using System.Collections;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using UnityEngine;
using UnityEngine.UI;
//============================================================
//支持中文，文件使用UTF-8编码
//@author	Adam
//@create	20240516
//@company	LG
//
//@description:
//============================================================

public class SystemController : MonoBehaviour
{
    public Button leftBtn;
    public Button rightBtn;
    public RawImage tips;
    public Text tipText;
    public int index = 0;
    public int imageCount;
    public Texture2D[] texturesTips;
    // Use this for initialization
    private void Start()
    {
        texturesTips = LoadSprite("Tips");
        leftBtn.onClick.AddListener(OnLeft);
        rightBtn.onClick.AddListener(OnRight);
        imageCount = texturesTips.Length;
        tips.texture = texturesTips[index];
        tipText.text = texturesTips[index].name;
    }



    public void OnRight()
    {
        index++;
        if (index >= imageCount)
        {
            index = imageCount - 1;
        }
        tipText.text = texturesTips[index].name;
        tips.texture = texturesTips[index];
    }

    public void OnLeft()
    {
        index--;
        if (index < 0)
        {
            index = 0;
        }
        tipText.text = texturesTips[index].name;
        tips.texture = texturesTips[index];
    }
    public Texture2D[] LoadSprite(string name)
    {
        string fileName_1 = Path.Combine(Application.streamingAssetsPath, name);
        Debug.Log(fileName_1);
        if (!Directory.Exists(fileName_1))
        {
            throw new FileNotFoundException("Could not find file: " + fileName_1);
        }
        string[] filePaths = Directory.GetFiles(fileName_1, "*.*", SearchOption.AllDirectories)
        .Where(s => s.EndsWith(".jpg") || s.EndsWith(".png"))
        .ToArray();
        Texture2D[] sprites = new Texture2D[filePaths.Length];
        for (int i = 0; i < filePaths.Length; i++)
        {
            byte[] bytes = File.ReadAllBytes(filePaths[i]);
            Texture2D texture = new Texture2D(2, 2);
            texture.LoadImage(bytes);
            string tipName = filePaths[i].Substring(filePaths[i].LastIndexOf(@"\") + 1, filePaths[i].LastIndexOf('.') - filePaths[i].LastIndexOf('\\') - 1);
            string[] tempNames = tipName.Split("_");
            texture.name = tempNames[2];
            sprites[i] = texture;
        }
        return sprites;
    }

}