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 * The Universal Permissive License (UPL), Version 1.0
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 * (a) the Software, and
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 * (b) any piece of software and/or hardware listed in the lrgrwrks.txt file if
 * one is included with the Software each a "Larger Work" to which the Software
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 * without restriction, including without limitation the rights to copy, create
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 * Software and the Larger Work(s), and to sublicense the foregoing rights on
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 * This license is subject to the following condition:
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package com.oracle.truffle.js.nodes.intl;

import java.util.MissingResourceException;

import com.oracle.truffle.api.dsl.Specialization;
import com.oracle.truffle.api.object.DynamicObject;
import com.oracle.truffle.api.profiles.BranchProfile;
import com.oracle.truffle.js.nodes.JavaScriptBaseNode;
import com.oracle.truffle.js.runtime.Errors;
import com.oracle.truffle.js.runtime.JSContext;
import com.oracle.truffle.js.runtime.builtins.intl.JSPluralRules;
import com.oracle.truffle.js.runtime.util.IntlUtil;

/*
 * https://tc39.github.io/ecma402/#sec-initializepluralrules
 */
public abstract class InitializePluralRulesNode extends JavaScriptBaseNode {

    private final JSContext context;

    @Child JSToCanonicalizedLocaleListNode toCanonicalizedLocaleListNode;
    @Child CreateOptionsObjectNode createOptionsNode;

    @Child GetStringOptionNode getLocaleMatcherOption;

    @Child SetNumberFormatDigitOptionsNode setNumberFormatDigitOptions;

    @Child GetStringOptionNode getTypeOption;
    private final BranchProfile errorBranch = BranchProfile.create();

    protected InitializePluralRulesNode(JSContext context) {
        this.context = context;
        this.toCanonicalizedLocaleListNode = JSToCanonicalizedLocaleListNode.create(context);
        this.createOptionsNode = CreateOptionsObjectNodeGen.create(context);
        this.getLocaleMatcherOption = GetStringOptionNode.create(context, IntlUtil.LOCALE_MATCHER,
                        new String[]{IntlUtil.LOOKUP, IntlUtil.BEST_FIT}, IntlUtil.BEST_FIT);
        this.getTypeOption = GetStringOptionNode.create(context, IntlUtil.TYPE, new String[]{IntlUtil.CARDINAL, IntlUtil.ORDINAL}, IntlUtil.CARDINAL);
        this.setNumberFormatDigitOptions = SetNumberFormatDigitOptionsNode.create(context);
    }

    public abstract DynamicObject executeInit(DynamicObject collator, Object locales, Object options);

    public static InitializePluralRulesNode createInitalizePluralRulesNode(JSContext context) {
        return InitializePluralRulesNodeGen.create(context);
    }

    @Specialization
    public DynamicObject initializePluralRules(DynamicObject pluralRulesObj, Object localesArg, Object optionsArg) {

        // must be invoked before any code that tries to access ICU library data
        try {
            JSPluralRules.InternalState state = JSPluralRules.getInternalState(pluralRulesObj);

            String[] locales = toCanonicalizedLocaleListNode.executeLanguageTags(localesArg);
            DynamicObject options = createOptionsNode.execute(optionsArg);

            getLocaleMatcherOption.executeValue(options);
            String optType = getTypeOption.executeValue(options);

            state.setType(optType);

            state.resolveLocaleAndNumberingSystem(context, locales, null);
            setNumberFormatDigitOptions.execute(state, options, 0, 3, false);

            state.initializeNumberFormatter();
            state.initializePluralRules();
        } catch (MissingResourceException e) {
            errorBranch.enter();
            throw Errors.createICU4JDataError(e);
        }
        return pluralRulesObj;
    }

}