# -*- coding: utf-8 -*-
"""
@author: caigentan@AnHui University
@software: PyCharm
@file: test.py
@time: 2021/11/25 10:12
"""
import torch
import torch.nn.functional as F
import sys


sys.path.append('./models')
import numpy as np
import os, argparse
import cv2
from models.hrt import HighResolutionTransformer
from data import test_dataset
import yaml

path = "./config/hrt_base.yaml"
config = yaml.load(open(path, 'r'), yaml.SafeLoader)['MODEL']['HRT']

parser = argparse.ArgumentParser()
parser.add_argument('--testsize', type=int, default=224, help='testing size')
parser.add_argument('--gpu_id', type=str, default='0', help='select gpu id')
parser.add_argument('--test_path',type=str,default='',help='test dataset path')
opt = parser.parse_args()

dataset_path = opt.test_path

#set device for test
if opt.gpu_id=='0':
    os.environ["CUDA_VISIBLE_DEVICES"] = "0"
    print('USE GPU 0')
elif opt.gpu_id=='1':
    os.environ["CUDA_VISIBLE_DEVICES"] = "1"
    print('USE GPU 1')

#load the model
model = HighResolutionTransformer(config, 1000)

model.load_state_dict(torch.load('.pth'))
model.cuda()
model.eval()

# test
model.cuda()
model.eval()

test_datasets = ['DES']
for dataset in test_datasets:
    save_path = '.' + dataset + '/'
    if not os.path.exists(save_path):
        os.makedirs(save_path)
        os.makedirs(edge_save_path)
    image_root = dataset_path + dataset + '/RGB/'
    gt_root = dataset_path + dataset + '/GT/'
    depth_root = dataset_path + dataset + '/depth/'
    test_loader = test_dataset(image_root, gt_root, depth_root, opt.testsize)
    for i in range(test_loader.size):
        image, gt, depth, name, image_for_post = test_loader.load_data()
        gt = np.asarray(gt, np.float32)
        gt /= (gt.max() + 1e-8)
        image = image.cuda()
        depth = depth.cuda()
        res= model(image,depth)
        res = F.upsample(res, size=gt.shape, mode='bilinear', align_corners=False)
        res = res.sigmoid().data.cpu().numpy().squeeze()
        res = (res - res.min()) / (res.max() - res.min() + 1e-8)
        print('save img to: ',save_path+name)
        cv2.imwrite(save_path + name, res*255)
    print('Test Done!')
