@model ContinuityExplorerViewModel
@{
    ViewData["Title"] = $"Continuity Explorer - {Model.Project.ProjectName}";
    ViewData["ProjectSection"] = "Continuity Explorer";
}

@functions {
    private static string StateBadgeClass(string state) => state switch
    {
        "Explicit" => "bg-success",
        "Inferred" => "bg-secondary",
        _ => "bg-warning text-dark"
    };

    private bool IsEntitySelected(string entityType) =>
        Model.Filter.EntityTypes.Contains(entityType, StringComparer.OrdinalIgnoreCase);
}

<nav class="breadcrumb-trail" aria-label="Breadcrumb">
    <a asp-controller="Projects" asp-action="Index">Projects</a>
    <a asp-controller="Projects" asp-action="Details" asp-route-id="@Model.Project.ProjectID">@Model.Project.ProjectName</a>
    <span>Continuity Explorer</span>
</nav>

<partial name="_ProjectSectionNav" model="Model.Project" />

<div class="page-heading">
    <div>
        <p class="eyebrow">Continuity</p>
        <h1>Continuity Explorer</h1>
        <p class="lead-text">Investigate where characters, assets, and locations stand across the story.</p>
    </div>
</div>

<section class="card mb-3">
    <div class="card-header d-flex justify-content-between align-items-center">
        <strong>Filters</strong>
        <button class="btn btn-outline-secondary btn-sm" type="button" data-bs-toggle="collapse" data-bs-target="#continuity-filter-panel" aria-expanded="true" aria-controls="continuity-filter-panel">Toggle</button>
    </div>
    <div class="collapse show" id="continuity-filter-panel">
        <div class="card-body">
            <form asp-action="ApplyFilters" method="post">
                <input type="hidden" name="ProjectID" value="@Model.Project.ProjectID" />

                <div class="row g-3">
                    <div class="col-lg-3">
                        <label class="form-label">Entity types</label>
                        <div class="d-grid gap-1">
                            <label class="form-check">
                                <input class="form-check-input" type="checkbox" name="EntityTypes" value="Characters" checked="@IsEntitySelected("Characters")" />
                                <span class="form-check-label">Characters</span>
                            </label>
                            <label class="form-check">
                                <input class="form-check-input" type="checkbox" name="EntityTypes" value="Assets" checked="@IsEntitySelected("Assets")" />
                                <span class="form-check-label">Assets</span>
                            </label>
                            <label class="form-check">
                                <input class="form-check-input" type="checkbox" name="EntityTypes" value="Locations" checked="@IsEntitySelected("Locations")" />
                                <span class="form-check-label">Locations</span>
                            </label>
                        </div>
                    </div>

                    <div class="col-lg-9">
                        <div class="row g-2">
                            <div class="col-md-4">
                                <label class="form-label" for="CharacterIDs">Characters</label>
                                <select class="form-select form-select-sm" id="CharacterIDs" name="CharacterIDs" asp-items="Model.CharacterOptions" multiple size="6"></select>
                            </div>
                            <div class="col-md-4">
                                <label class="form-label" for="AssetIDs">Assets</label>
                                <select class="form-select form-select-sm" id="AssetIDs" name="AssetIDs" asp-items="Model.AssetOptions" multiple size="6"></select>
                            </div>
                            <div class="col-md-4">
                                <label class="form-label" for="LocationIDs">Locations</label>
                                <select class="form-select form-select-sm" id="LocationIDs" name="LocationIDs" asp-items="Model.LocationOptions" multiple size="6"></select>
                            </div>
                        </div>
                    </div>

                    <div class="col-lg-4">
                        <label class="form-label">Scene range</label>
                        <div class="d-grid gap-1">
                            <label class="form-check">
                                <input class="form-check-input" type="radio" name="SceneRangeMode" value="EntireProject" checked="@(Model.Filter.SceneRangeMode == "EntireProject")" />
                                <span class="form-check-label">Entire Project</span>
                            </label>
                            <label class="form-check">
                                <input class="form-check-input" type="radio" name="SceneRangeMode" value="Book" checked="@(Model.Filter.SceneRangeMode == "Book")" />
                                <span class="form-check-label">Book</span>
                            </label>
                            <label class="form-check">
                                <input class="form-check-input" type="radio" name="SceneRangeMode" value="Chapter" checked="@(Model.Filter.SceneRangeMode == "Chapter")" />
                                <span class="form-check-label">Chapter</span>
                            </label>
                            <label class="form-check">
                                <input class="form-check-input" type="radio" name="SceneRangeMode" value="Custom" checked="@(Model.Filter.SceneRangeMode == "Custom")" />
                                <span class="form-check-label">Custom Scene Range</span>
                            </label>
                        </div>
                    </div>

                    <div class="col-lg-8">
                        <div class="row g-2">
                            <div class="col-md-6">
                                <label class="form-label" for="BookID">Book</label>
                                <select class="form-select form-select-sm" id="BookID" name="BookID" asp-items="Model.BookOptions">
                                    <option value="">Any book</option>
                                </select>
                            </div>
                            <div class="col-md-6">
                                <label class="form-label" for="ChapterID">Chapter</label>
                                <select class="form-select form-select-sm" id="ChapterID" name="ChapterID" asp-items="Model.ChapterOptions">
                                    <option value="">Any chapter</option>
                                </select>
                            </div>
                            <div class="col-md-6">
                                <label class="form-label" for="StartSceneID">Start scene</label>
                                <select class="form-select form-select-sm" id="StartSceneID" name="StartSceneID" asp-items="Model.SceneOptions">
                                    <option value="">First scene</option>
                                </select>
                            </div>
                            <div class="col-md-6">
                                <label class="form-label" for="EndSceneID">End scene</label>
                                <select class="form-select form-select-sm" id="EndSceneID" name="EndSceneID" asp-items="Model.SceneOptions">
                                    <option value="">Last scene</option>
                                </select>
                            </div>
                        </div>
                    </div>

                    <div class="col-lg-4">
                        <label class="form-label">Display mode</label>
                        <div class="d-grid gap-1">
                            <label class="form-check">
                                <input class="form-check-input" type="radio" name="DisplayMode" value="StoryState" checked="@(Model.Filter.DisplayMode == "StoryState")" />
                                <span class="form-check-label">Story State</span>
                            </label>
                            <label class="form-check">
                                <input class="form-check-input" type="radio" name="DisplayMode" value="Journey" checked="@(Model.Filter.DisplayMode == "Journey")" />
                                <span class="form-check-label">Journey</span>
                            </label>
                            <label class="form-check">
                                <input class="form-check-input" type="radio" name="DisplayMode" value="LocationActivity" checked="@(Model.Filter.DisplayMode == "LocationActivity")" />
                                <span class="form-check-label">Location Activity</span>
                            </label>
                        </div>
                    </div>

                    <div class="col-lg-8">
                        <label class="form-label" for="SelectedSceneID">Story State scene</label>
                        <select class="form-select form-select-sm" id="SelectedSceneID" name="SelectedSceneID" asp-items="Model.SceneOptions"></select>
                    </div>
                </div>

                <div class="button-row mt-3">
                    <button class="btn btn-primary" type="submit">Apply filters</button>
                    <a class="btn btn-outline-secondary" asp-action="Index" asp-route-projectId="@Model.Project.ProjectID">Reset</a>
                </div>
            </form>
        </div>
    </div>
</section>

@if (Model.Filter.DisplayMode == "StoryState")
{
    <section class="story-bible-section">
        <h2>Story State</h2>
        @if (!Model.StoryState.Characters.Any() && !Model.StoryState.Assets.Any() && !Model.StoryState.Locations.Any())
        {
            <p class="muted">No matching continuity information found.</p>
        }
        else
        {
            @if (Model.Filter.IncludeCharacters)
            {
                <h3>Characters</h3>
                <div class="table-responsive mb-3">
                    <table class="table table-sm align-middle">
                        <thead><tr><th>Character</th><th>Current Location</th><th>State</th><th>Last Confirmed</th></tr></thead>
                        <tbody>
                            @foreach (var row in Model.StoryState.Characters)
                            {
                                <tr><td>@row.CharacterName</td><td>@row.CurrentLocation</td><td><span class="badge @StateBadgeClass(row.State)">@row.State</span></td><td>@row.LastConfirmed</td></tr>
                            }
                        </tbody>
                    </table>
                </div>
            }

            @if (Model.Filter.IncludeAssets)
            {
                <h3>Assets</h3>
                <div class="table-responsive mb-3">
                    <table class="table table-sm align-middle">
                        <thead><tr><th>Asset</th><th>Holder / Location</th><th>State</th><th>Last Confirmed</th></tr></thead>
                        <tbody>
                            @foreach (var row in Model.StoryState.Assets)
                            {
                                <tr><td>@row.AssetName</td><td>@row.CurrentHolderOrLocation</td><td><span class="badge @StateBadgeClass(row.State)">@row.State</span></td><td>@row.LastConfirmed</td></tr>
                            }
                        </tbody>
                    </table>
                </div>
            }

            @if (Model.Filter.IncludeLocations)
            {
                <h3>Locations</h3>
                @if (!Model.StoryState.Locations.Any())
                {
                    <p class="muted">No matching location presence found.</p>
                }
                else
                {
                    <div class="row g-3">
                        @foreach (var location in Model.StoryState.Locations)
                        {
                            <div class="col-lg-6">
                                <article class="story-bible-card h-100">
                                    <h3>@location.LocationPath</h3>
                                    <p><strong>Characters:</strong> @(location.CharactersPresent.Any() ? string.Join(", ", location.CharactersPresent) : "None")</p>
                                    <p><strong>Assets:</strong> @(location.AssetsPresent.Any() ? string.Join(", ", location.AssetsPresent) : "None")</p>
                                </article>
                            </div>
                        }
                    </div>
                }
            }
        }
    </section>
}
else if (Model.Filter.DisplayMode == "Journey")
{
    <section class="story-bible-section">
        <h2>Journey</h2>
        @if (!Model.CharacterJourney.Any() && !Model.AssetJourney.Any())
        {
            <p class="muted">No movement recorded.</p>
        }
        else
        {
            @foreach (var group in Model.CharacterJourney.GroupBy(x => new { x.CharacterID, x.CharacterName }))
            {
                <h3>@group.Key.CharacterName</h3>
                <div class="table-responsive mb-3">
                    <table class="table table-sm align-middle">
                        <thead><tr><th>Scene</th><th>Location</th></tr></thead>
                        <tbody>
                            @foreach (var row in group)
                            {
                                <tr><td>@row.SceneLabel</td><td>@row.Location</td></tr>
                            }
                        </tbody>
                    </table>
                </div>
            }

            @foreach (var group in Model.AssetJourney.GroupBy(x => new { x.StoryAssetID, x.AssetName }))
            {
                <h3>@group.Key.AssetName</h3>
                <div class="table-responsive mb-3">
                    <table class="table table-sm align-middle">
                        <thead><tr><th>Scene</th><th>Holder / Location</th></tr></thead>
                        <tbody>
                            @foreach (var row in group)
                            {
                                <tr><td>@row.SceneLabel</td><td>@row.HolderOrLocation</td></tr>
                            }
                        </tbody>
                    </table>
                </div>
            }
        }
    </section>
}
else
{
    <section class="story-bible-section">
        <h2>Location Activity</h2>
        @if (!Model.LocationActivity.Any())
        {
            <p class="muted">No matching continuity information found.</p>
        }
        else
        {
            <div class="table-responsive">
                <table class="table table-sm align-middle">
                    <thead><tr><th>Location</th><th>Scene</th><th>Characters Present</th><th>Assets Present</th></tr></thead>
                    <tbody>
                        @foreach (var row in Model.LocationActivity)
                        {
                            <tr><td>@row.LocationName</td><td>@row.SceneLabel</td><td>@row.CharactersPresent</td><td>@row.AssetsPresent</td></tr>
                        }
                    </tbody>
                </table>
            </div>
        }
    </section>
}