#!/bin/bash
# SYSTEM: CONFIG Rename


# If profiles exist
if (( ${#CONFIG_PROFILES_ARRAY[@]} ));

	# Main Rename Routine
	then

		# Read input
		read -p "Profile to Rename?: " PROFILE_TO_RENAME

		# Input validate (check if empty)
		if [[ -z "$PROFILE_TO_RENAME" ]]; then
			error_message "[r] Config (rename): Input blank. No file identied for renaming."
			echo -e ""

		# Input validate (check for alphanum & "-_")
		elif [[ "$PROFILE_TO_RENAME" =~ [^a-zA-Z0-9_-] ]]; then
			error_message "[r] Config (rename): Filenames are alphanum only (no spaces). Try again."
			echo -e ""

		else

			# Check if file exists
			if [[ "${CONFIG_PROFILES_ARRAY[*]}" =~ ${PROFILE_TO_RENAME} ]]; then

				# Read input
				read -p "New name for file?: " PROFILE_NEW_NAME

				# Input Validate (check if empty)
				if [[ -z "$PROFILE_NEW_NAME" ]]; then
					error_message "[r] Config (rename): New file name is blank."
					echo -e ""

				# Input validate (check for alphanum & "-_")
				elif [[ "$PROFILE_NEW_NAME" =~ [^a-zA-Z0-9_-] ]]; then

					error_message "[r] Config (rename): Filenames are alphanum only (no spaces). Try again."
					echo -e ""

				else

					# Input validate (check for alphanum & "-_")
					if [[ "${CONFIG_PROFILES_ARRAY[*]}" =~ ${PROFILE_NEW_NAME} ]]; then
						error_message "[r] Config (rename): New name for file already exists."
						echo -e ""

					# Renaming routine
					else

						# Get name of current config
						CURRENTLY_ACTIVE_CONFIG_FILE=$(<"$CONFIG_FILE_IDENTIFIER_PATH")

						if [[ "$CURRENTLY_ACTIVE_CONFIG_FILE" == "$PROFILE_TO_RENAME" ]]; 

							# If profile being renamed is the currently used profile
							then

								# Rename/mv file and change internal name
								sudo mv "$CONFIG_DIRECTORY/config-$PROFILE_TO_RENAME.json" "$CONFIG_DIRECTORY/config-$PROFILE_NEW_NAME.json"
								sed -i "s/\/\/ Config name.*/\/\/ Config name: $PROFILE_NEW_NAME/" "$CONFIG_DIRECTORY/config-$PROFILE_NEW_NAME.json"

								# Delete config file identifier contents and push new name
								truncate -s 0 "$CONFIG_FILE_IDENTIFIER_PATH"
								echo "$PROFILE_NEW_NAME" >> $CONFIG_FILE_IDENTIFIER_PATH

								# Confirm
								confirmation_message "[r] Config (rename): Config file \"$PROFILE_TO_RENAME\" renamed to \"$PROFILE_NEW_NAME\"."
								echo -e ""


							# If profile being renamed is NOT the currently used profile
							else

								# Rename/mv file and change internal name
								sudo mv "$CONFIG_DIRECTORY/config-$PROFILE_TO_RENAME.json" "$CONFIG_DIRECTORY/config-$PROFILE_NEW_NAME.json"
								sed -i "s/\/\/ Config name.*/\/\/ Config name: $PROFILE_NEW_NAME/" "$CONFIG_DIRECTORY/config-$PROFILE_NEW_NAME.json"

								# Confirm
								confirmation_message "[r] Config (rename): Config file \"$PROFILE_TO_RENAME\" renamed to \"$PROFILE_NEW_NAME\"."
								echo -e ""


						fi

					fi

				fi


			else

				error_message "[r] Config (Rename): No file named \"$PROFILE_TO_RENAME\" to rename."
				echo -e ""

			fi

		fi


	# No profiles exist
	else
		error_message "[r] Config (rename): No config profiles to rename. Create with \"new\"."
		echo -e ""

fi