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import os
import textwrap

import pytest

from selenium.webdriver.common.by import By
from selenium.webdriver.remote.webelement import WebElement
from selenium.webdriver.support import expected_conditions as EC
from selenium.webdriver.support.wait import WebDriverWait


@pytest.fixture
def get_local_path():
    current_dir = os.path.dirname(os.path.realpath(__file__))

    def wrapped(filename):
        full_path = os.path.join(current_dir, filename)
        return textwrap.fill(full_path, width=512)

    return wrapped


@pytest.mark.xfail_safari
def test_can_upload_file(driver, pages, get_local_path):
    pages.load("upload.html")

    driver.find_element(By.ID, "upload").send_keys(get_local_path("test_file.txt"))
    driver.find_element(By.ID, "go").click()
    driver.switch_to.frame(driver.find_element(By.ID, "upload_target"))

    WebDriverWait(driver, 10).until(EC.text_to_be_present_in_element((By.CSS_SELECTOR, "body"), "test_file.txt"))


@pytest.mark.xfail_safari
def test_can_upload_two_files(driver, pages, get_local_path):
    pages.load("upload.html")
    two_file_paths = get_local_path("test_file.txt") + "\n" + get_local_path("test_file2.txt")
    driver.find_element(By.ID, "upload").send_keys(two_file_paths)
    driver.find_element(By.ID, "go").click()
    driver.switch_to.frame(driver.find_element(By.ID, "upload_target"))

    WebDriverWait(driver, 10).until(EC.text_to_be_present_in_element((By.CSS_SELECTOR, "body"), "test_file.txt"))
    WebDriverWait(driver, 10).until(EC.text_to_be_present_in_element((By.CSS_SELECTOR, "body"), "test_file2.txt"))


@pytest.mark.xfail_firefox
@pytest.mark.xfail_chrome
@pytest.mark.xfail_edge
@pytest.mark.xfail_safari
def test_file_is_uploaded_to_remote_machine_on_select(driver, pages, get_local_path):
    uploaded_files = []
    original_upload_func = WebElement._upload

    def mocked_upload_func(self, filename):
        uploaded_files.append(filename)
        return original_upload_func(self, filename)

    WebElement._upload = mocked_upload_func
    try:
        pages.load("upload.html")
        two_file_paths = get_local_path("test_file.txt") + "\n" + get_local_path("test_file2.txt")
        driver.find_element(By.ID, "upload").send_keys(two_file_paths)
        assert len(uploaded_files) == 2
        assert uploaded_files[0] == get_local_path("test_file.txt")
        assert uploaded_files[1] == get_local_path("test_file2.txt")
    finally:
        WebElement._upload = original_upload_func
