<?php

namespace App\Http\Controllers;

use App\Models\MiniPayment;
use App\Models\QrCode;
use Illuminate\Http\JsonResponse;
use Illuminate\Http\Request;
use Illuminate\View\View;

class SearchController extends Controller
{
    public function __invoke(Request $request): JsonResponse|View
    {
        $q = trim((string) $request->query('q'));
        $results = mb_strlen($q) >= 2 ? $this->results($q) : [];

        if ($request->expectsJson() || $request->ajax() || $request->wantsJson()) {
            return response()->json(['results' => $results]);
        }

        return view('search.index', [
            'query' => $q,
            'results' => $results,
        ]);
    }

    /** @return list<array{type: string, title: string, subtitle: string, url: string}> */
    private function results(string $q): array
    {
        $account = ladill_account();
        $like = '%'.$q.'%';

        $qrIds = $account->qrCodes()
            ->where('type', QrCode::TYPE_PAYMENT)
            ->pluck('id');

        if ($qrIds->isEmpty()) {
            return [];
        }

        return MiniPayment::query()
            ->whereIn('qr_code_id', $qrIds)
            ->with('qrCode')
            ->where(function ($query) use ($like) {
                $query->where('payer_name', 'like', $like)
                    ->orWhere('payer_email', 'like', $like)
                    ->orWhere('payer_note', 'like', $like)
                    ->orWhere('reference', 'like', $like)
                    ->orWhere('payment_reference', 'like', $like)
                    ->orWhereHas('qrCode', fn ($qr) => $qr->where('label', 'like', $like));
            })
            ->latest('created_at')
            ->limit(15)
            ->get()
            ->map(function (MiniPayment $payment): array {
                $amount = number_format(
                    ($payment->status === MiniPayment::STATUS_PAID ? $payment->merchant_amount_minor : $payment->amount_minor) / 100,
                    2,
                );

                return [
                    'type' => 'payment',
                    'title' => $payment->payer_name ?: 'Walk-in customer',
                    'subtitle' => 'GHS '.$amount.' · '.($payment->qrCode?->label ?? 'Payment QR').' · '.ucfirst($payment->status),
                    'url' => route('mini.payments.index', ['q' => $payment->reference]),
                ];
            })
            ->all();
    }
}