@model ChapterStructureDryRunViewModel
@{
    ViewData["Title"] = "Chapter Intelligence Test";
    var result = Model.Result;
}

<div class="page-heading compact">
    <div>
        <p class="eyebrow">Admin utility</p>
        <h1>Chapter Intelligence Test</h1>
        <p class="lead-text">This is a structural dry run. It makes one live OpenAI request only when submitted, and it does not create scenes or save data.</p>
    </div>
</div>

<nav class="mb-3" aria-label="Breadcrumb">
    <a asp-controller="Projects" asp-action="Index">Projects</a>
    <span class="muted"> / </span>
    <a asp-action="Index">Admin</a>
    <span class="muted"> / </span>
    <a asp-action="StoryIntelligenceDiagnostics">Story Intelligence Diagnostics</a>
    <span class="muted"> / Chapter Intelligence Test</span>
</nav>

<section class="edit-panel">
    <h2>Manual chapter structure test</h2>
    <p>Use fictional sample text only. This page loads <code>Chapter-Structure-Prompt-V2.md</code>, replaces runtime placeholders, asks for likely scene boundaries, and displays the raw response without saving it.</p>
    <form asp-action="ChapterStructureTest" method="post">
        <div class="row g-3">
            <div class="col-md-3">
                <label class="form-label" asp-for="Form.ProjectID">ProjectID</label>
                <input class="form-control" asp-for="Form.ProjectID" />
            </div>
            <div class="col-md-3">
                <label class="form-label" asp-for="Form.BookID">BookID</label>
                <input class="form-control" asp-for="Form.BookID" />
            </div>
            <div class="col-md-3">
                <label class="form-label" asp-for="Form.ChapterID">ChapterID</label>
                <input class="form-control" asp-for="Form.ChapterID" />
            </div>
            <div class="col-md-3">
                <label class="form-label" asp-for="Form.ChapterNumber">ChapterNumber</label>
                <input class="form-control" asp-for="Form.ChapterNumber" />
            </div>
            <div class="col-12">
                <label class="form-label" asp-for="Form.SourceLabel">SourceLabel</label>
                <input class="form-control" asp-for="Form.SourceLabel" />
            </div>
            <div class="col-12">
                <label class="form-label" asp-for="Form.ChapterText">Chapter text</label>
                <textarea class="form-control" asp-for="Form.ChapterText" rows="14"></textarea>
            </div>
        </div>
        <div class="button-row mt-3">
            <button class="btn btn-primary" type="submit">Run chapter test</button>
            <a class="btn btn-outline-secondary" asp-action="StoryIntelligenceDiagnostics">Back to diagnostics</a>
        </div>
    </form>
</section>

@if (result is not null)
{
    <section class="edit-panel">
        <h2>Chapter structure result</h2>
        @if (!result.Success)
        {
            <div class="alert alert-warning">@result.ErrorMessage</div>
        }
        <div class="row g-3">
            <div class="col-md-3">
                <div class="border rounded p-3 h-100">
                    <p class="eyebrow">Prompt version</p>
                    <h3 class="mb-0">@result.PromptVersion</h3>
                </div>
            </div>
            <div class="col-md-3">
                <div class="border rounded p-3 h-100">
                    <p class="eyebrow">Model</p>
                    <h3 class="mb-0">@result.Model</h3>
                </div>
            </div>
            <div class="col-md-3">
                <div class="border rounded p-3 h-100">
                    <p class="eyebrow">Duration</p>
                    <h3 class="mb-0">@(string.IsNullOrWhiteSpace(result.Duration) ? "Not run" : result.Duration)</h3>
                </div>
            </div>
            <div class="col-md-3">
                <div class="border rounded p-3 h-100">
                    <p class="eyebrow">Paragraphs</p>
                    <h3 class="mb-0">@result.ParagraphCount.ToString("N0")</h3>
                </div>
            </div>
        </div>
        <dl class="mt-3 mb-0">
            <dt>Input tokens</dt>
            <dd>@(result.InputTokens.HasValue ? result.InputTokens.Value.ToString("N0") : "Not reported")</dd>
            <dt>Output tokens</dt>
            <dd>@(result.OutputTokens.HasValue ? result.OutputTokens.Value.ToString("N0") : "Not reported")</dd>
            <dt>Retries</dt>
            <dd>@result.RetryCount.ToString("N0")</dd>
        </dl>

        <ul class="nav nav-tabs mt-4" id="chapterStructureTabs" role="tablist">
            <li class="nav-item" role="presentation">
                <button class="nav-link active" id="raw-json-tab" data-bs-toggle="tab" data-bs-target="#raw-json" type="button" role="tab" aria-controls="raw-json" aria-selected="true">Raw JSON</button>
            </li>
            <li class="nav-item" role="presentation">
                <button class="nav-link" id="validation-tab" data-bs-toggle="tab" data-bs-target="#validation" type="button" role="tab" aria-controls="validation" aria-selected="false">Validation</button>
            </li>
            <li class="nav-item" role="presentation">
                <button class="nav-link" id="parsed-model-tab" data-bs-toggle="tab" data-bs-target="#parsed-model" type="button" role="tab" aria-controls="parsed-model" aria-selected="false">Parsed Model</button>
            </li>
        </ul>

        <div class="tab-content border border-top-0 rounded-bottom p-3" id="chapterStructureTabContent">
            <div class="tab-pane fade show active" id="raw-json" role="tabpanel" aria-labelledby="raw-json-tab" tabindex="0">
                <div class="mb-3">
                    <label class="form-label" for="chapterContextJson">Chapter context JSON</label>
                    <textarea class="form-control font-monospace" id="chapterContextJson" rows="8" readonly>@result.ChapterContextJson</textarea>
                </div>
                <div class="mb-3">
                    <label class="form-label" for="chapterJsonText">Extracted Chapter Structure JSON</label>
                    <textarea class="form-control font-monospace" id="chapterJsonText" rows="12" readonly>@result.ChapterJsonText</textarea>
                </div>
                <div>
                    <label class="form-label" for="rawResponseText">Raw OpenAI response</label>
                    <textarea class="form-control font-monospace" id="rawResponseText" rows="18" readonly>@result.RawResponseText</textarea>
                </div>
            </div>

            <div class="tab-pane fade" id="validation" role="tabpanel" aria-labelledby="validation-tab" tabindex="0">
                @if (result.Validation is null)
                {
                    <div class="alert alert-warning">Validation did not run.</div>
                }
                else
                {
                    <h3>@ValidationSummary(result.Validation)</h3>
                    @RenderIssues("Errors", result.Validation.Errors)
                    @RenderIssues("Warnings", result.Validation.Warnings)
                    @RenderIssues("Information", result.Validation.Information)
                }
            </div>

            <div class="tab-pane fade" id="parsed-model" role="tabpanel" aria-labelledby="parsed-model-tab" tabindex="0">
                @if (result.ParsedChapter is null)
                {
                    <div class="alert alert-warning">No parsed Chapter Structure model is available.</div>
                }
                else
                {
                    <section class="border rounded p-3">
                        <h3>Chapter</h3>
                        <dl class="mb-0">
                            <dt>Schema</dt>
                            <dd>@Display(result.ParsedChapter.SchemaVersion)</dd>
                            <dt>Summary</dt>
                            <dd>@Display(result.ParsedChapter.ChapterSummary)</dd>
                        </dl>
                    </section>

                    <section class="border rounded p-3 mt-3">
                        <h3>Scene Boundaries</h3>
                        @if (result.ParsedChapter.SceneBoundaries is null || result.ParsedChapter.SceneBoundaries.Count == 0)
                        {
                            <p class="mb-0">No scene boundaries reported.</p>
                        }
                        else
                        {
                            <ol class="mb-0">
                                @foreach (var boundary in result.ParsedChapter.SceneBoundaries)
                                {
                                    <li>
                                        Scene @Display(boundary.SceneNumber):
                                        paragraphs @Display(boundary.StartParagraph)-@Display(boundary.EndParagraph),
                                        confidence @Display(boundary.Confidence).
                                        @Display(boundary.Reason)
                                    </li>
                                }
                            </ol>
                        }
                    </section>
                }
            </div>
        </div>
    </section>
}

@functions {
    private static string Display(object? value) => value switch
    {
        null => "None",
        string text when string.IsNullOrWhiteSpace(text) => "None",
        decimal number => number.ToString("0.##"),
        bool flag => flag ? "Yes" : "No",
        _ => value.ToString() ?? "None"
    };

    private static string ValidationSummary(PlotLine.Models.StoryIntelligence.ValidationResult validation)
        => validation.IsValid
            ? $"✓ Passed with {validation.Warnings.Count:N0} warning(s)"
            : $"✖ Failed with {validation.Errors.Count:N0} error(s) and {validation.Warnings.Count:N0} warning(s)";

    private static string SeveritySymbol(string severity) => severity switch
    {
        "Error" => "✖",
        "Warning" => "⚠",
        _ => "✓"
    };

    private static Microsoft.AspNetCore.Html.IHtmlContent RenderIssues(string heading, IReadOnlyList<PlotLine.Models.StoryIntelligence.ValidationIssue> issues)
    {
        var builder = new System.Text.StringBuilder();
        builder.Append("<section class=\"mt-3\">");
        builder.Append("<h4>").Append(Encode(heading)).Append(" (").Append(issues.Count.ToString("N0")).Append(")</h4>");
        if (issues.Count == 0)
        {
            builder.Append("<p class=\"mb-0\">None.</p>");
        }
        else
        {
            builder.Append("<div class=\"list-group\">");
            foreach (var issue in issues)
            {
                builder.Append("<div class=\"list-group-item\">");
                builder.Append("<p class=\"mb-1\"><strong>")
                    .Append(Encode(SeveritySymbol(issue.Severity)))
                    .Append(' ')
                    .Append(Encode(issue.Severity))
                    .Append("</strong> <code>")
                    .Append(Encode(issue.Path))
                    .Append("</code></p>");
                builder.Append("<p class=\"mb-1\">").Append(Encode(issue.Message)).Append("</p>");
                builder.Append("<p class=\"mb-0 muted\">").Append(Encode(issue.SuggestedFix)).Append("</p>");
                builder.Append("</div>");
            }

            builder.Append("</div>");
        }

        builder.Append("</section>");
        return new Microsoft.AspNetCore.Html.HtmlString(builder.ToString());
    }

    private static string Encode(string? value)
        => System.Net.WebUtility.HtmlEncode(value ?? string.Empty);
}