using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Text;
using System.Windows.Forms;
using System.CodeDom.Compiler;

namespace Zhaizj.Framework.Utils
{
    public class WebServiceInvoker
    {
        private static readonly ILog logger = LogManager.GetLogger(typeof(WebServiceInvoker));
        /// <summary>
        /// InvokeWebservice("http://fz.ailiche.com/WebService/AddCrmBill.asmx", "WsBill.ConfigurableWebserviceDome", "AddCrmBill", "CheckClubCardUseState", new Object[] { "000001", "100" })
        /// </summary>
        /// <param name="url"></param>
        /// <param name="namespace"></param>
        /// <param name="classname"></param>
        /// <param name="methodname"></param>
        /// <param name="args"></param>
        /// <returns></returns>
        public static object InvokeWebservice(string url, string @namespace, string classname, string methodname, object[] args)
        {
            try
            {
                System.Net.WebClient wc = new System.Net.WebClient();
                System.IO.Stream stream = wc.OpenRead(url + "?WSDL");
                System.Web.Services.Description.ServiceDescription sd = System.Web.Services.Description.ServiceDescription.Read(stream);
                System.Web.Services.Description.ServiceDescriptionImporter sdi = new System.Web.Services.Description.ServiceDescriptionImporter();
                sdi.AddServiceDescription(sd, "", "");
                System.CodeDom.CodeNamespace cn = new System.CodeDom.CodeNamespace(@namespace);
                System.CodeDom.CodeCompileUnit ccu = new System.CodeDom.CodeCompileUnit();
                ccu.Namespaces.Add(cn);
                sdi.Import(cn, ccu);
                //Microsoft.CSharp.CSharpCodeProvider csc = new Microsoft.CSharp.CSharpCodeProvider();
                //System.CodeDom.Compiler.ICodeCompiler icc =csc.CreateCompiler();
                CodeDomProvider icc = CodeDomProvider.CreateProvider("CSharp");
                System.CodeDom.Compiler.CompilerParameters cplist = new System.CodeDom.Compiler.CompilerParameters();
                cplist.GenerateExecutable = false;
                cplist.GenerateInMemory = true;
                cplist.ReferencedAssemblies.Add("System.dll");
                cplist.ReferencedAssemblies.Add("System.XML.dll");
                cplist.ReferencedAssemblies.Add("System.Web.Services.dll");
                cplist.ReferencedAssemblies.Add("System.Data.dll");

                System.CodeDom.Compiler.CompilerResults cr = icc.CompileAssemblyFromDom(cplist, ccu);
                if (true == cr.Errors.HasErrors)
                {
                    System.Text.StringBuilder sb = new System.Text.StringBuilder();
                    foreach (System.CodeDom.Compiler.CompilerError ce in cr.Errors)
                    {
                        sb.Append(ce.ToString());
                        sb.Append(System.Environment.NewLine);
                    }
                    throw new Exception(sb.ToString());
                }
                System.Reflection.Assembly assembly = cr.CompiledAssembly;
                Type t = assembly.GetType(@namespace + "." + classname, true, true);
                object obj = Activator.CreateInstance(t);
                System.Reflection.MethodInfo mi = t.GetMethod(methodname);
                return mi.Invoke(obj, args);
            }
            catch (Exception ex)
            {
                logger.Error(ex.Message);
                throw new Exception(ex.InnerException.Message, new Exception(ex.InnerException.StackTrace));
            }
        } 
    }
}