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

public class LanguageItem : MonoBehaviour
{
    public TMP_Text Text;

    public bool isSetText = false;
    [ConditionalField("isSetText")] public string chin;
    [ConditionalField("isSetText")] public string english;
    [ConditionalField("isSetText")] public TMP_FontAsset ChinFontAsset;
    [ConditionalField("isSetText")] public TMP_FontAsset EnglishFontAsset;

    public bool isSetImage = false;
    [ConditionalField("isSetImage")] public Image ChinImage;
    [ConditionalField("isSetImage")] public Image EnglishImage;

    public bool isSetGo = false;
    [ConditionalField("isSetGo")] public GameObject ChinGo;
    [ConditionalField("isSetGo")] public GameObject EnglishGo;

    private LanguageManager.LanguageType currentType = LanguageManager.LanguageType.English;

    private void Awake()
    {
        Text = GetComponentInParent<TMP_Text>();
    }

    private void Start()
    {
        LanguageManager.Instance.LanguageChange += LanguageChange;
        LanguageChange(LanguageManager.Instance.type);
        if (LanguageManager.Instance.IsSimplified)
            chin = LanguageManager.Instance.T2S(chin);
    }

    private void OnDestroy()
    {
        LanguageManager.Instance.LanguageChange -= LanguageChange;
    }

    private void LanguageChange(LanguageManager.LanguageType type)
    {
        if (currentType == type)
            return;
        currentType = type;
        switch (type)
        {
            case LanguageManager.LanguageType.English:
                if (isSetImage && ChinImage != null && EnglishImage != null)
                {
                    ChinImage.gameObject.SetActive(false);
                    EnglishImage.gameObject.SetActive(true);
                }

                if (isSetText && Text != null)
                {
                    if (!string.IsNullOrEmpty(english))
                        Text.text = english;
                    Text.font = EnglishFontAsset;
                }

                if (isSetGo && ChinGo != null && EnglishGo != null)
                {
                    ChinGo.gameObject.SetActive(false);
                    EnglishGo.gameObject.SetActive(true);
                }

                break;
            case LanguageManager.LanguageType.Chinese:
                if (isSetImage && ChinImage != null && EnglishImage != null)
                {
                    ChinImage.gameObject.SetActive(true);
                    EnglishImage.gameObject.SetActive(false);
                }

                if (isSetText && Text != null)
                {
                    if (!string.IsNullOrEmpty(chin))
                        Text.text = chin;
                    Text.font = ChinFontAsset;
                }

                if (isSetGo && ChinGo != null && EnglishGo != null)
                {
                    ChinGo.gameObject.SetActive(true);
                    EnglishGo.gameObject.SetActive(false);
                }

                break;
            default:
                throw new ArgumentOutOfRangeException(nameof(type), type, null);
        }
    }
}