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 * (a) the Software, and
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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.JSCollator;
import com.oracle.truffle.js.runtime.util.IntlUtil;

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

    private final JSContext context;

    @Child JSToCanonicalizedLocaleListNode toCanonicalizedLocaleListNode;
    @Child CreateOptionsObjectNode createOptionsNode;

    @Child GetStringOptionNode getUsageOption;
    @Child GetStringOptionNode getLocaleMatcherOption;
    @Child GetBooleanOptionNode getNumericOption;
    @Child GetStringOptionNode getCaseFirstOption;
    @Child GetStringOptionNode getSensitivityOption;
    @Child GetBooleanOptionNode getIgnorePunctuationOption;
    private final BranchProfile errorBranch = BranchProfile.create();

    protected InitializeCollatorNode(JSContext context) {
        this.context = context;
        this.toCanonicalizedLocaleListNode = JSToCanonicalizedLocaleListNode.create(context);
        this.createOptionsNode = CreateOptionsObjectNodeGen.create(context);
        this.getUsageOption = GetStringOptionNode.create(context, IntlUtil.USAGE, new String[]{IntlUtil.SORT, IntlUtil.SEARCH}, IntlUtil.SORT);
        this.getLocaleMatcherOption = GetStringOptionNode.create(context, IntlUtil.LOCALE_MATCHER, new String[]{IntlUtil.LOOKUP, IntlUtil.BEST_FIT}, IntlUtil.BEST_FIT);
        this.getNumericOption = GetBooleanOptionNode.create(context, IntlUtil.NUMERIC, null);
        this.getCaseFirstOption = GetStringOptionNode.create(context, IntlUtil.CASE_FIRST, new String[]{IntlUtil.UPPER, IntlUtil.LOWER, IntlUtil.FALSE}, null);
        this.getSensitivityOption = GetStringOptionNode.create(context, IntlUtil.SENSITIVITY, new String[]{IntlUtil.BASE, IntlUtil.ACCENT, IntlUtil.CASE, IntlUtil.VARIANT}, null);
        this.getIgnorePunctuationOption = GetBooleanOptionNode.create(context, IntlUtil.IGNORE_PUNCTUATION, false);
    }

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

    public static InitializeCollatorNode createInitalizeCollatorNode(JSContext context) {
        return InitializeCollatorNodeGen.create(context);
    }

    @Specialization
    public DynamicObject initializeCollator(DynamicObject collatorObj, Object localesArg, Object optionsArg) {

        // must be invoked before any code that tries to access ICU library data
        try {
            JSCollator.InternalState state = JSCollator.getInternalState(collatorObj);
            String[] locales = toCanonicalizedLocaleListNode.executeLanguageTags(localesArg);
            DynamicObject options = createOptionsNode.execute(optionsArg);
            String usage = getUsageOption.executeValue(options);
            String optLocaleMatcher = getLocaleMatcherOption.executeValue(options);
            Boolean optkn = getNumericOption.executeValue(options);
            String optkf = getCaseFirstOption.executeValue(options);
            String sensitivity = getSensitivityOption.executeValue(options);
            Boolean ignorePunctuation = getIgnorePunctuationOption.executeValue(options);

            JSCollator.initializeCollator(context, state, locales, usage, optLocaleMatcher, optkn, optkf, sensitivity, ignorePunctuation);

        } catch (MissingResourceException e) {
            errorBranch.enter();
            throw Errors.createICU4JDataError(e);
        }

        return collatorObj;
    }
}