package no.uio.ifi.refaktor.analyze.analyzers;

import java.util.LinkedList;
import java.util.List;

import no.uio.ifi.refaktor.analyze.AnalysisStatistics;
import no.uio.ifi.refaktor.analyze.ExtractAndMoveMethodAnalysisResult;
import no.uio.ifi.refaktor.utils.RefaktorDebug;

import org.eclipse.jdt.core.ICompilationUnit;
import org.eclipse.jdt.core.IType;
import org.eclipse.jdt.core.JavaModelException;

public class CompilationUnitWideSearchBasedExtractAndMoveMethodAnalyzer implements SearchBasedAnalyzer {

	private final ICompilationUnit compilationUnit;
	private final AnalysisStatistics statistics;
	private final List<ExtractAndMoveMethodAnalysisResult> results;

	public CompilationUnitWideSearchBasedExtractAndMoveMethodAnalyzer(ICompilationUnit compilationUnit, AnalysisStatistics statistics) {
		this.compilationUnit = compilationUnit;
		this.statistics = statistics;
		results = new LinkedList<ExtractAndMoveMethodAnalysisResult>();
	}

	@Override
	public List<ExtractAndMoveMethodAnalysisResult> getResults() {
		return results;
	}

	@Override
	public void analyze() {
		try {
			analyzeMethodsInCompilationUnit();
		} catch (JavaModelException e) {
			RefaktorDebug.log(e);
		}
		statistics.incrementCompilationUnitCount();
	}

	private void analyzeMethodsInCompilationUnit() throws JavaModelException {
		for (IType type: compilationUnit.getAllTypes())
			analyzeMethodsInType(type);
	}

	private void analyzeMethodsInType(IType type) throws JavaModelException {
		TypeWideSearchBasedExtractAndMoveMethodAnalyzer analyzer = new TypeWideSearchBasedExtractAndMoveMethodAnalyzer(type, statistics);
		analyzer.analyze();
		results.addAll(analyzer.getResults());
	}
}