#!/bin/bash

# Rename all image and video files in the current directory by their capture/creation date.

set -euo pipefail
mkdir -p 'done'

# Directory to process (defaults to current directory)
DIR="${1:-.}"
cd "$DIR"

# Supported extensions (add more if needed)
shopt -s nullglob nocaseglob
FILES=(*.jpg *.jpeg *.png *.mov *.mp4)
# FILES=(*.jpg *.jpeg *.png)

for FILE in "${FILES[@]}"; do
	# Skip if not a regular file
	[ -f "$FILE" ] || continue

	# Extract datetime from EXIF or file creation date as fallback
	DATE=$(exiftool -m -DateTimeOriginal -d "%Y-%m-%d %H-%M-%S" -s3 "$FILE" | head -n 1)

	# If EXIF data missing, fallback to filesystem creation/modification time
	if [ -z "$DATE" ]; then
		# The following lines need to be customized for the specific image names
		continue

	#  if [[ "$FILE" == *.jpg || "$FILE" == *.jpeg || "$FILE" == *.png ]]; then
	# 		  if [[ "$FILE" == IMG*WA* ]]; then
	# 			DATE=$(echo $FILE | sed 's/IMG-//' | sed 's/-WA.*//')
	# 			DATE="${DATE:0:4}-${DATE:4:2}-${DATE:6:2}"
	# 		  elif [[ "$FILE" == *" "*" "* ]]; then
	# 			DATE=$(echo $FILE | awk '{print $1, $2}')
	# 		  else
	# 			DATE="${FILE:0:4}-${FILE:4:2}-${FILE:6:2} ${FILE:8:2}-${FILE:10:2}-${FILE:12:2}"
	# 		  fi
	# fi
	# if [[ "$FILE" == *.mov || "$FILE" == *.mp4 ]]; then
	#
	# 		 if [[ "$FILE" == *" "*" "* ]]; then
	# 			DATE=$(echo $FILE | awk '{print $1, $2}')
	# 			DATE=$(echo "20$DATE")
	# 		 elif [[ "$FILE" == VID*WA* ]]; then
	# 			DATE=$(echo $FILE | sed 's/VID-//' | sed 's/-WA.*//')
	# 			DATE="${DATE:0:4}-${DATE:4:2}-${DATE:6:2}"
	# 		 elif [[ "$FILE" == VID_* ]]; then
	# 			DATE=$(echo $FILE | sed 's/VID_//' )
	# 			DATE="${DATE:0:4}-${DATE:4:2}-${DATE:6:2} ${DATE:9:2}-${DATE:11:2}-${DATE:13:2}"
	# 		 elif [[ "$FILE" =~ ^[0-9]+_[0-9]+\..*$ ]]; then
	# 			DATE="${FILE:0:4}-${FILE:4:2}-${FILE:6:2} ${FILE:9:2}-${FILE:11:2}-${FILE:13:2}"
	# 		 elif [[ "$FILE" =~ ^[0-9]+\..*$ ]]; then
	# 			DATE="${FILE:0:4}-${FILE:4:2}-${FILE:6:2} ${FILE:8:2}-${FILE:10:2}-${FILE:12:2}"
	# 		 else
	# 		 	continue
	# 		 fi
	# fi
	fi

	# Extract extension (lowercase)
	EXT="${FILE##*.}"
	EXT_LOWER=$(echo "$EXT" | tr '[:upper:]' '[:lower:]')

	NEWNAME="done/${DATE}.${EXT_LOWER}"

	# Handle duplicates (append counter)
	COUNTER=1
	while [ -e "$NEWNAME" ]; do
		NEWNAME="done/${DATE} $COUNTER.${EXT_LOWER}"
		((COUNTER++))
	done

	echo "Renaming: $FILE → $NEWNAME"
	mv "$FILE" "$NEWNAME"
done