using Newtonsoft.Json;
using Newtonsoft.Json.Linq;
using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace Bro.Common.Helper
{
    public class SettingHelper
    {
        const string SETTINGFILE = "Setting.json";
        const string PROPERTY_PRODUCTIONCODES = "ProductionCodes";
        const string PROPERTY_CONFIGPATH = "ConfigPath";
        const string PROPERTY_PROCESSCODES = "ProcessCodes";

        static JObject data = null;
        static JObject Data
        {
            get
            {
                if (data == null)
                {
                    string configPath = Path.Combine(AppDomain.CurrentDomain.BaseDirectory, SETTINGFILE);
                    if (File.Exists(configPath))
                    {
                        using (StreamReader reader = new StreamReader(configPath, System.Text.Encoding.UTF8))
                        {
                            string dataStr = reader.ReadToEnd();
                            data = JsonConvert.DeserializeObject<JObject>(dataStr);
                        }
                    }
                }

                return data;
            }
        }

        public static List<string> GetProductionCodes()
        {
            List<string> codes = new List<string>();

            if (Data != null && Data.ContainsKey(PROPERTY_PRODUCTIONCODES))
            {
                codes = JsonConvert.DeserializeObject<List<string>>(Data.Value<string>(PROPERTY_PRODUCTIONCODES));
            }

            if (codes.Count == 0)
            {
                codes.Add("Default");
            }

            return codes;
        }

        public static List<string> GetProcessCodes()
        {
            List<string> codes = new List<string>();

            if (Data != null && Data.ContainsKey(PROPERTY_PROCESSCODES))
            {
                codes = JsonConvert.DeserializeObject<List<string>>(data.Value<string>(PROPERTY_PROCESSCODES));
            }
            return codes;
        }

        public static string GetConfigFilePath()
        {
            string path = "";

            if (Data != null && Data.ContainsKey(PROPERTY_CONFIGPATH))
            {
                path = Data.Value<string>(PROPERTY_CONFIGPATH);
            }

            return path;
        }
    }
}