STranslateDLL/STranslateDLL/Utilities.cs

using System.Text.Encodings.Web;
using System.Text.Json;
using System.Text.Json.Serialization;

namespace STranslateDLL;

public static class Utilities
{
    public const string Url = "https://www2.deepl.com/jsonrpc";
    private static long _nextId;
    private static bool _hasInit;

    public static readonly Dictionary<bool, string> TextTypeDic = new()
    {
        { true, "richtext" },
        { false, "plaintext" }
    };

    private static readonly JsonSerializerOptions GetOptions =
        new()
        {
            Encoder = JavaScriptEncoder.UnsafeRelaxedJsonEscaping,
            DefaultIgnoreCondition = JsonIgnoreCondition.WhenWritingDefault,
            WriteIndented = true
        };

    public static string Serialize(object data)
    {
        return JsonSerializer.Serialize(data, GetOptions);
    }

    public static void Initial()
    {
        if (_hasInit) return;

        var rand = new Random();
        var number = rand.NextInt64(99999) + 8300000;
        _nextId = number * 1000;

        _hasInit = true;
    }

    public static bool IsRichText(string text)
    {
        return text.Contains('<') && text.Contains('>');
    }

    public static long GenerateTimestamp(string texts)
    {
        long iCount = texts.Split('i').Length - 1;
        var ts = DateTimeOffset.UtcNow.ToUnixTimeMilliseconds();
        return iCount != 0 ? ts - ts % (iCount + 1) + iCount + 1 : ts;
    }

    public static long CreateId()
    {
        return Interlocked.Increment(ref _nextId);
    }

    public static string AdjustJsonContent(string json, long id)
    {
        string method;
        if ((id + 3) % 13 == 0 || (id + 5) % 29 == 0)
            method = "\"method\" : \"";
        else
            method = "\"method\": \"";
        return json.Replace("\"method\":\"", method);
    }
}