/*
 * Created on May 19, 2005
 * Copyright (C) 2004-2005, Unicode, Inc., International Business Machines Corporation, and others.
 * For terms of use, see http://www.unicode.org/terms_of_use.html
 */
package org.unicode.cldr.tool;

import java.util.HashMap;
import java.util.Iterator;
import java.util.Map;
import java.util.Set;
import java.util.TreeMap;
import java.util.TreeSet;

import org.unicode.cldr.util.CLDRFile;
import org.unicode.cldr.util.Factory;
import org.unicode.cldr.util.ICUServiceBuilder;
import org.unicode.cldr.util.Log;

import com.ibm.icu.text.UnicodeSet;
import com.ibm.icu.util.ULocale;

class GenerateCldrDateTimeTests {
    Map<ULocale, UnicodeSet> ulocale_exemplars = new TreeMap<ULocale, UnicodeSet>(GenerateCldrTests.ULocaleComparator);
    Map<UnicodeSet, UnicodeSet> uniqueExemplars = new HashMap<UnicodeSet, UnicodeSet>();
    Set<ULocale> locales = new TreeSet<ULocale>(GenerateCldrTests.ULocaleComparator);

    UnicodeSet getExemplarSet(ULocale locale) {
        return ulocale_exemplars.get(locale);
    }

    void show() {
        Log.logln("Showing Locales");
        Log.logln("Unique Exemplars: " + uniqueExemplars.size());
        for (Iterator<ULocale> it2 = ulocale_exemplars.keySet().iterator(); it2.hasNext();) {
            ULocale locale = it2.next();
            UnicodeSet us = getExemplarSet(locale);
            Log.logln("\t" + locale + ", " + us);
        }
    }

    static final ULocale ROOT = new ULocale("root"); // since CLDR has different root.
    private Factory cldrFactory;
    ICUServiceBuilder icuServiceBuilder;

    GenerateCldrDateTimeTests(String sourceDir, String localeRegex, boolean doResolved) {
        this.cldrFactory = Factory.make(sourceDir, ".*");
        icuServiceBuilder = new ICUServiceBuilder();
        Set<String> s = GenerateCldrTests.getMatchingXMLFiles(sourceDir, localeRegex);
        for (Iterator<String> it = s.iterator(); it.hasNext();) {
            getInfo(it.next(), doResolved);
        }
        // now do inheritance manually
        for (Iterator<ULocale> it = locales.iterator(); it.hasNext();) {
            ULocale locale = it.next();
            UnicodeSet ex = (UnicodeSet) ulocale_exemplars.get(locale);
            if (ex != null) continue;
            for (ULocale parent = locale.getFallback(); parent != null; parent = parent.getFallback()) {
                ULocale fixedParent = parent.getLanguage().length() == 0 ? ROOT : parent;
                ex = (UnicodeSet) ulocale_exemplars.get(fixedParent);
                if (ex == null) continue;
                ulocale_exemplars.put(locale, ex);
                break;
            }
        }

    }

    void getInfo(String locale, boolean doResolved) {
        System.out.println("Getting info for: " + locale);
        locales.add(new ULocale(locale));
        CLDRFile cldrFile = cldrFactory.make(locale, doResolved);
        // Node node = LDMLUtilities.getNode(doc, "//ldml/characters/exemplarCharacters");
        String cpath = "//ldml/characters/exemplarCharacters";
        String path = cldrFile.getFullXPath(cpath);
        if (path == null) return;
        // if (path.indexOf("[@draft=") >= 0) System.out.println("Skipping draft: " + locale + ",\t" + path);
        String exemplars = cldrFile.getStringValue(cpath);
        UnicodeSet exemplarSet = new UnicodeSet(exemplars);
        UnicodeSet fixed = (UnicodeSet) uniqueExemplars.get(exemplarSet);
        if (fixed == null) {
            uniqueExemplars.put(exemplarSet, exemplarSet);
            fixed = exemplarSet;
        }
        ulocale_exemplars.put(new ULocale(locale), fixed);
    }

    // ========== DATES ==========

    /*
     * Equator DateEquator = new Equator() {
     *//**
     * Must both be ULocales
     */
    /*
     * public boolean equals(Object o1, Object o2) {
     * ULocale loc1 = (ULocale) o1;
     * ULocale loc2 = (ULocale) o2;
     * for (int i = 0; i < ICUServiceBuilder.LIMIT_DATE_FORMAT_INDEX; ++i) {
     * for (int j = 0; j < ICUServiceBuilder.LIMIT_DATE_FORMAT_INDEX; ++j) {
     * if (i == 0 && j == 0) continue; // skip null case
     * DateFormat df1 = icuServiceBuilder.getDateFormat(loc1.toString(), i, j);
     * NumberFormat nf = df1.getNumberFormat();
     * nf.setCurrency(ICUServiceBuilder.NO_CURRENCY);
     * df1.setNumberFormat(nf);
     * DateFormat df2 = icuServiceBuilder.getDateFormat(loc2.toString(), i, j);
     * nf = df2.getNumberFormat();
     * nf.setCurrency(ICUServiceBuilder.NO_CURRENCY);
     * df2.setNumberFormat(nf);
     * if (!df1.equals(df2)) {
     * df1.equals(df2);
     * return false;
     * }
     * }
     * }
     * return true;
     * }
     * };
     */

    /*
     * Equator ZoneEquator = new Equator() {
     *
     * public boolean equals(Object o1, Object o2) {
     * ULocale loc1 = (ULocale) o1;
     * ULocale loc2 = (ULocale) o2;
     * // locales are equivalent they have the same zone resources.
     * CLDRFile cldrFile1 = cldrFactory.make(loc1.toString(),true);
     * CLDRFile cldrFile2 = cldrFactory.make(loc1.toString(),true);
     * for (int i = 0; i < ICUServiceBuilder.LIMIT_DATE_FORMAT_INDEX; ++i) {
     * for (int j = 0; j < ICUServiceBuilder.LIMIT_DATE_FORMAT_INDEX; ++j) {
     * if (i == 0 && j == 0) continue; // skip null case
     * DateFormat df1 = icuServiceBuilder.getDateFormat(loc1.toString(), i, j);
     * NumberFormat nf = df1.getNumberFormat();
     * nf.setCurrency(ICUServiceBuilder.NO_CURRENCY);
     * df1.setNumberFormat(nf);
     * DateFormat df2 = icuServiceBuilder.getDateFormat(loc2.toString(), i, j);
     * nf = df2.getNumberFormat();
     * nf.setCurrency(ICUServiceBuilder.NO_CURRENCY);
     * df2.setNumberFormat(nf);
     * if (!df1.equals(df2)) {
     * df1.equals(df2);
     * return false;
     * }
     * }
     * }
     * return false;
     * }
     * };
     */
    // ========== NUMBERS ==========

    /*
     * <numbers>
     * -
     * <symbols>
     * <decimal>.</decimal>
     * <group>,</group>
     * <list>;</list>
     * <percentSign>%</percentSign>
     * <nativeZeroDigit>0</nativeZeroDigit>
     * <patternDigit>#</patternDigit>
     * <plusSign>+</plusSign>
     * <minusSign>-</minusSign>
     * <exponential>E</exponential>
     * <perMille>\u2030</perMille>
     * <infinity>\u221E</infinity>
     * <nan>NaN</nan>
     * </symbols>
     * -
     * <decimalFormats>
     * -
     * <decimalFormatLength>
     * -
     * <decimalFormat>
     * <pattern>#,##0.###</pattern>
     */

    /*
     * Equator NumberEquator = new Equator() {
     *//**
     * Must both be ULocales
     */
    /*
     * public boolean equals(Object o1, Object o2) {
     * ULocale loc1 = (ULocale) o1;
     * ULocale loc2 = (ULocale) o2;
     * for (int i = 0; i < ICUServiceBuilder.LIMIT_NUMBER_INDEX; ++i) {
     * NumberFormat nf1 = icuServiceBuilder.getNumberFormat(loc1.toString(), i);
     * NumberFormat nf2 = icuServiceBuilder.getNumberFormat(loc2.toString(), i);
     * boolean result = nf1.equals(nf2);
     * if (!result) {
     * return false;
     * }
     * }
     * return true;
     * }
     * };
     */

    /**
     *
     */
    public ICUServiceBuilder getICUServiceBuilder() {
        return icuServiceBuilder;
    }
}