using System.Text.Json;

namespace RPG.GameCore.Resources;

internal class LocalResourceProvider : IResourceProvider
{
    private const string DataPath = "data/";
    private const string LevelFloorSubdirectory = "Config/LevelOutput/Floor/";
    private const string ExcelSubdirectory = "Config/ExcelBinOutput/";

    public IEnumerable<string> EnumerateAllLevelFloorAssets()
    {
        return Directory.EnumerateFiles(DataPath + LevelFloorSubdirectory);
    }

    public JsonDocument GetExcelTableJson(string file)
    {
        return GetJsonAsset(string.Concat(DataPath, ExcelSubdirectory, file));
    }

    public JsonDocument GetJsonAsset(string file)
    {
        if (!file.StartsWith(DataPath)) file = string.Concat(DataPath, file);

        using FileStream fileStream = new(file, FileMode.Open, FileAccess.Read);
        return JsonDocument.Parse(fileStream);
    }
}