using System;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.UI;
using ZXKFramework;
public class ImagePanel : UIBase
{
    public override string Name => "ImagePanel";
    public override string GroupName => UIGroupLiao.Image.ToString();
    Button left;
    Button right;
    Text imageName;
    Button closeBtn;
    Image image;
    Image maxImage;
    List<int> list = new();
    GameModel gameModel;
    int imageId = 0;
    int id;
    public override void HandleEvent(string name, object data) { }
    public override void Init(IUIManager uictrl)
    {
        base.Init(uictrl);
        left = transform.FindFirst<Button>("Left");
        left.onClick.AddListener(TurnLeft);
        right = transform.FindFirst<Button>("Right");
        right.onClick.AddListener(TurnRight);
        closeBtn = transform.FindFirst<Button>("Close");
        closeBtn.onClick.AddListener(() => {
            SetActive(false);
            Game.Instance.eventManager.Raise(new CloseImageEvent() { id = id });
        });
        imageName = transform.FindFirst<Text>("Name");
        image = transform.FindFirst<Image>("Image");
        maxImage = transform.FindFirst<Image>("MaxImage");
        gameModel = GetModel<GameModel>();
    }
    public override void ShowData(params object[] obj)
    {
        base.ShowData(obj);
        id = (int)obj[0];
        for (int i = 0; i < gameModel.imageData.GetImageDataList().Count; i++)
        {
            if (gameModel.imageData.GetImageDataList()[i].Group == gameModel.mainData.GetImageGroup(id))
            {
                list.Add(gameModel.imageData.GetImageDataList()[i].id);
            }
        }
    }
    public override void Show()
    {
        base.Show();
        if (list.Count == 1)
        {
            left.gameObject.SetActive(false);
            right.gameObject.SetActive(false);
        }
        else
        {
            left.gameObject.SetActive(false);
            right.gameObject.SetActive(true);
        }
        ChangeImage(imageId);
    }
    public override void Hide()
    {
        base.Hide();
        list.Clear();
        imageId = 0;
    }
    private void TurnLeft()
    {
        imageId--;
        if (imageId == 0)
        {
            left.gameObject.SetActive(false);
            right.gameObject.SetActive(true);
        }
        else
        {
            right.gameObject.SetActive(true);
            left.gameObject.SetActive(true);
        }
        ChangeImage(imageId);
    }
    private void TurnRight()
    {
        imageId++;
        if (imageId == list.Count - 1)
        {
            right.gameObject.SetActive(false);
            left.gameObject.SetActive(true);
        }
        else
        {
            right.gameObject.SetActive(true);
            left.gameObject.SetActive(true);
        }
        ChangeImage(imageId);
    }
    private void ChangeImage(int value)
    {
        for (int i = 0; i < list.Count; i++)
        {
            if (i == value)
            {
                Game.Instance.res.Load<Texture2D>(gameModel.imageData.GetImagePath(list[i]), m => {
                    image.sprite = UnityTools.ToSprite(m);
                    float w = m.width;
                    float h = m.height;
                    if(w < 1000)
                    {
                        h = (float)Math.Round(1000f / w, 2) * h;
                        w = 1000;
                    }
                    if (w > 1000)
                    {
                        h = (float)Math.Round(1000f / w, 2) * h;
                        w = 1000;
                    }
                    if (h > 800)
                    {
                        w = (float)Math.Round(800f / h, 2) * w;
                        h = 800;
                    }
                    image.rectTransform.sizeDelta = new Vector2(w, h);
                    maxImage.sprite = UnityTools.ToSprite(m);
                    float w2 = m.width;
                    float h2 = m.height;
                    if (w2 < 1920)
                    {
                        h2 = (float)Math.Round(1920 / w2, 2) * h2;
                        w2 = 1920;
                    }
                    if (w2 > 1920)
                    {
                        h2 = (float)Math.Round(1920 / w2, 2) * h2;
                        w2 = 1920;
                    }
                    if (h2 > 1080)
                    {
                        w2 = (float)Math.Round(1080 / h2, 2) * w2;
                        h2 = 1080;
                    }
                    maxImage.rectTransform.sizeDelta = new Vector2(w2, h2);
                    imageName.text = gameModel.imageData.GetImageName(list[i]);
                    Game.Instance.eventManager.Raise(new ImageChangeEvent() { id = list[i] });
                });
            }
        }
    }
}