using System.Text;
using Kurs.MailQueue.MailGeneration.Models;
using Volo.Abp.DependencyInjection;

namespace Kurs.MailQueue.FileGeneration;

public class TXTFileGenerator : IFileGenerator, ITransientDependency
{
    /// <summary>
    /// TXT icerigi ve delimiter, musteriye ozel oldugundan, burada sabit bir txt 
    /// uretmek yerine, veri tablosunda belirtilen kaydi dosyaya donsturmemiz yeterli
    /// </summary>
    /// <param name="table"></param>
    /// <returns></returns>
    public async Task<byte[]> Generate(MailTemplateTableModel table)
    {
        var sb = new StringBuilder();
        table.TabloDegerleri.ForEach(row =>
            sb.AppendLine(string.Join('\t', table.TabloSutunlari.Select(col => row.GetValueOrDefault(col.SutunAdi)))));

        return await Task.FromResult(Encoding.UTF8.GetBytes(sb.ToString()));
    }
}