QrRapido/Models/Extensions/PlanExtensions.cs

using System.Collections.Generic;
using System.Linq;

namespace QRRapidoApp.Models.Extensions
{
    public static class PlanExtensions
    {
        public static string GetLocalizedName(this Plan plan, string languageCode)
        {
            if (plan.Name.TryGetValue(languageCode, out var name))
                return name;
            
            // Fallback to Portuguese if language not found
            if (plan.Name.TryGetValue("pt-BR", out var ptName))
                return ptName;
            
            // Final fallback to first available language
            return plan.Name.Values.FirstOrDefault() ?? "Plan";
        }

        public static string GetLocalizedDescription(this Plan plan, string languageCode)
        {
            if (plan.Description.TryGetValue(languageCode, out var description))
                return description;
            
            // Fallback to Portuguese if language not found
            if (plan.Description.TryGetValue("pt-BR", out var ptDescription))
                return ptDescription;
            
            // Final fallback to first available language
            return plan.Description.Values.FirstOrDefault() ?? "Premium plan description";
        }

        public static List<string> GetLocalizedFeatures(this Plan plan, string languageCode)
        {
            if (plan.Features.TryGetValue(languageCode, out var features))
                return features;
            
            // Fallback to Portuguese if language not found
            if (plan.Features.TryGetValue("pt-BR", out var ptFeatures))
                return ptFeatures;
            
            // Final fallback to first available language
            return plan.Features.Values.FirstOrDefault() ?? new List<string>();
        }

        public static string GetLanguageCode(string culture)
        {
            return culture switch
            {
                "pt-BR" or "pt" => "pt-BR",
                "es" or "es-ES" => "es",
                "en" or "en-US" => "en",
                _ => "pt-BR" // Default to Portuguese
            };
        }
    }
}