<?php

namespace App\Services;

use App\Cawangan;
use App\Customer;
use App\Gadai;
use App\ShorakaTransaction;
use Illuminate\Validation\ValidationException;

class ShorakaGadaiService
{
    public function gadai(string $kodcaw, string $norujukan): Gadai
    {
        $branch = Cawangan::on('mysql7')->where('kodcaw', $kodcaw)->firstOrFail();
        return app(ShorakaNewGadaiService::class)->find($kodcaw, $norujukan)
            ?? abort(404, 'Maklumat gadaian tidak tersedia. Semakan diperlukan.');
    }

    public function payload(Gadai $gadai): array
    {
        $customer = Customer::on('mysql7')->where(function ($query) use ($gadai) {
            $query->where('kpbaru', $gadai->nokp)->orWhere('kplama', $gadai->nokp);
        })->firstOrFail();
        if (!$customer->nama || $gadai->pinjaman <= 0 || $gadai->hargajualan < $gadai->pinjaman) {
            throw ValidationException::withMessages([
                'norujukan' => 'Nama pelanggan, pembiayaan dan harga jualan mesti lengkap.',
            ]);
        }

        return [
            'norujukan' => $gadai->norujukan,
            'ownership' => $customer->nama,
            'order_amount' => $gadai->pinjaman,
            'murabaha_amount' => $gadai->hargajualan,
            // Both GadaiV1 and GadaiV2 price the contract using upah12.
            // "tempoh" is elapsed charge time, NOT the contractual tenor.
            'tenor_other' => 12,
        ];
    }

    public function transaction(string $kodcaw, string $norujukan)
    {
        $order = ShorakaTransaction::where('norujukan', $norujukan)->first();
        if ($order && (string) $order->kodcaw !== $kodcaw) {
            abort(409, 'Rekod Shoraka tidak dipadankan dengan cawangan ini.');
        }
        return $order;
    }

    public function sync(ShorakaTransaction $order): void
    {
        if (!$order->kodcaw) {
            return;
        }
        app(ShorakaNewGadaiService::class)->promote($order);
        $gadai = $this->gadai($order->kodcaw, $order->norujukan);
        if (!$gadai->exists) {
            return;
        }
        $sameAmounts = number_format((float) $gadai->pinjaman, 2, '.', '') === $order->order_amount
            && number_format((float) $gadai->hargajualan, 2, '.', '') === $order->murabaha_amount;
        $gadai->getConnection()->table('gadai')->where('norujukan', $order->norujukan)->update([
            'tagkomuditi' => $order->status === 'Completed' && $sameAmounts ? 1 : 0,
        ]);
    }

    public function assertCompleted(string $kodcaw, string $norujukan): void
    {
        $gadai = $this->gadai($kodcaw, $norujukan);
        $order = $this->transaction($kodcaw, $norujukan);
        if (!$gadai->exists || !$order || $order->status !== 'Completed'
            || number_format((float) $gadai->pinjaman, 2, '.', '') !== $order->order_amount
            || number_format((float) $gadai->hargajualan, 2, '.', '') !== $order->murabaha_amount) {
            abort(409, 'Pembiayaan dan SAG ditahan sehingga transaksi Shoraka selesai dan amaun sepadan.');
        }
    }
}