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package com.oracle.truffle.js.builtins.intl;

import com.oracle.truffle.api.dsl.Cached;
import com.oracle.truffle.api.dsl.Specialization;
import com.oracle.truffle.api.object.DynamicObject;
import com.oracle.truffle.js.builtins.JSBuiltinsContainer;
import com.oracle.truffle.js.builtins.intl.RelativeTimeFormatPrototypeBuiltinsFactory.JSRelativeTimeFormatFormatNodeGen;
import com.oracle.truffle.js.builtins.intl.RelativeTimeFormatPrototypeBuiltinsFactory.JSRelativeTimeFormatFormatToPartsNodeGen;
import com.oracle.truffle.js.builtins.intl.RelativeTimeFormatPrototypeBuiltinsFactory.JSRelativeTimeFormatResolvedOptionsNodeGen;
import com.oracle.truffle.js.nodes.cast.JSToNumberNode;
import com.oracle.truffle.js.nodes.cast.JSToStringNode;
import com.oracle.truffle.js.nodes.function.JSBuiltin;
import com.oracle.truffle.js.nodes.function.JSBuiltinNode;
import com.oracle.truffle.js.runtime.Errors;
import com.oracle.truffle.js.runtime.JSContext;
import com.oracle.truffle.js.runtime.JSRuntime;
import com.oracle.truffle.js.runtime.builtins.BuiltinEnum;
import com.oracle.truffle.js.runtime.builtins.intl.JSRelativeTimeFormat;

public final class RelativeTimeFormatPrototypeBuiltins extends JSBuiltinsContainer.SwitchEnum<RelativeTimeFormatPrototypeBuiltins.RelativeTimeFormatPrototype> {

    public static final JSBuiltinsContainer BUILTINS = new RelativeTimeFormatPrototypeBuiltins();

    protected RelativeTimeFormatPrototypeBuiltins() {
        super(JSRelativeTimeFormat.PROTOTYPE_NAME, RelativeTimeFormatPrototype.class);
    }

    public enum RelativeTimeFormatPrototype implements BuiltinEnum<RelativeTimeFormatPrototype> {

        resolvedOptions(0),
        format(2),
        formatToParts(2);

        private final int length;

        RelativeTimeFormatPrototype(int length) {
            this.length = length;
        }

        @Override
        public int getLength() {
            return length;
        }
    }

    @Override
    protected Object createNode(JSContext context, JSBuiltin builtin, boolean construct, boolean newTarget, RelativeTimeFormatPrototype builtinEnum) {
        switch (builtinEnum) {
            case resolvedOptions:
                return JSRelativeTimeFormatResolvedOptionsNodeGen.create(context, builtin, args().withThis().createArgumentNodes(context));
            case format:
                return JSRelativeTimeFormatFormatNodeGen.create(context, builtin, args().withThis().fixedArgs(2).createArgumentNodes(context));
            case formatToParts:
                return JSRelativeTimeFormatFormatToPartsNodeGen.create(context, builtin, args().withThis().fixedArgs(2).createArgumentNodes(context));
        }
        return null;
    }

    public abstract static class JSRelativeTimeFormatResolvedOptionsNode extends JSBuiltinNode {

        public JSRelativeTimeFormatResolvedOptionsNode(JSContext context, JSBuiltin builtin) {
            super(context, builtin);
        }

        @Specialization(guards = "isJSRelativeTimeFormat(relativeTimeFormat)")
        public Object doResolvedOptions(DynamicObject relativeTimeFormat) {
            return JSRelativeTimeFormat.resolvedOptions(getContext(), relativeTimeFormat);
        }

        @Specialization(guards = "!isJSRelativeTimeFormat(bummer)")
        public void doResolvedOptions(@SuppressWarnings("unused") Object bummer) {
            throw Errors.createTypeErrorTypeXExpected(JSRelativeTimeFormat.CLASS_NAME);
        }
    }

    public abstract static class JSRelativeTimeFormatFormatNode extends JSBuiltinNode {

        public JSRelativeTimeFormatFormatNode(JSContext context, JSBuiltin builtin) {
            super(context, builtin);
        }

        @Specialization(guards = "isJSRelativeTimeFormat(relativeTimeFormat)")
        public String doFormat(DynamicObject relativeTimeFormat, Object value, Object unit,
                        @Cached("create()") JSToStringNode toStringNode,
                        @Cached("create()") JSToNumberNode toNumberNode) {
            return JSRelativeTimeFormat.format(relativeTimeFormat, JSRuntime.doubleValue(toNumberNode.executeNumber(value)), toStringNode.executeString(unit));
        }

        @Specialization(guards = "!isJSRelativeTimeFormat(bummer)")
        @SuppressWarnings("unused")
        public void throwTypeError(Object bummer, Object value, Object unit) {
            throw Errors.createTypeErrorTypeXExpected(JSRelativeTimeFormat.CLASS_NAME);
        }
    }

    public abstract static class JSRelativeTimeFormatFormatToPartsNode extends JSBuiltinNode {

        public JSRelativeTimeFormatFormatToPartsNode(JSContext context, JSBuiltin builtin) {
            super(context, builtin);
        }

        @Specialization(guards = {"isJSRelativeTimeFormat(relativeTimeFormat)"})
        public Object doFormatToParts(DynamicObject relativeTimeFormat, Object value, Object unit,
                        @Cached("create()") JSToStringNode toStringNode,
                        @Cached("create()") JSToNumberNode toNumberNode) {
            return JSRelativeTimeFormat.formatToParts(getContext(), relativeTimeFormat, JSRuntime.doubleValue(toNumberNode.executeNumber(value)), toStringNode.executeString(unit));
        }

        @Specialization(guards = "!isJSRelativeTimeFormat(bummer)")
        @SuppressWarnings("unused")
        public void throwTypeError(Object bummer, Object value, Object unit) {
            throw Errors.createTypeErrorTypeXExpected(JSRelativeTimeFormat.CLASS_NAME);
        }
    }
}