#!/usr/bin/env bash

LOCALE_DIRECTORY="${SCRIPT_DIR}/locales"

load_locale() {
  case "${LOCALE,,}" in
    ru*|ru_*)
      LOCALE="ru"
      ;;
    en*|en_*)
      LOCALE="en"
      ;;
    *)
      if [[ "${LANGUAGE:-${LANG:-}}" == ru* ]]; then
        LOCALE="ru"
      else
        LOCALE="en"
      fi
      ;;
  esac

  case "$LOCALE" in
    ru)
      LOCALE_FILE="$LOCALE_DIRECTORY/ru.sh"
      ;;
    *)
      LOCALE_FILE="$LOCALE_DIRECTORY/en.sh"
      ;;
  esac

  if [[ ! -f "$LOCALE_FILE" ]]; then
    LOCALE="en"
    LOCALE_FILE="$LOCALE_DIRECTORY/en.sh"
  fi

  # shellcheck source=/dev/null
  . "$LOCALE_FILE"
}

t() {
  local key="$1"
  shift || true

  local fn="locale_msg_${key}"
  if declare -F "$fn" >/dev/null 2>&1; then
    "$fn" "$@"
  else
    echo "$key"
  fi
}