package org.msh.utils;

import org.apache.commons.lang.StringEscapeUtils;
import org.jboss.seam.annotations.Factory;
import org.jboss.seam.annotations.In;
import org.jboss.seam.annotations.Name;
import org.jboss.seam.international.LocaleSelector;

import javax.faces.model.SelectItem;
import java.text.DateFormatSymbols;
import java.util.*;

@Name("monthsUtils")
public class MonthsList {

    @In(create = true) Locale locale;
    @In(create = true) Map<String, String> messages;

    @Factory("months")
    public List<SelectItem> getResultList() {
        List<SelectItem> lst = new ArrayList<SelectItem>();

        DateFormatSymbols symbols = new DateFormatSymbols(locale);
        String[] values = symbols.getShortMonths();

        int numMes = 0;

        SelectItem si = new SelectItem();
        si.setLabel("-");
        lst.add(si);

        for (String val: values) {
            si = new SelectItem();
            String s = StringEscapeUtils.escapeHtml(val);
            si.setLabel(s);
            si.setValue(numMes);
            lst.add(si);

            numMes++;
            if (numMes >= 12)
                break;
        }

        return lst;
    }

    @Factory("monthsAll")
    public List<SelectItem> getMonthsAll() {
        List<SelectItem> lst = new ArrayList<SelectItem>();

        DateFormatSymbols symbols = new DateFormatSymbols(locale);
        String[] values = symbols.getShortMonths();

        int numMes = 0;

        SelectItem si = new SelectItem();
        si.setLabel(messages.get("form.noselection"));
        lst.add(si);

        for (String val: values) {
            si = new SelectItem();
            String s = StringEscapeUtils.escapeHtml(val);
            si.setLabel(s);
            si.setValue(numMes);
            lst.add(si);

            numMes++;
            if (numMes >= 12)
                break;
        }

        return lst;
    }


    @Factory("years")
    public List<SelectItem> getYears() {
        List<SelectItem> lst = new ArrayList<SelectItem>();
        Calendar c = Calendar.getInstance();
        int ano = c.get(Calendar.YEAR);

        SelectItem si = new SelectItem();
        si.setLabel("-");
        lst.add(si);

        for (int i = ano; i >= ano - 50; i--) {
            SelectItem it = new SelectItem();
            it.setLabel(Integer.toString(i));
            it.setValue(i);
            lst.add(it);
        }

        return lst;
    }

    @Factory("quarters")
    public List<SelectItem> getQuarters() {
        List<SelectItem> lst = new ArrayList<SelectItem>();

        lst.add(new SelectItem(null, messages.get("form.noselection")));
        for (int i = 1; i <= 4; i++) {
            lst.add(new SelectItem(i, Integer.toString(i)));
        }

        return lst;
    }

    @Factory("yearsAll")
    public List<SelectItem> getYearsAll() {
        List<SelectItem> lst = new ArrayList<SelectItem>();
        Calendar c = Calendar.getInstance();
        int ano = c.get(Calendar.YEAR);

        SelectItem si = new SelectItem();
        si.setLabel(messages.get("form.noselection"));
        lst.add(si);

        for (int i = ano; i >= ano - 50; i--) {
            lst.add(new SelectItem(i, Integer.toString(i)));
        }

        return lst;
    }

    @Factory("futureYears")
    public List<SelectItem> getFutureYears() {
        List<SelectItem> lst = new ArrayList<SelectItem>();
        Calendar c = Calendar.getInstance();
        int ano = c.get(Calendar.YEAR);

        SelectItem si = new SelectItem();
        si.setLabel("-");
        lst.add(si);

        for (int i = ano; i <= ano + 10; i++) {
            SelectItem it = new SelectItem();
            it.setLabel(Integer.toString(i));
            it.setValue(i);
            lst.add(it);
        }

        return lst;
    }

    @Factory("shortWeekNames")
    public String[] getShortWeekNames() {
        DateFormatSymbols df = new DateFormatSymbols(LocaleSelector.instance().getLocale());
        return df.getShortWeekdays();
    }
}