#!/usr/bin/perl

use strict;
use warnings;
use File::Basename;
use File::Compare;
use File::Copy;
use Test::More;
use lib 't';
use pgsm;

# Get file name and CREATE out file name and dirs WHERE requried
PGSM::setup_files_dir(basename($0));

my $PG_VERSION_STRING = `pg_config --version`;

if (index(lc($PG_VERSION_STRING), lc("percona")) == -1)
{
    plan skip_all => "pg_stat_monitor test case only for PPG server package install with extensions.";
}

# CREATE new PostgreSQL node and do initdb
my $node = PGSM->pgsm_init_pg();
my $pgdata = $node->data_dir;

# UPDATE postgresql.conf to include/load pg_stat_monitor library
open my $conf, '>>', "$pgdata/postgresql.conf";
print $conf "shared_preload_libraries = 'pg_stat_monitor, pgaudit, set_user, pg_repack'\n";
print $conf "pg_stat_monitor.pgsm_bucket_time = 360000\n";
print $conf "pg_stat_monitor.pgsm_normalized_query = 'yes'\n";
close $conf;

# Start server
my $rt_value = $node->start;
ok($rt_value == 1, "Start Server");

# Create PGSM extension
my ($cmdret, $stdout, $stderr) = $node->psql('postgres', 'CREATE EXTENSION pg_stat_monitor;', extra_params => ['-a']);
ok($cmdret == 0, "CREATE PGSM EXTENSION");
PGSM::append_to_debug_file($stdout);

($cmdret, $stdout, $stderr) = $node->psql('postgres', 'SELECT pg_stat_monitor_reset();', extra_params => ['-a', '-Pformat=aligned','-Ptuples_only=off']);
ok($cmdret == 0, "Reset PGSM EXTENSION");
PGSM::append_to_debug_file($stdout);

# Create Other extensions
($cmdret, $stdout, $stderr) = $node->psql('postgres', 'CREATE EXTENSION IF NOT EXISTS pgaudit;', extra_params => ['-a']);
ok($cmdret == 0, "CREATE pgaudit EXTENSION");
PGSM::append_to_debug_file($stdout);
($cmdret, $stdout, $stderr) = $node->psql('postgres', 'CREATE EXTENSION IF NOT EXISTS set_user;', extra_params => ['-a']);
ok($cmdret == 0, "CREATE set_user EXTENSION");
PGSM::append_to_debug_file($stdout);
($cmdret, $stdout, $stderr) = $node->psql('postgres', 'CREATE EXTENSION IF NOT EXISTS pg_repack;', extra_params => ['-a']);
ok($cmdret == 0, "CREATE pg_repack EXTENSION");
PGSM::append_to_debug_file($stdout);
($cmdret, $stdout, $stderr) = $node->psql('postgres', "SET pgaudit.log = 'none'; CREATE EXTENSION IF NOT EXISTS postgis; SET pgaudit.log = 'all';", extra_params => ['-a']);
ok($cmdret == 0, "CREATE postgis EXTENSION");
PGSM::append_to_debug_file($stdout);
($cmdret, $stdout, $stderr) = $node->psql('postgres', 'CREATE EXTENSION IF NOT EXISTS postgis_raster;', extra_params => ['-a']);
ok($cmdret == 0, "CREATE postgis_raster EXTENSION");
PGSM::append_to_debug_file($stdout);
($cmdret, $stdout, $stderr) = $node->psql('postgres', 'CREATE EXTENSION IF NOT EXISTS postgis_sfcgal;', extra_params => ['-a']);
ok($cmdret == 0, "CREATE postgis_sfcgal EXTENSION");
PGSM::append_to_debug_file($stdout);
($cmdret, $stdout, $stderr) = $node->psql('postgres', 'CREATE EXTENSION IF NOT EXISTS fuzzystrmatch;', extra_params => ['-a']);
ok($cmdret == 0, "CREATE fuzzystrmatch EXTENSION");
PGSM::append_to_debug_file($stdout);
($cmdret, $stdout, $stderr) = $node->psql('postgres', 'CREATE EXTENSION IF NOT EXISTS address_standardizer;', extra_params => ['-a']);
ok($cmdret == 0, "CREATE address_standardizer EXTENSION");
PGSM::append_to_debug_file($stdout);
($cmdret, $stdout, $stderr) = $node->psql('postgres', 'CREATE EXTENSION IF NOT EXISTS address_standardizer_data_us;', extra_params => ['-a']);
ok($cmdret == 0, "CREATE address_standardizer_data_us EXTENSION");
PGSM::append_to_debug_file($stdout);
($cmdret, $stdout, $stderr) = $node->psql('postgres', 'CREATE EXTENSION IF NOT EXISTS postgis_tiger_geocoder;', extra_params => ['-a']);
ok($cmdret == 0, "CREATE postgis_tiger_geocoder EXTENSION");
PGSM::append_to_debug_file($stdout);

# Print PGSM settings 
($cmdret, $stdout, $stderr) = $node->psql('postgres', "SELECT name, setting, unit, context, vartype, source, min_val, max_val, enumvals, boot_val, reset_val, pending_restart FROM pg_settings WHERE name='pg_stat_monitor.pgsm_query_shared_buffer';", extra_params => ['-a', '-Pformat=aligned','-Ptuples_only=off']);
ok($cmdret == 0, "Print PGSM EXTENSION Settings");
PGSM::append_to_debug_file($stdout);

# Create example database and run pgbench init
($cmdret, $stdout, $stderr) = $node->psql('postgres', 'CREATE database example;', extra_params => ['-a']);
print "cmdret $cmdret\n";
ok($cmdret == 0, "CREATE Database example");
PGSM::append_to_debug_file($stdout);

my $port = $node->port;
print "port $port \n";

my $out = system ("pgbench -i -s 20 -p $port example");
print " out: $out \n";
ok($cmdret == 0, "Perform pgbench init");

$out = system ("pgbench -c 10 -j 2 -t 5000 -p $port example");
print " out: $out \n";
ok($cmdret == 0, "Run pgbench");

($cmdret, $stdout, $stderr) = $node->psql('postgres', 'SELECT datname, substr(query,0,150) AS query, SUM(calls) AS calls FROM pg_stat_monitor GROUP BY datname, query ORDER BY datname, query, calls;', extra_params => ['-a', '-Pformat=aligned','-Ptuples_only=off']);
ok($cmdret == 0, "SELECT XXX FROM pg_stat_monitor");
PGSM::append_to_debug_file($stdout);

# DROP EXTENSION
$stdout = $node->safe_psql('postgres', 'DROP EXTENSION pg_stat_monitor;', extra_params => ['-a']);
ok($cmdret == 0, "DROP PGSM EXTENSION");
PGSM::append_to_debug_file($stdout);

# Stop the server
$node->stop;

# Done testing for this testcase file.
done_testing();