import unittest
import dyn2py
import pathlib
import platform

from tests.support import *


class TestFile(unittest.TestCase):

    # Methods to test:
    #  is_dynamo_file
    #  is_python_file

    def test_init(self):
        paths = [
            f"{INPUT_DIR}/python_nodes.dyn",
            pathlib.Path(f"{INPUT_DIR}/python_nodes.dyn")
        ]

        if platform.system() == "Windows":
            paths.extend([
                fr"{INPUT_DIR}\python_nodes.dyn",
                pathlib.Path(fr"{INPUT_DIR}\python_nodes.dyn")
            ])

        for path in paths:
            the_file = dyn2py.File(path)

            self.assertEqual(the_file.filepath,
                             pathlib.Path(f"{INPUT_DIR}/python_nodes.dyn"))
            self.assertEqual(the_file.basename, "python_nodes")
            self.assertEqual(the_file.dirpath, pathlib.Path(INPUT_DIR))
            self.assertEqual(the_file.realpath, pathlib.Path(path).resolve())

            self.assertTrue(the_file.exists)
            self.assertEqual(the_file.extension, ".dyn")
            self.assertFalse(the_file.modified)

    def test_init_newfile(self):
        paths = [
            f"{INPUT_DIR}/new_file.dyn",
            pathlib.Path(f"{INPUT_DIR}/new_file.dyn")
        ]

        if platform.system() == "Windows":
            paths.extend([
                fr"{INPUT_DIR}\new_file.dyn",
                pathlib.Path(fr"{INPUT_DIR}\new_file.dyn")
            ])

        for path in paths:
            the_file = dyn2py.File(path)

            self.assertEqual(the_file.filepath,
                             pathlib.Path(f"{INPUT_DIR}/new_file.dyn"))
            self.assertEqual(the_file.basename, "new_file")
            self.assertEqual(the_file.dirpath, pathlib.Path(INPUT_DIR))
            self.assertEqual(the_file.realpath, pathlib.Path(path).resolve())

            self.assertEqual(the_file.mtime, 0.0)
            self.assertEqual(the_file.mtimeiso, "")
            self.assertFalse(the_file.exists)
            self.assertEqual(the_file.extension, ".dyn")
            self.assertFalse(the_file.modified)

    def test_newer(self):
        older_file = dyn2py.File(f"{INPUT_DIR}/python_nodes.dyn")
        newer_file = dyn2py.File(f"{INPUT_DIR}/no_python.dyn")
        nonexisting_file = dyn2py.File(f"{INPUT_DIR}/new_file.dyn")

        self.assertTrue(newer_file.is_newer(older_file))
        self.assertTrue(newer_file.is_newer(nonexisting_file))

        self.assertFalse(older_file.is_newer(newer_file))
        self.assertTrue(older_file.is_newer(nonexisting_file))

        self.assertFalse(nonexisting_file.is_newer(older_file))
        self.assertFalse(nonexisting_file.is_newer(newer_file))

    def test_write(self):
        existing_file = dyn2py.File(f"{INPUT_DIR}/python_nodes.dyn")
        nonexisting_file = dyn2py.File(f"{INPUT_DIR}/new_file.dyn")
        options = dyn2py.Options()

        with self.assertRaises(TypeError):
            existing_file.write(options)

        with self.assertRaises(TypeError):
            nonexisting_file.write(options)