using I2.Loc;
using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.UI;

public class ChangeLanguage : MonoBehaviour
{
    [SerializeField] private Text activeItemText;
    [SerializeField] private Image activeItemImg;

    void OnEnable()
    {
        var dropdown = GetComponent<Dropdown>();
        if (dropdown == null)
            return;

        string currentLanguage = LocalizationManager.CurrentLanguage;
        
        if (LocalizationManager.Sources.Count == 0) 
            LocalizationManager.UpdateSources();
        
        List<string> languages = LocalizationManager.GetAllLanguages();

        // Fill the dropdown elements
        dropdown.ClearOptions();
        dropdown.AddOptions(languages);

        dropdown.value = languages.IndexOf(currentLanguage);
        dropdown.onValueChanged.RemoveListener(OnValueChanged);
        dropdown.onValueChanged.AddListener(OnValueChanged);

        UpdateActiveItem();
    }

    private void Start()
    {
        UpdateActiveItem();
    }

    private void OnValueChanged(int index)
    {
        var dropdown = GetComponent<Dropdown>();
        if (index < 0)
        {
            index = 0;
            dropdown.value = index;
        }

        LocalizationManager.CurrentLanguage = dropdown.options[index].text;

        UpdateActiveItem();
    }

    private void UpdateActiveItem()
    {
        activeItemText.text = LocalizationManager.GetTranslation(LocalizationManager.CurrentLanguage);

        if (LocalizationManager.TryGetTranslation("FlagSprite", out string translation, true, 0, true, false, null, LocalizationManager.CurrentLanguage, false))
            activeItemImg.sprite = LocalizationManager.GetTranslatedObject<Sprite>(translation);
    }
}