package lsdis;
import java.net.MalformedURLException;
import java.net.URL;

import lsdis.*;

import java.util.ArrayList;
import java.util.List;


	/*
	 * generate url's and param names
	 */

public class WADLParserDriver {
	
	 
	// private  List<List<String>> paramNames = new ArrayList<List<String>>();
	 private  List<Method> definedMethods = new ArrayList<Method>();
	
	 private  int count = 0;
	 private  List<Method> crossReferencedMethods = new ArrayList<Method>();
	 private  List<String> crossReferencedMethodURLS = new ArrayList<String>();
	
	 private List<Method> completeMethodList = new ArrayList<Method>();
	 private  List<String> url = new ArrayList<String>();
	 
	 
	 public List<Method> getCompleteMethodList() {
		return completeMethodList;
	 }

	public List<String> getUrl() {
		return url;
	 }

	
	 
	public static void main(String[] args) throws Exception {

	WADLParserDriver mpw = new WADLParserDriver();
	//mpw.parse(new URL("http://cs.uga.edu/~ganjoo/galaxy/DDBJNCBIGenomeAnnotationGetGeneList.wadl"));
	mpw.parse(new URL("http://eupathdb.org/webservices/GeneQuestions/GenesByMolecularWeight.wadl"));
	mpw.displayInfo();
	
	}
	
	public void parse(URL fileURL) throws Exception {
		int i=0;
		
				
		
		//URL fileURL = new URL("http://www.eupathdb.org/webservices/GeneQuestions/GenesByMolecularWeight.wadl");
		
		WADLParser wadlP = new WADLParser(fileURL);
		
		Application app= new Application();
	    app=wadlP.getApplicationOfWADL();
		
	    String temp = "";
	    String tempHref="";
	    
	    for(Resources resources : app.getResources()){
	    	temp = resources.getBase().toString();
	    	//traverseSubResources(temp, resources);
	    	System.out.println(temp);
	    	for(Resource resource : resources.getResources()){
	    		
	    		temp = temp + resource.getPath();
	    		traverseResource(temp, resource);
	    		//traverseSubResources(temp, resource);
	    		System.out.println("resource path"+resource.getPath());
	    		if(resource.getParams()!=null && resource.getParams().size()!=0){
	    			for(Param param: resource.getParams()){
	    				System.out.println("params "+ param);
	    			}
	    		}
	    		
	    		
	    	}
	    		
	    }
	  
	    traverseCrossReferencedMethods();
	    displayInfo();
	    
	}//end main

	
	public void traverseSubResources(String passedString,Resource resource){
				
				
		
				
		for(Resource subResource : resource.getResources()){
			
			String temp = passedString;
			
			if(temp.charAt(temp.length()-1) != '/')
				temp += "/";
			temp += subResource.getPath();
			
//			if(subResource.getParams()!=null && subResource.getParams().size()!=0){
//    			for(Param param: subResource.getParams()){
//    				if(param.getStyle().equalsIgnoreCase("template")){
//    					System.out.println("params "+ param.getName());
//    					temp=temp+"/{"+param.getName()+"}";
//    				}
//    			}
//    		}
			
			//start
			
    				    		
    		for(Method method : subResource.getMethods()){
    			if(method.getId() != null){
    				url.add(count, temp);
    				definedMethods.add(method);
    				
    				completeMethodList.add(count,method);
    				
    				count++;
    			}
    			else if(method.getHref()!=null){	//will work only for intra-document cross-reference currently

    				crossReferencedMethods.add(method);
    				crossReferencedMethodURLS.add(temp);

    			}
    			else{
    			
    				System.out.println("ERROR : Method " + method.getName() + " does not have an id or a href !!" );
    			}
    		}
						
		
		traverseSubResources(temp, subResource);
			
		}//end for
			
	}//end method
	
	public void traverseResource(String passedString,Resource resource){
		
		
		
		String temp = passedString ;
				
			//start
			
    				    		
    		for(Method method : resource.getMethods()){
    			if(method.getId() != null){
    				url.add(count, temp);
    				definedMethods.add(method);
    				
    				completeMethodList.add(count,method);
    				
    				count++;
    			}
    			else if(method.getHref()!=null){	//will work only for intra-document cross-reference currently

    				crossReferencedMethods.add(method);
    				crossReferencedMethodURLS.add(temp);

    			}
    			else{
    			
    				System.out.println("ERROR : Method " + method.getName() + " does not have an id or a href !!" );
    			}
    		}
						
		
		traverseSubResources(temp, resource);
						
	}//end method
	
	public void traverseCrossReferencedMethods(){
		int i =0;
		String tempHref = "";
		
		for(Method method : crossReferencedMethods){
		
			url.add(count, crossReferencedMethodURLS.get(i));
			
			
			
			tempHref = method.getHref().toString();
			if(tempHref.startsWith("#")){
				tempHref = tempHref.substring(1);
			}
			
			for(Method m : definedMethods){
				if(m.getId().equals(tempHref)){
					
					Method tempMethod = new Method(m.getDocs(),m.getRequest(),m.getResponse(),m.getId(),m.getName(),method.getHref()); 
					completeMethodList.add(count,tempMethod);
					
					break;
				
				}
		
			}
			
			count++;
			i++;
		}
		
		
		
	}//end of method
	
//	public void displayInfo(){
//		if(url.size()!=paramNames.size()){
//			System.out.println("Debug the code !!!! :( ");
//			System.exit(0);
//		}
//		for(int i=0;i<url.size();i++){
//			System.out.println(url.get(i));
//			
//			for(String p : paramNames.get(i)){
//				System.out.print(p + ", ");
//			}
//			
//			System.out.println();
//			System.out.println();
//		}
//		
//	}
	
	public void displayInfo(){
		
		if(url.size()!=completeMethodList.size()){
			System.out.println("Debug the code !!!! :( ");
			System.exit(0);
		}
		for(int i=0;i<url.size();i++){
			System.out.println(url.get(i));
			
			for(Method m : completeMethodList){
				System.out.println(m.getName());
				for(Param param : m.getRequest().getParams()){
					System.out.println("\t"+param.getName());
					System.out.println("\t"+param.isRequired());
					for(Doc doc : param.getDocs()){
						if(doc.getTitle().equalsIgnoreCase("prompt")){
							System.out.println("Prompt: " + doc.getInnerText());
						}
						
					}
					List<Option> ops = param.getOptions();
					
//					if(ops.size()==0){
//						System.out.println("No options available");
//					}
//					else{
//					System.out.println("\t options:");
//					
//					for(Option option:param.getOptions()){
//						System.out.println("\t "+option.getName());
//					}
//					}
				}
			}
			
			System.out.println();
			System.out.println();
		}
	}
}