# Shared i18n library for JDownloader-Autoenc-rename
# Source this file from your scripts, then use tr("key") to get translations.

# Determine script name (jdautoenc, rename, addrename, removerename, config)
SCRIPT_NAME=$(basename "${BASH_SOURCE[1]}" .sh 2>/dev/null)
if [[ -z "$SCRIPT_NAME" ]]; then
  SCRIPT_NAME=$(basename "$0" .sh 2>/dev/null)
fi

# Find language folder
if [[ -n "$language_folder" ]]; then
  : # already set
elif [[ -n "$JDAutoConfig" && -f "$JDAutoConfig" ]]; then
  language_folder=$(grep "language_folder=" "$JDAutoConfig" 2>/dev/null | sed 's/.*=//g')
fi

# Determine language
if [[ -z "$language" ]]; then
  if [[ -n "$JDAutoConfig" && -f "$JDAutoConfig" && -n "$(grep "language=" "$JDAutoConfig" 2>/dev/null | sed 's/.*=//g')" ]]; then
    language=$(grep "language=" "$JDAutoConfig" | sed 's/.*=//g')
  else
    language=$(locale 2>/dev/null | head -n 1 | sed 's/.*=\|\..*//g')
  fi
fi

if [[ "$language" == "C" ]] || [[ ! -d "$language_folder/$language" ]]; then
  language=en_US
fi

# The lang file for the current script
LANG_FILE="$language_folder/$language/${SCRIPT_NAME}.lang"
FALLBACK_LANG_FILE="$language_folder/en_US/${SCRIPT_NAME}.lang"

tr() {
  local key="$1"

  # Try local lang file
  if [[ -f "$LANG_FILE" ]]; then
    local result
    result=$(grep "^${key} " "$LANG_FILE" 2>/dev/null | head -n 1 | sed "s/^${key} //")
    if [[ -n "$result" ]]; then
      echo "$result"
      return
    fi
  fi

  # Try fallback (en_US)
  if [[ -f "$FALLBACK_LANG_FILE" ]]; then
    local result
    result=$(grep "^${key} " "$FALLBACK_LANG_FILE" 2>/dev/null | head -n 1 | sed "s/^${key} //")
    if [[ -n "$result" ]]; then
      echo "$result"
      return
    fi
  fi

  # Try remote fallback
  local remote_url="https://raw.githubusercontent.com/Pakobbix/JDownloader-Autoenc-rename/main/lang/en_US/${SCRIPT_NAME}.lang"
  local result
  result=$(curl -s "$remote_url" 2>/dev/null | grep "^${key} " | head -n 1 | sed "s/^${key} //")
  if [[ -n "$result" ]]; then
    echo "$result"
    return
  fi

  # Return the key itself as last resort
  echo "$key"
}