<?php

namespace utils;

class mysql {
    
  public static function exec($db, $password, $sql, $user = "root") {
    $dsn = "-D {$db} -u {$user} -p{$password}";
    exec(\neato::get_user_bin . 'mysql '. safe_cmd_quotes($dsn) . ' -e ' . safe_cmd($sql), $output, $exit_code);
    display($output);
    check_for_error($exit_code, "Unable to run MySQL command: {$sql}");
    return $exit_code;
  }

  public static function import($db, $password, $file, $user = "root") {
    $dsn = "-D {$db} -u {$user} -p{$password}";
    exec(\neato::get_user_bin . 'mysql '. safe_cmd_quotes($dsn) . ' <' . safe_cmd($file), $output, $exit_code);
    display($output);
    check_for_error($exit_code, "Unable to Import MySQL file: {$file}");
    return $exit_code;
  }
  
  public static function backup($db, $password, $file, $user = "root") {
    $what = ($db == 'all') ? '-A' : "-B {$db}";
    $dsn = "{$what} -u {$user} -p{$password}";
    exec(\neato::get_user_bin . 'mysqldump '. safe_cmd_quotes($dsn) . ' | gzip > $(date +\%Y_\%m_\%d-\%T)'. safe_cmd($file) . '.sql.gz', $output, $exit_code);
    display($output);
    check_for_error($exit_code, "Unable to Export MySQL file: {$file}");
    return $exit_code;
  }
  
  public static function gunzip($file) {
    exec(\neato::get_bin . 'gunzip ' . safe_cmd($file) . '.sql.gz', $output, $exit_code);
    display($output);
    check_for_error($exit_code, "Unable to unzip MySQL file: {$file}");
    return $exit_code;
  }

  public static function remove_old($path = '', int $days_old = 10) {
    exec(\neato::get_user_bin . 'find ' . $path . ' -name "*.gz" -mtime +'.$days_old.' -delete');
  }
  
}