using System;
using System.IO;
using YamlDotNet.Serialization;
using System.Collections.Generic;
using SHJX.Service.Model.XmlModules;

namespace SHJX.Service.Common.ReadXML
{
    public class PipelineConfig
    {
        private static PipelineConfig _config;
        private static readonly object obj_lock = new();
        protected string FileName => string.Concat(AppDomain.CurrentDomain.SetupInformation.ApplicationBase, "config/pipeline.config.yaml");
        private PipelineConfig() { }

        public static PipelineConfig Instance
        {
            get
            {
                if (_config is null)
                {
                    lock (obj_lock)
                    {
                        _config = new();
                    }
                }
                return _config;
            }
        }

        public List<PipelineContent> PipelineContents
        {
            get
            {
                using TextReader reader = File.OpenText(FileName);
                Deserializer deserializer = new();
                PipelineConfigs config = deserializer.Deserialize<PipelineConfigs>(reader);
                return config.PipeContents;
            }
        }
    }
}