using Assets.Scripts.Ble;
using System.Timers;

namespace Assets.Scripts.Devices.Ble
{
    internal class BleMobileThread
    {
        public delegate void WclInitializedDelegate(BleMobileThread sender);
        private BleMobileThread.WclInitializedDelegate managerInitialized;
        public event BleMobileThread.WclInitializedDelegate ManagerInitialized
        {
            add
            {
                this.managerInitialized += value;
            }
            remove
            {
                this.managerInitialized -= value;
            }
        }

        public delegate void WclAdvertisementPacketDelegate(BleMobileThread sender, string address, string name, int rssi, string[] uuids);
        public BleMobileThread.WclAdvertisementPacketDelegate ScanInfoReceived;
        
        internal delegate void ManagerStatusChangedCallback(BleMobileThread thread, WclBleManagerStatus status);
        private BleMobileThread.ManagerStatusChangedCallback managerStatusChanged;
        public event BleMobileThread.ManagerStatusChangedCallback ManagerStatusChanged
        {
            add
            {
                this.managerStatusChanged += value;
            }
            remove
            {
                this.managerStatusChanged -= value;
            }
        }
        WclBleManagerStatus statusEnum = WclBleManagerStatus.RadioOff;
        internal BleMobileThread() {
            var self = this;
            //初始蓝牙
            BluetoothLEHardwareInterface.Initialize(true, false, () => {
                statusEnum = WclBleManagerStatus.RadioOn;
                managerInitialized?.Invoke(self);
            },
            (error) => {
                statusEnum = WclBleManagerStatus.RadioOff;
                BluetoothLEHardwareInterface.Log("Error: " + error);
                if (error.Contains("Bluetooth LE Not Enabled"))
                    BluetoothLEHardwareInterface.BluetoothEnable(true);
            }, (status) => {

                statusEnum = WclBleManagerStatus.RadioOn;
                switch (status)
                {
                    case 13:
                        statusEnum = WclBleManagerStatus.RadioOff;
                        break;
                    case 11:
                        statusEnum = WclBleManagerStatus.RadioOn;
                        break;
                }
                if (managerStatusChanged != null)
                {
                    managerStatusChanged.Invoke(self, statusEnum);
                }
            });
        }
     
        public void StartWatcher() {
            var self = this;
            if (statusEnum == WclBleManagerStatus.RadioOff)
            {
                BluetoothLEHardwareInterface.BluetoothEnable(true);
                BluetoothLEHardwareInterface.Initialize(true, false, () =>
                {
                    managerInitialized?.Invoke(self);
                    BluetoothLEHardwareInterface.ScanForPeripheralsWithServices(ServiceUuids.GetServiceUuidList().ToArray(), null, (address, name, rssi, bytes) =>
                    {
                        ScanInfoReceived?.Invoke(self, address, name, rssi, bytes);
                    }, true);
                },
                (error) =>
                {
                    statusEnum = WclBleManagerStatus.RadioOff;
                    BluetoothLEHardwareInterface.Log("Error: " + error);
                    if (error.Contains("Bluetooth LE Not Enabled"))
                        BluetoothLEHardwareInterface.BluetoothEnable(true);
                }, (status) =>
                {

                    statusEnum = WclBleManagerStatus.RadioOn;
                    switch (status)
                    {
                        case 13:
                            statusEnum = WclBleManagerStatus.RadioOff;
                            break;
                        case 11:
                            statusEnum = WclBleManagerStatus.RadioOn;
                            break;
                    }
                    if (managerStatusChanged != null)
                    {
                        managerStatusChanged.Invoke(self, statusEnum);
                    }
                });
            }
            else
            {
                BluetoothLEHardwareInterface.ScanForPeripheralsWithServices(ServiceUuids.GetServiceUuidList().ToArray(), null, (address, name, rssi, bytes) =>
                {
                    ScanInfoReceived?.Invoke(self, address, name, rssi, bytes);
                }, true);
            }
        }

        public void Stop()
        {
            BluetoothLEHardwareInterface.StopScan();
        }
        public void Dispose()
        {
            BluetoothLEHardwareInterface.StopScan();
            BluetoothLEHardwareInterface.DisconnectAll();
        }
    }
}