/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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.
 */
LOAD 'age';
SET search_path = ag_catalog;
SELECT * FROM create_complete_graph('gp1',5,'edges','vertices');
NOTICE:  graph "gp1" has been created
NOTICE:  VLabel "vertices" has been created
NOTICE:  ELabel "edges" has been created
 create_complete_graph 
-----------------------
 
(1 row)

SELECT COUNT(*) FROM gp1."edges";
 count 
-------
    10
(1 row)

SELECT COUNT(*) FROM gp1."vertices";
 count 
-------
     5
(1 row)

SELECT * FROM cypher('gp1', $$MATCH (a)-[e]->(b) RETURN e$$) as (n agtype);
                                                             n                                                              
----------------------------------------------------------------------------------------------------------------------------
 {"id": 1125899906842625, "label": "edges", "end_id": 844424930131970, "start_id": 844424930131969, "properties": {}}::edge
 {"id": 1125899906842629, "label": "edges", "end_id": 844424930131971, "start_id": 844424930131970, "properties": {}}::edge
 {"id": 1125899906842626, "label": "edges", "end_id": 844424930131971, "start_id": 844424930131969, "properties": {}}::edge
 {"id": 1125899906842630, "label": "edges", "end_id": 844424930131972, "start_id": 844424930131970, "properties": {}}::edge
 {"id": 1125899906842627, "label": "edges", "end_id": 844424930131972, "start_id": 844424930131969, "properties": {}}::edge
 {"id": 1125899906842632, "label": "edges", "end_id": 844424930131972, "start_id": 844424930131971, "properties": {}}::edge
 {"id": 1125899906842631, "label": "edges", "end_id": 844424930131973, "start_id": 844424930131970, "properties": {}}::edge
 {"id": 1125899906842634, "label": "edges", "end_id": 844424930131973, "start_id": 844424930131972, "properties": {}}::edge
 {"id": 1125899906842633, "label": "edges", "end_id": 844424930131973, "start_id": 844424930131971, "properties": {}}::edge
 {"id": 1125899906842628, "label": "edges", "end_id": 844424930131973, "start_id": 844424930131969, "properties": {}}::edge
(10 rows)

SELECT * FROM create_complete_graph('gp1',5,'edges','vertices');
 create_complete_graph 
-----------------------
 
(1 row)

SELECT COUNT(*) FROM gp1."edges";
 count 
-------
    20
(1 row)

SELECT COUNT(*) FROM gp1."vertices";
 count 
-------
    10
(1 row)

SELECT * FROM create_complete_graph('gp2',5,'edges');
NOTICE:  graph "gp2" has been created
NOTICE:  ELabel "edges" has been created
 create_complete_graph 
-----------------------
 
(1 row)

-- SHOULD FAIL
SELECT * FROM create_complete_graph('gp3',5, NULL);
ERROR:  edge label can not be NULL
SELECT * FROM create_complete_graph('gp4',NULL,NULL);
ERROR:  number of nodes can not be NULL
SELECT * FROM create_complete_graph(NULL,NULL,NULL);
ERROR:  graph name can not be NULL
-- Should error out because same labels are used for both vertices and edges
SELECT * FROM create_complete_graph('gp5',5,'label','label');
ERROR:  vertex and edge label can not be same
-- DROPPING GRAPHS
SELECT drop_graph('gp1', true);
NOTICE:  drop cascades to 4 other objects
DETAIL:  drop cascades to table gp1._ag_label_vertex
drop cascades to table gp1._ag_label_edge
drop cascades to table gp1.vertices
drop cascades to table gp1.edges
NOTICE:  graph "gp1" has been dropped
 drop_graph 
------------
 
(1 row)

SELECT drop_graph('gp2', true);
NOTICE:  drop cascades to 3 other objects
DETAIL:  drop cascades to table gp2._ag_label_vertex
drop cascades to table gp2._ag_label_edge
drop cascades to table gp2.edges
NOTICE:  graph "gp2" has been dropped
 drop_graph 
------------
 
(1 row)

-- Tests for barbell graph generation
SELECT * FROM age_create_barbell_graph('gp1',5,0,'vertices',NULL,'edges',NULL);
NOTICE:  graph "gp1" has been created
NOTICE:  VLabel "vertices" has been created
NOTICE:  ELabel "edges" has been created
 age_create_barbell_graph 
--------------------------
 
(1 row)

SELECT COUNT(*) FROM gp1."edges";
 count 
-------
    21
(1 row)

SELECT COUNT(*) FROM gp1."vertices";
 count 
-------
    10
(1 row)

SELECT * FROM cypher('gp1', $$MATCH (a)-[e]->(b) RETURN e$$) as (n agtype);
                                                             n                                                              
----------------------------------------------------------------------------------------------------------------------------
 {"id": 1125899906842625, "label": "edges", "end_id": 844424930131970, "start_id": 844424930131969, "properties": {}}::edge
 {"id": 1125899906842629, "label": "edges", "end_id": 844424930131971, "start_id": 844424930131970, "properties": {}}::edge
 {"id": 1125899906842626, "label": "edges", "end_id": 844424930131971, "start_id": 844424930131969, "properties": {}}::edge
 {"id": 1125899906842627, "label": "edges", "end_id": 844424930131972, "start_id": 844424930131969, "properties": {}}::edge
 {"id": 1125899906842632, "label": "edges", "end_id": 844424930131972, "start_id": 844424930131971, "properties": {}}::edge
 {"id": 1125899906842630, "label": "edges", "end_id": 844424930131972, "start_id": 844424930131970, "properties": {}}::edge
 {"id": 1125899906842634, "label": "edges", "end_id": 844424930131973, "start_id": 844424930131972, "properties": {}}::edge
 {"id": 1125899906842628, "label": "edges", "end_id": 844424930131973, "start_id": 844424930131969, "properties": {}}::edge
 {"id": 1125899906842631, "label": "edges", "end_id": 844424930131973, "start_id": 844424930131970, "properties": {}}::edge
 {"id": 1125899906842633, "label": "edges", "end_id": 844424930131973, "start_id": 844424930131971, "properties": {}}::edge
 {"id": 1125899906842635, "label": "edges", "end_id": 844424930131975, "start_id": 844424930131974, "properties": {}}::edge
 {"id": 1125899906842639, "label": "edges", "end_id": 844424930131976, "start_id": 844424930131975, "properties": {}}::edge
 {"id": 1125899906842636, "label": "edges", "end_id": 844424930131976, "start_id": 844424930131974, "properties": {}}::edge
 {"id": 1125899906842637, "label": "edges", "end_id": 844424930131977, "start_id": 844424930131974, "properties": {}}::edge
 {"id": 1125899906842642, "label": "edges", "end_id": 844424930131977, "start_id": 844424930131976, "properties": {}}::edge
 {"id": 1125899906842640, "label": "edges", "end_id": 844424930131977, "start_id": 844424930131975, "properties": {}}::edge
 {"id": 1125899906842644, "label": "edges", "end_id": 844424930131978, "start_id": 844424930131977, "properties": {}}::edge
 {"id": 1125899906842638, "label": "edges", "end_id": 844424930131978, "start_id": 844424930131974, "properties": {}}::edge
 {"id": 1125899906842641, "label": "edges", "end_id": 844424930131978, "start_id": 844424930131975, "properties": {}}::edge
 {"id": 1125899906842643, "label": "edges", "end_id": 844424930131978, "start_id": 844424930131976, "properties": {}}::edge
 {"id": 1125899906842645, "label": "edges", "end_id": 844424930131978, "start_id": 844424930131969, "properties": {}}::edge
(21 rows)

SELECT * FROM age_create_barbell_graph('gp1',5,0,'vertices',NULL,'edges',NULL);
 age_create_barbell_graph 
--------------------------
 
(1 row)

SELECT COUNT(*) FROM gp1."edges";
 count 
-------
    42
(1 row)

SELECT COUNT(*) FROM gp1."vertices";
 count 
-------
    20
(1 row)

SELECT * FROM age_create_barbell_graph('gp2',5,10,'vertices',NULL,'edges',NULL);
NOTICE:  graph "gp2" has been created
NOTICE:  VLabel "vertices" has been created
NOTICE:  ELabel "edges" has been created
 age_create_barbell_graph 
--------------------------
 
(1 row)

-- SHOULD FAIL
SELECT * FROM age_create_barbell_graph(NULL,NULL,NULL,NULL,NULL,NULL,NULL);
ERROR:  Graph name cannot be NULL
SELECT * FROM age_create_barbell_graph('gp2',NULL,0,'vertices',NULL,'edges',NULL); 
ERROR:  Graph size cannot be NULL or lower than 3
SELECT * FROM age_create_barbell_graph('gp3',5,NULL,'vertices',NULL,'edges',NULL);
ERROR:  Bridge size cannot be NULL or lower than 0
SELECT * FROM age_create_barbell_graph('gp4',NULL,0,'vertices',NULL,'edges',NULL);
ERROR:  Graph size cannot be NULL or lower than 3
SELECT * FROM age_create_barbell_graph('gp5',5,0,'vertices',NULL,NULL,NULL);
ERROR:  edge label can not be NULL
-- Should error out because same labels are used for both vertices and edges
SELECT * FROM age_create_barbell_graph('gp6',5,10,'label',NULL,'label',NULL);
ERROR:  vertex and edge label can not be same
-- DROPPING GRAPHS
SELECT drop_graph('gp1', true);
NOTICE:  drop cascades to 4 other objects
DETAIL:  drop cascades to table gp1._ag_label_vertex
drop cascades to table gp1._ag_label_edge
drop cascades to table gp1.vertices
drop cascades to table gp1.edges
NOTICE:  graph "gp1" has been dropped
 drop_graph 
------------
 
(1 row)

SELECT drop_graph('gp2', true);
NOTICE:  drop cascades to 4 other objects
DETAIL:  drop cascades to table gp2._ag_label_vertex
drop cascades to table gp2._ag_label_edge
drop cascades to table gp2.vertices
drop cascades to table gp2.edges
NOTICE:  graph "gp2" has been dropped
 drop_graph 
------------
 
(1 row)