FrontOffice/src/FrontOffice.Main/Program.cs

using FluentValidation;
using FrontOffice.Main.Utilities;
using FrontOffice.Main.Utilities.Seo;
using System.Net;
using FrontOffice.Main.Utilities.Pdf;

var builder = WebApplication.CreateBuilder(args);

// Add services to the container.
builder.Services.AddRazorPages();
builder.Services.AddServerSideBlazor();

#region AddCommonServices

builder.Services.AddCommonServices();
builder.Services.Configure<SeoSettings>(builder.Configuration.GetSection(SeoSettings.SectionName));
builder.Services.AddSingleton<MainService>();

#endregion
#region AddGrpcServices

builder.Services.AddGrpcServices(builder.Configuration);

#endregion
#region FluentValidation

ValidatorOptions.Global.LanguageManager = new CustomFluentValidationLanguageManager();

#endregion
var appSettings = builder.Configuration.Get<AppSettings>();
if (!string.IsNullOrWhiteSpace(appSettings?.DownloadUrl))
{
    UrlUtility.DownloadUrl = appSettings.DownloadUrl;
}
else
{
    UrlUtility.DownloadUrl = string.Empty; // fallback to empty
}

builder.Services.Configure<EncryptionSettings>(builder.Configuration.GetSection("EncryptionSettings"));
builder.Services.AddSingleton<MobileNumberEncryptor>();

var webApp = builder.Build();

// Configure the HTTP request pipeline.
if (!webApp.Environment.IsDevelopment())
{
    webApp.UseExceptionHandler("/Error");
    // The default HSTS value is 30 days. You may want to change this for production scenarios, see https://aka.ms/aspnetcore-hsts.
    webApp.UseHsts();
}

webApp.UseHttpsRedirection();

webApp.UseStaticFiles();

webApp.UseRouting();

webApp.MapBlazorHub();

webApp.MapGet("/sitemap.xml", async (SitemapGenerator sitemapGenerator, CancellationToken cancellationToken) =>
{
    var bytes = await sitemapGenerator.GenerateBytesAsync(cancellationToken);
    return Results.File(bytes, "application/xml; charset=utf-8");
});

// Legacy URLs from old site / common e-commerce paths — redirect to homepage
webApp.MapGet("/wishlist", () => Results.Redirect("/", permanent: true));
webApp.MapGet("/wishlist/", () => Results.Redirect("/", permanent: true));

webApp.MapFallbackToPage("/_Host");


webApp.MapGet("/contract/generate",async (string html, string? fileName, IChromiumPdfService pdfService)  =>
{
    var decoded = WebUtility.UrlDecode(html);
    var safeName = string.IsNullOrWhiteSpace(fileName) ? "contract" : fileName.Trim();
    var bytes =await pdfService.GeneratePdfAsync(decoded, safeName);
    return Results.File(bytes, "application/pdf", safeName + ".pdf");
});

// Support large HTML via POST (body) to avoid URL length limits
webApp.MapPost("/contract/generate", async (ContractPdfRequest req, IChromiumPdfService pdfService) =>
{
    if (string.IsNullOrWhiteSpace(req.Html)) return Results.BadRequest("Empty html");
    var safeName = string.IsNullOrWhiteSpace(req.FileName) ? "contract" : req.FileName.Trim();
    var bytes = await pdfService.GeneratePdfAsync(req.Html, safeName);
    return Results.File(bytes, "application/pdf", safeName + ".pdf");
});

webApp.Run();
public sealed record ContractPdfRequest(string Html, string? FileName);



public class AppSettings
{
    public required string DownloadUrl { get; set; }
}
public class EncryptionSettings
{
    public required string Key { get; set; }
    public required string IV { get; set; }
}