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/**
 * Copyright © 2019 admin ([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 org.infrastructurebuilder.data;

import static java.time.format.DateTimeFormatter.ofPattern;
import static java.util.Optional.ofNullable;
import static org.infrastructurebuilder.data.IBDataConstants.DATE_FORMATTER;
import static org.infrastructurebuilder.data.IBDataConstants.TIMESTAMP_FORMATTER;
import static org.infrastructurebuilder.data.IBDataConstants.TIME_FORMATTER;

import java.time.format.DateTimeFormatter;
import java.util.Objects;

import org.infrastructurebuilder.util.config.ConfigMap;

public class Formatters {
  public final static String DEFAULT_TIME_FORMATTER = "HH:mm";
  public final static String DEFAULT_DATE_FORMATTER = "MM-dd-yy";
  public final static DateTimeFormatter DEFAULT_TIMESTAMP_FORMATTER = DateTimeFormatter.ISO_LOCAL_DATE_TIME;

  private String df = DEFAULT_DATE_FORMATTER;
  private String tf = DEFAULT_TIME_FORMATTER;
  private DateTimeFormatter ts = DEFAULT_TIMESTAMP_FORMATTER;

  public Formatters() {
  }

  public Formatters(ConfigMap config) {
    df = Objects.requireNonNull(config).getOrDefault(DATE_FORMATTER, DEFAULT_DATE_FORMATTER);
    tf = config.getOrDefault(TIME_FORMATTER, DEFAULT_TIME_FORMATTER);
    ts = ofNullable(config.getOrDefault(TIMESTAMP_FORMATTER, null)).map(Object::toString)
        .map(DateTimeFormatter::ofPattern).orElse(DEFAULT_TIMESTAMP_FORMATTER);

  }

  public DateTimeFormatter getDateFormatter() {
    return ofPattern(df);
  }

  public DateTimeFormatter getTimeFormatter() {
    return ofPattern(tf);
  }

  public DateTimeFormatter getTimestampFormatter() {
    return ts;
  }

  public boolean isBlankFieldNullInUnion() {
    return true;
  }

}