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@page "/Tools/MassCMEBan"
@using ArcaneLibs.Extensions
@using LibMatrix.RoomTypes
@using System.Collections.ObjectModel
@using LibMatrix
@using System.Collections.Frozen
@using LibMatrix.EventTypes.Spec.State
@using LibMatrix.EventTypes.Spec.State.Policy
@using MatrixUtils.Abstractions
<h3>User Trace</h3>
<hr/>

<br/>
<span>Users:</span>
<InputTextArea @bind-Value="@roomId"></InputTextArea>
<LinkButton OnClick="@Execute">Execute</LinkButton>

<br/>

<br/>
@foreach (var line in log.Reverse()) {
    <pre>@line</pre>
}

@code {
    // TODO: Properly implement page to be more useful
    private ObservableCollection<string> log { get; set; } = new();
    private AuthenticatedHomeserverGeneric hs { get; set; }
    
    [Parameter, SupplyParameterFromQuery(Name = "room")]
    public string roomId { get; set; }
    

    protected override async Task OnInitializedAsync() {
        log.CollectionChanged += (sender, args) => StateHasChanged();
        hs = await RMUStorage.GetCurrentSessionOrNavigate();
        if (hs is null) return;
       
        StateHasChanged();
        Console.WriteLine("Rerendered!");
        await base.OnInitializedAsync();
    }

    private async Task<string> Execute() {
        var room = hs.GetRoom("!fTjMjIzNKEsFlUIiru:neko.dev");
        // var room = hs.GetRoom("!yf7OpOiRDXx6zUGpT6:conduit.rory.gay");
        var users = roomId.Split("\n").Select(x => x.Trim()).Where(x=>x.StartsWith('@')).ToList();
        foreach (var user in users) {
            var exists = false;
            try {
                exists = !string.IsNullOrWhiteSpace((await room.GetStateAsync<UserPolicyRuleEventContent>(UserPolicyRuleEventContent.EventId, user.Replace('@', '_'))).Entity);
            } catch (Exception e) {
                log.Add($"Failed to get {user}");
            }

            if (!exists) {
                var evt = await room.SendStateEventAsync(UserPolicyRuleEventContent.EventId, user.Replace('@', '_'), new UserPolicyRuleEventContent() {
                    Entity = user,
                    Reason = "spam (invite)",
                    Recommendation = "m.ban"
                });
                log.Add($"Sent {evt.EventId} to ban {user}");
            }
            else {
                log.Add($"User {user} already exists");
            }
        }
        
        
        StateHasChanged();

        return "";
    }

}