#!/usr/bin/env python

from __future__ import annotations

import argparse
import functools
import os
import pickle
import sys
import subprocess

from matplotlib import pyplot as plt

import gradio as gr
import numpy as np
import torch
import torch.nn as nn
from huggingface_hub import hf_hub_download
from transformers import pipeline

sys.path.append('.')
sys.path.append('./Time_TravelRephotography')
from utils import torch_helpers as th
from argparse import Namespace
from projector import (
    ProjectorArguments,
    main,
    create_generator,
    make_image,
)
sys.path.insert(0, 'StyleGAN-Human')

input_path = ''
spectral_sensitivity =  'b'
TITLE = 'Time-TravelRephotography'
DESCRIPTION = '''This is an unofficial demo for https://github.com/Time-Travel-Rephotography.
'''
ARTICLE = '<center><img src="https://visitor-badge.glitch.me/badge?page_id=Time-TravelRephotography" alt="visitor badge"/></center>'

TOKEN = "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"


pipe = pipeline("translation", model="Helsinki-NLP/opus-mt-en-es")

def parse_args() -> argparse.Namespace:
    parser = argparse.ArgumentParser()
    parser.add_argument('--device', type=str, default='cpu')
    parser.add_argument('--theme', type=str)
    parser.add_argument('--live', action='store_true')
    parser.add_argument('--share', action='store_true')
    parser.add_argument('--port', type=int)
    parser.add_argument('--disable-queue',
                        dest='enable_queue',
                        action='store_false')
    parser.add_argument('--allow-flagging', type=str, default='never')
    return parser.parse_args()

def load_model(file_name: str, path:str,device: torch.device) -> nn.Module:
    path = hf_hub_download(f'{path}',
                           f'{file_name}',
                           use_auth_token=TOKEN)
    with open(path, 'rb') as f:
        model = torch.load(f)
    model.eval()
    model.to(device)
    with torch.inference_mode():
        z = torch.zeros((1, model.z_dim)).to(device)
        label = torch.zeros([1, model.c_dim], device=device)
        model(z, label, force_fp32=True)
    return model
   
#def image_create(input_img):
    

def greet(name):
    return "Hello " + name + "!"
    
def main():
    #torch.cuda.init()
    #if torch.cuda.is_initialized():
    #    ini = "True1"
    #else:
    #    ini = "False1"
    #result = subprocess.check_output(['nvidia-smi'])
    #load_model("stylegan2-ffhq-config-f","feng2022/Time-TravelRephotography_stylegan2-ffhq-config-f",device)
    args = ProjectorArguments().parse(
        args=[str(input_path)],
        namespace=Namespace(
            spectral_sensitivity=spectral_sensitivity,
            encoder_ckpt=f"checkpoint/encoder/checkpoint_{spectral_sensitivity}.pt",
            encoder_name=spectral_sensitivity,
            #gaussian=gaussian_radius,
            log_visual_freq=1000,
            input='text',
        ))
    device = th.device()
    generator = create_generator("stylegan2-ffhq-config-f.pt","feng2022/Time-TravelRephotography_stylegan2-ffhq-config-f",args, device)
    latent = torch.randn((1, 512), device=device) 
    img_out, _, _ = generator([latent])
    imgs_arr = make_image(img_out)
    #iface = gr.Interface(
      #fn=image_create, 
      #inputs='text',
      #gr.outputs.Image(type='numpy', label='Output'),
      #title=TITLE,
      #description=DESCRIPTION,
      #article=ARTICLE,
        #theme=args.theme,
        #allow_flagging=args.allow_flagging,
        #live=args.live,
    #)
    
    #iface.launch(
        #enable_queue=args.enable_queue,
        #server_port=args.port,
        #share=args.share,
    #)
    #demo = gr.Interface(fn=image_create, inputs="text", outputs="image")
    #demo.launch()
    plt.figure(figsize=(10, 10))
    plt.imshow(imgs_arr[0])
    plt.show()
if __name__ == '__main__':
    main()