package de.superx.bin;

import java.io.File;
import java.io.FileWriter;
import java.io.IOException;
import java.io.Writer;
import java.util.HashMap;

import de.memtext.util.DateUtils;
import freemarker.template.Configuration;
import freemarker.template.Template;
import freemarker.template.TemplateException;

public class DialectCreator {
    private static String path, sourceFileName;

    private static String source;

    protected static Configuration cfg = new Configuration();

    private static Template template;

    public static void main(String[] args) {
        checkArgs(args);
        try {
            cfg.setDirectoryForTemplateLoading(new File(path));
            template = cfg.getTemplate(sourceFileName);
            //source=StringUtils.readFile(f);
            translate("Informix", "_ids");
            translate("Postgres", "_pg");

        } catch (Exception e) {
            e.printStackTrace();
        }
    }

    private static void checkArgs(String[] args) {
        if (args.length != 2) {
            System.out.println("Error: use: DialectCreator path sourcefilename");
            System.exit(1);
        }
        path = args[0];
        sourceFileName = args[1];
        File f = new File(path + File.separator + sourceFileName);
        if (!f.exists() || !f.canRead()) {
            System.out.println("Error: can't read source file " + args[1]);
            System.exit(1);
        }
    }

    private static void translatePostgres() {
        HashMap map = new HashMap();

        map.put("SQLdialect", "Postgres");

    }

    private static void translate(String dialect, String fileAppendix) throws TemplateException, IOException {
        HashMap map = new HashMap();
        map.put("SQLdialect", dialect);
        map.put("current", DateUtils.getTodayString() + " um " + DateUtils.getNowString());
        String fname = sourceFileName.substring(0, sourceFileName.length() - 4) + fileAppendix + ".sql";

        Writer out = new FileWriter(path + File.separator + fname);

        // Merge the data-model and the template
        template.process(map, out);
        out.close();
        System.out.println("  " + dialect + " variant created:" + fname);
    }
}

//Created on 19.04.2005 at 10:22:09