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/**
 * Copyright (c) 2017, biezhi 王爵 ([email protected])
 * 
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 

 * http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.blade.kit;

import lombok.experimental.UtilityClass;

import java.util.function.BiConsumer;
import java.util.function.Consumer;
import java.util.function.Function;
import java.util.function.Supplier;

@UtilityClass
public class ExceptionKit {

    @FunctionalInterface
    public interface ConsumerWithExceptions {
        void accept(T t) throws E;
    }

    @FunctionalInterface
    public interface BiConsumerWithExceptions {
        void accept(T t, U u) throws E;
    }

    @FunctionalInterface
    public interface FunctionWithExceptions {
        R apply(T t) throws E;
    }

    @FunctionalInterface
    public interface SupplierWithExceptions {
        T get() throws E;
    }

    @FunctionalInterface
    public interface RunnableWithExceptions {
        void run() throws E;
    }

    /**
     * .forEach(rethrowConsumer(name -> System.out.println(Class.forName(name)))); or .forEach(rethrowConsumer(ClassNameUtil::println));
     */
    public static  Consumer rethrowConsumer(ConsumerWithExceptions consumer) throws E {
        return t -> {
            try {
                consumer.accept(t);
            } catch (Exception exception) {
                throwAsUnchecked(exception);
            }
        };
    }

    public static  BiConsumer rethrowBiConsumer(BiConsumerWithExceptions biConsumer) throws E {
        return (t, u) -> {
            try {
                biConsumer.accept(t, u);
            } catch (Exception exception) {
                throwAsUnchecked(exception);
            }
        };
    }

    /**
     * .map(rethrowFunction(name -> Class.forName(name))) or .map(rethrowFunction(Class::forName))
     */
    public static  Function rethrowFunction(FunctionWithExceptions function) throws E {
        return t -> {
            try {
                return function.apply(t);
            } catch (Exception exception) {
                throwAsUnchecked(exception);
                return null;
            }
        };
    }

    /**
     * rethrowSupplier(() -> new StringJoiner(new String(new byte[]{77, 97, 114, 107}, "UTF-8"))),
     */
    public static  Supplier rethrowSupplier(SupplierWithExceptions function) throws E {
        return () -> {
            try {
                return function.get();
            } catch (Exception exception) {
                throwAsUnchecked(exception);
                return null;
            }
        };
    }

    /**
     * uncheck(() -> Class.forName("xxx"));
     */
    public static void uncheck(RunnableWithExceptions t) {
        try {
            t.run();
        } catch (Exception exception) {
            throwAsUnchecked(exception);
        }
    }

    /**
     * uncheck(() -> Class.forName("xxx"));
     */
    public static  R uncheck(SupplierWithExceptions supplier) {
        try {
            return supplier.get();
        } catch (Exception exception) {
            throwAsUnchecked(exception);
            return null;
        }
    }

    /**
     * uncheck(Class::forName, "xxx");
     */
    public static  R uncheck(FunctionWithExceptions function, T t) {
        try {
            return function.apply(t);
        } catch (Exception exception) {
            throwAsUnchecked(exception);
            return null;
        }
    }

    @SuppressWarnings("unchecked")
    private static  void throwAsUnchecked(Exception exception) throws E { throw (E) exception; }

}