#!/usr/bin/env bash

# This script takes all the jpg and mp4 files in a directory and
# organises them into a folder structure based on the month and year
# they were last modified (taken).

DRY_RUN=false

while test $# -gt 0
do
	case "$1" in
		--help)
			echo organise-photos
			echo "    by Starbeamrainbowlabs <feedback@starbeamrainbowlabs.com>"
			echo "This script takes all the jpg and mp4 files in a directory and organises them into a folder structure based on the month and year they were last modified (taken)."
			echo 
			echo "Options:"
			echo "    --help"
			echo "         Show this help message"
			echo "    --dry-run"
			echo "         Do a dry run - don't actually move any files."
			exit 
			;;
		--dry-run)
			echo Activating dry run mode.
			DRY_RUN=true
	esac
	shift
done

find . -maxdepth 1 \( -iname "*.jpg" -o -iname "*.mp4" \) -print0 | while read -r -d '' filename
do
	echo -ne "Processing ${filename} - ";
	takenYear=$(date -r "${filename}" +%Y);
	takenMonth=$(date -r "${filename}" +%-m);
	takenMonthText=$(date -r "${filename}" +%B);
	
	newFolder="${takenYear}/${takenMonth}-${takenMonthText}/";
	newFilename="${newFolder}${filename}";
	
	echo -ne "filing in ${newFolder} - ";
	
	if [ "$DRY_RUN" = true ] ; then
		echo dry run
		continue
	fi
		
	mkdir -p "${newFolder}";
	mv "${filename}" "${newFilename}";
	
	echo Done\!;
done

echo "*** Complete! ***"

exit 0