MessageReceipt.cs

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using System.Text.Json;

namespace Lilith.Core.Messaging;

public static class MessageReceipt
{
    public static string ToReply(string receipt)
    {
        using var doc = JsonDocument.Parse(receipt);
        var root = doc.RootElement;
        string status = root.GetProperty("status").GetString()!;
        string nickname = root.GetProperty("nickname").GetString()!;
        var proposal = root.GetProperty("proposal");
        string destination = nickname + " / " + proposal.GetProperty("room").GetString();
        string text = proposal.GetProperty("text").GetString()!;
        return status switch
        {
            "needs_approval" => "Prepared a local dummy message to " + destination + ":\n" + text + "\n" + root.GetProperty("instruction").GetString(),
            "simulated_sent" => "Local dummy message to " + destination + ":\n" + text + "\nSimulated delivery only; no external channel was contacted.",
            "rejected" => "Rejected the prepared message to " + destination + ". Nothing sent.",
            _ => "Message outcome is unverified; no delivery is claimed."
        };
    }
}