/*
 * Copyright (c) 2021 PANTHEON.tech s.r.o. 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.yangtools.yang.data.tree.impl;

import org.opendaylight.yangtools.yang.common.QName;
import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.NodeIdentifier;
import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.NodeIdentifierWithPredicates;
import org.opendaylight.yangtools.yang.data.api.schema.AnydataNode;
import org.opendaylight.yangtools.yang.data.api.schema.ChoiceNode;
import org.opendaylight.yangtools.yang.data.api.schema.ContainerNode;
import org.opendaylight.yangtools.yang.data.api.schema.LeafNode;
import org.opendaylight.yangtools.yang.data.api.schema.LeafSetNode;
import org.opendaylight.yangtools.yang.data.api.schema.MapEntryNode;
import org.opendaylight.yangtools.yang.data.api.schema.MapNode;
import org.opendaylight.yangtools.yang.data.api.schema.UnkeyedListEntryNode;
import org.opendaylight.yangtools.yang.data.api.schema.UnkeyedListNode;
import org.opendaylight.yangtools.yang.data.api.schema.UserLeafSetNode;
import org.opendaylight.yangtools.yang.data.api.schema.UserMapNode;
import org.opendaylight.yangtools.yang.data.spi.node.ImmutableNodes;

abstract class AbstractPrettyTreeTest {
    protected static final QName ROOT_QNAME = QName.create(
            "urn:opendaylight:controller:sal:dom:store:test", "2014-03-13", "root");
    protected static final QName ANOTHER_QNAME = QName.create(
            "urn:opendaylight:controller:sal:dom:store:another", "another");

    protected static final QName LIST_A_QNAME = QName.create(ROOT_QNAME, "list-a");
    protected static final QName LEAF_A_QNAME = QName.create(ROOT_QNAME, "leaf-a");
    protected static final QName LIST_B_QNAME = QName.create(ROOT_QNAME, "list-b");
    protected static final QName LEAF_B_QNAME = QName.create(ROOT_QNAME, "leaf-b");

    protected static final QName CHOICE_QNAME = QName.create(ROOT_QNAME, "choice");
    protected static final QName AUGMENT_QNAME = QName.create(ROOT_QNAME, "augment");

    protected static final QName LIST_ANOTHER_NAMESPACE_QNAME = QName.create(ANOTHER_QNAME,
            "list-from-another-namespace");
    protected static final QName LEAF_ANOTHER_NAMESPACE_QNAME = QName.create(ANOTHER_QNAME,
            "leaf-from-another-namespace");

    protected static final QName LEAF_QNAME = QName.create(ROOT_QNAME, "leaf");
    protected static final QName LEAF_SET_QNAME = QName.create(ROOT_QNAME, "leaf-set");

    protected static final QName USER_LEAF_SET_QNAME = QName.create(ROOT_QNAME, "user-leaf-set");
    protected static final QName USER_MAP_QNAME = QName.create(ROOT_QNAME, "user-map");
    protected static final QName USER_MAP_ENTRY_QNAME = QName.create(ROOT_QNAME, "user-map-entry");

    protected static final QName UNKEYED_LIST_QNAME = QName.create(ROOT_QNAME, "unkeyed-list");
    protected static final QName UNKEYED_LIST_ENTRY_QNAME = QName.create(ROOT_QNAME, "unkeyed-list-entry");
    protected static final QName UNKEYED_LIST_LEAF_QNAME = QName.create(ROOT_QNAME, "unkeyed-list-leaf");

    protected static final QName ANY_DATA_QNAME = QName.create(ROOT_QNAME, "any-data");

    /**
     * Return a test node.
     *
     * <pre>
     * root
     *     list-a
     *          leaf-a "foo"
     *     list-a
     *          leaf-a "bar"
     *          list-b
     *                  leaf-b "one"
     *          list-b
     *                  leaf-b "two"
     *     choice
     *          augment
     *                  augmented-leaf "Augmented leaf value"
     *     another
     *          list-from-another-namespace
     *               leaf-from-another-namespace "Leaf from another namespace value"
     *     leaf "Leaf value"
     *     leaf-set "Leaf set value"
     *     user-leaf-set "User leaf set value"
     *     user-map
     *          user-map-entry "User map entry value"
     *     unkeyed-list
     *          unkeyed-list-entry
     *               unkeyed-list-leaf "Unkeyed list leaf value"
     *     any-data "Any data value"
     *
     * </pre>
     *
     * @return A test node
     */
    protected static ContainerNode createContainerNode() {
        return ImmutableNodes.newContainerBuilder()
            .withNodeIdentifier(new NodeIdentifier(ROOT_QNAME))
            .withChild(createMapNode())
            .withChild(createChoiceNode())
            .withChild(createContainerFromAnotherNamespace())
            .withChild(createLeafNode())
            .withChild(createLeafSetNode())
            .withChild(createUserLeafSetNode())
            .withChild(createUserMapNode())
            .withChild(createUnkeyedListNode())
            .withChild(createAnyDataNode())
            .build();
    }

    protected static MapNode createMapNode() {
        return ImmutableNodes.newSystemMapBuilder()
            .withNodeIdentifier(new NodeIdentifier(LIST_A_QNAME))
            .withChild(createMapEntry(LIST_A_QNAME, LEAF_A_QNAME, "foo"))
            .withChild(createMapEntryNode())
            .build();
    }

    private static MapEntryNode createMapEntry(final QName list, final QName key, final String value) {
        return ImmutableNodes.newMapEntryBuilder()
            .withNodeIdentifier(NodeIdentifierWithPredicates.of(list, key, value))
            .withChild(ImmutableNodes.leafNode(key, value))
            .build();
    }

    protected static MapEntryNode createMapEntryNode() {
        return ImmutableNodes.newMapEntryBuilder()
            .withNodeIdentifier(NodeIdentifierWithPredicates.of(LIST_A_QNAME, LEAF_A_QNAME, "bar"))
            .withChild(ImmutableNodes.leafNode(LEAF_A_QNAME, "bar"))
            .withChild(ImmutableNodes.newSystemMapBuilder()
                .withNodeIdentifier(new NodeIdentifier(LIST_B_QNAME))
                .withChild(createMapEntry(LIST_B_QNAME, LEAF_B_QNAME, "one"))
                .withChild(createMapEntry(LIST_B_QNAME, LEAF_B_QNAME, "two"))
                .build())
            .build();
    }

    protected static ChoiceNode createChoiceNode() {
        return ImmutableNodes.newChoiceBuilder()
                .withNodeIdentifier(NodeIdentifier.create(CHOICE_QNAME))
                .withChild(createAugmentedLeafNode())
                .build();
    }

    protected static LeafNode<String> createAugmentedLeafNode() {
        return ImmutableNodes.leafNode(AUGMENT_QNAME, "Augmented leaf value");
    }

    protected static ContainerNode createContainerFromAnotherNamespace() {
        return ImmutableNodes.newContainerBuilder()
            .withNodeIdentifier(new NodeIdentifier(ANOTHER_QNAME))
            .withChild(ImmutableNodes.newSystemMapBuilder()
                .withNodeIdentifier(new NodeIdentifier(LIST_ANOTHER_NAMESPACE_QNAME))
                .withChild(createMapEntry(LIST_ANOTHER_NAMESPACE_QNAME, LEAF_ANOTHER_NAMESPACE_QNAME,
                    "Leaf from another namespace value"))
                .build())
            .build();
    }

    protected static LeafNode<String> createLeafNode() {
        return ImmutableNodes.leafNode(LEAF_QNAME, "Leaf value");
    }

    protected static LeafSetNode<String> createLeafSetNode() {
        final var value = "Leaf set value";
        return ImmutableNodes.<String>newSystemLeafSetBuilder()
            .withNodeIdentifier(NodeIdentifier.create(LEAF_SET_QNAME))
            .withChild(ImmutableNodes.leafSetEntry(LEAF_SET_QNAME, value))
            .build();
    }

    protected static UserLeafSetNode<String> createUserLeafSetNode() {
        final var value = "User leaf set value";
        return ImmutableNodes.<String>newUserLeafSetBuilder()
            .withNodeIdentifier(NodeIdentifier.create(USER_LEAF_SET_QNAME))
            .withChild(ImmutableNodes.leafSetEntry(USER_LEAF_SET_QNAME, value))
            .build();
    }

    protected static UserMapNode createUserMapNode() {
        return ImmutableNodes.newUserMapBuilder()
            .withNodeIdentifier(NodeIdentifier.create(USER_MAP_QNAME))
            .withChild(createUserMapEntryNode())
            .build();
    }

    protected static MapEntryNode createUserMapEntryNode() {
        return createMapEntry(USER_MAP_QNAME, USER_MAP_ENTRY_QNAME, "User map entry value");
    }

    protected static UnkeyedListNode createUnkeyedListNode() {
        return ImmutableNodes.newUnkeyedListBuilder()
            .withNodeIdentifier(NodeIdentifier.create(UNKEYED_LIST_QNAME))
            .withChild(createUnkeyedListEntryNode())
            .build();
    }

    protected static UnkeyedListEntryNode createUnkeyedListEntryNode() {
        return ImmutableNodes.newUnkeyedListEntryBuilder()
            .withNodeIdentifier(NodeIdentifier.create(UNKEYED_LIST_ENTRY_QNAME))
            .withChild(ImmutableNodes.leafNode(UNKEYED_LIST_LEAF_QNAME, "Unkeyed list leaf value"))
            .build();
    }

    protected static AnydataNode<String> createAnyDataNode() {
        return ImmutableNodes.newAnydataBuilder(String.class)
            .withNodeIdentifier(NodeIdentifier.create(ANY_DATA_QNAME))
            .withValue("Any data value")
            .build();
    }
}