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/*
 * Copyright (c) 2024 Eclipse Dirigible contributors
 *
 * All rights reserved. This program and the accompanying materials are made available under the
 * terms of the Eclipse Public License v2.0 which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v20.html
 *
 * SPDX-FileCopyrightText: Eclipse Dirigible contributors SPDX-License-Identifier: EPL-2.0
 */
package org.eclipse.dirigible.components.api.mail;

import org.eclipse.dirigible.commons.config.Configuration;
import org.eclipse.dirigible.components.base.spring.BeanProvider;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import java.util.Collection;
import java.util.Optional;
import java.util.Properties;

/**
 * The Class MailFacade.
 */
public class MailFacade {

    private static final Logger LOGGER = LoggerFactory.getLogger(MailFacade.class);

    /** The Constant DIRIGIBLE_MAIL_CONFIG_PROVIDER. */
    // Dirigible mail properties
    private static final String DIRIGIBLE_MAIL_CONFIG_PROVIDER = "DIRIGIBLE_MAIL_CONFIG_PROVIDER";

    /** The Constant DEFAULT_PROVIDER_NAME. */
    // Default values
    private static final String DEFAULT_PROVIDER_NAME = "environment";

    /**
     * Get MailClient with configuration options from the chosen mail configuration provider.
     *
     * @return MailClient instance
     */
    public static MailClient getInstance() {
        Properties properties = new Properties();
        String providerName = Configuration.get(DIRIGIBLE_MAIL_CONFIG_PROVIDER, DEFAULT_PROVIDER_NAME);

        Collection providers = BeanProvider.getBeans(MailConfigurationProvider.class);
        Optional matchedProvider = providers.stream()
                                                                       .filter(p -> providerName.equals(p.getName()))
                                                                       .findFirst();
        if (matchedProvider.isPresent()) {
            MailConfigurationProvider provider = matchedProvider.get();
            LOGGER.info("Will load properties from [{}]", provider);
            properties.putAll(provider.getProperties());
        } else {
            LOGGER.info("Properties will not be loaded from any provider since provider with name [{}] was not found in [{}]", providerName,
                    providers);
        }
        return getInstance(properties);
    }

    /**
     * Get MailClient with custom configuration options.
     *
     * @param properties mail client configuration options
     * @return MailClient instance
     */
    public static MailClient getInstance(Properties properties) {
        return new MailClient(properties);
    }
}