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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
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package com.oracle.truffle.js.nodes.interop;

import com.oracle.truffle.api.TruffleLanguage.LanguageReference;
import com.oracle.truffle.api.dsl.Cached;
import com.oracle.truffle.api.dsl.Cached.Shared;
import com.oracle.truffle.api.dsl.CachedLanguage;
import com.oracle.truffle.api.dsl.GenerateUncached;
import com.oracle.truffle.api.dsl.Specialization;
import com.oracle.truffle.api.interop.UnknownIdentifierException;
import com.oracle.truffle.api.interop.UnsupportedMessageException;
import com.oracle.truffle.api.object.DynamicObject;
import com.oracle.truffle.js.lang.JavaScriptLanguage;
import com.oracle.truffle.js.nodes.access.PropertyGetNode;
import com.oracle.truffle.js.nodes.access.ReadElementNode;
import com.oracle.truffle.js.nodes.function.JSFunctionCallNode;
import com.oracle.truffle.js.nodes.unary.IsCallableNode;
import com.oracle.truffle.js.runtime.JSArguments;
import com.oracle.truffle.js.runtime.JSRuntime;
import com.oracle.truffle.js.runtime.objects.JSObject;

@GenerateUncached
public abstract class JSInteropInvokeNode extends JSInteropCallNode {
    JSInteropInvokeNode() {
    }

    public static JSInteropInvokeNode create() {
        return JSInteropInvokeNodeGen.create();
    }

    public abstract Object execute(DynamicObject receiver, String name, Object[] arguments) throws UnknownIdentifierException, UnsupportedMessageException;

    @Specialization(guards = {"cachedName.equals(name)"}, limit = "1")
    Object doCached(DynamicObject receiver, @SuppressWarnings("unused") String name, Object[] arguments,
                    @Cached("name") String cachedName,
                    @CachedLanguage @SuppressWarnings("unused") LanguageReference<JavaScriptLanguage> languageRef,
                    @Cached("createGetProperty(cachedName, languageRef)") PropertyGetNode functionPropertyGetNode,
                    @Shared("isCallable") @Cached IsCallableNode isCallableNode,
                    @Shared("call") @Cached(value = "createCall()", uncached = "getUncachedCall()") JSFunctionCallNode callNode,
                    @Shared("importValue") @Cached ImportValueNode importValueNode) throws UnknownIdentifierException, UnsupportedMessageException {
        Object function = functionPropertyGetNode.getValueOrDefault(receiver, null);
        if (function == null) {
            throw UnknownIdentifierException.create(cachedName);
        }
        if (isCallableNode.executeBoolean(function)) {
            return callNode.executeCall(JSArguments.create(receiver, function, prepare(arguments, importValueNode)));
        } else {
            throw UnsupportedMessageException.create();
        }
    }

    @Specialization(replaces = "doCached")
    Object doUncached(DynamicObject receiver, String name, Object[] arguments,
                    @CachedLanguage @SuppressWarnings("unused") LanguageReference<JavaScriptLanguage> languageRef,
                    @Cached(value = "create(languageRef.get().getJSContext())", uncached = "getUncachedRead()") ReadElementNode readNode,
                    @Shared("isCallable") @Cached IsCallableNode isCallableNode,
                    @Shared("call") @Cached(value = "createCall()", uncached = "getUncachedCall()") JSFunctionCallNode callNode,
                    @Shared("importValue") @Cached ImportValueNode importValueNode) throws UnknownIdentifierException, UnsupportedMessageException {
        Object function;
        if (readNode == null) {
            function = JSObject.getOrDefault(receiver, name, receiver, null);
        } else {
            function = readNode.executeWithTargetAndIndexOrDefault(receiver, name, null);
        }
        if (function == null) {
            throw UnknownIdentifierException.create(name);
        }
        if (isCallableNode.executeBoolean(function)) {
            Object[] preparedArgs = prepare(arguments, importValueNode);
            if (callNode == null) {
                return JSRuntime.call(function, receiver, preparedArgs);
            } else {
                return callNode.executeCall(JSArguments.create(receiver, function, preparedArgs));
            }
        } else {
            throw UnsupportedMessageException.create();
        }
    }

    PropertyGetNode createGetProperty(String name, LanguageReference<JavaScriptLanguage> languageRef) {
        return PropertyGetNode.create(name, false, languageRef.get().getJSContext());
    }

    static ReadElementNode getUncachedRead() {
        return null;
    }
}