@page "/Element/{Id}"

@inject Salmon.Core.Instance Salmon;

<div class="input-group mb-3">
    <div class="input-group-prepend">
        <span class="input-group-text" id="basic-addon3">UniqueId</span>
    </div>
    <input type="text" class="form-control" aria-describedby="basic-addon3" readonly value="@Id">
</div>

@if (Error is not null)
{
    <p>@Error</p>
}
else if (ThisElement == null)
{
    <p>Chargement...</p>
}
else
{
    <h3>@ThisElement.LongName</h3>

    <h4>Propriétés</h4>
    <table class="table">
        <thead>
            <tr>
                <th>Dernier changement</th>
                <th>Nom</th>
                <th>Valeur</th>
            </tr>
        </thead>
        <tbody>
            @if (Triplets is not null)
            @foreach (var t in Triplets)
            {
                <tr>
                    <td>@t.LastFlush</td>
                    <td>@t.predicate</td>
                    <td>@t.value</td>
                </tr>
            }
        </tbody>
    </table>

    <h4>Évènements</h4>
    <table class="table">
        <thead>
            <tr>
                <th>Date</th>
                <th>Type</th>
            </tr>
        </thead>
        <tbody>
            @if(Events is not null)
            @foreach (var e in Events)
            {
                <tr>
                    <td>@e.When</td>
                    <td>@e.Type</td>
                </tr>
            }
        </tbody>
    </table>
}

@code {
    [Parameter]
    public string Id { get; set; }
    string? Error = $"Chargement...";

    Salmon.Core.Element? ThisElement = null;
    List<Triplet>? Triplets = null;
    List<Event>? Events = null;



    protected async override Task OnInitializedAsync()
    {
        await base.OnInitializedAsync();

        await Refresh();
    }

    private async Task Refresh()
    {
        Triplets = Salmon.State.Get(Id).ToList();
        if (Triplets.Count == 0)
        {
            Error = $"Aucun triplet associé à l'ID {Id}.";
            return;
        }

        try
        {
            ThisElement = Salmon.Translator.Decode(Triplets);
            Error = null;
        }
        catch (Exception e)
        {
            Error = $"Erreur: {e}";
            return;
        }

        List<Event> events = new();
        await foreach (var e in Salmon.Event.GetEvents(subject: Id, limit: 25))
            events.Add(e);

        Events = events;
    }


}