using System.Text.RegularExpressions;

namespace LTEMvcApp.Models
{
    /// <summary>
    /// 日志模型配置
    /// </summary>
    public static class LogModelConfig
    {
        /// <summary>
        /// 模型列表（顺序重要）
        /// </summary>
        public static readonly string[] ModelList = 
        {
            "RUE", "UE", "PROBE", "ENB", "N3IWF", "MBMSGW", "MME", "IMS", "LICENSE", "MONITOR"
        };

        /// <summary>
        /// 模型配置字典
        /// </summary>
        public static readonly Dictionary<string, ModelConfig> Models = new()
        {
            ["RUE"] = new() { Icon = "icon-ue2" },
            ["UE"] = new() { Icon = "icon-ue" },
            ["PROBE"] = new() { },
            ["ENB"] = new() 
            { 
                Icon = "icon-air", 
                ModelHint = new Regex(@"enb|gnb|bbu", RegexOptions.IgnoreCase), 
                Title = "RAN" 
            },
            ["N3IWF"] = new() 
            { 
                Icon = "icon-air", 
                ModelHint = new Regex(@"n3iwf", RegexOptions.IgnoreCase), 
                Title = "N3IWF" 
            },
            ["MME"] = new() 
            { 
                Icon = "icon-server", 
                ModelHint = new Regex(@"epc|mme|amf", RegexOptions.IgnoreCase), 
                Title = "CN" 
            },
            ["MBMSGW"] = new() 
            { 
                Icon = "icon-download", 
                ModelHint = new Regex(@"mbms", RegexOptions.IgnoreCase) 
            },
            ["IMS"] = new() { Icon = "icon-dial" },
            ["MONITOR"] = new() { Icon = "icon-monitor" },
            ["LICENSE"] = new() { Icon = "icon-file" }
        };

        /// <summary>
        /// 获取模型配置
        /// </summary>
        /// <param name="modelName">模型名称</param>
        /// <returns>模型配置</returns>
        public static ModelConfig? GetModelConfig(string modelName)
        {
            return Models.TryGetValue(modelName, out var config) ? config : null;
        }

        /// <summary>
        /// 根据提示匹配模型
        /// </summary>
        /// <param name="hint">提示文本</param>
        /// <returns>匹配的模型名称</returns>
        public static string? MatchModelByHint(string hint)
        {
            foreach (var kvp in Models)
            {
                if (kvp.Value.ModelHint?.IsMatch(hint) == true)
                {
                    return kvp.Key;
                }
            }
            return null;
        }

        /// <summary>
        /// 获取所有模型名称
        /// </summary>
        /// <returns>模型名称列表</returns>
        public static List<string> GetAllModelNames()
        {
            return ModelList.ToList();
        }

        /// <summary>
        /// 验证模型名称是否有效
        /// </summary>
        /// <param name="modelName">模型名称</param>
        /// <returns>是否有效</returns>
        public static bool IsValidModel(string modelName)
        {
            return Models.ContainsKey(modelName);
        }
    }

    /// <summary>
    /// 模型配置
    /// </summary>
    public class ModelConfig
    {
        /// <summary>
        /// 图标类名
        /// </summary>
        public string? Icon { get; set; }

        /// <summary>
        /// 模型提示正则表达式
        /// </summary>
        public Regex? ModelHint { get; set; }

        /// <summary>
        /// 显示标题
        /// </summary>
        public string? Title { get; set; }
    }
}