<?php

namespace package_managers;

class flatpak {
    
  public static function is_installed(string $prog) {
    exec(\neato::get_user_bin . 'dpkg -s ' . safe_cmd($prog) . ' | ' . \neato::get_bin . 'grep "install ok installed"', $out, $exit_code);
    exec(\neato::get_user_bin . 'dpkg -s ' . safe_cmd($prog) . ' | ' . \neato::get_bin . 'grep ^Version', $output, $code);
    $version = str_replace('Version: ', '', $output[0]);
    return ($exit_code == 0) ? ['installed' => true, 'version' => $version] : ['installed' => false];
  }
    
  public static function upgrade(string $prog) {
    return self::update($prog);
  }

  public static function install(string $prog) {
    exec(\neato::get_user_bin . 'flatpak install -y ' . safe_cmd_quotes($prog) . stderr(), $output, $exit_code);
    display($output);
    check_for_error($exit_code, "Unable to install: {$prog}");
    return $exit_code;
  }

  public static function purge(string $prog) {
      return self::uninstall($prog);
  }

  public static function uninstall(string $prog) {
    exec(\neato::get_user_bin . 'flatpak uninstall -y ' . safe_cmd_quotes($prog) . stderr(), $output, $exit_code);
    display($output);
    check_for_error($exit_code, "Unable to uninstall: {$prog}");
    return $exit_code;
  }

  /**
   * @todo fix me
   */
  public static function add_repo(string $name, string $url) {
    exec(\neato::get_user_bin . 'flatpak remote-add --if-not-exists ' . safe_cmd($name, $url) . stderr(), $output, $exit_code);
    display($output);
    return $exit_code;      
  }

  public static function update() {
    exec(\neato::get_user_bin . 'flatpak update' . stderr(), $output, $exit_code);
    display($output);
    return $exit_code;
  }

  public static function full_update() {
      return false;
  }
  
  // Have a Backup!!
  public static function full_system_upgrade() {
      return false;
  } 
  
  public static function list() {
    exec(\neato::get_user_bin . 'flatpak list' . stderr(), $output, $exit_code);
    display($output);
    return $exit_code;
  }

}