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

public class ImportImages : MonoBehaviour
{
    [SerializeField] private DownloadMod DM;
    [SerializeField] private GameObject ImagePrefab;
    [SerializeField] private Transform ImageContaier;
    [SerializeField] private List<GameObject> ImageList;
    private string FullImport;

    // Start is called before the first frame update
    void Start() {
        for (int i = 0; i < ImageList.Count; i++) {
            DestroyImmediate(ImageList[i]);
        }
        ImageList.Clear();
        
    }

    // Update is called once per frame
    void Update()
    {
        
    }

    public void FillMe(string A) {
        FullImport = A;
        string[] Images = A.Split(",");
        string ID = DM.CurrentJSON.Mod.Id.ToString();
        
        for (int i = 1; i < Images.Length; i++) {
            string Link = $"https://staticdelivery.nexusmods.com/mods/{Images[i]}";
            GameObject imagePrefab = Instantiate(ImagePrefab, ImageContaier);
            RawImage Screenie = imagePrefab.GetComponent<ImagePrefab>().FillMe(Link, DM, true);
            ImageList.Add(imagePrefab);
            StartCoroutine(LoadWebP(Link, Screenie));
        }
    }

    public void OpenModPage() {
        Application.OpenURL(DM.CurrentJSON.Mod.Url+"?GetImages=true");
    }	
    
    private IEnumerator LoadImage (string B, RawImage A) {
		UnityWebRequest WWW = UnityWebRequestTexture.GetTexture(B);
		yield return WWW.SendWebRequest();
		if (WWW.result != UnityWebRequest.Result.ConnectionError) {
			A.texture = DownloadHandlerTexture.GetContent(WWW);
			A.SetNativeSize();
			A.SizeToParent();
		}
	}
    
	private IEnumerator LoadWebP(string url, RawImage rawImage) {
		using (UnityWebRequest www = UnityWebRequest.Get(url)) {
			yield return www.SendWebRequest();

			if (www.result != UnityWebRequest.Result.Success) {
				Debug.LogError(www.error);
			} else {
				byte[] webPData = www.downloadHandler.data;
				if (webPData == null || webPData.Length ==   0) {
					Debug.LogError("No WebP data received.");
					yield break;
				}
				WebpImporter.ByteWebpTexture2D(webPData, (texture) => {
					rawImage.texture = texture;
				});

				rawImage.SetNativeSize();
				rawImage.SizeToParent();
			}
		}
	}

    public void SaveImages() {
        string[] Images = FullImport.Split(",");        
        for (int i = 1; i < Images.Length; i++) {
            string Link = $"https://staticdelivery.nexusmods.com/mods/{Images[i]}";
            GameObject imagePrefab = Instantiate(ImagePrefab, DM.ImageContainer);
            RawImage Screenie = imagePrefab.GetComponent<ImagePrefab>().FillMe(Link, DM);
            DM.ImagePrefabList.Add(imagePrefab);
            Screenie.texture = ImageList[i-1].GetComponent<ImagePrefab>().Image.texture;
			Screenie.SetNativeSize();
			Screenie.SizeToParent();
        //    StartCoroutine(LoadWebP(Link, Screenie));
        }
        
        DM.UpdateImagesJSON();
        gameObject.SetActive(false);

        for (int i = 0; i < ImageList.Count; i++) {
            DestroyImmediate(ImageList[i]);
        }
        ImageList.Clear();
    }
}