package org.unicode.cldr.unittest;

import java.util.ArrayList;
import java.util.HashSet;
import java.util.List;
import java.util.Set;

import org.unicode.cldr.util.CLDRConfig;
import org.unicode.cldr.util.CLDRFile;
import org.unicode.cldr.util.Factory;
import org.unicode.cldr.util.LanguageTagCanonicalizer;
import org.unicode.cldr.util.LanguageTagParser;

import com.ibm.icu.dev.test.TestFmwk;

public class TestIdentity extends TestFmwk {
    static CLDRConfig testInfo = CLDRConfig.getInstance();

    public static void main(String[] args) {
        new TestIdentity().run(args);
    }

    public void TestIdentityVsFilename() {

        LanguageTagParser ltp = new LanguageTagParser();
        LanguageTagCanonicalizer ltc = new LanguageTagCanonicalizer();

        List<Factory> factories = new ArrayList<Factory>();
        factories.add(testInfo.getFullCldrFactory());
        if (getInclusion() > 5) { // Only do these in exhaustive move
            factories.add(testInfo.getExemplarsFactory());
            factories.add(testInfo.getCollationFactory());
            factories.add(testInfo.getRBNFFactory());
            factories.add(testInfo.getAnnotationsFactory());
        }
        for (Factory factory : factories) {
            for (String locale : factory.getAvailable()) {
                String canonicalLocaleID = ltc.transform(locale);
                ltp.set(locale);
                String fLanguage = ltp.getLanguage();
                String fScript = ltp.getScript().length() > 0 ? ltp.getScript()
                    : "<missing>";
                String fTerritory = ltp.getRegion().length() > 0 ? ltp
                    .getRegion() : "<missing>";
                    Set<String> fVariants = new HashSet<String>(ltp.getVariants());
                    CLDRFile localeData;
                    if (factory.equals(testInfo.getFullCldrFactory())) {
                        localeData = testInfo.getCLDRFile(locale, false);
                    } else {
                        localeData = factory.make(locale, false);
                    }
                    String identity = localeData.getLocaleIDFromIdentity();
                    ltp.set(identity);
                    String iLanguage = ltp.getLanguage();
                    if (!fLanguage.equals(iLanguage)) {
                        errln("Language code for locale \""
                            + locale
                            + "\" does not match the identity section."
                            + "\n\tLocated in : "
                            + factory.getSourceDirectoryForLocale(locale)
                            .getPath() + "\n\tValue in file name is: "
                            + fLanguage + "\n\tValue in identity section is: "
                            + iLanguage);
                    }
                    String iScript = ltp.getScript().length() > 0 ? ltp.getScript()
                        : "<missing>";
                    if (!fScript.equals(iScript)) {
                        errln("Script code for locale \""
                            + locale
                            + "\" does not match the identity section."
                            + "\n\tLocated in : "
                            + factory.getSourceDirectoryForLocale(locale)
                            .getPath() + "\n\tValue in file name is: "
                            + fScript + "\n\tValue in identity section is: "
                            + iScript);
                    }
                    String iTerritory = ltp.getRegion().length() > 0 ? ltp
                        .getRegion() : "<missing>";
                        if (!fTerritory.equals(iTerritory)) {
                            errln("Territory code for locale \""
                                + locale
                                + "\" does not match the identity section."
                                + "\n\tLocated in : "
                                + factory.getSourceDirectoryForLocale(locale)
                                .getPath() + "\n\tValue in file name is: "
                                + fTerritory + "\n\tValue in identity section is: "
                                + iTerritory);
                        }
                        Set<String> iVariants = new HashSet<String>(ltp.getVariants());
                        if (!fVariants.equals(iVariants)) {
                            errln("Variants for locale \""
                                + locale
                                + "\" do not match the identity section."
                                + "\n\tLocated in : "
                                + factory.getSourceDirectoryForLocale(locale)
                                .getPath() + "\n\tValue in file name is: "
                                + fVariants.toString()
                                + "\n\tValue in identity section is: "
                                + iVariants.toString());
                        }
                        if (canonicalLocaleID != null) {
                            ltp.set(canonicalLocaleID);
                            String canonicalLanguage = ltp.getLanguage();
                            if (!fLanguage.equals(canonicalLanguage)) {
                                errln("Locale \""
                                    + locale
                                    + "\" uses a non-canonical language tag: "
                                    + fLanguage
                                    + "\n\tLocated in : "
                                    + factory.getSourceDirectoryForLocale(locale)
                                    .getPath()
                                    + "\n\tCanonical form would be : "
                                    + canonicalLanguage);
                            }
                        }
            }
        }
    }
}
