#include "__dump.h"
#include "Exception.h"
#include <iostream>
#include <fstream>
#include <vector>

namespace jet {

   __dump::__dump(coreutils::ZString &in, coreutils::MString &parentOut, Global &global, Tag *parent, Tag *local) : Tag(in, parentOut, global, parent, local) {
      if(!keywordDefined("file"))
	throw coreutils::Exception("file must be sppecified for dump tag.");

      std::ofstream outFile(keywords["file"].str());

      if(global.cgi) {
	 outFile << "*** CGI VARIABLES ***" << std::endl;
//	 for (auto i = global.cgiVariables.begin(); i != global.cgiVariables.end(); i++)
//	   outFile << i->first << "=[" << i->second << "]" << std::endl;
      }
      
      outFile << "*** GLOBAL VARIABLES ***" << std::endl;      
      for (auto i = global.variables.begin(); i != global.variables.end(); i++)
	outFile << i->first << "=[" << i->second << "]" << std::endl;

      outFile << "*** LOCAL VARIABLES ***" << std::endl;      
      for (auto i = local->variables.begin(); i != local->variables.end(); i++)
	outFile << i->first << "=[" << i->second << "]" << std::endl;

      outFile << "*** KEYWORD VALUES ***" << std::endl;      
      for (auto i = parent->keywords.begin(); i != parent->keywords.end(); i++)
	outFile << i->first << "=[" << i->second << "]" << std::endl;

      outFile << "*** COOKIES ***" << std::endl;
      for (auto i = global.cookies.data.begin(); i != global.cookies.data.end(); i++)
	outFile << i->first << "=[" << i->second << "]" << std::endl;

      // Custom <tag name="..."> definitions now have real scoping - one
      // defined directly inside another custom tag's own invocation is
      // only visible for the rest of that invocation (see Tag.h's
      // isCustomTagBoundary/localTags doc comment). Render the actual
      // tree currently in effect at this point in the script: global at
      // the root, then each enclosing custom-tag invocation nested one
      // level deeper, outermost first - if there's no active local scope
      // (this <dump> isn't running inside any custom tag's expansion),
      // that's just the root with nothing nested under it.
      outFile << "*** DEFINED TAGS ***" << std::endl;
      outFile << "(global)" << std::endl;
      for (auto i = global.tags.begin(); i != global.tags.end(); i++)
	outFile << "  " << i->first << std::endl;

      std::vector<Tag *> scopeChain;
      for (Tag *scope = this; scope; scope = scope->parent)
	if (scope->isCustomTagBoundary)
	  scopeChain.push_back(scope);

      int depth = 1;
      for (auto it = scopeChain.rbegin(); it != scopeChain.rend(); ++it) {
	 Tag *boundary = *it;
	 coreutils::MString indent;
	 for (int d = 0; d < depth; d++)
	   indent << "  ";
	 outFile << indent << "(inside " << boundary->name << ")" << std::endl;
	 for (auto i = boundary->localTags.begin(); i != boundary->localTags.end(); i++)
	   outFile << indent << "  " << i->first << std::endl;
	 depth++;
      }

      outFile.close();
      
   }
   
}