# library functions

function confirm {
  read -p "$1 ([y]es or [N]o): "
  case $(echo $REPLY | tr '[A-Z]' '[a-z]') in
  y | yes) echo "yes" ;;
  *) echo "no" ;;
  esac
}

function load_app_name {
  [[ -z "${PROJECT_DIR:-}" ]] && echo '`PROJECT_DIR` variable should be initialized first!' && exit 4
  local application_ruby="$PROJECT_DIR/config/application.rb"
  [[ ! -f $application_ruby ]] && echo "ERROR: $application_ruby not found!" && exit 20
  APP_NAME=$(grep ^module $application_ruby | cut -d' ' -f2)
  APP_NAME=${APP_NAME,,} # downcase
}

function load_database_settings {
  local rails_cmd="
    ActiveRecord::Base.configurations.configurations
      # .find{it.env_name == '$RAILS_ENV'}
      .find{_1.env_name == '$RAILS_ENV'}
      .configuration_hash
      .each do |k,v|
        puts \"#{k}\\t#{v}\"
      end
  "
  local db_settings=$(rails runner "$rails_cmd")

  ADAPTER=$(echo -e "$db_settings" | grep adapter | cut -f2)
  DB_NAME=$(echo -e "$db_settings" | grep database | cut -f2)
  DB_USER=$(echo -e "$db_settings" | grep user | cut -f2)
  DB_PASSWORD=$(echo -e "$db_settings" | grep password | cut -f2)
}

function load_storage_settings {
  STORAGE_DIR=$(rails runner 'puts ActiveStorage::Blob.service.root')
}

function load_db_version {
  DB_VERSION=$(grep -E "define\(version:" "$PROJECT_DIR/db/schema.rb" | cut -d' ' -f2 | cut -d')' -f1)
}

function load_yamal_d_extra_scripts {
  load_app_name
  load_db_version
  echo "APP_NAME=$APP_NAME"
  echo "DB_VERSION=$DB_VERSION"
  if [[ -f $PROJECT_DIR/bin/yamal.d/$DB_VERSION.bash ]]; then
    echo '------------------------'
    echo "YAMAL_D extra script found"
    source $PROJECT_DIR/bin/yamal.d/$DB_VERSION.bash
    echo '------------------------'
  fi
}

## MAIN

load_yamal_d_extra_scripts