/*
 * Copyright 2018-2024 adorsys GmbH & Co KG
 *
 * This program is free software: you can redistribute it and/or modify it
 * under the terms of the GNU Affero General Public License as published
 * by the Free Software Foundation, either version 3 of the License, or (at
 * your option) any later version. This program is distributed in the hope that
 * it will be useful, but WITHOUT ANY WARRANTY; without even the implied
 * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
 * See the GNU Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program. If not, see https://www.gnu.org/licenses/.
 *
 * This project is also available under a separate commercial license. You can
 * contact us at sales@adorsys.com.
 */

package de.adorsys.psd2.sandbox.admin.rest.api.domain;

import com.fasterxml.jackson.annotation.JsonIgnore;
import lombok.Getter;
import org.iban4j.CountryCode;
import org.iban4j.bban.BbanStructure;
import org.iban4j.bban.BbanStructureEntry;

import java.util.Optional;

import static org.iban4j.bban.BbanEntryType.bank_code;

@Getter
public class BankCodeStructure {
    @JsonIgnore
    private final CountryCode countryCode;
    private int length;
    private BbanStructureEntry.EntryCharacterType type;

    public BankCodeStructure(CountryCode countryCode) {
        this.countryCode = countryCode;
        BbanStructure structure = Optional.ofNullable(BbanStructure.forCountry(countryCode))
                                      .orElseThrow(() -> new IllegalArgumentException("Country code not supported!"));
        this.length = structure.getEntries().stream()
                          .filter(e -> e.getEntryType().equals(bank_code))
                          .findFirst()
                          .map(BbanStructureEntry::getLength)
                          .orElse(0);
        this.type = structure.getEntries().stream()
                        .filter(e -> e.getEntryType() == bank_code)
                        .findFirst()
                        .map(BbanStructureEntry::getCharacterType).orElseThrow(() -> new IllegalArgumentException("Can't define character type"));
    }

    @JsonIgnore
    public boolean isCharacterType() {
        return BbanStructureEntry.EntryCharacterType.n == getType();
    }

    @JsonIgnore
    public boolean isNotCharacterType() {
        return !isCharacterType();
    }
}
