# Copyright 2022 Huawei Technologies Co., Ltd
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
# ============================================================================

import numpy as np
import matplotlib.image as mp
from mindspore import context, Tensor
import mindspore
from mindspore.dataset.vision.py_transforms import ToTensor
import mindspore.dataset.vision.py_transforms as P
from mindspore.dataset.vision.py_transforms import ToPIL as ToPILImage
from FaceRecognition.eval import get_net
import AFR

context.set_context(mode=context.GRAPH_MODE, device_target="GPU")


imageize = ToPILImage()

if __name__ == '__main__':
    """
    The input image, target image and adversarial image are tested using the FaceRecognition model.
    """

    image = AFR.load_data('opencv_photo/adv_input')
    inputs = AFR.load_data('opencv_photo/input/')
    targets = AFR.load_data('opencv_photo/target/')

    tensorize = ToTensor()
    normalize = P.Normalize(mean=[0.485, 0.456, 0.406], std=[0.229, 0.224, 0.225])
    expand_dims = mindspore.ops.ExpandDims()
    MEAN = Tensor([0.485, 0.456, 0.406])
    STD = Tensor([0.229, 0.224, 0.225])

    resnet = get_net()

    image = mp.imread("./对抗图像.jpg")
    adv = Tensor(normalize(tensorize(image)))

    input_tensor = Tensor(normalize(tensorize(inputs[0])))
    target_tensor = Tensor(normalize(tensorize(targets[0])))

    adversarial_emb = resnet(expand_dims(adv, 0))
    input_emb = resnet(expand_dims(input_tensor, 0))
    target_emb = resnet(expand_dims(target_tensor, 0))

    adversarial = np.argmax(adversarial_emb.asnumpy())
    target = np.argmax(target_emb.asnumpy())
    input = np.argmax(input_emb.asnumpy())

    print("input:", input)
    print("input_confidence:", input_emb.asnumpy()[0][input])
    print("================================")
    print("adversarial:", adversarial)
    print("adversarial_confidence:", adversarial_emb.asnumpy()[0][adversarial])
    print("Confidence changes for input:", adversarial_emb.asnumpy()[0][input])
    print("================================")

    print("input:%d, target:%d, adversarial:%d" % (input, target, adversarial))