using Coravel;
using Microsoft.Extensions.Configuration;
using Microsoft.Extensions.Hosting;
using System.Collections.Generic;
using System.Net.NetworkInformation;
using VideoAnalysisCore.Common;
using VideoAnalysisCore.Job;

namespace VideoAnalysisCore.Common.Expand
{
    public static class AppConfigExpand
    {
        public static ushort GenerateIdFromIpPower()
        {
            var mac = NetworkInterface.GetAllNetworkInterfaces()
                .Where(n => n.OperationalStatus == OperationalStatus.Up && n.NetworkInterfaceType != NetworkInterfaceType.Loopback)
                .Select(n => n.GetPhysicalAddress())
                .FirstOrDefault(addr => addr.GetAddressBytes().Length > 0);

            if (mac == null) return 0;

            byte[] bytes = mac.GetAddressBytes();
            // 取 MAC 地址的最后两个字节生成 ushort
            return (ushort)((bytes[^2] << 8) | bytes[^1]);
        }
        public static ushort GetPersistentDeviceId()
        {
            string path = "device_id.config";
            if (File.Exists(path))
            {
                return ushort.Parse(File.ReadAllText(path));
            }

            // 首次启动，生成 ID (比如用你之前的 IP 幂运算法)
            ushort newId = GenerateIdFromIpPower();
            File.WriteAllText(path, newId.ToString());
            return newId;
        }
        public static void AddAppConfig(this IHostApplicationBuilder hb, string[] args)
        {
            Console.WriteLine($"{DateTime.Now}=>初始化 AppConfig");
            hb.Configuration.GetSection("AppConfig").Bind(AppCommon.Config);
            AppCommon.Config.ID = GetPersistentDeviceId();
            var argList = args.ToList();
            var eArgs = Environment.GetEnvironmentVariable("va_args");
            if (!string.IsNullOrEmpty(eArgs))
                argList.AddRange(eArgs.Split(","));

            Console.WriteLine("===========================================");
            Console.WriteLine($"设备ID：{AppCommon.Config.ID}"); 
            Console.WriteLine($"当前环境: {hb.Environment.EnvironmentName}");
            Console.WriteLine("启动参数如下：");
            Console.WriteLine(string.Join(',', args));
            Console.WriteLine("===========================================");

            if (args.Contains("IS_Server"))
                AppCommon.Config.TaskSetting.IS_Server = true;
        }

        /// <summary>
        /// 交互式环境选择函数
        /// </summary>
        public static void SelectEnvironment(ref string[] args)
        {
            // 如果没有控制台（如在某些后台服务或重定向中），则跳过交互
            if (Console.IsInputRedirected) return;

            Console.Title = "ASP.NET Core 环境选择器";
            Console.WriteLine("==================================================");
            Console.WriteLine("  请选择程序运行环境 (直接回车默认使用开发环境)");
            Console.WriteLine("==================================================");
            Console.ForegroundColor = ConsoleColor.Green;
            Console.WriteLine("  [1] 生产环境 (Production)");
            Console.ForegroundColor = ConsoleColor.Yellow;
            Console.WriteLine("  [2] 测试环境 (Staging)");
            Console.ForegroundColor = ConsoleColor.Cyan;
            Console.WriteLine("  [3] 开发环境 (Development)");
            Console.ResetColor();
            Console.WriteLine("==================================================");
            Console.Write(" 请输入编号 [1/2/3] (默认 3): ");

            // 获取输入
            string? input = Console.ReadLine()?.Trim();

            // 映射逻辑
            string selectedEnv = input switch
            {
                "1" => Environments.Production,
                "2" => Environments.Staging,
                "3" => Environments.Development,
                _ => Environments.Development // 输入错误或直接回车，默认走开发环境
            };

            // 核心：在 Build 之前覆盖环境名
            args = args.Concat( new[] { "--environment", selectedEnv }).ToArray();

            // 成功反馈
            Console.Clear();
            Console.BackgroundColor = ConsoleColor.DarkBlue;
            Console.ForegroundColor = ConsoleColor.White;
            Console.WriteLine($" 已确认切换至: {selectedEnv} 模式 ");
            Console.ResetColor();
            Console.WriteLine();
        }
    }
}