using System;
using System.Net.Http;
using System.Text;
using System.Text.Json;
using System.Threading.Tasks;

namespace Deploymentcenter.TestClient;

class Program
{
    private static readonly string BaseUrl = "https://dc.mhdf.de";
    private static readonly HttpClient Client = new HttpClient(new HttpClientHandler
    {
        ServerCertificateCustomValidationCallback = (message, cert, chain, errors) => true
    });

    static async Task Main(string[] args)
    {
        Console.OutputEncoding = Encoding.UTF8;
        Console.ForegroundColor = ConsoleColor.Cyan;
        Console.WriteLine("=================================================");
        Console.WriteLine(" 🚀 Deploymentcenter Unified Client Test Suite   ");
        Console.WriteLine("=================================================");
        Console.ResetColor();
        Console.WriteLine($" Server Base URL: {BaseUrl}\n");

        await TestLicenseModuleAsync();
        await TestWatchdogModuleAsync();
        await TestUpdateServiceModuleAsync();

        Console.ForegroundColor = ConsoleColor.Green;
        Console.WriteLine("\n[✔] Alle Systemprüfungen erfolgreich abgeschlossen!");
        Console.ResetColor();
    }

    private static async Task TestLicenseModuleAsync()
    {
        Console.ForegroundColor = ConsoleColor.Yellow;
        Console.WriteLine("1. Teste Module: Lizenzen (License Validation)...");
        Console.ResetColor();

        try
        {
            var payload = new
            {
                product = "myapp",
                license_key = "LLAB1-98A72-B3C4D-5E6F7-89012",
                hardware_id = "HWID-TEST-CLI-CSHARP-01",
                nonce = Guid.NewGuid().ToString("N"),
                hostname = Environment.MachineName,
                app_version = "1.0.0"
            };

            string json = JsonSerializer.Serialize(payload);
            var content = new StringContent(json, Encoding.UTF8, "application/json");

            HttpResponseMessage response = await Client.PostAsync($"{BaseUrl}/api/license/v1/validate", content);
            string responseBody = await response.Content.ReadAsStringAsync();

            Console.WriteLine($"   HTTP Status: {(int)response.StatusCode} {response.StatusCode}");
            Console.WriteLine($"   Response Payload:\n   {responseBody.Replace("\n", "\n   ")}");

            if (response.IsSuccessStatusCode && responseBody.Contains("\"status\": \"valid\""))
            {
                Console.ForegroundColor = ConsoleColor.Green;
                Console.WriteLine("   ✔ Lizenzen Modul Test: GÜLTIG!");
            }
            else
            {
                Console.ForegroundColor = ConsoleColor.Red;
                Console.WriteLine("   ✖ Lizenzen Modul Test: Fehler oder Ungültig!");
            }
        }
        catch (Exception ex)
        {
            Console.ForegroundColor = ConsoleColor.Red;
            Console.WriteLine($"   ✖ Fehler beim Lizenzen-Test: {ex.Message}");
        }
        Console.ResetColor();
        Console.WriteLine();
    }

    private static async Task TestWatchdogModuleAsync()
    {
        Console.ForegroundColor = ConsoleColor.Yellow;
        Console.WriteLine("2. Teste Module: Watchdog (Heartbeat Ping)...");
        Console.ResetColor();

        try
        {
            var payload = new
            {
                source = "srv-db-01",
                instance = "default",
                type = "heartbeat",
                status = "ok",
                message = "C# Client Test Suite running smoothly",
                interval = 60,
                group = "TestRunner",
                os = Environment.OSVersion.ToString()
            };

            string json = JsonSerializer.Serialize(payload);
            var content = new StringContent(json, Encoding.UTF8, "application/json");

            var request = new HttpRequestMessage(HttpMethod.Post, $"{BaseUrl}/api/watchdog/v1/ping")
            {
                Content = content
            };
            request.Headers.Add("X-Agent-Token", "wd_live_token_infra_01_secure");

            HttpResponseMessage response = await Client.SendAsync(request);
            string responseBody = await response.Content.ReadAsStringAsync();

            Console.WriteLine($"   HTTP Status: {(int)response.StatusCode} {response.StatusCode}");
            Console.WriteLine($"   Response Payload:\n   {responseBody.Replace("\n", "\n   ")}");

            if (response.IsSuccessStatusCode)
            {
                Console.ForegroundColor = ConsoleColor.Green;
                Console.WriteLine("   ✔ Watchdog Modul Test: ERFOLGREICH!");
            }
            else
            {
                Console.ForegroundColor = ConsoleColor.Red;
                Console.WriteLine("   ✖ Watchdog Modul Test: FEHLER!");
            }
        }
        catch (Exception ex)
        {
            Console.ForegroundColor = ConsoleColor.Red;
            Console.WriteLine($"   ✖ Fehler beim Watchdog-Test: {ex.Message}");
        }
        Console.ResetColor();
        Console.WriteLine();
    }

    private static async Task TestUpdateServiceModuleAsync()
    {
        Console.ForegroundColor = ConsoleColor.Yellow;
        Console.WriteLine("3. Teste Module: UpdateService (Release Check)...");
        Console.ResetColor();

        try
        {
            HttpResponseMessage response = await Client.GetAsync($"{BaseUrl}/api/updateservice/v1/check?product=myapp&version=1.0.0");
            string responseBody = await response.Content.ReadAsStringAsync();

            Console.WriteLine($"   HTTP Status: {(int)response.StatusCode} {response.StatusCode}");
            Console.WriteLine($"   Response Payload:\n   {responseBody.Replace("\n", "\n   ")}");

            if (response.IsSuccessStatusCode)
            {
                Console.ForegroundColor = ConsoleColor.Green;
                Console.WriteLine("   ✔ UpdateService Modul Test: ERFOLGREICH!");
            }
            else
            {
                Console.ForegroundColor = ConsoleColor.Red;
                Console.WriteLine("   ✖ UpdateService Modul Test: FEHLER!");
            }
        }
        catch (Exception ex)
        {
            Console.ForegroundColor = ConsoleColor.Red;
            Console.WriteLine($"   ✖ Fehler beim UpdateService-Test: {ex.Message}");
        }
        Console.ResetColor();
        Console.WriteLine();
    }
}