import csv
import gradio as gr
import glob
import pprint as pp
from sys import excepthook
from re import T
from urllib.parse import parse_qs, urlparse
import clip
import numpy as np
import requests
import torch
import io


from IPython.display import Image, display
from PIL import Image, ImageFont
import os
import cv2
import torch
import glob

# Model

def predict(text,img):
  model = torch.hub.load('ultralytics/yolov5', 'yolov5s')
  from PIL import Image
  img1 = Image.open(img).convert("RGB")
  results = model(img1)  
  dirpath = tempfile.mkdtemp()
  results.crop(save_dir=dirpath)
  path= dirpath+'/crops/**/*.jpg'
  txtfiles = []
  for file in glob.glob(path):
      txtfiles.append(file)

  l = []
  #keyList = list(range(len(txtfiles)))
  for filename in glob.glob(path):
    foo = Image.open(filename).convert('RGB')
    #resized_image = foo.resize((250,250))
    l.append(foo) 

  device = "cuda" if torch.cuda.is_available() else "cpu"
  model, preprocess = clip.load("ViT-B/32", device=device)

  images = torch.stack([preprocess(im) for im in l]).to(device)
  with torch.no_grad():
    image_features = model.encode_image(images)
    image_features /= image_features.norm(dim=-1, keepdim=True)

  image_features.cpu().numpy()

  image_mean = torch.tensor([0.48145466, 0.4578275, 0.40821073]).cuda()
  image_std = torch.tensor([0.26862954, 0.26130258, 0.27577711]).cuda()

  images = [preprocess(im) for im in l]
  image_input = torch.tensor(np.stack(images)).cuda()
  image_input -= image_mean[:, None, None]
  image_input /= image_std[:, None, None]
  with torch.no_grad():
      image_features = model.encode_image(image_input).float()
  image_features /= image_features.norm(dim=-1, keepdim=True)

  def get_top_N_semantic_similarity(similarity_list,N):
    results = zip(range(len(similarity_list)), similarity_list)
    results = sorted(results, key=lambda x: x[1],reverse= True)
    top_N_images = []
    scores=[]
    for index,score in results[:N]:
      scores.append(score)
      top_N_images.append(l[index])
    return scores,top_N_images

  #search_query = text

  with torch.no_grad():
      # Encode and normalize the description using CLIP
      text_encoded = model.encode_text(clip.tokenize([text]).to(device))
      text_encoded /= text_encoded.norm(dim=-1, keepdim=True)

  similarity = text_encoded.cpu().numpy() @ image_features.cpu().numpy().T
  similarity = similarity[0]
  scores,imgs= get_top_N_semantic_similarity(similarity,N=1)
  #print ("scores ",scores)
  #ipyplot.plot_images(imgs,img_width=350)
  return imgs[0]

text = gr.inputs.Textbox(lines=1, label="Text query", placeholder="Introduce the search text...",)
#img = gr.inputs.Image()

#img = "image"



gr.Interface(predict, ["image", text], outputs="image", title='Search inside image').launch();