using Microsoft.Extensions.Configuration.Json;

namespace Cms.Core.WebApi
{
    public class InitConfiguration
    {

        static IConfiguration Configuration { get; set; }



        static InitConfiguration()
        {
            var appsettings = "appsettings.json";

            if (Environment.GetEnvironmentVariable("ASPNETCORE_ENVIRONMENT") != null 
                && Environment.GetEnvironmentVariable("ASPNETCORE_ENVIRONMENT") == "Production")
            {
                var envAppsettings = $"appsettings.{Environment.GetEnvironmentVariable("ASPNETCORE_ENVIRONMENT")}.json";
                Configuration = new ConfigurationBuilder()
                    .Add(new JsonConfigurationSource { Path = appsettings, Optional = false, ReloadOnChange = true })
                   .Add(new JsonConfigurationSource { Path = envAppsettings, Optional = false, ReloadOnChange = true })
                   .Build();
                return;
            }
            Configuration = new ConfigurationBuilder()
                   .Add(new JsonConfigurationSource { Path = appsettings, 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);
        }
    }
}