using System.Collections;
using System.IO;
using System.Net;
using InfinityCode.SmartGallery.Modules;
using UnityEngine;

namespace InfinityCode.SmartGallery.ContentTypes
{
    public class FtpTextureContent: RawImageContent
    {
        public string url;
        public string login;
        public string password;
        
        public override bool allowZoom => true;
        public override string name => "Ftp Texture";

        protected override void LoadContentData(Content content)
        {
            contentRawImage.enabled = false;
            messageSystem.SetLoadingState?.Invoke(true);
            content.viewer.StartCoroutine(LoadCoroutine());
        }

        private IEnumerator LoadCoroutine()
        {
            FtpWebRequest request = (FtpWebRequest)WebRequest.Create(url);
            request.Method = WebRequestMethods.Ftp.DownloadFile;
            request.Credentials = new NetworkCredential(login, password);
            FtpWebResponse response = (FtpWebResponse)request.GetResponse();
            Stream responseStream = response.GetResponseStream();
            StreamReader reader = new StreamReader(responseStream);
            
            byte[] bytes = new byte[responseStream.Length];
            reader.BaseStream.Read(bytes, 0, bytes.Length);
            
            Texture2D texture = new Texture2D(2, 2);
            texture.LoadImage(bytes);
            
            if (texture == null)
            {
                messageSystem.SetLoadingState?.Invoke(false);
                Debug.LogError("Texture is null.");
                yield break;
            }
            
            contentRawImage.texture = texture;
            contentRectTransform.sizeDelta = new Vector2(texture.width, texture.height);
            
            content.InitContentSize();
            content.AdjustSize();
            messageSystem.SetLoadingState?.Invoke(false);
        }

        protected override bool ValidateProperties()
        {
            return true;
        }
    }
}