/*
 * Copyright (c) 2013 Cisco Systems, Inc. and others.  All rights reserved.
 *
 * This program and the accompanying materials are made available under the
 * terms of the Eclipse Public License v1.0 which accompanies this distribution,
 * and is available at http://www.eclipse.org/legal/epl-v10.html
 */
package org.opendaylight.controller.yang.parser.builder.impl;

import java.util.ArrayList;
import java.util.Collections;
import java.util.List;

import org.opendaylight.controller.yang.common.QName;
import org.opendaylight.controller.yang.model.api.SchemaPath;
import org.opendaylight.controller.yang.model.api.Status;
import org.opendaylight.controller.yang.model.api.UnknownSchemaNode;
import org.opendaylight.controller.yang.parser.builder.api.SchemaNodeBuilder;

public final class UnknownSchemaNodeBuilder implements SchemaNodeBuilder {
    private boolean isBuilt;
    private final UnknownSchemaNodeImpl instance;
    private final int line;
    private final QName qname;
    private SchemaPath schemaPath;
    private String description;
    private String reference;
    private Status status = Status.CURRENT;
    private final List<UnknownSchemaNodeBuilder> addedUnknownNodes = new ArrayList<UnknownSchemaNodeBuilder>();
    private QName nodeType;
    private String nodeParameter;

    UnknownSchemaNodeBuilder(final QName qname, final int line) {
        this.qname = qname;
        this.line = line;
        instance = new UnknownSchemaNodeImpl(qname);
    }

    @Override
    public UnknownSchemaNode build() {
        if (!isBuilt) {
            instance.setPath(schemaPath);
            instance.setNodeType(nodeType);
            instance.setNodeParameter(nodeParameter);
            instance.setDescription(description);
            instance.setReference(reference);
            instance.setStatus(status);

            // UNKNOWN NODES
            final List<UnknownSchemaNode> unknownNodes = new ArrayList<UnknownSchemaNode>();
            for (UnknownSchemaNodeBuilder b : addedUnknownNodes) {
                unknownNodes.add(b.build());
            }
            instance.setUnknownSchemaNodes(unknownNodes);

            isBuilt = true;
        }

        return instance;
    }

    @Override
    public int getLine() {
        return line;
    }

    @Override
    public QName getQName() {
        return qname;
    }

    @Override
    public SchemaPath getPath() {
        return schemaPath;
    }

    @Override
    public void setPath(SchemaPath schemaPath) {
        this.schemaPath = schemaPath;
    }

    @Override
    public String getDescription() {
        return description;
    }

    @Override
    public void setDescription(final String description) {
        this.description = description;
    }

    @Override
    public String getReference() {
        return reference;
    }

    @Override
    public void setReference(String reference) {
        this.reference = reference;
    }

    @Override
    public Status getStatus() {
        return status;
    }

    @Override
    public void setStatus(Status status) {
        if (status != null) {
            this.status = status;
        }
    }

    @Override
    public void addUnknownSchemaNode(final UnknownSchemaNodeBuilder unknownNode) {
        addedUnknownNodes.add(unknownNode);
    }

    public QName getNodeType() {
        return nodeType;
    }

    public void setNodeType(final QName nodeType) {
        this.nodeType = nodeType;
    }

    public String getNodeParameter() {
        return nodeParameter;
    }

    public void setNodeParameter(final String nodeParameter) {
        this.nodeParameter = nodeParameter;
    }

    private final class UnknownSchemaNodeImpl implements UnknownSchemaNode {
        private final QName qname;
        private SchemaPath path;
        private String description;
        private String reference;
        private Status status = Status.CURRENT;
        private List<UnknownSchemaNode> unknownNodes = Collections.emptyList();
        private QName nodeType;
        private String nodeParameter;

        private UnknownSchemaNodeImpl(final QName qname) {
            this.qname = qname;
        }

        @Override
        public QName getQName() {
            return qname;
        }

        @Override
        public SchemaPath getPath() {
            return path;
        }

        private void setPath(final SchemaPath path) {
            this.path = path;
        }

        @Override
        public String getDescription() {
            return description;
        }

        private void setDescription(final String description) {
            this.description = description;
        }

        @Override
        public String getReference() {
            return reference;
        }

        private void setReference(final String reference) {
            this.reference = reference;
        }

        @Override
        public Status getStatus() {
            return status;
        }

        private void setStatus(final Status status) {
            if (status != null) {
                this.status = status;
            }
        }

        @Override
        public List<UnknownSchemaNode> getUnknownSchemaNodes() {
            return unknownNodes;
        }

        private void setUnknownSchemaNodes(final List<UnknownSchemaNode> unknownNodes) {
            if (unknownNodes != null) {
                this.unknownNodes = unknownNodes;
            }
        }

        @Override
        public QName getNodeType() {
            return nodeType;
        }

        private void setNodeType(final QName nodeType) {
            this.nodeType = nodeType;
        }

        @Override
        public String getNodeParameter() {
            return nodeParameter;
        }

        private void setNodeParameter(final String nodeParameter) {
            this.nodeParameter = nodeParameter;
        }
    }

}