using System.Collections.Generic;
using System.IO;
using System.Linq;
using IwbZero.AppServiceBase;
using WeEngine.Application.Packages.Dto;
using WeEngine.Functions;

namespace WeEngine.Application.Packages
{
    /// <summary>
    ///演练方案包维护
    /// </summary>
    public class EnginePackageAppService : IwbZeroAppServiceBase, IEnginePackageAppService
    {
        public EnginePackageAppService()
        {
            PackageBasePath = $"{WeEngineConst.DataFileBasePath}Packages/";
        }
        private string PackageBasePath { get; }

        /// <summary>
        /// 预加载方案包
        /// </summary>
        /// <param name="packageNo"></param>
        public void PreLoadPackage(string packageNo)
        {
            CacheManager.GetCache(EngineCacheName.Package).Remove(packageNo);
            CacheManager.GetPackageXml(packageNo);
        }

        /// <summary>
        /// 重新加载方案包
        /// </summary>
        /// <param name="packageNo"></param>
        public void ReLoadPackage(string packageNo)
        {
            var path = $"{PackageBasePath}{packageNo}/";
            if (Directory.Exists(path))
            {
                Directory.Delete(path, true);
            }
            PreLoadPackage(packageNo);
        }

        /// <summary>
        /// 查询引擎函数
        /// </summary>
        /// <returns></returns>
        public List<FunctionDto> QueryFunctions()
        {
            var funList= new List<FunctionDto>();
            var exprFunList= ExprFunction.LoadByXml(ExprFunction.GetFunXmlNode());
            if (exprFunList.Any())
            {
                foreach (var exprFun in exprFunList)
                {
                    if (exprFun.IsPublic)
                    {
                        funList.Add(new FunctionDto(exprFun));
                    }
                }
            }
            return funList;
        }
    }
}