MessageOperations.cs

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using System.Text.Json;
using Lilith.Core.Workspace;

namespace Lilith.Core.Messaging;

internal static class MessageOperations
{
    internal static readonly HashSet<string> Names = ["message_channels_operation", "message_check_operation", "message_status_operation", "message_claim_operation", "message_send_operation"];
    internal static bool NeedsApproval(string? receipt)
    {
        if (receipt is null) return false;
        using var doc = JsonDocument.Parse(receipt);
        return doc.RootElement.TryGetProperty("status", out var value) && value.GetString() == "needs_approval";
    }
    internal static async Task<string> ExecuteAsync(ProviderClient provider, string operation, IReadOnlyDictionary<string, string> inputs, CancellationToken ct)
    {
        string Get(string key) => inputs.GetValueOrDefault(key) ?? "";
        string nickname = Get("nickname");
        switch (operation)
        {
            case "message_channels_operation": return await MessageBridgeClient.RequestAsync("channels", new { key = Get("after") }, ct);
            case "message_check_operation": return await MessageBridgeClient.RequestAsync("inbox", new { nickname }, ct);
            case "message_status_operation": return await MessageBridgeClient.RequestAsync("status", new { nickname }, ct);
            case "message_claim_operation": return await MessageBridgeClient.RequestAsync("claim", new { nickname, messageId = Get("message_id") }, ct);
            case "message_send_operation":
                var workspace = provider.Workspace ?? throw new InvalidOperationException("Configure the boot-fixed access mode first.");
                string prepared = await MessageBridgeClient.RequestAsync("prepare", new { nickname, room = Get("room"), text = Get("text"), replyTo = Get("reply_to"), key = Guid.NewGuid().ToString("N") }, ct);
                using (var doc = JsonDocument.Parse(prepared))
                {
                    var proposal = doc.RootElement;
                    string id = proposal.GetProperty("id").GetString()!;
                    if (workspace.Options.Mode == WorkspaceAccessMode.Yolo)
                        return await MessageBridgeClient.RequestAsync("send", new { nickname, proposalId = id, signature = proposal.GetProperty("signature").GetString() }, ct);
                    provider.PendingMessageApproval = true;
                    return JsonSerializer.Serialize(new { status = "needs_approval", source = "dummy", nickname, proposal = proposal.Clone(), instruction = "Review the exact destination and text. Nothing sent. Enter /message-approve " + nickname + " " + id + " to send, or /message-reject " + nickname + " " + id + "." });
                }
            default: throw new ArgumentException("Unknown messaging operation.");
        }
    }
}