}