/*
 * Copyright 2017 Red Hat, Inc. and/or its affiliates.
 *
 * 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.jbpm.designer.client.shared;

import org.jboss.errai.databinding.client.api.Bindable;
import org.jbpm.designer.client.shared.Variable.VariableType;

import static java.lang.Math.toIntExact;

/**
 * Class which is bound to rows in the DataIOEditor
 */
@Bindable
public class AssignmentRow {

    private long id;
    private String name;
    private VariableType variableType;
    private String dataType;
    private String customDataType;
    private String processVar;
    private String constant;



    // Field which is incremented for each row.
    // Required to implement equals function which needs a unique field
    private static long lastId = 0;

    public AssignmentRow() {
        this.id = lastId++;
    }

    public AssignmentRow(String name,
                         VariableType variableType,
                         String dataType,
                         String customDataType,
                         String processVar,
                         String constant) {
        this.id = lastId++;
        this.name = name;
        this.variableType = variableType;
        this.dataType = dataType;
        this.customDataType = customDataType;
        this.processVar = processVar;
        this.constant = constant;
    }

    public long getId() {
        return id;
    }

    public void setId(long id) {
        this.id = id;
    }

    public String getName() {
        return name;
    }

    public void setName(String name) {
        this.name = name;
    }

    public VariableType getVariableType() {
        return variableType;
    }

    public void setVariableType(VariableType variableType) {
        this.variableType = variableType;
    }

    public String getDataType() {
        return dataType;
    }

    public void setDataType(String dataType) {
        this.dataType = dataType;
    }

    public String getCustomDataType() {
        return customDataType;
    }

    public void setCustomDataType(String customDataType) {
        this.customDataType = customDataType;
    }

    public String getProcessVar() {
        return processVar;
    }

    public void setProcessVar(String processVar) {
        this.processVar = processVar;
    }

    public String getConstant() {
        return constant;
    }

    public void setConstant(String constant) {
        this.constant = constant;
    }

    public boolean isComplete() {
        if (name == null || name.isEmpty()) {
            return false;
        } else if ((dataType == null || dataType.isEmpty())
                && (customDataType == null || customDataType.isEmpty())) {
            return false;
        } else if ((processVar == null || processVar.isEmpty())
                && (constant == null || constant.isEmpty())) {
            return false;
        } else {
            return true;
        }
    }

    @Override
    public boolean equals(Object obj) {
        if (this == obj) {
            return true;
        }
        if (obj == null) {
            return false;
        }
        if (getClass() != obj.getClass()) {
            return false;
        }
        AssignmentRow other = (AssignmentRow) obj;
        return (id == other.id);
    }

    @Override
    public int hashCode() {
        final int prime = 31;
        int result = 17;
        return prime * result + toIntExact(id);
    }

    @Override
    public String toString() {
        return "Assignment [name=" + name + ", variableType=" + variableType.toString() + ", dataType=" + dataType + ", customDataType=" + customDataType + ", processVar=" + processVar + ", constant=" + constant + "]";
    }
}