/*
 * Copyright (c) 2017, 2019, Oracle and/or its affiliates.
 *
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without modification, are
 * permitted provided that the following conditions are met:
 *
 * 1. Redistributions of source code must retain the above copyright notice, this list of
 * conditions and the following disclaimer.
 *
 * 2. Redistributions in binary form must reproduce the above copyright notice, this list of
 * conditions and the following disclaimer in the documentation and/or other materials provided
 * with the distribution.
 *
 * 3. Neither the name of the copyright holder nor the names of its contributors may be used to
 * endorse or promote products derived from this software without specific prior written
 * permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS
 * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
 * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
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 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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 */
package com.oracle.truffle.llvm.tests.interop.values;

import com.oracle.truffle.api.CompilerDirectives.TruffleBoundary;
import com.oracle.truffle.api.interop.InteropLibrary;
import com.oracle.truffle.api.interop.TruffleObject;
import com.oracle.truffle.api.interop.UnknownIdentifierException;
import com.oracle.truffle.api.library.ExportLibrary;
import com.oracle.truffle.api.library.ExportMessage;
import java.util.Map;

@ExportLibrary(InteropLibrary.class)
@SuppressWarnings("static-method")
public final class StructObject implements TruffleObject {

    final Map<String, Object> properties;

    public StructObject(Map<String, Object> properties) {
        this.properties = properties;
    }

    public Object get(String name) {
        return properties.get(name);
    }

    @ExportMessage
    boolean hasMembers() {
        return true;
    }

    @ExportMessage(name = "isMemberReadable")
    @ExportMessage(name = "isMemberModifiable")
    @ExportMessage(name = "isMemberRemovable")
    @TruffleBoundary
    boolean hasMember(String name) {
        return properties.containsKey(name);
    }

    @ExportMessage
    boolean isMemberInsertable(String name) {
        return !hasMember(name);
    }

    @ExportMessage
    @TruffleBoundary
    Object readMember(String name) throws UnknownIdentifierException {
        Object value = properties.get(name);
        if (value == null) {
            throw UnknownIdentifierException.create(name);
        }
        return value;
    }

    @ExportMessage
    @TruffleBoundary
    void writeMember(String name, Object value) {
        properties.put(name, value);
    }

    @ExportMessage
    @TruffleBoundary
    void removeMember(String name) {
        properties.remove(name);
    }

    @ExportMessage
    @TruffleBoundary
    Object getMembers(@SuppressWarnings("unused") boolean includeInternal) {
        return new ArrayObject(properties.keySet().toArray());
    }
}