/*
 * This file is part of the ZoneMinder Project. See AUTHORS file for Copyright information
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License as published by the
 * Free Software Foundation; either version 2 of the License, or (at your
 * option) any later version.
 *
 * This program is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
 * FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License along
 * with this program. If not, see <http://www.gnu.org/licenses/>.
 */

#include "zm_catch2.h"

#include <filesystem>
#include <fstream>
#include <sstream>
#include <string>

namespace {

std::string ReadFile(const std::filesystem::path &path) {
  std::ifstream input(path);
  REQUIRE(input.is_open());

  std::ostringstream buffer;
  buffer << input.rdbuf();
  return buffer.str();
}

}  // namespace

TEST_CASE("DefaultScale schema supports fit_to_width") {
  const auto repo_root = std::filesystem::path(ZM_SOURCE_DIR);

  SECTION("fresh schema widens monitor scale columns") {
    const auto schema = ReadFile(repo_root / "db" / "zm_create.sql.in");

    REQUIRE(schema.find("`DefaultScale` VARCHAR(16) NOT NULL default '0'") != std::string::npos);
    REQUIRE(schema.find("`DefaultScale` CHAR(6) NOT NULL default '0'") == std::string::npos);
  }

  SECTION("upgrade migration widens columns and repairs truncated values") {
    const auto migration = ReadFile(repo_root / "db" / "zm_update-1.39.10.sql");

    REQUIRE(migration.find("ALTER TABLE Monitors MODIFY DefaultScale VARCHAR(16) NOT NULL default '0';") != std::string::npos);
    REQUIRE(migration.find("ALTER TABLE MonitorPresets MODIFY DefaultScale VARCHAR(16) NOT NULL default '0';") != std::string::npos);
    REQUIRE(migration.find("UPDATE Monitors SET DefaultScale = 'fit_to_width' WHERE DefaultScale = 'fit_to';") != std::string::npos);
    REQUIRE(migration.find("UPDATE MonitorPresets SET DefaultScale = 'fit_to_width' WHERE DefaultScale = 'fit_to';") != std::string::npos);
  }
}