// Copyright (c) .NET Foundation. All rights reserved.
// Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.

using System;
using BasicTestApp;
using Microsoft.Blazor.E2ETest.Infrastructure;
using Microsoft.Blazor.E2ETest.Infrastructure.ServerFixtures;
using OpenQA.Selenium;
using OpenQA.Selenium.Support.UI;
using Xunit;

namespace Microsoft.Blazor.E2ETest.Tests
{
    public class ComponentRenderingTest
        : ServerTestBase<DevHostServerFixture<BasicTestApp.Program>>
    {
        public ComponentRenderingTest(BrowserFixture browserFixture, DevHostServerFixture<Program> serverFixture)
            : base(browserFixture, serverFixture)
        {
        }

        [Fact]
        public void BasicTestAppCanBeServed()
        {
            Navigate("/", noReload: true);
            Assert.Equal("Basic test app", Browser.Title);
        }

        [Fact]
        public void CanRenderTextOnlyComponent()
        {
            Navigate("/", noReload: true);
            MountTestComponent("BasicTestApp.TextOnlyComponent");

            var appElement = Browser.FindElement(By.TagName("app"));
            Assert.Equal("Hello from TextOnlyComponent", appElement.Text);
        }

        [Fact]
        public void CanRenderComponentWithAttributes()
        {
            Navigate("/", noReload: true);
            MountTestComponent("BasicTestApp.RedTextComponent");

            var appElement = Browser.FindElement(By.TagName("app"));
            var styledElement = appElement.FindElement(By.TagName("h1"));
            Assert.Equal("Hello, world!", styledElement.Text);
            Assert.Equal("color: red;", styledElement.GetAttribute("style"));
            Assert.Equal("somevalue", styledElement.GetAttribute("customattribute"));
        }

        private void MountTestComponent(string componentTypeName)
        {
            WaitUntilDotNetRunningInBrowser();
            ((IJavaScriptExecutor)Browser).ExecuteScript(
                $"mountTestComponent('{componentTypeName}')");
        }

        private void WaitUntilDotNetRunningInBrowser()
        {
            new WebDriverWait(Browser, TimeSpan.FromSeconds(30)).Until(driver =>
            {
                return ((IJavaScriptExecutor)driver)
                    .ExecuteScript("return window.isTestReady;");
            });
        }
    }
}