<?php

namespace App\Http\Controllers;

use Illuminate\Contracts\View\View;
use RuntimeException;

final class CheckoutController extends Controller
{
    public function __invoke(): View
    {
        $paddle = config('rsync-studio.paddle');
        $token = trim((string) ($paddle['client_side_token'] ?? ''));

        if ($token === '') {
            throw new RuntimeException('PADDLE_CLIENT_SIDE_TOKEN is not configured.');
        }

        $plans = [
            'personal-monthly' => ['name' => 'Personal', 'billing' => 'Monthly', 'display_price' => '£1.99 / month', 'price_id' => $paddle['personal_monthly_price_id'], 'activation_limit' => 1],
            'personal-annual' => ['name' => 'Personal', 'billing' => 'Annual', 'display_price' => '£14.99 / year', 'price_id' => $paddle['personal_annual_price_id'], 'activation_limit' => 1],
            'professional-monthly' => ['name' => 'Professional', 'billing' => 'Monthly', 'display_price' => '£3.99 / month', 'price_id' => $paddle['professional_monthly_price_id'], 'activation_limit' => 3],
            'professional-annual' => ['name' => 'Professional', 'billing' => 'Annual', 'display_price' => '£29.99 / year', 'price_id' => $paddle['professional_annual_price_id'], 'activation_limit' => 3],
        ];

        foreach ($plans as $plan) {
            if (trim((string) $plan['price_id']) === '') {
                throw new RuntimeException('One or more Paddle price IDs are not configured.');
            }
        }

        return view('checkout.buy', [
            'plans' => $plans,
            'paddleToken' => $token,
            'paddleEnvironment' => (string) ($paddle['environment'] ?? 'sandbox'),
        ]);
    }
}