using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.UI;

namespace SC.XR.Unity.Module_Keyboard
{
    public class Example : MonoBehaviour
    {
        SCKeyboard m_Keyboard;

        public Vector3 m_Position;
        public Vector3 m_Rotation;
        public Vector3 m_Scale;
        public Transform m_Parent;
        public SCKeyboardEnum m_SCKeyboardEnum;

        public Button chineseBtn;
        public Button englishBtn;
        public SCToggleCheckbox3D useSystemLanguageToggle;

        void Start()
        {
            // Register static Events.
            SCKeyboard.OnActiveStateChanged += OnActiveStateChanged;
            SCKeyboard.RegisterOnWebKeyClickEvent(OnWebKeyClickEvent);
            chineseBtn.onClick.AddListener(OnClickChineseBtn);
            englishBtn.onClick.AddListener(OnClickEnglishBtn);
            useSystemLanguageToggle.onValueChanged.AddListener(OnUseSystemLanguageToggleValueChanged);
        }

        private void OnDestroy()
        {
            chineseBtn.onClick.RemoveListener(OnClickChineseBtn);
            englishBtn.onClick.RemoveListener(OnClickEnglishBtn);
            useSystemLanguageToggle.onValueChanged.RemoveListener(OnUseSystemLanguageToggleValueChanged);
        }

        void Update()
        {
            // Open Keyboard.
            if (Input.GetKeyDown(KeyCode.O))
            {               
                m_Keyboard = SCKeyboard.Open(SCKeyboardEnum.SCKeyboard2D, "", SCKeyboardType.Default, m_Position, Quaternion.Euler(m_Rotation), m_Scale);              
            }

            if (Input.GetKeyDown(KeyCode.L))
            {
                m_Keyboard = SCKeyboard.Open(SCKeyboardEnum.SCKeyboard2D, "");
            }

            if (Input.GetKeyDown(KeyCode.M))
            {
                if (m_Keyboard != null) m_Keyboard.transform.position = m_Position;
                if (m_Keyboard != null) m_Keyboard.transform.rotation = Quaternion.Euler(m_Rotation);
                if (m_Keyboard != null) m_Keyboard.transform.localScale = m_Scale;
            }

            if (Input.GetKeyDown(KeyCode.P))
            {
                if (m_Keyboard != null) m_Keyboard.transform.SetParent(m_Parent);
            }

            // Close Keyboard.
            if (Input.GetKeyDown(KeyCode.C))
            {
                if (m_Keyboard != null) SCKeyboard.Close(m_SCKeyboardEnum);
            }

            // Register button press event.
            if (Input.GetKeyDown(KeyCode.R))
            {
                if (m_Keyboard != null) m_Keyboard.RegisterOnKeyClickEvent(OnKeyClickEvent);
            }
        }

        public void OnActiveStateChanged(bool val)
        {
            Debug.Log("OnActiveStateChanged :"+val);
        }

        public void OnKeyClickEvent(string val)
        {
            Debug.Log("OnKeyClickEvent :" + val);
        }

        public void OnWebKeyClickEvent(string val)
        {
            Debug.Log("OnWebKeyClickEvent :" + val);
        }

        public void OnClickChineseBtn()
        {
            SCKeyboard.SetSystemLanguage(KeyboardSystemLanguage.Chinese);
            chineseBtn.GetComponentInChildren<Text>().text = "设置键盘系统语言为中文";
            englishBtn.GetComponentInChildren<Text>().text = "设置键盘系统语言为英文";
            useSystemLanguageToggle.GetComponentInChildren<TextMesh>().text = "自动获取系统语言";
        }

        public void OnClickEnglishBtn()
        {
            SCKeyboard.SetSystemLanguage(KeyboardSystemLanguage.English);
            chineseBtn.GetComponentInChildren<Text>().text = "Change Keyboard System Language To Chinese";
            englishBtn.GetComponentInChildren<Text>().text = "Change Keyboard System Language To English";
            useSystemLanguageToggle.GetComponentInChildren<TextMesh>().text = "Auto Get System Language";
        }

        public void OnUseSystemLanguageToggleValueChanged(bool value)
        {
            SCKeyboard.useSystemLanguage = value;
        }
    }

}