/*
 * Copyright (c) 2020, 2020, Oracle and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * The Universal Permissive License (UPL), Version 1.0
 *
 * Subject to the condition set forth below, permission is hereby granted to any
 * person obtaining a copy of this software, associated documentation and/or
 * data (collectively the "Software"), free of charge and under any and all
 * copyright rights in the Software, and any and all patent rights owned or
 * freely licensable by each licensor hereunder covering either (i) the
 * unmodified Software as contributed to or provided by such licensor, or (ii)
 * the Larger Works (as defined below), to deal in both
 *
 * (a) the Software, and
 *
 * (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
 * is contributed by such licensors),
 *
 * without restriction, including without limitation the rights to copy, create
 * derivative works of, display, perform, and distribute the Software and make,
 * use, sell, offer for sale, import, export, have made, and have sold the
 * Software and the Larger Work(s), and to sublicense the foregoing rights on
 * either these or other terms.
 *
 * This license is subject to the following condition:
 *
 * The above copyright notice and either this complete permission notice or at a
 * minimum a reference to the UPL must be included in all copies or substantial
 * portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */
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.nodes.cast.JSToObjectNode;
import com.oracle.truffle.js.runtime.Errors;
import com.oracle.truffle.js.runtime.JSContext;
import com.oracle.truffle.js.runtime.builtins.intl.JSDisplayNames;
import com.oracle.truffle.js.runtime.util.IntlUtil;

public abstract class InitializeDisplayNamesNode extends JavaScriptBaseNode {
    private final JSContext context;
    @Child JSToCanonicalizedLocaleListNode toCanonicalizedLocaleListNode;
    @Child JSToObjectNode toObjectNode;
    @Child GetStringOptionNode getLocaleMatcherOption;
    @Child GetStringOptionNode getStyleOption;
    @Child GetStringOptionNode getTypeOption;
    @Child GetStringOptionNode getFallbackOption;
    private final BranchProfile errorBranch = BranchProfile.create();

    protected InitializeDisplayNamesNode(JSContext context) {
        this.context = context;
        this.toCanonicalizedLocaleListNode = JSToCanonicalizedLocaleListNode.create(context);
        this.toObjectNode = JSToObjectNode.createToObject(context);
        this.getLocaleMatcherOption = GetStringOptionNode.create(context, IntlUtil.LOCALE_MATCHER, new String[]{IntlUtil.LOOKUP, IntlUtil.BEST_FIT}, IntlUtil.BEST_FIT);
        this.getStyleOption = GetStringOptionNode.create(context, IntlUtil.STYLE, new String[]{IntlUtil.NARROW, IntlUtil.SHORT, IntlUtil.LONG}, IntlUtil.LONG);
        this.getTypeOption = GetStringOptionNode.create(context, IntlUtil.TYPE, new String[]{IntlUtil.LANGUAGE, IntlUtil.REGION, IntlUtil.SCRIPT, IntlUtil.CURRENCY}, null);
        this.getFallbackOption = GetStringOptionNode.create(context, IntlUtil.FALLBACK, new String[]{IntlUtil.CODE, IntlUtil.NONE}, IntlUtil.CODE);
    }

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

    public static InitializeDisplayNamesNode createInitalizeDisplayNamesNode(JSContext context) {
        return InitializeDisplayNamesNodeGen.create(context);
    }

    @Specialization
    public DynamicObject initializeDisplayNames(DynamicObject displayNamesObject, Object localesArg, Object optionsArg) {
        try {
            String[] locales = toCanonicalizedLocaleListNode.executeLanguageTags(localesArg);
            Object options = toObjectNode.execute(optionsArg);

            getLocaleMatcherOption.executeValue(options);
            String optStyle = getStyleOption.executeValue(options);
            String optType = getTypeOption.executeValue(options);
            if (optType == null) {
                errorBranch.enter();
                throw Errors.createTypeError("'type' option not specified");
            }
            String optFallback = getFallbackOption.executeValue(options);
            JSDisplayNames.InternalState state = JSDisplayNames.getInternalState(displayNamesObject);
            JSDisplayNames.setupInternalState(context, state, locales, optStyle, optType, optFallback);
        } catch (MissingResourceException e) {
            errorBranch.enter();
            throw Errors.createICU4JDataError(e);
        }

        return displayNamesObject;
    }
}