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/*
 *
 *  Copyright 2022 the original author or authors.
 *
 *  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
 *
 *       https://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.flowstep.jdbc.model;

import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
import com.fasterxml.jackson.annotation.JsonProperty;
import org.apache.commons.lang3.StringUtils;
import org.apache.commons.lang3.builder.EqualsBuilder;
import org.apache.commons.lang3.builder.HashCodeBuilder;
import org.flowstep.core.CloneableList;
import org.flowstep.core.FilterDependencyLink;
import org.flowstep.core.model.StepFilter;
import org.flowstep.core.model.step.FlowStepData;

import java.util.List;
import java.util.stream.Collectors;
import java.util.stream.Stream;

@JsonIgnoreProperties(value = {"database", "collection"})
public class JdbcStep extends FlowStepData {
    private String sql;

    @JsonProperty("filters")
    private CloneableList filters;

    public String getSql() {
        return sql;
    }

    public void setSql(String sql) {
        this.sql = sql;
    }

    public JdbcStep() {
        super();
        filters = new CloneableList<>();
    }

    public JdbcStep(JdbcStep step) {
        super(step);
        this.sql = step.sql;
        this.filters = new CloneableList<>(step.filters);
    }

    public CloneableList getFilters() {
        return filters;
    }

    public JdbcStep setFilters(CloneableList filters) {
        this.filters = filters;
        return this;
    }

    @Override
    public List getStepDependencies() {
        return getFilters().stream().map(filter -> new FilterDependencyLink(filter.getStep()).getStepName())
                .filter(StringUtils::isNotBlank)
                .collect(Collectors.toList());
    }

    public Stream getAllFilters() {
        return filters.stream();
    }

    @Override
    public boolean equals(Object o) {
        if (this == o) return true;

        if (o == null || getClass() != o.getClass()) return false;

        JdbcStep jdbcStep = (JdbcStep) o;

        return new EqualsBuilder().appendSuper(super.equals(o)).append(sql, jdbcStep.sql).append(filters, jdbcStep.filters).isEquals();
    }

    @Override
    public int hashCode() {
        return new HashCodeBuilder(17, 37).appendSuper(super.hashCode()).append(sql).append(filters).toHashCode();
    }
}