//******************************************************************************
//
/*
Copyright (c) 2016 Appium Committers. All rights reserved.

Licensed 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.
*/
//
//******************************************************************************

using System;
using Microsoft.VisualStudio.TestTools.UnitTesting;
using OpenQA.Selenium.Remote;

namespace CalculatorTest
{
    [TestClass]
    public class BasicScenarios
    {
        protected const string WindowsApplicationDriverUrl = "http://127.0.0.1:4723/wd/hub";
        protected static RemoteWebDriver CalculatorSession;
        protected static RemoteWebElement CalculatorResult;
        protected static string OriginalCalculatorMode;

        [ClassInitialize]
        public static void Setup(TestContext context)
        {
            // Launch the calculator app
            DesiredCapabilities appCapabilities = new DesiredCapabilities();
            appCapabilities.SetCapability("app", "Microsoft.WindowsCalculator_8wekyb3d8bbwe!App");
            appCapabilities.SetCapability("platformName", "Windows");
            appCapabilities.SetCapability("deviceName", "WindowsPC");
            CalculatorSession = new RemoteWebDriver(new Uri(WindowsApplicationDriverUrl), appCapabilities);
            Assert.IsNotNull(CalculatorSession);
            CalculatorSession.Manage().Timeouts().ImplicitlyWait(TimeSpan.FromSeconds(2));

            // Make sure we're in standard mode
            CalculatorSession.FindElementByXPath("//Button[starts-with(@Name, \"Menu\")]").Click();
            OriginalCalculatorMode = CalculatorSession.FindElementByXPath("//List[@AutomationId=\"FlyoutNav\"]//ListItem[@IsSelected=\"True\"]").Text;
            CalculatorSession.FindElementByXPath("//ListItem[@Name=\"Standard Calculator\"]").Click();

            // Use series of operation to locate the calculator result text element as a workaround
            // We currently cannot query element by automationId without using modified appium dot net driver
            // TODO: Use a proper appium/webdriver nuget package that allow us to query based on automationId
            CalculatorSession.FindElementByXPath("//Button[@Name=\"Clear\"]").Click();
            CalculatorSession.FindElementByXPath("//Button[@Name=\"Seven\"]").Click();
            CalculatorResult = CalculatorSession.FindElementByName("Display is 7") as RemoteWebElement;
            Assert.IsNotNull(CalculatorResult);
        }

        [ClassCleanup]
        public static void TearDown()
        {
            // Restore original mode before closing down
            CalculatorSession.FindElementByXPath("//Button[starts-with(@Name, \"Menu\")]").Click();
            CalculatorSession.FindElementByXPath("//ListItem[@Name=\"" + OriginalCalculatorMode + "\"]").Click();

            CalculatorResult = null;
            CalculatorSession.Dispose();
            CalculatorSession = null;
        }

        [TestInitialize]
        public void Clear()
        {
            CalculatorSession.FindElementByName("Clear").Click();
            Assert.AreEqual("Display is 0", CalculatorResult.Text);
        }

        [TestMethod]
        public void Addition()
        {
            CalculatorSession.FindElementByName("One").Click();
            CalculatorSession.FindElementByName("Plus").Click();
            CalculatorSession.FindElementByName("Seven").Click();
            CalculatorSession.FindElementByName("Equals").Click();
            Assert.AreEqual("Display is 8", CalculatorResult.Text);
        }

        [TestMethod]
        public void Combination()
        {
            CalculatorSession.FindElementByXPath("//Button[@Name=\"Seven\"]").Click();
            CalculatorSession.FindElementByXPath("//Button[@Name=\"Multiply by\"]").Click();
            CalculatorSession.FindElementByXPath("//Button[@Name=\"Nine\"]").Click();
            CalculatorSession.FindElementByXPath("//Button[@Name=\"Plus\"]").Click();
            CalculatorSession.FindElementByXPath("//Button[@Name=\"One\"]").Click();
            CalculatorSession.FindElementByXPath("//Button[@Name=\"Equals\"]").Click();
            CalculatorSession.FindElementByXPath("//Button[@Name=\"Divide by\"]").Click();
            CalculatorSession.FindElementByXPath("//Button[@Name=\"Eight\"]").Click();
            CalculatorSession.FindElementByXPath("//Button[@Name=\"Equals\"]").Click();
            Assert.AreEqual("Display is 8", CalculatorResult.Text);
        }

        [TestMethod]
        public void Division()
        {
            CalculatorSession.FindElementByName("Eight").Click();
            CalculatorSession.FindElementByName("Eight").Click();
            CalculatorSession.FindElementByName("Divide by").Click();
            CalculatorSession.FindElementByName("One").Click();
            CalculatorSession.FindElementByName("One").Click();
            CalculatorSession.FindElementByName("Equals").Click();
            Assert.AreEqual("Display is 8", CalculatorResult.Text);
        }

        [TestMethod]
        public void Multiplication()
        {
            CalculatorSession.FindElementByName("Nine").Click();
            CalculatorSession.FindElementByName("Multiply by").Click();
            CalculatorSession.FindElementByName("Nine").Click();
            CalculatorSession.FindElementByName("Equals").Click();
            Assert.AreEqual("Display is 81", CalculatorResult.Text);
        }

        [TestMethod]
        public void Subtraction()
        {
            CalculatorSession.FindElementByName("Nine").Click();
            CalculatorSession.FindElementByName("Minus").Click();
            CalculatorSession.FindElementByName("One").Click();
            CalculatorSession.FindElementByName("Equals").Click();
            Assert.AreEqual("Display is 8", CalculatorResult.Text);
        }
    }
}