using System;
using System.IO;
using System.Net.Http;
using System.Runtime.InteropServices;
using Gott.Endpoints;
using Gott.Middleware;
using Gott.Services;
using Microsoft.AspNetCore.Builder;
using Microsoft.Extensions.Configuration;
using Microsoft.Extensions.DependencyInjection;
using Microsoft.Extensions.Hosting;

var builder = WebApplication.CreateBuilder(args);

if (RuntimeInformation.IsOSPlatform(OSPlatform.Windows))
    builder.Services.AddWindowsService();

builder.Services.AddHttpClient();

var dataDir = Path.Combine(AppContext.BaseDirectory, "data");
Directory.CreateDirectory(dataDir);

var dbPath = Path.Combine(dataDir, "gott.db");
var authService = new AuthService(dbPath);
var dbService = new DatabaseService(dbPath);
dbService.EnsureDefaultUser(authService);

builder.Services.AddSingleton(authService);
builder.Services.AddSingleton(dbService);
builder.Services.AddSingleton(new ImageService());
builder.Services.AddSingleton(new StreamingTracker());
builder.Services.AddSingleton(new RemoteConnectionManager());
var memoryService = new MemoryService(dataDir);
var skillService = new SkillService(dataDir);
builder.Services.AddSingleton(memoryService);
builder.Services.AddSingleton(skillService);

// Shared Services
var toolService = new ToolService(builder.Configuration);
builder.Services.AddSingleton(toolService);
var maxHistory = builder.Configuration.GetValue<int>("MaxHistory", 120);
var reminderInterval = builder.Configuration.GetValue<int>("ReminderInterval", 30);
var chatService = new ChatService(dbService, toolService, memoryService, skillService, maxHistory, reminderInterval);
builder.Services.AddSingleton(chatService);

// Embedding-Services (lokal, ONNX)
var embeddingService = new Gott.Services.EmbeddingService();
builder.Services.AddSingleton(embeddingService);
var vectorSearchService = new Gott.Services.VectorSearchService(dbPath, embeddingService);
builder.Services.AddSingleton(vectorSearchService);
var embeddingBgService = new Gott.Services.EmbeddingBackgroundService(vectorSearchService, embeddingService, dbPath);
builder.Services.AddSingleton(embeddingBgService);
builder.Services.AddHostedService(sp => sp.GetRequiredService<Gott.Services.EmbeddingBackgroundService>());

// AnthropicService (Singleton – shared zwischen ChatEndpoint und TelegramService)
// Token wird aus DB geladen (api_keys Tabelle), Fallback auf Config
var anthropicToken = "";
var activeKey = dbService.GetActiveApiKey("anthropic").GetAwaiter().GetResult();
if (activeKey != null)
    anthropicToken = activeKey.ApiKey;
else if (!string.IsNullOrWhiteSpace(builder.Configuration["AnthropicToken"]))
    anthropicToken = builder.Configuration["AnthropicToken"];
var payloadLogging = builder.Configuration.GetValue<bool>("PayloadLogging", false);
var payloadLoggingGzip = builder.Configuration.GetValue<bool>("PayloadLoggingGzip", false);
builder.Services.AddSingleton<AnthropicService>(sp =>
{
    var svc = new AnthropicService(
        sp.GetRequiredService<IHttpClientFactory>(),
        anthropicToken, toolService, dbService, memoryService,
        payloadLogging, payloadLoggingGzip,
        vectorSearch: vectorSearchService,
        embeddingBg: embeddingBgService);
    svc.SetChatService(chatService);
    return svc;
});

// OpenAI-kompatibler Service (Nvidia etc.)
builder.Services.AddSingleton<OpenAiService>(sp =>
    new OpenAiService(sp.GetRequiredService<IHttpClientFactory>(), dbService, sp.GetRequiredService<ToolService>(), builder.Configuration, dataDir));

// Telegram Bot (pro Session – Token aus Session-Config)
var maxIterations = builder.Configuration.GetValue<int>("MaxIterations", 100);
builder.Services.AddSingleton<TelegramService>(sp =>
    new TelegramService(
        sp.GetRequiredService<IHttpClientFactory>(),
        dbService, chatService,
        sp.GetRequiredService<AnthropicService>(),
        maxIterations));

// Krea Image Generation
var kreaToken = builder.Configuration["KreaToken"] ?? "";
builder.Services.AddSingleton(sp =>
    new KreaService(sp.GetRequiredService<IHttpClientFactory>(), kreaToken, dataDir));

// Cronjob-Service (BackgroundService)
builder.Services.AddSingleton<CronjobService>();
builder.Services.AddHostedService<CronjobService>(sp => sp.GetRequiredService<CronjobService>());

// Key-Scanner-Service (BackgroundService mit Timer)
builder.Services.AddSingleton<KeyScannerService>();
builder.Services.AddHostedService<KeyScannerService>(sp => sp.GetRequiredService<KeyScannerService>());

var app = builder.Build();
toolService.SetHttpClientFactory(app.Services.GetRequiredService<IHttpClientFactory>());
app.Services.GetRequiredService<AnthropicService>().SetTelegramService(app.Services.GetRequiredService<TelegramService>());
await app.Services.GetRequiredService<OpenAiService>().LoadModelsAsync();
app.UseWebSockets();
app.UseDefaultFiles();
app.UseStaticFiles();
app.UseMiddleware<AuthMiddleware>();

app.MapAuthEndpoints();
app.MapChatEndpoint();
app.MapHistoryEndpoint();
app.MapSessionEndpoints();
app.MapAgentEndpoints();
app.MapWorkspaceEndpoint();
app.MapInfoEndpoint();
app.MapModelsEndpoint();
app.MapBackupEndpoint();
app.MapSkillEndpoints();
app.MapProfileEndpoints();
app.MapSettingsEndpoints();
app.MapTelegramEndpoints();
app.MapCronjobEndpoints();
app.MapKreaEndpoints();
app.MapSharedEndpoints();
app.MapAdminEndpoints();
app.MapServerSettingsEndpoints();
app.MapApiKeysEndpoints();
app.MapOpenClawEndpoints();
app.MapRemoteEndpoints();

var port = app.Configuration.GetValue<int>("Port", 19000);
app.Run($"http://0.0.0.0:{port}");