package fr.monlouyan.bakefile;

import java.io.IOException;

public class CommandExecutor {
    private boolean debug;
    
    public CommandExecutor(boolean debug) {
        this.debug = debug;
    }
    
    public void execute(Rule rule) {
        if (rule.getCommands().isEmpty()) {
            System.out.println("bake: Nothing to be done for '" + rule.getName() + "'.");
            return;
        }

        if (!rule.needsUpdate()) {
            if (rule.getName().equals(BakefileParser.getFirstTarget())) {
                System.out.println("bake: '" + rule.getName() + "' is up to date.");
            }
            return;
        }
        
        
        try {
            for (String command : rule.getCommands()) {
                System.out.println(command); // Affichage de la commande executée
                ProcessBuilder pb = new ProcessBuilder("sh", "-c", command);
                Process process = pb.start();
                int exitCode = process.waitFor();
                if (debug) System.out.println("Executed: " + command + " with exit code " + exitCode);
                if (exitCode != 0) {
                    System.err.println("Error executing " + rule.getName() + "");
                    break;
                }
            }
        } catch (IOException | InterruptedException e) {
            e.printStackTrace();
        }
    }    
}