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/*
 * Copyright 2017 Red Hat, Inc.
 *
 * 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 io.smallrye.config.inject;

import static io.smallrye.config.inject.SecuritySupport.getContextClassLoader;

import java.lang.reflect.Type;
import java.util.*;
import java.util.function.Supplier;

import jakarta.enterprise.context.ApplicationScoped;
import jakarta.enterprise.context.Dependent;
import jakarta.enterprise.inject.Produces;
import jakarta.enterprise.inject.spi.InjectionPoint;

import org.eclipse.microprofile.config.Config;
import org.eclipse.microprofile.config.ConfigProvider;
import org.eclipse.microprofile.config.inject.ConfigProperty;

import io.smallrye.config.ConfigValue;
import io.smallrye.config.SmallRyeConfig;

/**
 * CDI producer for {@link Config} bean.
 *
 * @author Jeff Mesnil (c) 2017 Red Hat inc.
 */
@ApplicationScoped
public class ConfigProducer {
    @Produces
    protected SmallRyeConfig getConfig() {
        return ConfigProvider.getConfig(getContextClassLoader()).unwrap(SmallRyeConfig.class);
    }

    @Dependent
    @Produces
    @ConfigProperty
    protected String produceStringConfigProperty(InjectionPoint ip) {
        return ConfigProducerUtil.getValue(ip, getConfig());
    }

    @Dependent
    @Produces
    @ConfigProperty
    protected Long getLongValue(InjectionPoint ip) {
        return ConfigProducerUtil.getValue(ip, getConfig());
    }

    @Dependent
    @Produces
    @ConfigProperty
    protected Integer getIntegerValue(InjectionPoint ip) {
        return ConfigProducerUtil.getValue(ip, getConfig());
    }

    @Dependent
    @Produces
    @ConfigProperty
    protected Float produceFloatConfigProperty(InjectionPoint ip) {
        return ConfigProducerUtil.getValue(ip, getConfig());
    }

    @Dependent
    @Produces
    @ConfigProperty
    protected Double produceDoubleConfigProperty(InjectionPoint ip) {
        return ConfigProducerUtil.getValue(ip, getConfig());
    }

    @Dependent
    @Produces
    @ConfigProperty
    protected Boolean produceBooleanConfigProperty(InjectionPoint ip) {
        return ConfigProducerUtil.getValue(ip, getConfig());
    }

    @Dependent
    @Produces
    @ConfigProperty
    protected Short produceShortConfigProperty(InjectionPoint ip) {
        return ConfigProducerUtil.getValue(ip, getConfig());
    }

    @Dependent
    @Produces
    @ConfigProperty
    protected Byte produceByteConfigProperty(InjectionPoint ip) {
        return ConfigProducerUtil.getValue(ip, getConfig());
    }

    @Dependent
    @Produces
    @ConfigProperty
    protected Character produceCharacterConfigProperty(InjectionPoint ip) {
        return ConfigProducerUtil.getValue(ip, getConfig());
    }

    @Dependent
    @Produces
    @ConfigProperty
    protected  Optional produceOptionalConfigProperty(InjectionPoint ip) {
        return ConfigProducerUtil.getValue(ip, getConfig());
    }

    @Dependent
    @Produces
    @ConfigProperty
    protected  Supplier produceSupplierConfigProperty(InjectionPoint ip) {
        return () -> ConfigProducerUtil.getValue(ip, getConfig());
    }

    @Dependent
    @Produces
    @ConfigProperty
    protected  Set producesSetConfigProperty(InjectionPoint ip) {
        return ConfigProducerUtil.getValue(ip, getConfig());
    }

    @Dependent
    @Produces
    @ConfigProperty
    protected  List producesListConfigProperty(InjectionPoint ip) {
        return ConfigProducerUtil.getValue(ip, getConfig());
    }

    @Dependent
    @Produces
    @ConfigProperty
    protected  Map producesMapConfigProperty(InjectionPoint ip) {
        return ConfigProducerUtil.getValue(ip, getConfig());
    }

    @Dependent
    @Produces
    @ConfigProperty
    protected OptionalInt produceOptionalIntConfigProperty(InjectionPoint ip) {
        return ConfigProducerUtil.getValue(ip, getConfig());
    }

    @Dependent
    @Produces
    @ConfigProperty
    protected OptionalLong produceOptionalLongConfigProperty(InjectionPoint ip) {
        return ConfigProducerUtil.getValue(ip, getConfig());
    }

    @Dependent
    @Produces
    @ConfigProperty
    protected OptionalDouble produceOptionalDoubleConfigProperty(InjectionPoint ip) {
        return ConfigProducerUtil.getValue(ip, getConfig());
    }

    @Dependent
    @Produces
    @ConfigProperty
    protected ConfigValue produceConfigValue(InjectionPoint ip) {
        return ConfigProducerUtil.getConfigValue(ip, getConfig());
    }

    public static boolean isClassHandledByConfigProducer(Type requiredType) {
        return requiredType == String.class
                || requiredType == Boolean.class
                || requiredType == Boolean.TYPE
                || requiredType == Integer.class
                || requiredType == Integer.TYPE
                || requiredType == Long.class
                || requiredType == Long.TYPE
                || requiredType == Float.class
                || requiredType == Float.TYPE
                || requiredType == Double.class
                || requiredType == Double.TYPE
                || requiredType == Short.class
                || requiredType == Short.TYPE
                || requiredType == Byte.class
                || requiredType == Byte.TYPE
                || requiredType == Character.class
                || requiredType == Character.TYPE
                || requiredType == OptionalInt.class
                || requiredType == OptionalLong.class
                || requiredType == OptionalDouble.class
                || requiredType == Supplier.class
                || requiredType == ConfigValue.class
                || requiredType == org.eclipse.microprofile.config.ConfigValue.class;
    }
}