using System.Diagnostics;
using System.ServiceProcess;
using SpdUp.Core;
using SpdUp.Models;

namespace SpdUp.Services;

/// <summary>
/// Service management: list, stop, start Windows services.
/// </summary>
public static class ServiceManagementService
{
    /// <summary>
    /// Non-critical services commonly stopped for gaming.
    /// </summary>
    public static readonly Dictionary<string, string> KnownNonCriticalServices = new()
    {
        ["SysMain"]            = "Superfetch / SysMain – pre-loads apps into RAM",
        ["WSearch"]            = "Windows Search indexing",
        ["DiagTrack"]          = "Connected User Experiences and Telemetry",
        ["TabletInputService"] = "Touch Keyboard and Handwriting Panel",
        ["MapsBroker"]         = "Downloaded Maps Manager",
        ["PcaSvc"]             = "Program Compatibility Assistant",
        ["wisvc"]              = "Windows Insider Service",
        ["WbioSrvc"]           = "Windows Biometric Service",
        ["Fax"]                = "Fax service",
        ["XblAuthManager"]     = "Xbox Live Auth Manager",
        ["XblGameSave"]        = "Xbox Live Game Save",
        ["XboxNetApiSvc"]      = "Xbox Live Networking Service",
    };

    public static List<ServiceEntry> GetServiceList(IEnumerable<string> serviceNames)
    {
        var entries = new List<ServiceEntry>();

        foreach (var name in serviceNames)
        {
            try
            {
                using var sc = new ServiceController(name);
                entries.Add(new ServiceEntry
                {
                    ServiceName = sc.ServiceName,
                    DisplayName = sc.DisplayName,
                    Status = sc.Status.ToString(),
                    Description = KnownNonCriticalServices.GetValueOrDefault(name, "")
                });
            }
            catch
            {
                entries.Add(new ServiceEntry
                {
                    ServiceName = name,
                    DisplayName = name,
                    Status = "NotFound"
                });
            }
        }

        return entries;
    }

    public static bool StopService(string serviceName)
    {
        try
        {
            using var sc = new ServiceController(serviceName);
            if (sc.Status == ServiceControllerStatus.Running)
            {
                sc.Stop();
                sc.WaitForStatus(ServiceControllerStatus.Stopped, TimeSpan.FromSeconds(15));
                Logger.Info($"Stopped service: {serviceName}");
                return true;
            }
        }
        catch (Exception ex) { Logger.Error($"Failed to stop {serviceName}", ex); }
        return false;
    }

    public static bool StartService(string serviceName)
    {
        try
        {
            using var sc = new ServiceController(serviceName);
            if (sc.Status == ServiceControllerStatus.Stopped)
            {
                sc.Start();
                sc.WaitForStatus(ServiceControllerStatus.Running, TimeSpan.FromSeconds(15));
                Logger.Info($"Started service: {serviceName}");
                return true;
            }
        }
        catch (Exception ex) { Logger.Error($"Failed to start {serviceName}", ex); }
        return false;
    }
}