package org.simantics.graph.refactoring;

import gnu.trove.map.hash.THashMap;

import java.io.File;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Collections;

import org.simantics.databoard.Files;
import org.simantics.graph.query.TransferableGraphConversion;
import org.simantics.graph.representation.old.OldTransferableGraph1;
import org.simantics.graph.store.IdentityStore;
import org.simantics.graph.store.IdentityStore.ConsistsOf;

public class PrintReferencesTool {

    public static void main(String[] args) throws Exception {
        print(new File(args[0]));
    }
    
    public static void print(File input) throws IOException {
        OldTransferableGraph1 tg = (OldTransferableGraph1)
                Files.readFile(input, OldTransferableGraph1.BINDING);
        GraphRefactoringUtils.fixIncorrectRoot(tg.identities);
        IdentityStore idStore = TransferableGraphConversion.extractIdentities(tg);
        printExternals(idStore, idStore.getRoot(""), 0);
    }

    private static void printExternals(IdentityStore idStore, int cur, int indentation) {
        THashMap<String, ConsistsOf> map = idStore.getChildMap(cur);
        if(map == null)
            return;
        ArrayList<String> names = new ArrayList<String>(map.keySet());
        Collections.sort(names);
        for(String name : names) {
            ConsistsOf co = map.get(name);
            if(!idStore.isNewResource(co.child)) {
                for(int i=0;i<indentation;++i)
                    System.out.print("    ");
                System.out.println(name);
                printExternals(idStore, co.child, indentation+1);
            }
        }
    }
    
}