#include <eqpalg/utility/instance_lock.h>
#include <filesystem>
#include <mix_cc/type/mix_time.h>
#include <fstream>
#include <eqpalg/define/stat.h>

#define STAT_DATA_PATH "/users/dsc/stat_data"

namespace utility {

std::string get_lock_path(std::string ruleId) {
  return std::string(STAT_DATA_PATH) + "/" + ruleId;
}

bool lock_file(std::string ruleId) {
  auto lck_path = get_lock_path(ruleId) + ".lck";
  if (is_file_locked(ruleId)) {
    return false;
  } else {
    std::ofstream ofs(lck_path, std::ios::trunc);
    ofs << mix_cc::mix_time_t(time(0)).to_formatted_time();
    ofs.close();
    ofs.clear();
  }
  return true;
}

bool unlock_file(std::string ruleId) {
  auto lck_path = get_lock_path(ruleId) + ".lck";
  if (is_file_locked(ruleId)) {
    std::filesystem::remove(lck_path);
    return true;
  }
  return false;
}

bool is_file_locked(std::string ruleId) {
  auto lck_path = get_lock_path(ruleId) + ".lck";
  if (std::filesystem::exists(lck_path)) {
    return true;
  }
  return false;
}
}  // namespace utility