using UnityEngine;
using UnityEngine.UI;
using UDE_HAND_INTERACTION;
using Unity.XR.CoreUtils;
 
public class UIManager : MonoBehaviour
{
    public static readonly string CurrentSDKVersion = "1.5";
    public XROrigin XR_Origin;
    public GameObject[] Panels;
    public GameObject ChoosePanel;
    public GameObject JoyRangeCalibPanel;

    public FingerPressController ConfirmChoose;
    public FingerPressController FinRangeCalib;
    private GameObject OriginPanel;
    private int PanelIndex = 0;

    private BleManager bleManager;

    public FingerPressController[] ContinueBtns;
    public FingerPressController ExitBtn;
    public FingerPressController[] BackBtns;
    public FingerPressController[] HeightSwitch;
    public GameObject SkipCalibration;

    public GameObject[] Hands;
    public Sprite[] HandsIconsSet;
    public Sprite[] HandsSignalSet;
    public Sprite[] HandsBatterySet;

    private Image[] HandsIcons = new Image[2];
    private Text[] DeviceNames = new Text[2];
    private Image[] HandSignals = new Image[2];
    private Image[] HandsBattery = new Image[2];
    private Image[] SeparateLine = new Image[2];

    public Color ConnectColor;
    public Color DisconnectColor;
    private Color DefaultColor;

    public Image[] LoadBar;
    public Text[] Msg;
    private bool EnterCalibrationPanel = false;
    private float TimeCnt = 3;

    private void Awake()
    {
        bleManager = GetComponent<BleManager>();
        if (bleManager.handDrivers[0].UsingAndroidService || bleManager.handDrivers[1].UsingAndroidService)
        {
            Panels = new GameObject[1] { Panels[0] };
            bleManager.UsingAndroidService = true;
        }
    }

    void Start()
    {
        Panels[PanelIndex].SetActive(true);
        Panels[0].transform.Find("Version").GetComponent<Text>().text = CurrentSDKVersion;
        ExitBtn.OnSelect.AddListener(() => { Application.Quit(); });

        foreach (var btn in ContinueBtns)
        {
            btn.OnSelect.AddListener(() =>
            {
                if(Panels.Length > 1)
                {
                    Panels[PanelIndex++].SetActive(false);
                    Panels[PanelIndex].SetActive(true);
                    EnterCalibrationPanel = true;
                    TimeCnt = 3;
                    if(PanelIndex == 3)
                    {
                        bleManager.Calibration(0);
                    }
                }
                else
                {
                    transform.GetChild(0).gameObject.SetActive(false);
                }
            });
        }
        foreach (var btn in BackBtns)
        {
            btn.OnSelect.AddListener(() =>
            {
                if(ChoosePanel.activeInHierarchy && PanelIndex == 1)
                {
                    ChoosePanel.SetActive(false);
                }
                Panels[PanelIndex--].SetActive(false);
                Panels[PanelIndex].SetActive(true);
            });
        }
        DefaultColor = Hands[0].GetComponent<Image>().color;
        for (int i = 0; i < 2; ++i)
        {
            HandsIcons[i] = Hands[i].transform.GetChild(0).GetComponent<Image>();
            DeviceNames[i] = Hands[i].transform.GetChild(1).GetComponent<Text>();
            HandSignals[i] = Hands[i].transform.GetChild(2).GetComponent<Image>();
            HandsBattery[i] = Hands[i].transform.GetChild(3).GetComponent<Image>();
            SeparateLine[i] = Hands[i].transform.GetChild(4).GetComponent<Image>();
        }
        ConfirmChoose.OnSelect.AddListener(() =>
        {
            bleManager.LeftSpecificConnect = ChoosePanel.GetComponent<ChooseBle>().LeftChoice;
            bleManager.RightSpecificConnect = ChoosePanel.GetComponent<ChooseBle>().RightChoice;
            OriginPanel.SetActive(true);
            ChoosePanel.SetActive(false);
        });
        if(HeightSwitch.Length > 0)
        {
            HeightSwitch[0].OnSelect.AddListener(() =>
            {
                transform.root.position = new Vector3(0, 1.2f, 0.5f);
                XR_Origin.transform.Find("Camera Offset").position = new Vector3(0, 1.2f, 0);
                XR_Origin.transform.Find("WorldOffset").position = new Vector3(0, 1.2f, 0);
            });
            HeightSwitch[1].OnSelect.AddListener(() =>
            {
                transform.root.position = new Vector3(0, 1.6f, 0.5f);
                XR_Origin.transform.Find("Camera Offset").position = new Vector3(0, 1.6f, 0);
                XR_Origin.transform.Find("WorldOffset").position = new Vector3(0, 1.6f, 0);
            });
        }

        FinRangeCalib.OnSelect.AddListener(() =>
        {
            bleManager.JoyRangeCalibration(false);
            transform.GetChild(0).gameObject.SetActive(false);
        });
    }

    void Update()
    {
        if(bleManager.NeedChooseConnect && string.IsNullOrEmpty(bleManager.LeftSpecificConnect) && string.IsNullOrEmpty(bleManager.RightSpecificConnect))
        {
            OriginPanel = Panels[1];
            if (PanelIndex == 1)
            {
                Panels[1].SetActive(false);
                ChoosePanel.SetActive(true);
            }
            var Layouts = ChoosePanel.transform.GetComponentsInChildren<GridLayoutGroup>();
            int[] Indexs = new int[2] { 0, 0 }; 
            foreach (var device in bleManager.DevicesList)
            {
                if (device[^1] == 'L')
                {
                    var SpecificDevice = Layouts[0].transform.GetChild(Indexs[0]).gameObject;
                    SpecificDevice.SetActive(true);
                    SpecificDevice.transform.GetChild(0).Find("DeviceName").GetComponent<Text>().text = device;
                    Indexs[0]++;
                }
                else if(device[^1] == 'R')
                {
                    var SpecificDevice = Layouts[1].transform.GetChild(Indexs[1]).gameObject;
                    SpecificDevice.SetActive(true);
                    SpecificDevice.transform.GetChild(0).Find("DeviceName").GetComponent<Text>().text = device;
                    Indexs[1]++;
                }
            }
        }
        else if(OriginPanel != null)
        {
            ChoosePanel.SetActive(false);
            if (PanelIndex == 1)
            {
                Panels[1].SetActive(true);
            }
        }

        if(!string.IsNullOrEmpty(ChoosePanel.GetComponent<ChooseBle>().LeftChoice) && !string.IsNullOrEmpty(ChoosePanel.GetComponent<ChooseBle>().RightChoice))
        {
            ConfirmChoose.transform.parent.gameObject.SetActive(true);
        }

        if (bleManager.LeftConnectState)
        {
            Hands[0].GetComponent<Image>().color = Color.white;
            HandsIcons[0].sprite = HandsIconsSet[1];
            DeviceNames[0].color = Color.white;
            DeviceNames[0].text = bleManager.LeftDeviceName;
            HandSignals[0].sprite = HandsSignalSet[1];
            HandsBattery[0].sprite = HandsBatterySet[1];
            SeparateLine[0].color = ConnectColor;
        }
        else
        {
            Hands[0].GetComponent<Image>().color = DefaultColor;
            HandsIcons[0].sprite = HandsIconsSet[0];
            DeviceNames[0].color = DisconnectColor;
            DeviceNames[0].text = "...";
            HandSignals[0].sprite = HandsSignalSet[0];
            HandsBattery[0].sprite = HandsBatterySet[0];
            SeparateLine[0].color = DisconnectColor;
        }

        if(bleManager.RightConnectState)
        {
            Hands[1].GetComponent<Image>().color = Color.white;
            HandsIcons[1].sprite = HandsIconsSet[3];
            DeviceNames[1].color = Color.white;
            DeviceNames[1].text = bleManager.RightDeviceName;
            HandSignals[1].sprite = HandsSignalSet[1];
            HandsBattery[1].sprite = HandsBatterySet[1];
            SeparateLine[1].color = ConnectColor;
        }
        else
        {
            Hands[1].GetComponent<Image>().color = DefaultColor;
            HandsIcons[1].sprite = HandsIconsSet[2];
            DeviceNames[1].color = DisconnectColor;
            DeviceNames[1].text = "...";
            HandSignals[1].sprite = HandsSignalSet[0];
            HandsBattery[1].sprite = HandsBatterySet[0];
            SeparateLine[1].color = DisconnectColor;
        }

        ContinueBtns[1].transform.parent.gameObject.SetActive(bleManager.LeftConnectState && bleManager.RightConnectState);
        SkipCalibration?.SetActive(PlayerPrefs.GetInt(bleManager.LeftDeviceName) == 1 && PlayerPrefs.GetInt(bleManager.RightDeviceName) == 1);

        if (PanelIndex > 2 && EnterCalibrationPanel)
        {
            TimeCnt -= Time.deltaTime;
            if(TimeCnt >= 0)
            {
                
                LoadBar[PanelIndex - 3].fillAmount = 1 - (TimeCnt / 3);
                Msg[PanelIndex - 3].text = "Preparation phase " + (int)(TimeCnt + 1) + "s";
            }
            else if(TimeCnt > -1)
            {
                LoadBar[PanelIndex - 3].fillAmount = -TimeCnt;
                Msg[PanelIndex - 3].text = "CalibratingŁ¬Hold your pose";
            }
            else
            {
                LoadBar[PanelIndex - 3].fillAmount = 1;
                bleManager.Calibration(PanelIndex - 2);
                if (PanelIndex == 5)
                {
                    EnterCalibrationPanel = false;
                    Panels[PanelIndex].SetActive(false);
                    JoyRangeCalibPanel.SetActive(true);
                    bleManager.JoyRangeCalibration(true);
                    return;
                }
                Panels[PanelIndex++].SetActive(false);
                Panels[PanelIndex].SetActive(true);
                TimeCnt = 3;
            }
        }
    }

}