using Assets.Scripts.Ble.Scan;
using Assets.Scripts.Ble.Win;
using Assets.Scripts.Devices.Ant;
using Assets.Scripts.Devices.Ble;
using Assets.Scripts.Devices.Ble.Interfaces;
using Assets.Scripts.Devices.Ble.Win;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using UnityEngine;

namespace Assets.Scripts.Ble
{
    public sealed class BleWinHwInterface: IBleWinHwInterface
    {
        private static BleWinHwInterface hwInterface;
        private WclBleMainThread wclBleMainThread;

        private Dictionary<string, BleAdvertisementInfo> _pCache;
        public Dictionary<string, BleAdvertisementInfo> pCache
        {
            get
            {
                if (_pCache == null)
                {
                    _pCache = new Dictionary<string, BleAdvertisementInfo>();
                }
                return _pCache;
            }
            set { _pCache = value; }
        }
        private Action<BleAdvertisementInfo> _discoveredCallback;

        private Dictionary<BlePeripheralInfo, Action<BleWinHwInterface, BlePeripheralInfo, BleResponse>> callbacks = new Dictionary<BlePeripheralInfo, Action<BleWinHwInterface, BlePeripheralInfo, BleResponse>>();
        private Dictionary<BlePeripheralInfo, Action<BleWinHwInterface, BlePeripheralInfo, BleResponse<List<BleServiceInfo>>>> servicesCallbacks = new Dictionary<BlePeripheralInfo, Action<BleWinHwInterface, BlePeripheralInfo, BleResponse<List<BleServiceInfo>>>>();
        //private Dictionary<BlePeripheralInfo, Action<BleWinHwInterface, BleServiceInfo, BleResponse<List<BleCharacteristicInfo>>>> characteristicsCallbacks = new Dictionary<BlePeripheralInfo, Action<BleWinHwInterface, BleServiceInfo, BleResponse<List<BleCharacteristicInfo>>>>();
        private Dictionary<BlePeripheralInfo, Action<BleWinHwInterface, BleCharacteristicInfo, BleResponse>> characteristicNotificationCallbacks = new Dictionary<BlePeripheralInfo, Action<BleWinHwInterface, BleCharacteristicInfo, BleResponse>>();
        private Dictionary<BleCharacteristicInfo, CharacteristicReadCallback> characteristicReadCallbacks = new Dictionary<BleCharacteristicInfo, CharacteristicReadCallback>();
        private Dictionary<BleServiceInfo, CharacteristicsDiscoveredCallback> characteristicsDiscoveredCallbacks = new Dictionary<BleServiceInfo, CharacteristicsDiscoveredCallback>();

        private Dictionary<BlePeripheralInfo, Action> disconnectedCallback = new Dictionary<BlePeripheralInfo, Action>();

        private CharacteristicReadCallback characteristicReadEvent;
        public event CharacteristicReadCallback CharacteristicReadEvent
        {
            add
            {
                this.characteristicReadEvent += value;
            }
            remove
            {
                this.characteristicReadEvent -= value;
            }
        }


        private BluetoothStateChangedCallback bluetoothStateChanged;
        public event BluetoothStateChangedCallback BluetoothStateChangedEvent
        {
            add
            {
                this.bluetoothStateChanged += value;
            }
            remove
            {
                this.bluetoothStateChanged -= value;
            }
        }
       
        private BleState nativeState;
        public BleState BleState
        {
            get
            {
                return this.nativeState;
            }
            set
            {
                if(this.nativeState != value)
                {
                    this.nativeState = value;
                    this.bluetoothStateChanged?.Invoke(this, this.nativeState);
                }
            }
        }

        private PeripheralDisconnectedCallback peripheralDisconnectedEvent;
        public event PeripheralDisconnectedCallback PeripheralDisconnectedEvent
        {
            add
            {
                this.peripheralDisconnectedEvent += value;
            }
            remove
            {
                this.peripheralDisconnectedEvent -= value;
            }
        }

        private BleWinHwInterface()
        {
            wclBleMainThread = new WclBleMainThread();            
            wclBleMainThread.ManagerStatusChanged += ManagerStatusChanged;
            wclBleMainThread.ScanInfoReceived += WatcherScanInfoReceived;
            //wclBleMainThread.gatt
            wclBleMainThread.Start();

        }

        private void WatcherScanInfoReceived(WclBleMainThread sender, long address, string name, int rssi, CPPBridge.WclBleAdvertisementType packetType, Guid? service)
        {
            //if(address != 224160707349234)
            //{
            //return;
            //}
            //Debug.Log($"address:{ address }, name:{ name }, service:{ (service == null ? "" : service.Value.ToString()) }");
          
            SensorType sensor = SensorType.None;
            List<Guid> services = new List<Guid>();
            if (service != null)
            {                    
                services = new List<Guid> { service.Value };
                foreach(var item in ServiceUuids.Services)
                {
                    if(item.IdGuid != service.Value)
                    {
                        continue;
                    }
                    if(item.IdByteArray == ServiceUuids.Ftms)
                    {
                        sensor = SensorType.Trainer;
                    }
                    else if(item.IdByteArray == ServiceUuids.HeartRate)
                    {
                        sensor = SensorType.HeartRate;
                    }
                    else if(item.IdByteArray == ServiceUuids.CyclingPower)
                    {
                        sensor = SensorType.Power;
                        //sensor = SensorType.Trainer;
                    }
                    else if(item.IdByteArray == ServiceUuids.CyclingSpeedCadence)
                    {
                        sensor = SensorType.SpeedCadence;
                    }
                    else if(item.IdByteArray == ServiceUuids.TacxBle)
                    {
                        sensor = SensorType.Trainer;
                    }
                }
            };
            var addressStr = address.ToString("X12");
            if (!pCache.ContainsKey(addressStr))
            {
                var device = new BleAdvertisementInfo(new WinBlePeripheralInfo(addressStr, name), rssi, true, services, null, sensor);
                pCache.Add(addressStr, device);

                //WclBleGattThread gattClient = this.SetUpGattClient(device.Peripheral);
                //this.ConnectInternal(gattClient);
            }
            if (!string.IsNullOrWhiteSpace(name))
            {
                (pCache[addressStr].Peripheral as WinBlePeripheralInfo).SetName(name);
            }
            if(sensor == SensorType.None)
            {
                return;
            }
            pCache[addressStr].SensorType = sensor;
            pCache[addressStr].Rssi = rssi;
            //Debug.Log(sensor);
            //pCache[address.ToString()].SensorType = sensor;
  
                foreach (var item in services)
                {
                    pCache[addressStr].TryAddService(item);
                }
            
            pCache[addressStr].Index++;
            if(pCache[addressStr].SensorType == SensorType.Power && pCache[addressStr].Services.Any(s=> s.Equals(ServiceUuids.Get(ServiceUuids.TacxBle).IdGuid)))
            {
                pCache[addressStr].SensorType = SensorType.Trainer;
                //Debug.Log("纠正为trainer, "+ pCache[address.ToString()].Index);
            }
            

            if (pCache[addressStr].SensorType == SensorType.Power)
            {
                if (pCache[addressStr].Index > 4)
                {
                    _discoveredCallback?.Invoke(pCache[addressStr]);
                }
            }
            else if(pCache[addressStr].SensorType != SensorType.None)
            {
                _discoveredCallback?.Invoke(pCache[addressStr]);
            }
        }

        private WclBleGattThread SetUpGattClient(BlePeripheralInfo peripheral)
        {
            WclBleGattThread wclBleGattThread = this.wclBleMainThread.CreateGattThread(peripheral);
            wclBleGattThread.GattConnected += this.GattConnected;
            wclBleGattThread.GattDisconnected += this.GattDisconnected;
            wclBleGattThread.GattServicesDiscovered += this.GattServicesDiscovered;
            wclBleGattThread.GattCharacteristicsDiscovered += this.GattCharacteristicsDiscovered;
            wclBleGattThread.GattCharacteristicSubscribed += this.GattCharacteristicSubscribed;
            wclBleGattThread.GattCharacteristicRead += this.GattCharacteristicRead;
            wclBleGattThread.GattCharacteristicWrote += this.GattCharacteristicWrote;
            wclBleGattThread.GattCharacteristicChanged += this.GattCharacteristicChanged;
            wclBleGattThread.Start();
            return wclBleGattThread;
        }

        public void ConnectPeripheral(BlePeripheralInfo info, Action<IBleWinHwInterface, BlePeripheralInfo, BleResponse> callback)
        {
            this.callbacks.Add(info, callback);
            WclBleGattThread wclBleGattThread = this.wclBleMainThread.GetGattThread(info);
            
            if(wclBleGattThread == null)
            {
                
                wclBleGattThread = this.SetUpGattClient(info);
                this.ConnectInternal(wclBleGattThread);
                return;
            }
            else
            {
                this.ConnectInternal(wclBleGattThread);
            }
        }

        private void ConnectInternal(WclBleGattThread gattClient)
        {
            //Task.Run(() =>
            //{
                int num = gattClient.Connect();
                Debug.Log("连接设备返回" + num);

                
            //});
        }

        public void DisconnectPeripheral(BlePeripheralInfo peripheral, Action callback)
        {
            var gattThread = this.wclBleMainThread.GetGattThread(peripheral);
            if(gattThread != null && gattThread.CanLoadWork)
            {
                this.callbacks.Remove(peripheral);
                this.servicesCallbacks.Remove(peripheral);
                this.characteristicNotificationCallbacks.Remove(peripheral);

                this.disconnectedCallback.Add(peripheral, callback);
                gattThread.Discounect();
            }
        }


        public static BleWinHwInterface GetInterface()
        {
            if(hwInterface == null)
            {
                hwInterface = new BleWinHwInterface();
            }

            return hwInterface;
        }

        public void StartScan(Action<BleAdvertisementInfo> discoveredCallBack)
        {
            pCache.Clear();
            _discoveredCallback = discoveredCallBack;
            this.wclBleMainThread.StartWatcher();
        }

        private void ManagerStatusChanged(WclBleMainThread sender, WclBleManagerStatus status)
        {
            this.BleState = BleWinHwInterface.StateFromNativeState(status);
            //Debug.Log("win hw:" + status);

        }

        private void GattConnected(WclBleGattThread gattClient, BleResponse response)
        {
            Debug.Log($"gatt connected { response.ToString() }");
            if (!response.IsSuccess)
            {
                gattClient.Stop();

                this.callbacks[gattClient.Peripheral].Invoke(this, gattClient.Peripheral, response);
                this.callbacks.Remove(gattClient.Peripheral);
                return;
            }
            this.callbacks[gattClient.Peripheral].Invoke(this, gattClient.Peripheral, response);
            this.callbacks.Remove(gattClient.Peripheral);
        }

        private void CleanUpPeripheral(BlePeripheralInfo peripheralInfo)
        {
            //this.callbacks.Clear()
        }

        private void GattDisconnected(WclBleGattThread gattClient, BleResponse response)
        {
            Debug.Log($"gatt disconnected { gattClient.Peripheral.Name }");
            
            this.callbacks.Remove(gattClient.Peripheral);
            this.servicesCallbacks.Remove(gattClient.Peripheral);
            this.characteristicNotificationCallbacks.Remove(gattClient.Peripheral);
            //App.MainDeviceAdapter.PrintStatus();

            var manualDisconnect = disconnectedCallback.ContainsKey(gattClient.Peripheral);
            this.peripheralDisconnectedEvent(this, gattClient.Peripheral, response, manualDisconnect);

            //App.MainDeviceAdapter.PrintStatus();
            if (disconnectedCallback.ContainsKey(gattClient.Peripheral))
            {
                disconnectedCallback[gattClient.Peripheral].Invoke();
                disconnectedCallback.Remove(gattClient.Peripheral);
            }
            //this.pCache.Remove(gattClient.Peripheral.Address);



        }
        private void GattServicesDiscovered(WclBleGattThread gattClient, BleResponse<List<BleServiceInfo>> response)
        {
            //Debug.Log("services discovered");
            //this.callbacks[gattClient.Peripheral].Invoke(this, gattClient.Peripheral, response);

            //foreach (var item in response.Data)
            //{
            //    Debug.Log(item.ToString());
            //}

            if (this.servicesCallbacks.ContainsKey(gattClient.Peripheral))
            {
                this.servicesCallbacks[gattClient.Peripheral].Invoke(this, gattClient.Peripheral, response);
            }
        }

        private void GattCharacteristicsDiscovered(WclBleGattThread gattClient, BleServiceInfo service, BleResponse<List<BleCharacteristicInfo>> response)
        {
            //Debug.Log("characteristics discovered");

            if (this.characteristicsDiscoveredCallbacks.ContainsKey(service))
            {
                this.characteristicsDiscoveredCallbacks[service].Invoke(this, service, response);
            }
        }

        private void GattCharacteristicSubscribed(WclBleGattThread gattClient, BleCharacteristicInfo characteristic, BleResponse response)
        {
            //Debug.Log("characteristics subscribed");
            if (this.characteristicNotificationCallbacks.ContainsKey(gattClient.Peripheral))
            {
                this.characteristicNotificationCallbacks[gattClient.Peripheral].Invoke(this, characteristic, response);
            }
        }
        private void GattCharacteristicRead(WclBleGattThread gattClient, BleCharacteristicInfo characteristic, BleResponse<byte[]> response)
        {
            Debug.Log("characteristic read");

            if (this.characteristicReadCallbacks.ContainsKey(characteristic))
            {
                this.characteristicReadCallbacks[characteristic].Invoke(this, characteristic, response);
                this.characteristicReadCallbacks.Remove(characteristic);
            }

            this.characteristicReadEvent.Invoke(this, characteristic, response);
        }

        private void GattCharacteristicWrote(WclBleGattThread gattClient, BleCharacteristicInfo characteristic, BleResponse<BleCharacteristicWriteType> response)
        {
            Debug.Log("characteristic wrote");
        }
        private void GattCharacteristicChanged(WclBleGattThread gattClient, BleCharacteristicInfo characteristic, BleResponse<byte[]> response)
        {
            //Debug.Log("characteristic changed");
            if(this.wclBleMainThread.GetGattThread(characteristic.Peripheral) != null)
            {
                this.characteristicReadEvent.Invoke(this, characteristic, response);
            }
        }

        public void DiscoverServices(BlePeripheralInfo peripheral, Action<IBleWinHwInterface, BlePeripheralInfo, BleResponse<List<BleServiceInfo>>> callback)
        {
            WclBleGattThread gattThread = this.wclBleMainThread.GetGattThread(peripheral);
            if(gattThread == null)
            {
                return;
            }

            this.servicesCallbacks.Add(peripheral, callback);
            int num = gattThread.DiscoverServices();
            if (WclBleErrors.IsSuccessCode(num))
            {
                return;
            }

            
            BleResponse<List<BleServiceInfo>> response = new BleResponse<List<BleServiceInfo>>
            {
                IsSuccess = false,
                Error = new BleHwInterfaceError(new int?(num), "WclBleGattClientErrorDomain", string.Format("Error discovering services - {0}", num))
            };
            this.GattServicesDiscovered(gattThread, response);
        }

        public void DiscoverCharacteristic(BleServiceInfo service, CharacteristicsDiscoveredCallback callback)
        {
            WclBleGattThread gattThread = this.wclBleMainThread.GetGattThread(service.Peripheral);
            if(gattThread == null)
            {
                return;
            }
            if (!this.characteristicsDiscoveredCallbacks.ContainsKey(service))
            {
                this.characteristicsDiscoveredCallbacks.Add(service, callback);
            }
            int num = gattThread.DiscoverCharacteristics(service);
            if (WclBleErrors.IsSuccessCode(num))
            {
                return;
            }
            BleResponse<List<BleCharacteristicInfo>> response = new BleResponse<List<BleCharacteristicInfo>>
            {
                IsSuccess = false,
                Error = new BleHwInterfaceError(new int?(num), "WclBleGattClientErrorDomain", string.Format("Error discovering characteristics - {0}", num))
            };
            this.GattCharacteristicsDiscovered(gattThread, service, response);
        }

        public void SubscribeCharacteristic(BleCharacteristicInfo characteristic, Action<IBleWinHwInterface, BleCharacteristicInfo, BleResponse> callback)
        {
            WclBleGattThread gattThread = this.wclBleMainThread.GetGattThread(characteristic.Peripheral);

            this.characteristicNotificationCallbacks.Add(gattThread.Peripheral, callback);
            int num = gattThread.SubscribeCharacteristic(characteristic);
            if (WclBleErrors.IsSuccessCode(num))
            {
                return;
            }
            BleResponse<List<BleServiceInfo>> response = new BleResponse<List<BleServiceInfo>>
            {
                IsSuccess = false,
                Error = new BleHwInterfaceError(new int?(num), "WclBleGattClientErrorDomain", string.Format("Error subscribing characteristic - {0}", num))
            };
            this.GattCharacteristicSubscribed(gattThread, characteristic, response);
        }

        public void WriteCharacteristic(BleCharacteristicInfo characteristic, byte[] data)
        {
            var gattThread = this.wclBleMainThread.GetGattThread(characteristic.Peripheral);
            if(gattThread == null)
            {
                return;
            }

            int num = gattThread.WriteCharacteristic(characteristic, data);
            if (WclBleErrors.IsSuccessCode(num))
            {
                Debug.Log("设置命令成功");
                return;
            }
        }


        public void Dispose()
        {
            this.wclBleMainThread.ManagerStatusChanged -= ManagerStatusChanged;
            this.wclBleMainThread.ScanInfoReceived -= WatcherScanInfoReceived;
            this.wclBleMainThread.Stop();
            this.wclBleMainThread = null;
            hwInterface = null;
            pCache.Clear();
        }

        public void ReadCharacteristic(BleCharacteristicInfo characteristic, CharacteristicReadCallback callback)
        {
            WclBleGattThread gattThread = this.wclBleMainThread.GetGattThread(characteristic.Peripheral);
            if(gattThread == null)
            {
                return;
            }
            this.characteristicReadCallbacks.Add(characteristic, callback);
            int num = gattThread.ReadCharacteristicValue(characteristic);
            if (WclBleErrors.IsSuccessCode(num))
            {
                return;
            }
        }

        private static BleState StateFromNativeState(WclBleManagerStatus status)
        {
            switch (status)
            {
                case WclBleManagerStatus.RadioOff:
                    return BleState.Off;
                case WclBleManagerStatus.RadioOn:
                    return BleState.On;
                case WclBleManagerStatus.Unknown:
                    return BleState.Unknown;
                default:
                    return BleState.Unavailable;
            }
        }

        private class WinBlePeripheralInfo : BlePeripheralInfo
        {
            // Token: 0x06003F35 RID: 16181 RVA: 0x000E9FBF File Offset: 0x000E81BF
            public WinBlePeripheralInfo(string address, string name) : base(address, name)
            {
            }

            // Token: 0x06003F36 RID: 16182 RVA: 0x000E9FC9 File Offset: 0x000E81C9
            public void SetName(string name)
            {
                base.Name = name;
            }
        }
    }
}