using System.Text.Json;
using Ananta.Server.Configuration;

namespace Ananta.Server.ClientData.Client4229938;

/// <summary>
/// Chinese → English name mapping for the debug panel spawn lists. The tables are generated
/// by VaultTool/build_translation.py (word segmentation + single-char fallback) over the
/// AgentConfig / UrbanDiversityPOIActionConfig name columns; unknown names fall back to the
/// original string.
/// </summary>
internal static class NameTranslator
{
    private static readonly Lazy<Dictionary<string, string>> Agents = new(() => Load("agent_names_en.json"));
    private static readonly Lazy<Dictionary<string, string>> PoiActions = new(() => Load("poi_actions_en.json"));

    public static string Agent(string? name)
        => Translate(Agents.Value, name);

    public static string PoiAction(string? name)
        => Translate(PoiActions.Value, name);

    private static string Translate(Dictionary<string, string> table, string? name)
    {
        if (string.IsNullOrWhiteSpace(name))
            return name ?? string.Empty;
        return table.TryGetValue(name, out var en) && !string.IsNullOrWhiteSpace(en) ? en : name;
    }

    private static Dictionary<string, string> Load(string file)
    {
        try
        {
            var root = PrivateServerConfigStore.ResolveProjectPath(PrivateServerConfigStore.Current.Paths.ClientConfigs);
            var path = Path.Combine(root, file);
            if (!File.Exists(path))
                return [];
            using var doc = JsonDocument.Parse(File.ReadAllText(path));
            var dict = new Dictionary<string, string>();
            foreach (var p in doc.RootElement.EnumerateObject())
                dict[p.Name] = p.Value.GetString() ?? string.Empty;
            return dict;
        }
        catch
        {
            return [];
        }
    }
}