@page "/Rooms/{RoomId}/Timeline"
@using MatrixRoomUtils.Web.Shared.TimelineComponents
@using MatrixRoomUtils.Core.Responses
<h3>RoomManagerTimeline</h3>
<hr/>
<p>Loaded @Events.Count events...</p>

@foreach (var evt in Events) {
    <div type="@evt.Type" key="@evt.StateKey" itemid="@evt.EventId">
        <DynamicComponent Type="@ComponentType(evt)" Parameters="@(new Dictionary<string, object> { { "Event", evt }, { "Events", Events } })"></DynamicComponent>
    </div>
}

@code {

    [Parameter]
    public string RoomId { get; set; } = "invalid!!!!!!";

    private List<MessagesResponse> Messages { get; } = new();
    private List<StateEventResponse> Events { get; } = new();

    protected override async Task OnInitializedAsync() {
        RoomId = RoomId.Replace('~', '.');
        Console.WriteLine("RoomId: " + RoomId);
        var hs = await MRUStorage.GetCurrentSessionOrNavigate();
        if (hs is null) return;
        var room = await hs.GetRoom(RoomId);
        MessagesResponse? msgs = null;
        do {
            msgs = await room.GetMessagesAsync(limit: 250, from: msgs?.End, dir: "b");
            Messages.Add(msgs);
            Console.WriteLine($"Got {msgs.Chunk.Count} messages");
            msgs.Chunk.Reverse();
            Events.InsertRange(0, msgs.Chunk);
            StateHasChanged();
        } while (msgs.End is not null);

        await base.OnInitializedAsync();
    }

    private StateEventResponse GetProfileEventBefore(StateEventResponse Event) => Events.TakeWhile(x => x != Event).Last(e => e.Type == "m.room.member" && e.StateKey == Event.Sender);

    private Type ComponentType(StateEventResponse Event) => Event.Type switch {
        "m.room.message" => typeof(TimelineMessageItem),
        "m.room.member" => typeof(TimelineMemberItem),
        _ => typeof(TimelineUnknownItem)
        };

    private Dictionary<string, object> ComponentParameters(Type ComponentType, StateEventResponse Event) => ComponentType switch {
        Type t when t == typeof(TimelineMessageItem) => new Dictionary<string, object> { { "Event", Event }, { "Events", Events } },
        Type t when t == typeof(TimelineMemberItem) => new Dictionary<string, object> { { "Event", Event }, { "Events", Events } },
        _ => new Dictionary<string, object> { { "Event", Event }, { "Events", Events } }
        };

}