using DevelopAssistant.Service.TemplatingEngine;
using System;
using System.CodeDom.Compiler;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace DevelopAssistant.Service
{
 internal class Creater
 {
 internal static string CreateCode(TextTemplatingEngine host, string csType, string templateFile, string savePath,
 string outType, out string message)
 {
 message = string.Empty;

 host.TemplateFile = templateFile;
 Microsoft.VisualStudio.TextTemplating.Engine engine = new Microsoft.VisualStudio.TextTemplating.Engine();

 string input = "";
 string output = ""; 

 try
 {
 if (!System.IO.File.Exists(host.TemplateFile))
 {
 throw new Exception("未找到 " + host.TemplateFile + " 模板文件");
 }

 input = System.IO.File.ReadAllText(host.TemplateFile);
 output = engine.ProcessTemplate(input, host); 

 if (outType == "File")
 {
 try
 {
 string outputFile = savePath + host.ClassName + host.FileExtension;
 if (System.IO.Directory.Exists(savePath))
 {
 System.IO.File.WriteAllText(outputFile, output);
 }
 else
 {
 System.IO.Directory.CreateDirectory(savePath);
 System.IO.File.WriteAllText(outputFile, output);
 }
 }
 catch (Exception error)
 {
 DevelopAssistant.Common.NLogger.WriteToLine(error.Message, "错误", DateTime.Now, error.Source, error.StackTrace);
 message += error.ToString() + "\r\n";
 }
 }

 message += host.ClassName + " " + csType + " 代码生成成功" + "\r\n";

 foreach (CompilerError error in host.Errors)
 {
 message += error.ToString() + "\r\n";
 }
 }
 catch (Exception ex)
 {
 DevelopAssistant.Common.NLogger.WriteToLine(ex.Message, "错误", DateTime.Now, ex.Source, ex.StackTrace);
 }

 return output;
 }
 }
}