using System.Collections.Generic;
using TMPro;
using Unity.VisualScripting;
using UnityEngine;
using UnityEngine.InputSystem;
using UnityEngine.InputSystem.HID;

public class SettingsPage : MonoBehaviour
{
    private const string TextNoConnected = "Не подключено";

    [SerializeField] private TMP_Dropdown _dropdownDevices;
    [SerializeField] private TMP_Text _textPreset;

    [SerializeField] private ButtonSubmenu[] _buttonsSubmenu;

    [SerializeField] private GameObject _submenuControlElement;
    [SerializeField] private GameObject _submenuNetwork;

    private List<InputDevice> _devices = new List<InputDevice>();
    private TypeSubmenu _thisSubmenu;

    private void OnEnable()
    {
        foreach (ButtonSubmenu buttonSubmenu in _buttonsSubmenu)
        {
            buttonSubmenu.OpenSubmenu += OpenSubmenu;
        }

        _dropdownDevices.onValueChanged.AddListener(SelectJoystick);

        InputSystem.onDeviceChange += DeviceChange;
    }

    private void OnDisable()
    {
        foreach (ButtonSubmenu buttonSubmenu in _buttonsSubmenu)
        {
            buttonSubmenu.OpenSubmenu -= OpenSubmenu;
        }

        _dropdownDevices.onValueChanged.RemoveListener(SelectJoystick);

        InputSystem.onDeviceChange -= DeviceChange;
    }

    private void Start()
    {
        ResetDevice();
    }

    private void DeviceChange(InputDevice device, InputDeviceChange change)
    {
        //Перепиши метод!
        switch (change)
        {
            case InputDeviceChange.Added:
                ResetDevice();
                break;
            case InputDeviceChange.Removed:
                ResetDevice();
                break;
            case InputDeviceChange.Disconnected:
                ResetDevice();
                break;
            case InputDeviceChange.Reconnected:
                ResetDevice();
                break;
        }
    }

    
    private void ResetDevice()
    {
        //Перепиши метод!

        var devices = InputSystem.devices;

        _devices.Clear();

        foreach (var inputDevice in devices)
        {
            if (inputDevice.description.interfaceName == nameof(HID))
            {
                _devices.Add(inputDevice);
            }
        }

        _dropdownDevices.ClearOptions();

        List<TMP_Dropdown.OptionData> data = new List<TMP_Dropdown.OptionData>
        {
            new TMP_Dropdown.OptionData(TextNoConnected)
        };

        foreach (var device in _devices)
        {
            data.Add(new TMP_Dropdown.OptionData(device.name));
        }

        _dropdownDevices.AddOptions(data);
    }

    private void SelectJoystick(int index)
    {
        if (index == 0)
        {
            _textPreset.text = "Тип:";
            return;
        }

        InputController.SetDevice(_devices[index - 1]);
        SetPreset(_devices[index - 1]);
    }

    private void SetPreset(InputDevice inputDevice)
    {
        byte[] bytes = (byte[])inputDevice.ReadValueAsObject();

        switch (bytes.Length)
        {
            case 8:
                InputController.SetPreset(new InputPreset8());
                _textPreset.text = "Тип: 8 байт";
                break;
            case 20:
                InputController.SetPreset(new InputPreset20());
                _textPreset.text = "Тип: 20 байт";
                break;
            default:
                _textPreset.text = "Тип: Мы такое не знаем";
                break;
        }
    }

    private void OpenSubmenu(TypeSubmenu typeSubmenu)
    {

    }

    private void SetActiveSubmenu(TypeSubmenu typeSubmenu, bool isActive)
    {
        switch (typeSubmenu)
        {
            case TypeSubmenu.ControlElement:
                _submenuControlElement.SetActive(isActive);
                break;
            case TypeSubmenu.Network:
                _submenuNetwork.SetActive(isActive);
                break;
        }
    }
}