// Copyright (c) .NET Foundation and contributors. All rights reserved. Licensed under the Microsoft Reciprocal License. See LICENSE.TXT file in the project root for full license information.

namespace WixToolset.DirectX
{
    using System;
    using System.Collections.Generic;
    using System.Xml.Linq;
    using WixToolset.Data;
    using WixToolset.Extensibility;
    using WixToolset.Extensibility.Data;

    /// <summary>
    /// The compiler for the WiX Toolset DirectX Extension.
    /// </summary>
    public sealed class DirectXCompiler : BaseCompilerExtension
    {
        public override XNamespace Namespace => "http://wixtoolset.org/schemas/v4/wxs/directx";

        /// <summary>
        /// Processes an element for the Compiler.
        /// </summary>
        /// <param name="parentElement">Parent element of element to process.</param>
        /// <param name="element">Element to process.</param>
        /// <param name="context">Extra information about the context in which this element is being parsed.</param>
        public override void ParseElement(Intermediate intermediate, IntermediateSection section, XElement parentElement, XElement element, IDictionary<string, string> context)
        {
            switch (parentElement.Name.LocalName)
            {
                case "Fragment":
                case "Module":
                case "Package":
                case "UI":
                    this.AddCustomActionReference(intermediate, section, element, parentElement);
                    break;
                default:
                    this.ParseHelper.UnexpectedElement(parentElement, element);
                    break;
            }
        }

        private void AddCustomActionReference(Intermediate intermediate, IntermediateSection section, XElement element, XElement parentElement)
        {
            var sourceLineNumbers = this.ParseHelper.GetSourceLineNumbers(element);

            switch (element.Name.LocalName)
            {
                case "GetCapabilities":
                    this.ParseHelper.CreateCustomActionReference(sourceLineNumbers, section, "Wix4QueryDirectXCaps", this.Context.Platform, CustomActionPlatforms.X86 | CustomActionPlatforms.X64 | CustomActionPlatforms.ARM64);
                    break;
                default:
                    this.ParseHelper.UnexpectedElement(parentElement, element);
                    break;
            }

            foreach (var attrib in element.Attributes())
            {
                if (String.IsNullOrEmpty(attrib.Name.NamespaceName) || this.Namespace == attrib.Name.Namespace)
                {
                    // no attributes today
                }
                else
                {
                    this.ParseHelper.ParseExtensionAttribute(this.Context.Extensions, intermediate, section, element, attrib);
                }
            }

            this.ParseHelper.ParseForExtensionElements(this.Context.Extensions, intermediate, section, element);
        }
    }
}