package analyzer;

import java.io.File;

import java.io.IOException;

import java.nio.file.Path;

/**

* The main entrypoint to the Java analyzer from the command-line.

* The CLI expects three arguments and is used like this:

*

* <pre>

* java -jar java-analyzer.jar exercise-slug /path/to/input /path/to/output

* </pre>

*/

public class AnalyzerCli {

private static Path validateDirectory(String directory) {

var file = new File(directory);

if (!file.exists() || !file.isDirectory()) {

throw new IllegalArgumentException("Not a valid directory: " + directory);

}

return file.toPath();

}

public static void main(String... args) throws IOException {

if (args.length < 3) {

System.err.println("Invalid arguments. Usage: java-analyzer <exercise slug> <exercise directory> <output directory>");

System.exit(-1);

}

var slug = args[0];

var inputDirectory = validateDirectory(args[1]);

var outputDirectory = validateDirectory(args[2]);

var outputWriter = new OutputWriter(outputDirectory);

var solution = new SubmittedSolution(slug, inputDirectory);

var output = AnalyzerRoot.analyze(solution);

outputWriter.write(output);

}

}