using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Xml;
using Abp.Configuration;
using IwbZero.ToolCommon.LogHelpers;

namespace WeEngine.Configuration
{
    public class IwbSettingProvider : SettingProvider
    {
        private static string FileName => Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "bin/Resources", "Setting.iwbx");
        public override IEnumerable<SettingDefinition> GetSettingDefinitions(SettingDefinitionProviderContext context)
        {
            if (!File.Exists(FileName))
            {
                throw new Exception("未查询到Setting文件，请检查配置！");
            }
            var list = new List<SettingDefinition>();
            var t = typeof(IwbSettingNames);
            var fts = t.GetFields().Select(a=>a.GetRawConstantValue()).ToList();
            try
            {
                var xDoc = new XmlDocument();
                xDoc.Load(FileName);
                XmlNode xmlNode = xDoc.LastChild;
                if (xmlNode != null && xmlNode.HasChildNodes)
                {
                    foreach (XmlNode node in xmlNode.ChildNodes)
                    {
                        var name = node.Attributes?["name"] != null ? node.Attributes["name"].Value : "";
                        var value = node.Attributes?["value"] != null ? node.Attributes["value"].Value : "";
                        if (fts.Contains(name))
                        {
                            var setting = new SettingDefinition(name, value,
                                scopes: SettingScopes.Application | SettingScopes.Tenant | SettingScopes.User,
                                isVisibleToClients: true);
                            if (!list.Contains(setting))
                            {
                                list.Add(setting);
                            }
                        }
                       
                    }
                }
            }
            catch (Exception e)
            {
                typeof(IwbSettingProvider).LogError(e);
                throw new Exception($"Setting文件解析失败，请检查配置！（{e.Message}）");
            }
            
            return list;
        }
    }
}