import unittest
import shutil

from detection.utils import read_file_content
from .final_tests_util import clone_repo, Path, inject_random_backdoor
from detection.Regexdetection import find_dangerous_functions
from detection.GPTdetection import detectGPT


class TestFinalTests(unittest.TestCase):
    def setUp(self) -> None:
        self.path = "./tmp/repo"
        shutil.rmtree(self.path, ignore_errors=True)
        clone_repo("https://github.com/injetlee/Python.git", self.path)
        sampleRate = 0.1
        self.inject_reslt = inject_random_backdoor(self.path, sample_rate=sampleRate)
        self.injectedNum = len(self.inject_reslt)
        print(self.injectedNum)
        project_path = Path(self.path)
        self.all_python_files = list(project_path.rglob("*.py"))
        self.py_filesNum = len(self.all_python_files)
        self.trueRate = self.injectedNum / self.py_filesNum
        print(self.trueRate)

    # test backdoor code in python files
    def test_final_tests_pycode(self):
        detectedNum = 0
        possibly_dangerous_file = []
        for file in self.all_python_files:
            content = read_file_content(str(file))
            results = find_dangerous_functions(content, ".py")
            if (
                len(results["high"]) > 0
                or len(results["medium"]) > 0
                or len(results["low"]) > 0
            ):
                detectedNum += 1
                possibly_dangerous_file.append(file)
        print(detectedNum / self.py_filesNum)
        self.assertAlmostEqual(detectedNum, self.py_filesNum, places=1)
        GPTdetectedNum = 0

        for i in possibly_dangerous_file:
            content = read_file_content(str(i))
            results = {}
            try:
                results = detectGPT(content)
                if (
                    len(results["high"]) > 0
                    or len(results["medium"]) > 0
                    or len(results["low"]) > 0
                ):
                    GPTdetectedNum += 1
                print(GPTdetectedNum)
                self.assertGreaterEqual(GPTdetectedNum, detectedNum)

            except Exception as e:
                print(e)

        # test pickle files
        pickle_detectedNum = 0
        pickle_tureNum = len(list(Path(self.path).glob("*.pickle")))

        self.assertAlmostEqual(pickle_detectedNum, pickle_tureNum, places=1)

        # test pyc files
        pyc_detectedNum = 0
        pyc_tureNum = len(list(Path(self.path).glob("*.pyc")))
        self.assertAlmostEqual(pyc_detectedNum, pyc_tureNum, places=1)


if __name__ == "__main__":
    unittest.main()