package shadersmodcore.transform;

import java.io.BufferedReader;
import java.io.FileNotFoundException;
import java.io.FileReader;
import java.io.IOException;
import java.util.HashMap;
import java.util.Map;
import org.objectweb.asm.commons.Remapper;
import org.objectweb.asm.commons.SimpleRemapper;

import shadersmodcore.transform.Names.Clas;
import shadersmodcore.transform.Names.Fiel;
import shadersmodcore.transform.Names.Meth;

public class NamerMcp extends NamerSrg {
	
	public void setNames()
	{
		setNamesSrg();
		lookupReobfName("../conf/");
		rename("../conf/");
	}
	
	public void rename(String confPath)
	{
		Map<String,String> nameMap;
		nameMap = loadNameMapCSV(confPath+"fields.csv");
		for (Fiel f : af) {
			String s = nameMap.get(f.name);
			if (s!= null) {
				f.name = s;
			}
		}
		nameMap = loadNameMapCSV(confPath+"methods.csv");
		for (Meth m : am) {
			String s = nameMap.get(m.name);
			if (s!= null) {
				m.name = s;
			}
		}
	}
	
	Map loadNameMapCSV(String fileName)
	{
		Map map = new HashMap();
		BufferedReader rd = null;
		try {
	 		rd = new BufferedReader(new FileReader(fileName));
			String line;
			rd.readLine(); // skip first line;
			while ((line = rd.readLine()) != null) {
				String[] tokens = line.split(",");
				if(tokens.length>1)
				{
					map.put(tokens[0],tokens[1]);
				}
			}
		} catch (FileNotFoundException e) {
			e.printStackTrace();
		} catch (IOException e) {
			e.printStackTrace();
		} finally {
			if (rd != null) {
				try {
					rd.close();
				} catch (IOException e) {
					e.printStackTrace();
				}
			}
		}
		return map;
	}

	void lookupReobfName(String confPath)
	{
		Map<String,String> nameMap;
		nameMap = loadReobfMap(confPath+"joined.srg");
		for (Clas c : ac) {
			String s = nameMap.get(c.name);
			System.out.printf("C %s %s\n",c.name,s);
		}
		for (Fiel f : af) {
			String s = nameMap.get(f.clas+"/"+f.name);
			System.out.printf("F %s %s\n",f.name,s);
		}
		for (Meth m : am) {
			String s = nameMap.get(m.clas+"/"+m.name+m.desc);
			System.out.printf("M %s %s\n",m.name,s);
		}
	}


	Map loadReobfMap(String fileName)
	{
		Map map = new HashMap();
		BufferedReader rd = null;
		try {
	 		rd = new BufferedReader(new FileReader(fileName));
			String line;
			while ((line = rd.readLine()) != null) {
				String[] tokens = line.split(" ");
				if(tokens.length>1)
				{
					if ("CL:".equals(tokens[0])) {
						map.put(tokens[2], tokens[1]);
					} else if ("FD:".equals(tokens[0])) {
						map.put(tokens[2], tokens[1]);
					} else if ("MD:".equals(tokens[0])) {
						map.put(tokens[3]+tokens[4], tokens[1].substring(tokens[1].lastIndexOf('/')+1));
					}
				}
			}
		} catch (FileNotFoundException e) {
			e.printStackTrace();
		} catch (IOException e) {
			e.printStackTrace();
		} finally {
			if (rd != null) {
				try {
					rd.close();
				} catch (IOException e) {
					e.printStackTrace();
				}
			}
		}
		return map;
	}
}