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package org.jf.smali;

import com.beust.jcommander.JCommander;
import com.beust.jcommander.Parameter;
import com.beust.jcommander.Parameters;
import org.jf.util.jcommander.Command;
import org.jf.util.jcommander.ExtendedParameter;
import org.jf.util.jcommander.ExtendedParameters;

import javax.annotation.Nonnull;
import java.io.IOException;
import java.util.List;

@Parameters(
        commandDescription = "Lexes the given smali file(s) and prints the tokens.",
        hidden = true)
@ExtendedParameters(
        commandName = "tokens")
public class PrintTokensCommand extends Command {

    @Parameter(names = {"-h", "-?", "--help"}, help = true,
            description = "Show usage information for this command.")
    private boolean help;

    @Parameter(names = {"-a", "--api"},
            description = "The numeric api level to use while assembling.")
    @ExtendedParameter(argumentNames = "api")
    private int apiLevel = 15;

    @Parameter(description = "Assembles the given files. If a directory is specified, it will be " +
            "recursively searched for any files with a .smali prefix")
    @ExtendedParameter(argumentNames = "[<file>|<dir>]+")
    private List<String> input;

    public PrintTokensCommand(@Nonnull List<JCommander> commandAncestors) {
        super(commandAncestors);
    }

    @Override public void run() {
        if (help || input == null || input.isEmpty()) {
            usage();
            return;
        }

        try {
            Smali.printTokens(getOptions(), input);
        } catch (IOException ex) {
            throw new RuntimeException(ex);
        }
    }

    protected SmaliOptions getOptions() {
        SmaliOptions options = new SmaliOptions();

        options.apiLevel = apiLevel;

        return options;
    }
}