using AIK.Common.Interface;
using AIK.Common.Language;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace AIKKey
{
    public class SettingsService : ISettingsService
    {
        public UserPreferences Load()
        {
            var prefs = new UserPreferences
            {
                Language = AIK.Common.Properties.Settings.Default.Language ?? "zh",
                DeviceId = AIK.Common.Properties.Settings.Default.DeviceId ?? string.Empty
            };

            // 首次启动自动生成设备 UUID
            if (string.IsNullOrEmpty(prefs.DeviceId))
            {
                prefs.DeviceId = Guid.NewGuid().ToString("D").ToLowerInvariant();
                Save(prefs);
            }

            return prefs;
        }

        public void Save(UserPreferences settings)
        {
            AIK.Common.Properties.Settings.Default.Language = settings.Language;
            AIK.Common.Properties.Settings.Default.DeviceId = settings.DeviceId;
            AIK.Common.Properties.Settings.Default.Save(); // 安全写入用户目录
        }
    }
}