/*
 * The MIT License
 *
 * Copyright 2020 Intuit Inc.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall 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.intuit.karate.graal;

import java.lang.reflect.Method;
import java.util.Arrays;
import java.util.List;
import java.util.function.Supplier;

/**
 *
 * @author pthomas3
 */
public class MethodInvoker implements Methods.FunVar {

    private final Class type;
    private final Object instance;
    private final String methodName;

    public MethodInvoker(Object instance, String methodName) {
        this.type = instance.getClass();
        this.instance = instance;
        this.methodName = methodName;
    }

    @Override
    public Object call(Object... args) {
        Class[] types = new Class[args.length];
        for (int i = 0; i < args.length; i++) {
            Object arg = args[i];
            types[i] = arg == null ? Object.class : arg.getClass();
        }
        try {
            Method method = type.getMethod(methodName, types);
            return method.invoke(instance, args);
        } catch (Exception e) {
            throw new RuntimeException(e);
        }
    }

}

/*
 * The MIT License
 *
 * Copyright 2020 Intuit Inc.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall 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.intuit.karate.graal;

import java.lang.reflect.Method;
import java.util.Arrays;
import java.util.List;
import java.util.function.Supplier;

/**
 *
 * @author pthomas3
 */
public class MethodInvoker implements Methods.FunVar {

    private final Class type;
    private final Object instance;
    private final String methodName;

    public MethodInvoker(Object instance, String methodName) {
        this.type = instance.getClass();
        this.instance = instance;
        this.methodName = methodName;
    }

    @Override
    public Object call(Object... args) {
        Class[] types = new Class[args.length];
        for (int i = 0; i < args.length; i++) {
            args[i] = JsValue.fromJava(args[i]);
            types[i] = args[i] == null ? Object.class : args[i].getClass();
        }
        try {
            Method method = type.getMethod(methodName, types);
            return method.invoke(instance, args);
        } catch (Exception e) {
            throw new RuntimeException(e);
        }
    }

}

make sure graal values get converted for ui method-invoker