using Microsoft.Extensions.Configuration;
using Microsoft.Extensions.Configuration.Json;
using System;
using System.Collections.Generic;
using System.Configuration;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace Zxd.SqlSugar
{
    public class InitConfiguration
    {
        private static IConfiguration Configuration { get; set; }

        static InitConfiguration()
        {
            var path = "appsettings.json";
            var env = Environment.GetEnvironmentVariable("ASPNETCORE_ENVIRONMENT");
            if (!string.IsNullOrEmpty(env) && env != "Development")
            {
                path = $"appsettings.{Environment.GetEnvironmentVariable("ASPNETCORE_ENVIRONMENT")}.json";
            }
            Configuration = new ConfigurationBuilder()

               .Add(new JsonConfigurationSource { Path = path, Optional = false, ReloadOnChange = true })
               .Build();
        }

        public InitConfiguration(IConfiguration configuration)
        {
            Configuration = configuration;
        }

        /// <summary>
        /// 封装要操作的字符
        /// </summary>
        /// <param name="sections">节点配置</param>
        /// <returns></returns>
        public static string app(params string[] sections)
        {
            try
            {
                if (sections.Any())
                {
                    return Configuration[string.Join(":", sections)];
                }
            }
            catch (Exception)
            {
            }

            return "";
        }

        public static string GetConnectionString(string key)
        {
            return Configuration.GetConnectionString(key);
        }

        public static IConfigurationSection GetSection(string key)
        {
            return Configuration.GetSection(key);
        }
    }
}