using Amazon.Runtime;
using Amazon.S3;
using Microsoft.AspNetCore.Http.Features;
using Microsoft.Extensions.Options;
using MudBlazor.Services;
using Pldpro.Web.Components;
using Pldpro.Web.Components.Pages;
using Pldpro.Web.Models;
using Pldpro.Web.Services;
using System.Net.NetworkInformation;
using System.Runtime.Intrinsics.Arm;
using static MudBlazor.CategoryTypes;
using static MudBlazor.Colors;
using System.Net.Http;


var builder = WebApplication.CreateBuilder(args);

// Add MudBlazor services
builder.Services.AddMudServices();

// Add services to the container.
builder.Services.AddRazorComponents()
    .AddInteractiveServerComponents();


// HttpClient-Fabrik für serverseitige Komponenten
builder.Services.AddHttpClient();


// --- S3 / RustFS Settings binding ---
builder.Services.Configure<S3Settings>(builder.Configuration.GetSection("S3"));

// Optional: größere Uploads erlauben (z. B. 512MB)
builder.Services.Configure<FormOptions>(o => { o.MultipartBodyLengthLimit = 512L * 1024 * 1024; });

// IAmazonS3 via DI (lokaler S3-kompatibler Endpoint)
builder.Services.AddSingleton<IAmazonS3>(sp =>
{
    var s = sp.GetRequiredService<IOptions<S3Settings>>().Value;
    var cfg = new Amazon.S3.AmazonS3Config
        {
        ServiceURL = s.ServiceURL,
        ForcePathStyle = s.ForcePathStyle,
        UseHttp = s.UseHttp
        // AuthenticationRegion ist bei Custom-S3 i. d. R. egal
    }
    ;
    var creds = new BasicAWSCredentials(s.AccessKey, s.SecretKey);
        return new AmazonS3Client(creds, cfg);
    });

// Domain-Service
builder.Services.AddScoped<IStorageService, S3StorageService>();

var app = builder.Build();

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

app.UseHttpsRedirection();


app.UseAntiforgery();

app.MapStaticAssets();
app.MapRazorComponents<App>()
    .AddInteractiveServerRenderMode();


// --- Minimal APIs für Storage ---
var storage = app.MapGroup("/api/storage");

// Buckets auflisten
storage.MapGet("/buckets", async (IStorageService svc) =>
{
    var result = await svc.ListBucketsAsync();
        return Results.Ok(result);
    });

// Bucket erstellen
storage.MapPost("/buckets", async (IStorageService svc, S3CreateBucketDto dto) =>
{
        if (string.IsNullOrWhiteSpace(dto.BucketName)) return Results.BadRequest("BucketName required");
    await svc.CreateBucketAsync(dto.BucketName);
        return Results.Ok();
    }).DisableAntiforgery(); // für XHR-POST ohne Token

// Objekte eines Buckets auflisten
storage.MapGet("/buckets/{bucket}/objects", async (IStorageService svc, string bucket) =>
{
    var objects = await svc.ListObjectsAsync(bucket);
        return Results.Ok(objects);
    });

// Datei in Bucket hochladen (Form-Data: file)
storage.MapPost("/buckets/{bucket}/upload", async (HttpRequest req, IStorageService svc, string bucket) =>
{
        if (!req.HasFormContentType) return Results.BadRequest("Multipart/form-data expected");
    var form = await req.ReadFormAsync();
    var file = form.Files["file"];
         if (file is null) return Results.BadRequest("'file' missing");
    
    await using var stream = file.OpenReadStream(); // Streamlimit über FormOptions konfiguriert
    await svc.UploadObjectAsync(bucket, file.FileName, stream, file.ContentType ?? "application/octet-stream");
        return Results.Ok();
    }).DisableAntiforgery(); // für Blazor XHR Upload



app.Run();