using Ryujinx.Common.Logging;
using Ryujinx.HLE.HOS.Ipc;
using Ryujinx.HLE.HOS.Kernel;
using System;
using System.Collections.Generic;

namespace Ryujinx.HLE.HOS.Services.Am
{
    class ISelfController : IpcService
    {
        private Dictionary<int, ServiceProcessRequest> m_Commands;

        public override IReadOnlyDictionary<int, ServiceProcessRequest> Commands => m_Commands;

        private KEvent LaunchableEvent;

        private int IdleTimeDetectionExtension;

        public ISelfController(Horizon System)
        {
            m_Commands = new Dictionary<int, ServiceProcessRequest>()
            {
                { 0,  Exit                                  },
                { 1,  LockExit                              },
                { 2,  UnlockExit                            },
                { 9,  GetLibraryAppletLaunchableEvent       },
                { 10, SetScreenShotPermission               },
                { 11, SetOperationModeChangedNotification   },
                { 12, SetPerformanceModeChangedNotification },
                { 13, SetFocusHandlingMode                  },
                { 14, SetRestartMessageEnabled              },
                { 16, SetOutOfFocusSuspendingEnabled        },
                { 19, SetScreenShotImageOrientation         },
                { 50, SetHandlesRequestToDisplay            },
                { 62, SetIdleTimeDetectionExtension         },
                { 63, GetIdleTimeDetectionExtension         }
            };

            LaunchableEvent = new KEvent(System);
        }

        public long Exit(ServiceCtx Context)
        {
            Logger.PrintStub(LogClass.ServiceAm, "Stubbed.");

            return 0;
        }

        public long LockExit(ServiceCtx Context)
        {
            Logger.PrintStub(LogClass.ServiceAm, "Stubbed.");

            return 0;
        }

        public long UnlockExit(ServiceCtx Context)
        {
            Logger.PrintStub(LogClass.ServiceAm, "Stubbed.");

            return 0;
        }

        public long GetLibraryAppletLaunchableEvent(ServiceCtx Context)
        {
            LaunchableEvent.ReadableEvent.Signal();

            if (Context.Process.HandleTable.GenerateHandle(LaunchableEvent.ReadableEvent, out int Handle) != KernelResult.Success)
            {
                throw new InvalidOperationException("Out of handles!");
            }

            Context.Response.HandleDesc = IpcHandleDesc.MakeCopy(Handle);

            Logger.PrintStub(LogClass.ServiceAm, "Stubbed.");

            return 0;
        }

        public long SetScreenShotPermission(ServiceCtx Context)
        {
            bool Enable = Context.RequestData.ReadByte() != 0 ? true : false;

            Logger.PrintStub(LogClass.ServiceAm, "Stubbed.");

            return 0;
        }

        public long SetOperationModeChangedNotification(ServiceCtx Context)
        {
            bool Enable = Context.RequestData.ReadByte() != 0 ? true : false;

            Logger.PrintStub(LogClass.ServiceAm, "Stubbed.");

            return 0;
        }

        public long SetPerformanceModeChangedNotification(ServiceCtx Context)
        {
            bool Enable = Context.RequestData.ReadByte() != 0 ? true : false;

            Logger.PrintStub(LogClass.ServiceAm, "Stubbed.");

            return 0;
        }

        public long SetFocusHandlingMode(ServiceCtx Context)
        {
            bool Flag1 = Context.RequestData.ReadByte() != 0 ? true : false;
            bool Flag2 = Context.RequestData.ReadByte() != 0 ? true : false;
            bool Flag3 = Context.RequestData.ReadByte() != 0 ? true : false;

            Logger.PrintStub(LogClass.ServiceAm, "Stubbed.");

            return 0;
        }

        public long SetRestartMessageEnabled(ServiceCtx Context)
        {
            bool Enable = Context.RequestData.ReadByte() != 0 ? true : false;

            Logger.PrintStub(LogClass.ServiceAm, "Stubbed.");

            return 0;
        }

        public long SetOutOfFocusSuspendingEnabled(ServiceCtx Context)
        {
            bool Enable = Context.RequestData.ReadByte() != 0 ? true : false;

            Logger.PrintStub(LogClass.ServiceAm, "Stubbed.");

            return 0;
        }

        public long SetScreenShotImageOrientation(ServiceCtx Context)
        {
            int Orientation = Context.RequestData.ReadInt32();

            Logger.PrintStub(LogClass.ServiceAm, "Stubbed.");

            return 0;
        }

        public long SetHandlesRequestToDisplay(ServiceCtx Context)
        {
            bool Enable = Context.RequestData.ReadByte() != 0 ? true : false;

            Logger.PrintStub(LogClass.ServiceAm, "Stubbed.");

            return 0;
        }

        // SetIdleTimeDetectionExtension(u32)
        public long SetIdleTimeDetectionExtension(ServiceCtx Context)
        {
            IdleTimeDetectionExtension = Context.RequestData.ReadInt32();

            Logger.PrintStub(LogClass.ServiceAm, $"Stubbed. IdleTimeDetectionExtension: {IdleTimeDetectionExtension}");

            return 0;
        }

        // GetIdleTimeDetectionExtension() -> u32
        public long GetIdleTimeDetectionExtension(ServiceCtx Context)
        {
            Context.ResponseData.Write(IdleTimeDetectionExtension);

            Logger.PrintStub(LogClass.ServiceAm, $"Stubbed. IdleTimeDetectionExtension: {IdleTimeDetectionExtension}");

            return 0;
        }
    }
}
