use strict;
use warnings;

use PostgresNode;
use TestLib;
use Test::More tests => 44;

program_help_ok('reindexdb');
program_version_ok('reindexdb');
program_options_handling_ok('reindexdb');

my $node = get_new_node('main');
$node->init;
$node->start;

$ENV{PGOPTIONS} = '--client-min-messages=WARNING';

$node->issues_sql_like(
	[ 'reindexdb', 'postgres' ],
	qr/statement: REINDEX DATABASE postgres;/,
	'SQL REINDEX run');

$node->safe_psql('postgres',
	'CREATE TABLE test1 (a int); CREATE INDEX test1x ON test1 (a);');
$node->issues_sql_like(
	[ 'reindexdb', '-t', 'test1', 'postgres' ],
	qr/statement: REINDEX TABLE public\.test1;/,
	'reindex specific table');
$node->issues_sql_like(
	[ 'reindexdb', '-i', 'test1x', 'postgres' ],
	qr/statement: REINDEX INDEX public\.test1x;/,
	'reindex specific index');
$node->issues_sql_like(
	[ 'reindexdb', '-S', 'pg_catalog', 'postgres' ],
	qr/statement: REINDEX SCHEMA pg_catalog;/,
	'reindex specific schema');
$node->issues_sql_like(
	[ 'reindexdb', '-s', 'postgres' ],
	qr/statement: REINDEX SYSTEM postgres;/,
	'reindex system tables');
$node->issues_sql_like(
	[ 'reindexdb', '-v', '-t', 'test1', 'postgres' ],
	qr/statement: REINDEX \(VERBOSE\) TABLE public\.test1;/,
	'reindex with verbose output');

# the same with --concurrently
$node->issues_sql_like(
	[ 'reindexdb', '--concurrently', 'postgres' ],
	qr/statement: REINDEX DATABASE CONCURRENTLY postgres;/,
	'SQL REINDEX CONCURRENTLY run');

$node->issues_sql_like(
	[ 'reindexdb', '--concurrently', '-t', 'test1', 'postgres' ],
	qr/statement: REINDEX TABLE CONCURRENTLY public\.test1;/,
	'reindex specific table concurrently');
$node->issues_sql_like(
	[ 'reindexdb', '--concurrently', '-i', 'test1x', 'postgres' ],
	qr/statement: REINDEX INDEX CONCURRENTLY public\.test1x;/,
	'reindex specific index concurrently');
$node->issues_sql_like(
	[ 'reindexdb', '--concurrently', '-S', 'public', 'postgres' ],
	qr/statement: REINDEX SCHEMA CONCURRENTLY public;/,
	'reindex specific schema concurrently');
$node->command_fails([ 'reindexdb', '--concurrently', '-s', 'postgres' ],
	'reindex system tables concurrently');
$node->issues_sql_like(
	[ 'reindexdb', '-v', '-t', 'test1', 'postgres' ],
	qr/statement: REINDEX \(VERBOSE\) TABLE public\.test1;/,
	'reindex with verbose output');

# connection strings
$node->command_ok([qw(reindexdb --echo --table=pg_am dbname=template1)],
	'reindexdb table with connection string');
$node->command_ok(
	[qw(reindexdb --echo dbname=template1)],
	'reindexdb database with connection string');
$node->command_ok(
	[qw(reindexdb --echo --system dbname=template1)],
	'reindexdb system with connection string');

# parallel processing
$node->safe_psql(
	'postgres', q|
	CREATE SCHEMA s1;
	CREATE TABLE s1.t1(id integer);
	CREATE INDEX ON s1.t1(id);
	CREATE SCHEMA s2;
	CREATE TABLE s2.t2(id integer);
	CREATE INDEX ON s2.t2(id);
	-- empty schema
	CREATE SCHEMA s3;
|);

$node->command_fails(
	[ 'reindexdb', '-j', '2', '-s', 'postgres' ],
	'parallel reindexdb cannot process system catalogs');
$node->command_fails(
	[ 'reindexdb', '-j', '2', '-i', 'i1', 'postgres' ],
	'parallel reindexdb cannot process indexes');
$node->issues_sql_like(
	[ 'reindexdb', '-j', '2', 'postgres' ],
	qr/statement:\ REINDEX SYSTEM postgres;
.*statement:\ REINDEX TABLE public\.test1/s,
	'parallel reindexdb for database issues REINDEX SYSTEM first');
# Note that the ordering of the commands is not stable, so the second
# command for s2.t2 is not checked after.
$node->issues_sql_like(
	[ 'reindexdb', '-j', '2', '-S', 's1', '-S', 's2', 'postgres' ],
	qr/statement:\ REINDEX TABLE s1.t1;/,
	'parallel reindexdb for schemas does a per-table REINDEX');
$node->command_ok(
	['reindexdb', '-j', '2', '-S', 's3'],
	'parallel reindexdb with empty schema');
$node->command_checks_all(
	[ 'reindexdb', '-j', '2', '--concurrently', '-d', 'postgres' ],
	0,
	[qr/^$/],
	[
		qr/^reindexdb: warning: cannot reindex system catalogs concurrently, skipping all/s
	],
	'parallel reindexdb for system with --concurrently skips catalogs');
