@* File: `OmegaLeo.HelperLib.Web/Views/Home/Library.cshtml` *@
@using ColorCode.Styling
@using OmegaLeo.HelperLib.Extensions
@using Markdig
@model OmegaLeo.HelperLib.Web.Models.LibraryDocumentationViewModel
@{
    ViewData["Title"] = Model.LibraryName;
    var groupedByNamespace = Model.Documentation.GroupBy(d => d.AssemblyName).OrderBy(g => g.Key);
    
    var pipeline = new MarkdownPipelineBuilder()
        .UseAdvancedExtensions()
        .UseSyntaxHighlighting(StyleDictionary.DefaultDark)
        .Build();
}

<div class="container-fluid mt-4">
    <nav aria-label="breadcrumb">
        <ol class="breadcrumb">
            <li class="breadcrumb-item"><a asp-action="Index">Home</a></li>
            <li class="breadcrumb-item active">@Model.LibraryName</li>
        </ol>
    </nav>

    <div class="row">
        <div class="col-md-3">
            <div class="sticky-top" style="top: 20px;">
                <div class="card">
                    <div class="card-header">
                        <h5>@Model.LibraryName</h5>
                    </div>
                    <div class="card-body p-0">
                        <div class="list-group list-group-flush">
                            <a class="list-group-item list-group-item-action" href="#overview">
                                <i class="bi bi-info-circle me-2"></i>Overview
                            </a>
                            @foreach (var ns in groupedByNamespace)
                            {
                                <a class="list-group-item list-group-item-action" href="#namespace-@ns.Key.Replace(".", "-")">
                                    <i class="bi bi-folder me-2"></i>@ns.Key
                                </a>
                            }
                            <a class="list-group-item list-group-item-action" href="#changelog">
                                <i class="bi bi-clock-history me-2"></i>Changelog
                            </a>
                        </div>
                    </div>
                </div>
            </div>
        </div>

        <div class="col-md-9">
            <div id="overview" class="mb-5">
                <h2>@Model.LibraryName</h2>
                <p class="lead">@Model.Description</p>
                <hr />
            </div>

            @foreach (var ns in groupedByNamespace)
            {
                <div id="namespace-@ns.Key.Replace(".", "-")" class="mb-5">
                    <h3>@ns.Key</h3>

                    @foreach (var classDoc in ns.OrderBy(d => d.ClassName))
                    {
                        <div class="card mb-3">
                            <div class="card-header">
                                <h4 class="mb-0">@classDoc.ClassName</h4>
                                <small class="text-muted">@classDoc.AssemblyName</small>
                            </div>
                            <div class="card-body">
                                @if (classDoc.Descriptions != null && classDoc.Descriptions.Any())
                                {
                                    <div class="table-responsive">
                                        <table class="table table-hover">
                                            <thead>
                                                <tr>
                                                    <th>Member</th>
                                                    <th>Documentation</th>
                                                </tr>
                                            </thead>
                                            <tbody>
                                                @foreach (var desc in classDoc.Descriptions)
                                                {
                                                    var methodParameters = desc.MethodParameters ?? Array.Empty<string>();
                                                    var attributeParameters = desc.Parameters ?? Array.Empty<string>();
                                                    var methodParameterSet = new HashSet<string>(methodParameters, StringComparer.OrdinalIgnoreCase);
                                                    var filteredAttributeParameters = attributeParameters
                                                        .Where(p => !methodParameterSet.Contains(p))
                                                        .Distinct(StringComparer.OrdinalIgnoreCase)
                                                        .ToArray();

                                                    <tr>
                                                        <td><code>@desc.Title</code></td>
                                                        <td>@Html.Raw(Markdig.Markdown.ToHtml(desc.Description))<br/>
                                                            @if (desc.ReturnType.IsNotNullOrEmpty())
                                                            {
                                                                <strong>Returns:</strong> <code>@desc.ReturnType</code><br/>
                                                            }

                                                            @if (methodParameters.Any())
                                                            {
                                                                <strong>Parameters:</strong>
                                                                <ul class="mb-2">
                                                                    @foreach (var methodParameter in methodParameters)
                                                                    {
                                                                        <li><code>@methodParameter</code></li>
                                                                    }
                                                                </ul>
                                                            }

                                                            @if (filteredAttributeParameters.Any())
                                                            {
                                                                <strong>Attribute Args:</strong>
                                                                <ul class="mb-2">
                                                                    @foreach (var attributeParameter in filteredAttributeParameters)
                                                                    {
                                                                        <li><code>@attributeParameter</code></li>
                                                                    }
                                                                </ul>
                                                            }

                                                            @if (desc.CodeExample.IsNotNullOrEmpty())
                                                            {
                                                                <strong>Example:</strong><br/>
                                                                <div class="example-code mb-2">
                                                                    @Html.Raw(Markdig.Markdown.ToHtml(desc.CodeExample, pipeline))
                                                                </div>
                                                            }</td>
                                                    </tr>
                                                }
                                            </tbody>
                                        </table>
                                    </div>
                                }
                                else
                                {
                                    <p class="text-muted">No documentation available.</p>
                                }
                            </div>
                        </div>
                    }
                </div>
            }

            @if (!string.IsNullOrEmpty(Model.ChangelogMarkdown))
            {
                <div id="changelog" class="mb-5">
                    <h3>Changelog</h3>
                    <div class="card">
                        <div class="card-body">
                            @Html.Raw(Markdig.Markdown.ToHtml(Model.ChangelogMarkdown))
                        </div>
                    </div>
                </div>
            }
        </div>
    </div>
</div>

<style>
    .sticky-top {
        max-height: calc(100vh - 40px);
        overflow-y: auto;
    }

    code {
        background-color: #f8f9fa;
        padding: 2px 6px;
        border-radius: 3px;
        font-size: 0.9em;
    }

    .table th {
        background-color: #f8f9fa;
    }
</style>