#!/usr/bin/env bash

CURDIR=$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)
# shellcheck source=../shell_config.sh
. "$CURDIR"/../shell_config.sh

# Prepare data
unique_name=${CLICKHOUSE_TEST_UNIQUE_NAME}
user_files_tmp_dir=${USER_FILES_PATH}/${unique_name}
mkdir -p ${user_files_tmp_dir}/tmp/
echo '"id","str","int","text"' > ${user_files_tmp_dir}/tmp.csv
echo '1,"abc",123,"abacaba"' >> ${user_files_tmp_dir}/tmp.csv
echo '2,"def",456,"bacabaa"' >> ${user_files_tmp_dir}/tmp.csv
echo '3,"story",78912,"acabaab"' >> ${user_files_tmp_dir}/tmp.csv
echo '4,"history",21321321,"cabaaba"' >> ${user_files_tmp_dir}/tmp.csv

$CLICKHOUSE_LOCAL -q "insert into function file('$user_files_tmp_dir/tmp_numbers_1.csv') select * from numbers(1, 10)"
$CLICKHOUSE_LOCAL -q "insert into function file('$user_files_tmp_dir/tmp_numbers_2.csv') select * from numbers(11, 10)"
$CLICKHOUSE_LOCAL -q "insert into function file('$user_files_tmp_dir/tmp_numbers_30.csv') select * from numbers(21, 10)"

tmp_dir=$(mktemp -d ${CLICKHOUSE_TEST_UNIQUE_NAME}_XXXX)
cp ${user_files_tmp_dir}/tmp.csv ${tmp_dir}/tmp.csv
cp ${user_files_tmp_dir}/tmp.csv ${user_files_tmp_dir}/tmp/tmp.csv
cp ${user_files_tmp_dir}/tmp.csv ${user_files_tmp_dir}/tmp.myext
cp ${user_files_tmp_dir}/tmp_numbers_1.csv ${user_files_tmp_dir}/tmp/tmp_numbers_1.csv

#################
echo "Test 1: create filesystem database and check implicit calls"
DATABASE_TEST1="${CLICKHOUSE_DATABASE}_test1"
${CLICKHOUSE_CLIENT} --multiline -q """
DROP DATABASE IF EXISTS ${DATABASE_TEST1};
CREATE DATABASE ${DATABASE_TEST1} ENGINE = Filesystem;
"""
echo $?
${CLICKHOUSE_CLIENT} --query "SHOW DATABASES" | grep "${DATABASE_TEST1}"
${CLICKHOUSE_CLIENT} --query "SELECT COUNT(*) FROM ${DATABASE_TEST1}.\`${unique_name}/tmp.csv\`;"
${CLICKHOUSE_CLIENT} --query "SELECT COUNT(*) FROM ${DATABASE_TEST1}.\`${unique_name}/tmp/tmp.csv\`;"
${CLICKHOUSE_CLIENT} --query "SELECT COUNT(*) FROM ${DATABASE_TEST1}.\`${unique_name}/tmp_numbers_*.csv\`;"
${CLICKHOUSE_CLIENT} --query "SELECT COUNT(*) FROM ${DATABASE_TEST1}.\`${unique_name}/tmp/*tmp_numbers_*.csv\`;"
${CLICKHOUSE_CLIENT} --query "SELECT COUNT(*) FROM ${DATABASE_TEST1}.\`${unique_name}/*/*tmp_numbers_*.csv\`;"
${CLICKHOUSE_CLIENT} --query "SELECT count(DISTINCT _path) FROM ${DATABASE_TEST1}.\`${unique_name}/*.csv\` WHERE startsWith(_path, '${user_files_tmp_dir}')";
${CLICKHOUSE_CLIENT} --query "SELECT count(DISTINCT _path) FROM ${DATABASE_TEST1}.\`${unique_name}/*.csv\` WHERE not startsWith(_path, '${user_files_tmp_dir}')";
# **/* does not search in the current directory but searches recursively in nested directories.
${CLICKHOUSE_CLIENT} --query "SELECT count(DISTINCT _path) FROM ${DATABASE_TEST1}.\`${unique_name}/**/*.csv\` WHERE startsWith(_path, '${user_files_tmp_dir}')";
${CLICKHOUSE_CLIENT} --query "SELECT count(DISTINCT _path) FROM ${DATABASE_TEST1}.\`${unique_name}/**/*.csv\` WHERE not startsWith(_path, '${user_files_tmp_dir}')";
${CLICKHOUSE_CLIENT} --query "SELECT COUNT(*) FROM ${DATABASE_TEST1}.\`tmp_numbers_*.csv\`;" 2>&1 | tr '\n' ' ' | grep -oF "CANNOT_EXTRACT_TABLE_STRUCTURE" > /dev/null && echo "OK" || echo 'FAIL' ||:
${CLICKHOUSE_LOCAL} -q "SELECT COUNT(*) FROM \"${tmp_dir}/tmp.csv\""

#################
echo "Test 2: check DatabaseFilesystem access rights and errors handling on server"
# DATABASE_ACCESS_DENIED: Allows list files only inside user_files
${CLICKHOUSE_CLIENT} --query "SELECT COUNT(*) FROM ${DATABASE_TEST1}.\`../tmp.csv\`;" 2>&1 | tr '\n' ' ' | grep -oF "PATH_ACCESS_DENIED" > /dev/null && echo "OK" || echo 'FAIL' ||:
${CLICKHOUSE_CLIENT} --query "SELECT COUNT(*) FROM ${DATABASE_TEST1}.\`/tmp/tmp.csv\`;" 2>&1 | tr '\n' ' ' | grep -oF "PATH_ACCESS_DENIED" > /dev/null && echo "OK" || echo 'FAIL' ||:
${CLICKHOUSE_CLIENT} --query "SELECT COUNT(*) FROM ${DATABASE_TEST1}.\`../*/tmp_numbers_*.csv\`;" 2>&1 | tr '\n' ' ' | grep -oF "PATH_ACCESS_DENIED" > /dev/null && echo "OK" || echo 'FAIL' ||:
${CLICKHOUSE_CLIENT} --query "SELECT COUNT(*) FROM ${DATABASE_TEST1}.\`../tmp_numbers_*.csv\`;" 2>&1 | tr '\n' ' ' | grep -oF "PATH_ACCESS_DENIED" > /dev/null && echo "OK" || echo 'FAIL' ||:
${CLICKHOUSE_CLIENT} --query "SELECT COUNT(*) FROM ${DATABASE_TEST1}.\`../*.csv\`;" 2>&1 | tr '\n' ' ' | grep -oF "PATH_ACCESS_DENIED" > /dev/null && echo "OK" || echo 'FAIL' ||:
${CLICKHOUSE_CLIENT} --multiline --query """
USE ${DATABASE_TEST1};
SELECT COUNT(*) FROM \"../${tmp_dir}/tmp.csv\";
""" 2>&1 | tr '\n' ' ' | grep -oF "PATH_ACCESS_DENIED" > /dev/null && echo "OK" || echo 'FAIL' ||:
${CLICKHOUSE_CLIENT} --query "SELECT COUNT(*) FROM ${DATABASE_TEST1}.\`../../../../../../tmp.csv\`;" 2>&1 | tr '\n' ' ' | grep -oF "PATH_ACCESS_DENIED" > /dev/null && echo "OK" || echo 'FAIL' ||:

# BAD_ARGUMENTS: path should be inside user_files
DATABASE_TEST2="${CLICKHOUSE_DATABASE}_test2"
${CLICKHOUSE_CLIENT} --multiline -q """
DROP DATABASE IF EXISTS ${DATABASE_TEST2};
CREATE DATABASE ${DATABASE_TEST2} ENGINE = Filesystem('/tmp');
""" 2>&1 | tr '\n' ' ' | grep -oF -e "UNKNOWN_TABLE" -e "BAD_ARGUMENTS" > /dev/null && echo "OK" || echo 'FAIL' ||:

# BAD_ARGUMENTS: .../user_files/relative_unknown_dir does not exist
${CLICKHOUSE_CLIENT} --multiline -q """
DROP DATABASE IF EXISTS ${DATABASE_TEST2};
CREATE DATABASE ${DATABASE_TEST2} ENGINE = Filesystem('relative_unknown_dir');
""" 2>&1 | tr '\n' ' ' | grep -oF -e "UNKNOWN_TABLE" -e "BAD_ARGUMENTS" > /dev/null && echo "OK" || echo 'FAIL' ||:

# FILE_DOESNT_EXIST: unknown file
${CLICKHOUSE_CLIENT} --query "SELECT COUNT(*) FROM ${DATABASE_TEST1}.\`tmp2.csv\`;" 2>&1 | tr '\n' ' ' | grep -oF -e "UNKNOWN_TABLE" -e "FILE_DOESNT_EXIST" > /dev/null && echo "OK" || echo 'FAIL' ||:

# Clean
${CLICKHOUSE_CLIENT} --query "DROP DATABASE IF EXISTS ${DATABASE_TEST1};"
rm -rd $tmp_dir
rm -rd $user_files_tmp_dir