using System.IO;
using System.Text.Json;
using YY.Admin.Core.Util;

namespace YY.Admin.Services.Service.Jeecg
{
    /// <summary>
    /// 读写本地 Jeecg 同步状态文件（用户可写目录，避免 Program Files 无写权限）。
    /// </summary>
    public class JeecgSyncStateStore
    {
        private readonly string _filePath;

        public JeecgSyncStateStore()
        {
            var dir = AppWritablePaths.EnsureDirectoryExists(AppWritablePaths.ConfigurationDirectory);
            _filePath = Path.Combine(dir, "jeecg-sync-state.json");
        }

        public JeecgSyncState Load()
        {
            try
            {
                if (!File.Exists(_filePath))
                {
                    return new JeecgSyncState();
                }

                var json = File.ReadAllText(_filePath);
                return JsonSerializer.Deserialize<JeecgSyncState>(json) ?? new JeecgSyncState();
            }
            catch
            {
                return new JeecgSyncState();
            }
        }

        public void Save(JeecgSyncState state)
        {
            var dir = Path.GetDirectoryName(_filePath);
            if (!string.IsNullOrEmpty(dir))
            {
                Directory.CreateDirectory(dir);
            }

            var json = JsonSerializer.Serialize(state, new JsonSerializerOptions { WriteIndented = true });
            File.WriteAllText(_filePath, json);
        }
    }
}