@page "/User/DMSpace/Setup"
@using LibMatrix.Homeservers
@using LibMatrix
@using MatrixUtils.LibDMSpace
@using MatrixUtils.LibDMSpace.StateEvents
@using MatrixUtils.Web.Pages.User.DMSpaceStages
<h3>DM Space Management</h3>
<hr/>
<CascadingValue Value="@DmSpace">
    @switch (Stage) {
        case -1:
            <p>Initialising...</p>
            break;
        case 0:
            <DMSpaceStage0/>
            break;
        case 1:
            <DMSpaceStage1/>
            break;
        case 2:
            <DMSpaceStage2/>
            break;
        case 3:
            <DMSpaceStage3/>
            break;
        default:
            <p>Stage is unknown value: @Stage!</p>
            break;
    }
</CascadingValue>

@code {
    private int _stage = -1;

    [Parameter, SupplyParameterFromQuery(Name = "stage")]
    public int Stage {
        get => _stage;
        set {
            _stage = value;
            Console.WriteLine($"Stage is now {value}");
            StateHasChanged();
        }
    }

    public AuthenticatedHomeserverGeneric? Homeserver { get; set; }

    public DMSpaceConfiguration? DmSpaceConfiguration { get; set; }

    [Parameter]
    public DMSpace? DmSpace { get; set; }

    protected override async Task OnInitializedAsync() {
        if (NavigationManager.Uri.Contains("?stage=")) {
            NavigationManager.NavigateTo("/User/DMSpace", true);
        }
        DmSpace = this;
        Homeserver ??= await RMUStorage.GetCurrentSessionOrNavigate();
        if (Homeserver is null) return;
        try {
            DmSpaceConfiguration = await Homeserver.GetAccountDataAsync<DMSpaceConfiguration>("gay.rory.dm_space");
            var room = Homeserver.GetRoom(DmSpaceConfiguration.DMSpaceId);
            await room.GetStateAsync<object>(DMSpaceInfo.EventId);
            Stage = 1;
        }
        catch (MatrixException e) {
            if (e.ErrorCode == "M_NOT_FOUND") {
                Stage = 0;
                DmSpaceConfiguration = new();
            }
            else throw;
        }
        catch (Exception e) {
            throw;
        }
        finally {
            StateHasChanged();
        }
        await base.OnInitializedAsync();
    }

    protected override async Task OnParametersSetAsync() {
        StateHasChanged();
        await base.OnParametersSetAsync();
    }

}