<?php

namespace App\Http\Controllers;

use Illuminate\Http\Request;
use Illuminate\Support\Facades\Auth;
use Illuminate\Support\Facades\Http;
use App\Komoditi;
use PDF;

class KomuditiController extends Controller
{
    public function __construct()
    {
        $this->middleware('auth');
    }

    public function index(){
        $auth_user = Auth::user();
        $api_url = config('api.url');
        $user_name = $auth_user['name'];
        $komoditi = Komoditi::first();
        $min_komoditi = $komoditi['min_komoditi'];
        return view('operasi.komuditi.index',compact('user_name','api_url','min_komoditi'));
    }

    public function cetakRekodKomoditi(){
        $rekod = Http::withOptions(['verify' => config('app.api_verify')])->get(config('api.url') . '/api/komuditi/rekodkomuditi')->json();

        return view('print.laporan_komoditi',compact('rekod'));
    }

    public function rekodKomoditi(Request $request){
        $auth_user = Auth::user();
        $api_url = config('api.url');
        $user_name = $auth_user['name'];
        return view('operasi.komuditi.rekod_transaksi',compact('user_name','api_url'));
    }

    public function printRekodTransaksi(Request $request){
        $tarikh_rekod = $request->tarikh_print;
        $rekod_print = Http::withOptions(['verify' => config('app.api_verify')])->get(config('api.url') . '/api/komoditi/rekod/transaksi',[
            'tarikh' => $request->tarikh_print
        ])->json();

        return view('print.laporan_transaksi_komoditi',compact('rekod_print','tarikh_rekod'));
    }

    public function komoditiUpdate(Request $request){

        $komoditi = Komoditi::first();

        $komoditi->min_komoditi = $request->komoditi_limit;
        $komoditi->save();

        return redirect()->route('komuditi');
    }

    /**
     * Dummy BSAS eCert layout preview (2-page A4).
     */
    public function previewBsasEcert()
    {
        $cert = [
            'ecert_no' => 'CPO13OCT26-0000136-025',
            'seller' => 'KOPERASI PERMODALAN KELANTAN BERHAD',
            'buyer' => 'WAN MOHAMAD AIMAN',
            'bid_no' => '1',
            'report_time' => '13:39:23.751',
            'report_date' => '13 OCTOBER 2026',
            'value_date' => '13 OCTOBER 2026',
            'product' => 'CPO-MSIA-09',
            'unit' => 'Tonnage',
            'volume' => '.72562358',
            'currency' => 'MYR',
            'price' => '5,256.72',
            'price_myr' => '5,256.72',
            'value' => '3,200.00',
            'txn_type' => '-',
            'murabaha' => '3,814.40',
            'lines' => [
                [
                    'supplier' => 'POA RESOURCES BERHAD',
                    'volume' => '.72562358',
                ],
            ],
        ];

        return view('print.bsas_ecert', [
            'cert' => $cert,
            'isDummy' => true,
        ]);
    }

    /**
     * Live BSAS eCert from stored bsas_orders.ecert_response.
     */
    public function showBsasEcert($uuid)
    {
        $response = Http::withOptions(['verify' => config('app.api_verify')])
            ->get(config('api.url') . '/api/komuditi/bsas/order/' . urlencode($uuid) . '/ecert');

        if ($response->status() === 404) {
            abort(404, $response->json('message') ?: 'eCert tidak dijumpai.');
        }

        if (!$response->successful()) {
            abort(502, 'Gagal memuatkan eCert BSAS.');
        }

        $payload = $response->json();
        $ecert = $payload['ecert'] ?? null;

        if (!is_array($ecert) || empty($ecert)) {
            abort(404, 'eCert belum tersedia untuk order ini.');
        }

        return view('print.bsas_ecert', [
            'cert' => $this->mapBsasEcertToView($ecert, $payload),
            'isDummy' => false,
        ]);
    }

    /**
     * Map stored otcXML / eCert JSON into print view fields.
     */
    protected function mapBsasEcertToView(array $ecert, array $orderMeta = []): array
    {
        $reporting = trim((string) ($ecert['REPORTINGTIMEDATE'] ?? ''));
        $reportTime = '-';
        $reportDate = '-';
        if ($reporting !== '') {
            $parts = explode(' ', $reporting, 2);
            $reportTime = $parts[0] ?? '-';
            $reportDate = isset($parts[1]) ? strtoupper($parts[1]) : '-';
        }

        $lines = [];
        foreach (($ecert['LINE'] ?? []) as $line) {
            if (!is_array($line)) {
                continue;
            }
            $lines[] = [
                'supplier' => $line['SUPPLIER'] ?? '-',
                'volume' => $line['VOLUME'] ?? ($ecert['PVOLUME'] ?? '-'),
            ];
        }

        if (empty($lines)) {
            $lines[] = [
                'supplier' => '-',
                'volume' => $ecert['PVOLUME'] ?? '-',
            ];
        }

        return [
            'ecert_no' => $ecert['ECERTNO'] ?? ($orderMeta['e_cert_no'] ?? '-'),
            'seller' => $ecert['SELLER'] ?? 'KOPERASI PERMODALAN KELANTAN BERHAD',
            'buyer' => $ecert['BUYER'] ?? ($orderMeta['otc_counter_party'] ?? '-'),
            'bid_no' => $orderMeta['serial_number'] ?? '1',
            'report_time' => $reportTime,
            'report_date' => $reportDate,
            'value_date' => isset($ecert['VALUEDATE']) ? strtoupper((string) $ecert['VALUEDATE']) : '-',
            'product' => $ecert['PNAME'] ?? ($orderMeta['product_code'] ?? '-'),
            'unit' => 'Tonnage',
            'volume' => $ecert['PVOLUME'] ?? '-',
            'currency' => $ecert['CURRENCY'] ?? 'MYR',
            'price' => $ecert['PRICE'] ?? '-',
            'price_myr' => $ecert['PRICE_MYR_EQUIVALENT'] ?? ($ecert['PRICE'] ?? '-'),
            'value' => $ecert['TOTALVALUE'] ?? '-',
            'txn_type' => '-',
            'murabaha' => $ecert['MURABAHAVALUE'] ?? ($orderMeta['otc_murabaha_value'] ?? '-'),
            'lines' => $lines,
        ];
    }
}