import os
from PIL import Image
import torch
import gradio as gr
import torch
torch.backends.cudnn.benchmark = True
from torchvision import transforms, utils
from util import *
from PIL import Image
import math
import random
import numpy as np
from torch import nn, autograd, optim
from torch.nn import functional as F
from tqdm import tqdm
import lpips
from model import *


#from e4e_projection import projection as e4e_projection

from copy import deepcopy
import imageio

import os
import sys
import numpy as np
from PIL import Image
import torch
import torchvision.transforms as transforms
from argparse import Namespace
from e4e.models.psp import pSp
from util import *

os.makedirs('models', exist_ok=True)
os.system("gdown https://drive.google.com/uc?id=1jtCg8HQ6RlTmLdnbT2PfW1FJ2AYkWqsK")
os.system("cp e4e_ffhq_encode.pt models/e4e_ffhq_encode.pt")

device= 'cpu'
model_path = 'models/e4e_ffhq_encode.pt'
ckpt = torch.load(model_path, map_location='cpu')
opts = ckpt['opts']
opts['checkpoint_path'] = model_path
opts= Namespace(**opts)
net = pSp(opts, device).eval().to(device)

@ torch.no_grad()
def projection(img, name, device='cuda'):
 
    
    transform = transforms.Compose(
        [
            transforms.Resize(256),
            transforms.CenterCrop(256),
            transforms.ToTensor(),
            transforms.Normalize([0.5, 0.5, 0.5], [0.5, 0.5, 0.5]),
        ]
    )
    img = transform(img).unsqueeze(0).to(device)
    images, w_plus = net(img, randomize_noise=False, return_latents=True)
    result_file = {}
    result_file['latent'] = w_plus[0]
    torch.save(result_file, name)
    return w_plus[0]



os.system("wget http://dlib.net/files/shape_predictor_68_face_landmarks.dat.bz2")
os.system("bzip2 -dk shape_predictor_68_face_landmarks.dat.bz2")
os.system("mv shape_predictor_68_face_landmarks.dat models/dlibshape_predictor_68_face_landmarks.dat")


device = 'cpu' 

os.system("gdown https://drive.google.com/uc?id=1_cTsjqzD_X9DK3t3IZE53huKgnzj_btZ")

latent_dim = 512

original_generator = Generator(1024, latent_dim, 8, 2).to(device)
ckpt = torch.load('stylegan2-ffhq-config-f.pt', map_location=lambda storage, loc: storage)
original_generator.load_state_dict(ckpt["g_ema"], strict=False)
mean_latent = original_generator.mean_latent(10000)

generatorjojo = deepcopy(original_generator)

generatordisney = deepcopy(original_generator)

generatorjinx = deepcopy(original_generator)

generatorcaitlyn = deepcopy(original_generator)

generatoryasuho = deepcopy(original_generator)

generatorarcanemulti = deepcopy(original_generator)

generatorart = deepcopy(original_generator)

generatorspider = deepcopy(original_generator)


transform = transforms.Compose(
    [
        transforms.Resize((1024, 1024)),
        transforms.ToTensor(),
        transforms.Normalize((0.5, 0.5, 0.5), (0.5, 0.5, 0.5)),
    ]
)



os.system("wget https://huggingface.co/akhaliq/JoJoGAN-jojo/resolve/main/jojo_preserve_color.pt")

ckptjojo = torch.load('jojo_preserve_color.pt', map_location=lambda storage, loc: storage)
generatorjojo.load_state_dict(ckptjojo["g"], strict=False)

os.system("wget https://huggingface.co/akhaliq/jojogan-disney/resolve/main/disney_preserve_color.pt")

ckptdisney = torch.load('disney_preserve_color.pt', map_location=lambda storage, loc: storage)
generatordisney.load_state_dict(ckptdisney["g"], strict=False)

os.system("wget https://huggingface.co/akhaliq/jojo-gan-jinx/resolve/main/arcane_jinx_preserve_color.pt")

ckptjinx = torch.load('arcane_jinx_preserve_color.pt', map_location=lambda storage, loc: storage)
generatorjinx.load_state_dict(ckptjinx["g"], strict=False)

os.system("wget https://huggingface.co/akhaliq/jojogan-arcane/resolve/main/arcane_caitlyn_preserve_color.pt")

ckptcaitlyn = torch.load('arcane_caitlyn_preserve_color.pt', map_location=lambda storage, loc: storage)
generatorcaitlyn.load_state_dict(ckptcaitlyn["g"], strict=False)

os.system("wget https://huggingface.co/akhaliq/JoJoGAN-jojo/resolve/main/jojo_yasuho_preserve_color.pt")

ckptyasuho = torch.load('jojo_yasuho_preserve_color.pt', map_location=lambda storage, loc: storage)
generatoryasuho.load_state_dict(ckptyasuho["g"], strict=False)

os.system("wget https://huggingface.co/akhaliq/jojogan-arcane/resolve/main/arcane_multi_preserve_color.pt")

ckptarcanemulti = torch.load('arcane_multi_preserve_color.pt', map_location=lambda storage, loc: storage)
generatorarcanemulti.load_state_dict(ckptarcanemulti["g"], strict=False)

os.system("wget https://huggingface.co/akhaliq/jojo-gan-art/resolve/main/art.pt")

ckptart = torch.load('art.pt', map_location=lambda storage, loc: storage)
generatorart.load_state_dict(ckptart["g"], strict=False)

os.system("wget https://huggingface.co/akhaliq/jojo-gan-spiderverse/resolve/main/Spiderverse-face-500iters-8face.pt")

ckptspider = torch.load('Spiderverse-face-500iters-8face.pt', map_location=lambda storage, loc: storage)
generatorspider.load_state_dict(ckptspider["g"], strict=False)


def inference(img, model):    
    aligned_face = align_face(img)
        
    my_w = projection(aligned_face, "test.pt", device).unsqueeze(0)
    if model == 'JoJo':
        with torch.no_grad():
            my_sample = generatorjojo(my_w, input_is_latent=True)  
    elif model == 'Disney':
        with torch.no_grad():
            my_sample = generatordisney(my_w, input_is_latent=True)
    elif model == 'Jinx':
        with torch.no_grad():
            my_sample = generatorjinx(my_w, input_is_latent=True)
    elif model == 'Caitlyn':
        with torch.no_grad():
            my_sample = generatorcaitlyn(my_w, input_is_latent=True)
    elif model == 'Yasuho':
        with torch.no_grad():
            my_sample = generatoryasuho(my_w, input_is_latent=True)
    elif model == 'Arcane Multi':
        with torch.no_grad():
            my_sample = generatorarcanemulti(my_w, input_is_latent=True)
    elif model == 'Art':
        with torch.no_grad():
            my_sample = generatorart(my_w, input_is_latent=True)
    else:
        with torch.no_grad():
            my_sample = generatorspider(my_w, input_is_latent=True)
            
    
    npimage = my_sample[0].permute(1, 2, 0).detach().numpy()
    imageio.imwrite('filename.jpeg', npimage)
    return 'filename.jpeg'
  
title = "JoJoGAN"
description = "Gradio Demo for JoJoGAN: One Shot Face Stylization. To use it, simply upload your image, or click one of the examples to load them. Read more at the links below."

article = "<p style='text-align: center'><a href='https://arxiv.org/abs/2112.11641' target='_blank'>JoJoGAN: One Shot Face Stylization</a>| <a href='https://github.com/mchong6/JoJoGAN' target='_blank'>Github Repo Pytorch</a></p> <center><img src='https://visitor-badge.glitch.me/badge?page_id=akhaliq_jojogan' alt='visitor badge'></center>"

examples=[['mona.png','Jinx']]
gr.Interface(inference, [gr.inputs.Image(type="filepath"),gr.inputs.Dropdown(choices=['JoJo', 'Disney','Jinx','Caitlyn','Yasuho','Arcane Multi','Art','Spider-Verse'], type="value", default='JoJo', label="Model")], gr.outputs.Image(type="file"),title=title,description=description,article=article,allow_flagging=False,examples=examples,allow_screenshot=False,enable_queue=True).launch()