__author__ = 'chunk'

import numpy as np

from .. import mjpeg
from ..msteg.steganography import LSB, F3, F4, F5
from ..common import *

package_dir = os.path.dirname(os.path.abspath(__file__))

timer = Timer()

sample = [[7, 12, 14, -12, 1, 0, -1, 0],
          [6, 5, -10, 0, 6, 0, 0, 0],
          [0, 6, -5, 4, 0, -1, 0, 0],
          [0, -3, 0, 1, -1, 0, 0, 0],
          [-3, 5, 0, 0, 0, 0, 0, 0],
          [2, -1, 0, 0, 0, 0, 0, 0],
          [0, 0, 0, 0, 0, 0, 0, 0],
          [0, 0, 0, 0, 0, 0, 0, 0]]

sample_key = [46812L, 20559L, 31360L, 16681L, 27536L, 39553L, 5427L, 63029L, 56572L, 36476L, 25695L, 61908L, 63014L,
              5908L, 59816L, 56765L]

txtsample = [116, 104, 105, 115, 32, 105, 115, 32, 116, 111, 32, 98, 101, 32, 101, 109, 98, 101, 100, 101, 100, 46, 10]


def test_F3():
    f3test = F3.F3()
    f3test.embed_raw_data(os.path.join(package_dir, "../res/50c488a2b163ca8a1f52da6022f03.jpg"),
                          os.path.join(package_dir, "../res/toembed"),
                          os.path.join(package_dir, "../res/steged.jpg"))
    f3test.extract_raw_data(os.path.join(package_dir, "../res/9aa4919175e2d379596fa9947f2e9.jpg"),
                            os.path.join(package_dir, "../res/extracted"))


def test_F5():
    f5test = F5.F5(sample_key, 1)
    f5test.embed_raw_data(os.path.join(package_dir, "../res/50c488a2b163ca8a1f52da6022f03.jpg"),
                          os.path.join(package_dir, "../res/toembed2"),
                          os.path.join(package_dir, "../res/steged.jpg"))
    f5test.extract_raw_data(os.path.join(package_dir, "../res/steged.jpg"),
                            os.path.join(package_dir, "../res/extracted"))


def test_steg():
    test_F5()


if __name__ == '__main__':
    # f3test = F3.F3()
    # f3test = F4.F4(sample_key)
    f3test = F5.F5(sample_key, 1)
    # f3test.embed_raw_data("res/test3.jpg", "res/embeded", "res/steged.jpg")
    f3test.embed_raw_data("res/thulib2.jpg", "res/lena64gray.jpg", "res/steged.jpg")

    # f3test2 = F4.F4(sample_key)
    f3test.extract_raw_data("res/steged.jpg", "res/extracted.jpg")
    print f3test.get_key()

    # f5test = F5.F5(sample_key, 1)

    pass