@model StoryIntelligencePipelineHeaderViewModel
@{
    var isAnalyse = string.Equals(Model.CurrentStage, "Analyse Manuscript", StringComparison.OrdinalIgnoreCase);
    var isSceneImport = string.Equals(Model.CurrentStage, "Review Scenes", StringComparison.OrdinalIgnoreCase);
    var isReviewCentre = string.Equals(Model.CurrentStage, "Review Centre", StringComparison.OrdinalIgnoreCase);
    var phase = isAnalyse ? 2 : isSceneImport ? 2 : 3;
    var progressPercent = isAnalyse ? 50 : isSceneImport ? 75 : 100;
}

<section class="story-pipeline-header" aria-label="Story Intelligence progress">
    <div class="story-pipeline-current">
        <p class="eyebrow">Phase @phase</p>
        <h2>@CurrentPhaseTitle()</h2>
        <p>@CurrentPhaseDescription()</p>
    </div>

    <div class="onboarding-progress story-pipeline-progress" aria-label="@CurrentPhaseTitle() progress">
        <span>@ProgressLabel()</span>
        <div class="onboarding-progress-track">
            <span style="width:@progressPercent%"></span>
        </div>
    </div>

    <ol class="story-pipeline-phase-list">
        <li class="is-complete">
            <strong>Core Import</strong>
            <span>Book structure created from Word</span>
        </li>
        <li class="@(isAnalyse || isSceneImport ? "is-current" : "is-complete")">
            <strong>Analyse Manuscript</strong>
            <span>Scene intelligence saved to PlotDirector</span>
        </li>
        <li class="@(!isAnalyse && !isSceneImport ? "is-current" : "is-upcoming")">
            <strong>Review Centre</strong>
            <span>Independent optional review categories</span>
        </li>
    </ol>
</section>

@functions {
    private string CurrentPhaseTitle()
        => Model.CurrentStage switch
        {
            "Analyse Manuscript" => "Analyse Manuscript",
            "Review Scenes" => "Create Scene Intelligence",
            "Review Centre" => "Review Centre",
            _ => "Review Story Intelligence"
        };

    private string CurrentPhaseDescription()
        => Model.CurrentStage switch
        {
            "Analyse Manuscript" => "PlotDirector is reading saved canonical scenes.",
            "Review Scenes" => "Create the stored scene intelligence before opening review categories.",
            "Review Centre" => "Choose the review category you want to handle now.",
            _ => "This category can be reviewed independently after character resolution."
        };

    private string ProgressLabel()
        => Model.CurrentStage switch
        {
            "Analyse Manuscript" => "Analysis running",
            "Review Scenes" => "Scene intelligence",
            "Review Centre" => "Review Centre",
            _ => Model.CurrentStage
        };
}