// <copyright file="EdgeOptions.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,
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// "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
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// </copyright>

using OpenQA.Selenium.Chromium;
using System;
using System.Globalization;

namespace OpenQA.Selenium.Edge
{
    /// <summary>
    /// Class to manage options specific to <see cref="EdgeDriver"/>
    /// </summary>
    /// <example>
    /// <code>
    /// EdgeOptions options = new EdgeOptions();
    /// </code>
    /// <para></para>
    /// <para>For use with EdgeDriver:</para>
    /// <para></para>
    /// <code>
    /// EdgeDriver driver = new EdgeDriver(options);
    /// </code>
    /// <para></para>
    /// <para>For use with RemoteWebDriver:</para>
    /// <para></para>
    /// <code>
    /// RemoteWebDriver driver = new RemoteWebDriver(new Uri("http://localhost:4444/wd/hub"), options.ToCapabilities());
    /// </code>
    /// </example>
    public class EdgeOptions : ChromiumOptions
    {
        private const string DefaultBrowserNameValue = "MicrosoftEdge";
        private const string WebViewBrowserNameValue = "webview2";
        private const string EdgeOptionsCapabilityName = "edgeOptions";

        /// <summary>
        /// Initializes a new instance of the <see cref="EdgeOptions"/> class.
        /// </summary>
        public EdgeOptions() : base()
        {
            this.BrowserName = DefaultBrowserNameValue;
        }

        /// <summary>
        /// Gets the vendor prefix to apply to Chromium-specific capability names.
        /// </summary>
        protected override string VendorPrefix
        {
            get { return "ms"; }
        }

        /// <summary>
        /// Gets the name of the capability used to store Chromium options in
        /// an <see cref="ICapabilities"/> object.
        /// </summary>
        public override string CapabilityName
        {
            get { return string.Format(CultureInfo.InvariantCulture, "{0}:{1}", this.VendorPrefix, EdgeOptionsCapabilityName); }
        }

        /// <summary>
        /// Gets or sets whether to create a WebView session used for launching an Edge (Chromium) WebView-based app on desktop.
        /// </summary>
        public bool UseWebView
        {
            get { return this.BrowserName == WebViewBrowserNameValue; }
            set { this.BrowserName = value ? WebViewBrowserNameValue : DefaultBrowserNameValue; }
        }

        /// <summary>
        /// Provides a means to add additional capabilities not yet added as type safe options
        /// for the Edge driver.
        /// </summary>
        /// <param name="optionName">The name of the capability to add.</param>
        /// <param name="optionValue">The value of the capability to add.</param>
        /// <exception cref="ArgumentException">
        /// thrown when attempting to add a capability for which there is already a type safe option, or
        /// when <paramref name="optionName"/> is <see langword="null"/> or the empty string.
        /// </exception>
        /// <remarks>Calling <see cref="AddAdditionalEdgeOption(string, object)"/>
        /// where <paramref name="optionName"/> has already been added will overwrite the
        /// existing value with the new value in <paramref name="optionValue"/>.
        /// Calling this method adds capabilities to the Edge-specific options object passed to
        /// webdriver executable (property name 'ms:edgeOptions').</remarks>
        public void AddAdditionalEdgeOption(string optionName, object optionValue)
        {
            this.AddAdditionalChromiumOption(optionName, optionValue);
        }
    }
}
