using UnityEngine;
using UnityEngine.UI;
using SVSBluetooth;
using System.Text;

public class Interface : MonoBehaviour {
    public Image image; // a picture that displays the status of the bluetooth adapter upon request
    public Text textField; // field for displaying messages and events
    const string MY_UUID = "0b7062bc-67cb-492b-9879-09bf2c7012b2"; // UUID constant which is set via script
    //00001101-0000-1000-8000-00805F9B34FB for arduino

    BluetoothForAndroid.BTDevice[] devices;
    string lastConnectedDeviceAddress;

    // subscription and unsubscribe from events. You can read more about events in Documentation.pdf
    private void OnEnable() {
        Screen.sleepTimeout = SleepTimeout.NeverSleep;
        BluetoothForAndroid.ReceivedIntMessage += PrintVal1;
        BluetoothForAndroid.ReceivedFloatMessage += PrintVal2;
        BluetoothForAndroid.ReceivedStringMessage += PrintVal3;
        BluetoothForAndroid.ReceivedByteMessage += PrintVal4;

        BluetoothForAndroid.BtAdapterEnabled += PrintEvent1;
        BluetoothForAndroid.BtAdapterDisabled += PrintEvent2;
        BluetoothForAndroid.DeviceConnected += PrintEvent3;
        BluetoothForAndroid.DeviceDisconnected += PrintEvent4;
        BluetoothForAndroid.ServerStarted += PrintEvent5;
        BluetoothForAndroid.ServerStopped += PrintEvent6;
        BluetoothForAndroid.AttemptConnectToServer += PrintEvent7;
        BluetoothForAndroid.FailConnectToServer += PrintEvent8;

        BluetoothForAndroid.DeviceSelected += PrintDeviceData;
    }
    private void OnDisable() {
        BluetoothForAndroid.ReceivedIntMessage -= PrintVal1;
        BluetoothForAndroid.ReceivedFloatMessage -= PrintVal2;
        BluetoothForAndroid.ReceivedStringMessage -= PrintVal3;
        BluetoothForAndroid.ReceivedByteMessage -= PrintVal4;

        BluetoothForAndroid.BtAdapterEnabled -= PrintEvent1;
        BluetoothForAndroid.BtAdapterDisabled -= PrintEvent2;
        BluetoothForAndroid.DeviceConnected -= PrintEvent3;
        BluetoothForAndroid.DeviceDisconnected -= PrintEvent4;
        BluetoothForAndroid.ServerStarted -= PrintEvent5;
        BluetoothForAndroid.ServerStopped -= PrintEvent6;
        BluetoothForAndroid.AttemptConnectToServer -= PrintEvent7;
        BluetoothForAndroid.FailConnectToServer -= PrintEvent8;

        BluetoothForAndroid.DeviceSelected -= PrintDeviceData;
    }

    // Initially, always initialize the plugin.
    public void Initialize() {
        BluetoothForAndroid.Initialize();
    }

    // methods for controlling the bluetooth and getting its state
    public void GetBluetoothStatus() {
        if (BluetoothForAndroid.IsBTEnabled()) image.color = Color.green;
        else image.color = Color.red;
    }
    public void EnableBT() {
        BluetoothForAndroid.EnableBT();
    }
    public void DisableBT() {
        BluetoothForAndroid.DisableBT();
    }

    // methods for creating and stopping the server, connecting to the server and disconnecting
    public void CreateServer() {
        BluetoothForAndroid.CreateServer(MY_UUID);
    }
    public void StopServer() {
        BluetoothForAndroid.StopServer();
    }
    public void ConnectToServer() {
        BluetoothForAndroid.ConnectToServer(MY_UUID);
    }
    public void Disconnect() {
        BluetoothForAndroid.Disconnect();
    }
    public void ConnectToServerByAddress() {
        if (devices != null) {
            if (devices[0].address != "none") BluetoothForAndroid.ConnectToServerByAddress(MY_UUID, devices[0].address);
        } 
    }
    public void ConnectToLastServer() {
        if (lastConnectedDeviceAddress != null) BluetoothForAndroid.ConnectToServerByAddress(MY_UUID, lastConnectedDeviceAddress);
    }

    // methods for sending messages of various types
    public void WriteMessage1() {
        BluetoothForAndroid.WriteMessage(15);
    }
    public void WriteMessage2() {
        BluetoothForAndroid.WriteMessage(100.69f);
    }
    public void WriteMessage3() {
        BluetoothForAndroid.WriteMessage("Hi !!!");
    }
    public void WriteMessage4() {
        BluetoothForAndroid.WriteMessage(new byte[] { 0, 1, 2, 3, 4, 5 });
    }

    // methods for displaying received messages on the screen
    void PrintVal1(int val) {
        textField.text += val.ToString() + "\n";
    }
    void PrintVal2(float val) {
        textField.text += val.ToString() + "\n";
    }
    void PrintVal3(string val) {
        textField.text += val + "\n";
    }
    void PrintVal4(byte[] val) {
        foreach (var item in val) {
            textField.text += item;
        }
        textField.text += "\n";
    }
    public void GetBondedDevices() {
        devices = BluetoothForAndroid.GetBondedDevices();
        if (devices != null) {
            for (int i = 0; i < devices.Length; i++) {
                textField.text += devices[i].name + "   ";
                textField.text += devices[i].address;
                textField.text += "\n";
            }
        }
    }

    // methods for displaying events on the screen
    void PrintEvent1() {
        textField.text += "Adapter enabled" + "\n";
    }
    void PrintEvent2() {
        textField.text += "Adapter disabled" + "\n";
    }
    void PrintEvent3() {
        textField.text += "The device is connected" + "\n";
    }
    void PrintEvent4() {
        textField.text += "Device lost connection" + "\n";
    }
    void PrintEvent5() {
        textField.text += "Server is running" + "\n";
    }
    void PrintEvent6() {
        textField.text += "Server stopped" + "\n";
    }
    void PrintEvent7() {
        textField.text += "Attempt to connect to server" + "\n";
    }
    void PrintEvent8() {
        textField.text += "Connection to the server failed" + "\n";
    }
    void PrintDeviceData(string deviceData) {
        string[] btDevice = deviceData.Split(new char[] { ',' });
        textField.text += btDevice[0] + "   ";
        textField.text += btDevice[1] + "\n";
        lastConnectedDeviceAddress = btDevice[1];
    }

    // method for cleaning the log
    public void ClearLog() {
        textField.text = "";
    }
}