namespace MyHomePage.Api.Models.Dtos;

/// <summary>同步单条记录</summary>
public class SyncChangeDto
{
    public string EntityType { get; set; } = string.Empty;
    public int EntityId { get; set; }
    public string Operation { get; set; } = "update";
    public DateTime Timestamp { get; set; }
}

/// <summary>同步响应</summary>
public class SyncChangesResponse
{
    /// <summary>本次拉取的变更记录</summary>
    public List<SyncChangeDto> Changes { get; set; } = new();

    /// <summary>全量最新数据快照（按实体类型分组）</summary>
    public SyncSnapshot Snapshot { get; set; } = new();

    /// <summary>服务器当前时间（用作下次 since）</summary>
    public DateTime ServerTime { get; set; } = DateTime.UtcNow;
}

/// <summary>全量快照</summary>
public class SyncSnapshot
{
    public List<CategoryDto> Categories { get; set; } = new();
    public List<BookmarkDto> Bookmarks { get; set; } = new();
    public List<SearchEngineDto> SearchEngines { get; set; } = new();
    public SettingDto? Settings { get; set; }
}