import importlib
import textwrap

import normalizeSelection


def test_dictionary_mouse_mover():
    """Having the mouse cursor on second line, 'my_dict = {' and pressing shift+enter should bring the mouse cursor to line 6, on and to be able to run 'print('only send the dictionary')'."""
    importlib.reload(normalizeSelection)
    src = textwrap.dedent(
        """\
        not_dictionary = 'hi'
        my_dict = {
            "key1": "value1",
            "key2": "value2"
        }
        print('only send the dictionary')
        """
    )

    result = normalizeSelection.traverse_file(src, 2, 2, was_highlighted=False)

    assert result["which_line_next"] == 6


def test_beginning_func():
    """Pressing shift+enter on the very first line, of function definition, such as 'my_func():'.

    It should properly skip the comment and assert the next executable line to be
    executed is line 5 at 'my_dict = {'.
    """
    importlib.reload(normalizeSelection)
    src = textwrap.dedent(
        """\
        def my_func():
            print("line 2")
            print("line 3")
        # Skip line 4 because it is a comment
        my_dict = {
            "key1": "value1",
            "key2": "value2"
        }
        """
    )

    result = normalizeSelection.traverse_file(src, 1, 1, was_highlighted=False)

    assert result["which_line_next"] == 5


def test_cursor_forloop():
    importlib.reload(normalizeSelection)
    src = textwrap.dedent(
        """\
        lucid_dream = ["Corgi", "Husky", "Pomsky"]
        for dogs in lucid_dream: # initial starting position
            print(dogs)
            print("I wish I had a dog!")

        print("This should be the next block that should be ran")
        """
    )

    result = normalizeSelection.traverse_file(src, 2, 2, was_highlighted=False)

    assert result["which_line_next"] == 6


def test_inside_forloop():
    importlib.reload(normalizeSelection)
    src = textwrap.dedent(
        """\
        for food in lucid_dream:
            print("We are starting") # initial starting position
            print("Next cursor should be here!")

        """
    )

    result = normalizeSelection.traverse_file(src, 2, 2, was_highlighted=False)

    assert result["which_line_next"] == 3


def test_skip_sameline_statements():
    importlib.reload(normalizeSelection)
    src = textwrap.dedent(
        """\
        print("Audi");print("BMW");print("Mercedes")
        print("Next line to be run is here!")
        """
    )
    result = normalizeSelection.traverse_file(src, 1, 1, was_highlighted=False)

    assert result["which_line_next"] == 2


def test_skip_multi_comp_lambda():
    importlib.reload(normalizeSelection)
    src = textwrap.dedent(
        """\
        (
        my_first_var
        for my_first_var in range(1, 10)
        if my_first_var % 2 == 0
        )

        my_lambda = lambda x: (
            x + 1
        )
        """
    )

    result = normalizeSelection.traverse_file(src, 1, 1, was_highlighted=False)
    # Shift enter from the very first ( should make
    # next executable statement as the lambda expression
    assert result["which_line_next"] == 7


def test_move_whole_class():
    """Shift+enter on a class definition should move the cursor after running whole class."""
    importlib.reload(normalizeSelection)
    src = textwrap.dedent(
        """\
        class Stub(object):
            def __init__(self):
                self.calls = []

            def add_call(self, name, args=None, kwargs=None):
                self.calls.append((name, args, kwargs))
        print("We should be here after running whole class")
        """
    )
    result = normalizeSelection.traverse_file(src, 1, 1, was_highlighted=False)

    assert result["which_line_next"] == 7


def test_def_to_def():
    importlib.reload(normalizeSelection)
    src = textwrap.dedent(
        """\
        def my_dogs():
            print("Corgi")
            print("Husky")
            print("Corgi2")
            print("Husky2")
            print("no dogs")

        # Skip here
        def next_func():
            print("Not here but above")
        """
    )
    result = normalizeSelection.traverse_file(src, 1, 1, was_highlighted=False)

    assert result["which_line_next"] == 9


def test_try_catch_move():
    importlib.reload(normalizeSelection)
    src = textwrap.dedent(
        """\
        try:
            1+1
        except:
            print("error")

        print("Should be here afterwards")
        """
    )

    result = normalizeSelection.traverse_file(src, 1, 1, was_highlighted=False)
    assert result["which_line_next"] == 6


def test_skip_nested():
    importlib.reload(normalizeSelection)
    src = textwrap.dedent(
        """\
        for i in range(1, 6):
            for j in range(1, 6):
                for x in range(1, 5):
                    for y in range(1, 5):
                        for z in range(1,10):
                            print(i, j, x, y, z)

        print("Cursor should be here after running line 1")
        """
    )
    result = normalizeSelection.traverse_file(src, 1, 1, was_highlighted=False)
    assert result["which_line_next"] == 8