<?php

namespace App\Services\CrossApp;

use App\Models\PosSale;
use App\Support\CrmPrefillCodec;
use App\Support\LadillAppUrl;

class CrossAppLinkService
{
    public function invoiceFromSale(PosSale $sale): string
    {
        $sale->loadMissing('lines');

        $lines = $sale->lines->map(fn ($line) => [
            'description' => $line->name,
            'quantity' => (float) $line->quantity,
            'unit_price' => number_format($line->unit_price_minor / 100, 2, '.', ''),
        ])->values()->all();

        $prefill = CrmPrefillCodec::encode([
            'kind' => 'pos_sale',
            'crm_customer_id' => $sale->crm_customer_id,
            'client_name' => $sale->customer_name ?: 'Walk-in customer',
            'client_email' => $sale->customer_email,
            'notes' => 'Receipt for POS sale '.$sale->reference,
            'payment_enabled' => false,
            'lines' => $lines,
        ]);

        return LadillAppUrl::connect('invoice', '/invoices/create?prefill='.urlencode($prefill));
    }
}