using System.Xml.Serialization;

namespace Dpz.Core.Web.Library.Activator;

#region Sitemap XML Models

[XmlRoot("urlset", Namespace = "http://www.sitemaps.org/schemas/sitemap/0.9")]
public class SitemapUrlSet
{
    [XmlElement("url")]
    public List<SitemapUrl> Urls { get; set; } = [];
}

[Serializable]
[XmlRoot("url")]
public class SitemapUrl
{
    [XmlElement("loc")]
    public string? Location { get; set; }

    [XmlElement("lastmod")]
    public string LastModified { get; set; } = DateTime.Now.ToString("yyyy-MM-dd");

    [XmlElement("changefreq")]
    public string ChangeFrequency { get; set; } = "weekly";

    [XmlElement("priority")]
    public float Priority { get; set; }
}

[XmlRoot("sitemapindex", Namespace = "http://www.sitemaps.org/schemas/sitemap/0.9")]
public class SitemapIndex
{
    [XmlElement("sitemap")]
    public List<SitemapEntry> Sitemaps { get; set; } = [];
}

[Serializable]
[XmlRoot("sitemap")]
public class SitemapEntry
{
    [XmlElement("loc")]
    public string? Location { get; set; }

    [XmlElement("lastmod")]
    public string LastModified { get; set; } = DateTime.Now.ToString("yyyy-MM-dd");
}

#endregion

#region SignalR Push Message

/// <summary>
/// 消息类型
/// </summary>
public enum MessageLevel
{
    /// <summary>
    /// 信息/成功
    /// </summary>
    Info = 0,

    /// <summary>
    /// 警告/进行中
    /// </summary>
    Warning = 1,

    /// <summary>
    /// 错误
    /// </summary>
    Error = 2
}

/// <summary>
/// 站点地图生成进度推送消息
/// </summary>
/// <param name="Message">推送消息内容</param>
/// <param name="Timestamp">推送时间</param>
/// <param name="Level">消息级别</param>
public record SitemapProgressMessage(string Message, DateTime Timestamp, MessageLevel Level)
{
    /// <summary>
    /// 创建信息消息
    /// </summary>
    public static SitemapProgressMessage Info(string message) =>
        new(message, DateTime.Now, MessageLevel.Info);

    /// <summary>
    /// 创建警告消息
    /// </summary>
    public static SitemapProgressMessage Warning(string message) =>
        new(message, DateTime.Now, MessageLevel.Warning);

    /// <summary>
    /// 创建错误消息
    /// </summary>
    public static SitemapProgressMessage Error(string message) =>
        new(message, DateTime.Now, MessageLevel.Error);
}

#endregion

#region Sitemap Configuration

/// <summary>
/// 站点地图配置
/// </summary>
public class SitemapConfiguration
{
    /// <summary>
    /// 网站基础 URL
    /// </summary>
    public string BaseUrl { get; set; } = "https://core.dpangzi.com";

    /// <summary>
    /// 单个 sitemap 最大 URL 数量 (协议限制 50000)
    /// </summary>
    public int MaxUrlsPerSitemap { get; set; } = 10000;

    /// <summary>
    /// 每批查询的数据量
    /// </summary>
    public int BatchSize { get; set; } = 500;
}

#endregion