// <copyright file="CombinedInputActionsTest.cs" company="Selenium Committers">
// Licensed to the Software Freedom Conservancy (SFC) under one
// or more contributor license agreements.  See the NOTICE file
// distributed with this work for additional information
// regarding copyright ownership.  The SFC licenses this file
// to you under the Apache License, Version 2.0 (the
// "License"); you may not use this file except in compliance
// with the License.  You may obtain a copy of the License at
//
//   http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing,
// software distributed under the License is distributed on an
// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
// KIND, either express or implied.  See the License for the
// specific language governing permissions and limitations
// under the License.
// </copyright>

using NUnit.Framework;
using OpenQA.Selenium.Environment;
using System;
using System.Collections.ObjectModel;
using System.Drawing;
using System.Runtime.InteropServices;

namespace OpenQA.Selenium.Interactions;

[TestFixture]
public class CombinedInputActionsTest : DriverTestFixture
{
    [SetUp]
    public void Setup()
    {
        // new Actions(driver).SendKeys(Keys.Null).Perform();
        IActionExecutor actionExecutor = driver as IActionExecutor;
        if (actionExecutor != null)
        {
            actionExecutor.ResetInputState();
        }
    }

    [TearDown]
    public void ReleaseModifierKeys()
    {
        // new Actions(driver).SendKeys(Keys.Null).Perform();
        IActionExecutor actionExecutor = driver as IActionExecutor;
        if (actionExecutor != null)
        {
            actionExecutor.ResetInputState();
        }
    }

    [Test]
    [IgnoreBrowser(Browser.IE, "IE reports [0,0] as location for <option> elements")]
    public void PlainClickingOnMultiSelectionList()
    {
        driver.Url = formSelectionPage;

        ReadOnlyCollection<IWebElement> options = driver.FindElements(By.TagName("option"));

        Actions actionBuider = new Actions(driver);
        IAction selectThreeOptions = actionBuider.Click(options[1])
            .Click(options[2])
            .Click(options[3]).Build();

        selectThreeOptions.Perform();

        IWebElement showButton = driver.FindElement(By.Name("showselected"));
        showButton.Click();

        IWebElement resultElement = driver.FindElement(By.Id("result"));
        Assert.That(resultElement.Text, Is.EqualTo("cheddar"), "Should have picked the third option only.");
    }

    [Test]
    public void ShouldAllowSettingActivePointerWithKeyBoardActions()
    {
        driver.Url = loginPage;

        IWebElement username = driver.FindElement(By.Id("username-field"));
        IWebElement password = driver.FindElement(By.Id("password-field"));
        IWebElement login = driver.FindElement(By.Id("login-form-submit"));

        Actions actionProvider = new Actions(driver);
        IAction loginAction = actionProvider
        .SendKeys(username, "username")
        .SendKeys(password, "password")
        .SetActivePointer(PointerKind.Mouse, "test")
        .MoveToElement(login)
        .Click()
        .Build();

        loginAction.Perform();

        IAlert alert = driver.SwitchTo().Alert();
        Assert.That(alert.Text, Is.EqualTo("You have successfully logged in."));

        alert.Accept();
    }

    [Test]
    [IgnoreBrowser(Browser.IE, "IE reports [0,0] as location for <option> elements")]
    public void ShiftClickingOnMultiSelectionList()
    {
        driver.Url = formSelectionPage;

        ReadOnlyCollection<IWebElement> options = driver.FindElements(By.TagName("option"));

        Actions actionBuider = new Actions(driver);
        IAction selectThreeOptions = actionBuider.Click(options[1])
            .KeyDown(Keys.Shift)
            .Click(options[2])
            .Click(options[3])
            .KeyUp(Keys.Shift).Build();

        selectThreeOptions.Perform();

        IWebElement showButton = driver.FindElement(By.Name("showselected"));
        showButton.Click();

        IWebElement resultElement = driver.FindElement(By.Id("result"));
        Assert.That(resultElement.Text, Is.EqualTo("roquefort parmigiano cheddar"), "Should have picked the last three options.");
    }

    [Test]
    [IgnoreBrowser(Browser.IE, "IE reports [0,0] as location for <option> elements")]
    public void ControlClickingOnMultiSelectionList()
    {
        string controlModifier = Keys.Control;
        if (RuntimeInformation.IsOSPlatform(OSPlatform.OSX))
        {
            controlModifier = Keys.Command;
        }

        driver.Url = formSelectionPage;

        ReadOnlyCollection<IWebElement> options = driver.FindElements(By.TagName("option"));

        Actions actionBuider = new Actions(driver);
        IAction selectThreeOptions = actionBuider.Click(options[1])
            .KeyDown(controlModifier)
            .Click(options[3])
            .KeyUp(controlModifier).Build();

        selectThreeOptions.Perform();

        IWebElement showButton = driver.FindElement(By.Name("showselected"));
        showButton.Click();

        IWebElement resultElement = driver.FindElement(By.Id("result"));
        Assert.That(resultElement.Text, Is.EqualTo("roquefort cheddar"), "Should have picked the first and third options.");
    }

    [Test]
    public void ControlClickingOnCustomMultiSelectionList()
    {
        string controlModifier = Keys.Control;
        if (RuntimeInformation.IsOSPlatform(OSPlatform.OSX))
        {
            controlModifier = Keys.Command;
        }

        driver.Url = selectableItemsPage;

        IWebElement reportingElement = driver.FindElement(By.Id("infodiv"));

        Assert.That(reportingElement.Text, Is.EqualTo("no info"));

        ReadOnlyCollection<IWebElement> listItems = driver.FindElements(By.TagName("li"));

        IAction selectThreeItems = new Actions(driver).KeyDown(controlModifier)
            .Click(listItems[1])
            .Click(listItems[3])
            .Click(listItems[5])
            .KeyUp(controlModifier).Build();

        selectThreeItems.Perform();

        Assert.That(reportingElement.Text, Is.EqualTo("#item2 #item4 #item6"));

        // Now click on another element, make sure that's the only one selected.
        new Actions(driver).Click(listItems[6]).Build().Perform();
        Assert.That(reportingElement.Text, Is.EqualTo("#item7"));
    }

    [Test]
    public void CanMoveMouseToAnElementInAnIframeAndClick()
    {
        driver.Url = EnvironmentManager.Instance.UrlBuilder.WhereIs("click_tests/click_in_iframe.html");

        WaitFor<IWebElement>(() => driver.FindElement(By.Id("ifr")), "Did not find element");
        driver.SwitchTo().Frame("ifr");

        try
        {
            IWebElement link = driver.FindElement(By.Id("link"));

            new Actions(driver)
                .MoveToElement(link)
                .Click()
                .Perform();

            WaitFor(() => driver.Title == "Submitted Successfully!", "Browser title not correct");
        }
        finally
        {
            driver.SwitchTo().DefaultContent();
        }
    }

    [Test]
    public void CanClickOnLinks()
    {
        this.NavigateToClicksPageAndClickLink();
    }

    [Test]
    public void CanClickOnLinksWithAnOffset()
    {
        driver.Url = clicksPage;

        WaitFor(() => { return driver.FindElement(By.Id("normal")); }, "Could not find element with id 'normal'");
        IWebElement link = driver.FindElement(By.Id("normal"));

        new Actions(driver)
            .MoveToElement(link, 1, 1)
            .Click()
            .Perform();

        WaitFor(() => { return driver.Title == "XHTML Test Page"; }, "Browser title is not 'XHTML Test Page'");
    }

    [Test]
    public void ClickAfterMoveToAnElementWithAnOffsetShouldUseLastMousePosition()
    {
        driver.Url = clickEventPage;

        IWebElement element = driver.FindElement(By.Id("eventish"));
        Point location = element.Location;
        Size size = element.Size;

        new Actions(driver)
            .MoveToElement(element, 20 - size.Width / 2, 10 - size.Height / 2)
            .Click()
            .Perform();

        WaitFor<IWebElement>(() => driver.FindElement(By.Id("pageX")), "Did not find element with ID pageX");

        int x = Convert.ToInt16(Math.Round(Convert.ToDouble(driver.FindElement(By.Id("pageX")).Text)));
        int y = Convert.ToInt16(Math.Round(Convert.ToDouble(driver.FindElement(By.Id("pageY")).Text)));

        Assert.That(FuzzyPositionMatching(location.X + 20, location.Y + 10, string.Format("{0},{1}", x, y)), Is.True);
    }

    /**
     * This test demonstrates the following problem: When the representation of
     * the mouse in the driver keeps the wrong state, mouse movement will end
     * up at the wrong coordinates.
     */
    [Test]
    public void MouseMovementWorksWhenNavigatingToAnotherPage()
    {
        NavigateToClicksPageAndClickLink();

        IWebElement linkId = driver.FindElement(By.Id("linkId"));
        new Actions(driver)
            .MoveToElement(linkId, 1, 1)
            .Click()
            .Perform();

        WaitFor(() => { return driver.Title == "We Arrive Here"; }, "Browser title is not 'We Arrive Here'");
    }

    [Test]
    public void ChordControlCutAndPaste()
    {
        string controlModifier = Keys.Control;
        if (RuntimeInformation.IsOSPlatform(OSPlatform.OSX))
        {
            controlModifier = Keys.Command;
        }

        driver.Url = javascriptPage;

        IWebElement element = driver.FindElement(By.Id("keyReporter"));

        // Must scroll element into view for W3C-compliant drivers.
        ((IJavaScriptExecutor)driver).ExecuteScript("arguments[0].scrollIntoView()", element);

        new Actions(driver)
            .SendKeys(element, "abc def")
            .Perform();

        Assert.That(element.GetAttribute("value"), Is.EqualTo("abc def"));

        //TODO: Figure out why calling sendKey(Key.CONTROL + "a") and then
        //sendKeys("x") does not work on Linux.
        new Actions(driver).KeyDown(controlModifier)
            .SendKeys("a" + "x")
            .Perform();

        // Release keys before next step.
        new Actions(driver).SendKeys(Keys.Null).Perform();

        Assert.That(element.GetAttribute("value"), Is.Empty);

        new Actions(driver).KeyDown(controlModifier)
            .SendKeys("v")
            .SendKeys("v")
            .Perform();

        new Actions(driver).SendKeys(Keys.Null).Perform();

        Assert.That(element.GetAttribute("value"), Is.EqualTo("abc defabc def"));
    }

    [Test]
    [IgnoreBrowser(Browser.IE, "Edge in IE Mode does not properly handle multiple windows")]
    [NeedsFreshDriver(IsCreatedBeforeTest = true)]
    public void CombiningShiftAndClickResultsInANewWindow()
    {
        driver.Url = linkedImage;
        IWebElement link = driver.FindElement(By.Id("link"));
        string originalTitle = driver.Title;

        new Actions(driver)
            .MoveToElement(link)
            .KeyDown(Keys.Shift)
            .Click()
            .KeyUp(Keys.Shift)
            .Perform();
        WaitFor(() => { return driver.WindowHandles.Count > 1; }, "Did not receive new window");
        Assert.That(driver.WindowHandles, Has.Exactly(2).Items, "Should have opened a new window.");
        Assert.That(driver.Title, Is.EqualTo(originalTitle), "Should not have navigated away.");

        string originalHandle = driver.CurrentWindowHandle;
        foreach (string newHandle in driver.WindowHandles)
        {
            if (newHandle != originalHandle)
            {
                driver.SwitchTo().Window(newHandle);
                driver.Close();
            }
        }

        driver.SwitchTo().Window(originalHandle);
    }

    [Test]
    [IgnoreBrowser(Browser.IE, "Edge in IE Mode does not properly handle multiple windows")]
    public void HoldingDownShiftKeyWhileClicking()
    {
        driver.Url = clickEventPage;

        IWebElement toClick = driver.FindElement(By.Id("eventish"));

        new Actions(driver).MoveToElement(toClick).KeyDown(Keys.Shift).Click().KeyUp(Keys.Shift).Perform();

        IWebElement shiftInfo = WaitFor(() => { return driver.FindElement(By.Id("shiftKey")); }, "Could not find element with id 'shiftKey'");
        Assert.That(shiftInfo.Text, Is.EqualTo("true"));
    }

    [Test]
    public void CanClickOnSuckerFishStyleMenu()
    {
        driver.Url = javascriptPage;

        // Move to a different element to make sure the mouse is not over the
        // element with id 'item1' (from a previous test).
        new Actions(driver).MoveToElement(driver.FindElement(By.Id("dynamo"))).Build().Perform();

        IWebElement element = driver.FindElement(By.Id("menu1"));

        IWebElement target = driver.FindElement(By.Id("item1"));
        Assert.That(target.Text, Is.Empty);
        ((IJavaScriptExecutor)driver).ExecuteScript("arguments[0].style.background = 'green'", element);
        new Actions(driver).MoveToElement(element).Build().Perform();

        // Intentionally wait to make sure hover persists.
        System.Threading.Thread.Sleep(2000);

        target.Click();

        IWebElement result = driver.FindElement(By.Id("result"));
        WaitFor(() => { return result.Text.Contains("item 1"); }, "Result element does not contain text 'item 1'");
    }

    [Test]
    public void CanClickOnSuckerFishMenuItem()
    {
        driver.Url = javascriptPage;

        // Move to a different element to make sure the mouse is not over the
        // element with id 'item1' (from a previous test).
        new Actions(driver).MoveToElement(driver.FindElement(By.Id("dynamo"))).Build().Perform();

        IWebElement element = driver.FindElement(By.Id("menu1"));

        new Actions(driver).MoveToElement(element).Build().Perform();

        IWebElement target = driver.FindElement(By.Id("item1"));

        Assert.That(target.Displayed, "Target element was not displayed");
        target.Click();

        IWebElement result = driver.FindElement(By.Id("result"));
        WaitFor(() => { return result.Text.Contains("item 1"); }, "Result element does not contain text 'item 1'");
    }

    [Test]
    public void PerformsPause()
    {
        DateTime start = DateTime.Now;
        new Actions(driver).Pause(TimeSpan.FromMilliseconds(1200)).Build().Perform();
        Assert.That(DateTime.Now - start > TimeSpan.FromMilliseconds(1200), Is.True);
    }

    [Test]
    public void ShouldHandleClashingDeviceNamesGracefully()
    {
        var actionsWithPointer = new Actions(driver)
            .SetActivePointer(PointerKind.Mouse, "test")
            .Click();

        Assert.That(() =>
        {
            actionsWithPointer.SetActiveWheel("test");
        }, Throws.InvalidOperationException.With.Message.EqualTo("Device under the name \"test\" is not a wheel. Actual input type: Pointer"));

        var actionsWithKeyboard = new Actions(driver)
            .SetActiveKeyboard("test")
            .KeyDown(Keys.Shift).KeyUp(Keys.Shift);

        Assert.That(() =>
        {
            actionsWithKeyboard.SetActivePointer(PointerKind.Pen, "test");
        }, Throws.InvalidOperationException.With.Message.EqualTo("Device under the name \"test\" is not a pointer. Actual input type: Key"));

        var actionsWithWheel = new Actions(driver)
           .SetActiveWheel("test")
           .ScrollByAmount(0, 0);

        Assert.That(() =>
        {
            actionsWithWheel.SetActiveKeyboard("test");
        }, Throws.InvalidOperationException.With.Message.EqualTo("Device under the name \"test\" is not a keyboard. Actual input type: Wheel"));
    }

    private bool FuzzyPositionMatching(int expectedX, int expectedY, string locationTuple)
    {
        string[] splitString = locationTuple.Split(',');
        int gotX = int.Parse(splitString[0].Trim());
        int gotY = int.Parse(splitString[1].Trim());

        // Everything within 5 pixels range is OK
        const int ALLOWED_DEVIATION = 5;
        return Math.Abs(expectedX - gotX) < ALLOWED_DEVIATION && Math.Abs(expectedY - gotY) < ALLOWED_DEVIATION;
    }

    private void NavigateToClicksPageAndClickLink()
    {
        driver.Url = clicksPage;

        WaitFor(() => { return driver.FindElement(By.Id("normal")); }, "Could not find element with id 'normal'");
        IWebElement link = driver.FindElement(By.Id("normal"));

        new Actions(driver)
            .Click(link)
            .Perform();

        WaitFor(() => { return driver.Title == "XHTML Test Page"; }, "Browser title is not 'XHTML Test Page'");
    }
}