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

public class CharactersScript : MonoBehaviour
{
    public GameObject[] characters; // Array of character models or portraits
    private int currentIndex = 0;
    public Button nextButton;
    public Button prevButton;
    public Button selectButton; // Separate "Select" button for current character

    void Start()
    {
        nextButton.onClick.AddListener(ShowNextCharacter);
        prevButton.onClick.AddListener(ShowPreviousCharacter);
        selectButton.onClick.AddListener(OnSelectButtonClick);

        // Load the saved character index from PlayerPrefs
        if (PlayerPrefs.HasKey("selectedCharacterIndex"))
        {
            currentIndex = PlayerPrefs.GetInt("selectedCharacterIndex");
        }
        else
        {
            currentIndex = 0; // Default to the first character
            PlayerPrefs.SetInt("selectedCharacterIndex", currentIndex);
            PlayerPrefs.Save();
        }

        // Validate the loaded index
        if (currentIndex < 0 || currentIndex >= characters.Length)
        {
            currentIndex = 0; // Default to the first character if the saved index is invalid
        }

        // Show the initial character and update the button text
        ShowCharacter(currentIndex);
        UpdateSelectButtonText(currentIndex);
    }

    void ShowNextCharacter()
    {
        currentIndex = (currentIndex + 1) % characters.Length;
        ShowCharacter(currentIndex);
        UpdateSelectButtonText(currentIndex);
    }

    void ShowPreviousCharacter()
    {
        currentIndex = (currentIndex - 1 + characters.Length) % characters.Length;
        ShowCharacter(currentIndex);
        UpdateSelectButtonText(currentIndex);
    }

    void OnSelectButtonClick()
    {
        // Save the selected character index to PlayerPrefs
        PlayerPrefs.SetInt("selectedCharacterIndex", currentIndex);
        PlayerPrefs.Save();

        Debug.Log("Current Index: " + currentIndex);
        Debug.Log("Selected Character: " + characters[currentIndex].name);

        // Update the "Select" button text to "Selected"
        UpdateSelectButtonText(currentIndex);
    }

    void ShowCharacter(int index)
    {
        // Hide all characters
        foreach (GameObject character in characters)
        {
            character.SetActive(false);
        }

        // Show the character at the specified index
        if (index >= 0 && index < characters.Length)
        {
            characters[index].SetActive(true);
        }
    }

    void UpdateSelectButtonText(int index)
    {
        // Update the "Select" button text to "Selected" if this character is the one saved in PlayerPrefs
        int savedIndex = PlayerPrefs.GetInt("selectedCharacterIndex", -1);

        if (index == savedIndex)
        {
            selectButton.GetComponentInChildren<Text>().text = "Selected";
        }
        else
        {
            selectButton.GetComponentInChildren<Text>().text = "Select";
        }
    }

    public void playGame()
    {
        SceneManager.LoadScene("Level_1 New Enemies");
    }
}