#!/bin/bash

set -e

source .env 

INPUT="${1}"
ID="${2}"
EXIF="${3}"

SIZES=(
	"thumb:420"
	"full:2000"
)

function img () {
	convert "${1}" -colorspace LAB  -filter Lanczos -resize ${3}x -strip -quality 86 -colorspace sRGB "${2}"
	echo "${1} -> ${2}"
}

mkdir -p "${WWW}/img/"
mkdir -p "${PHOTOS}/"

for sizeRaw in ${SIZES[@]}; do
	sizeName=$(echo $sizeRaw | awk -F':' '{print $1}')
	size=$(echo $sizeRaw | awk -F':' '{print $2}')
	name=$(basename "${1}")
	name=${name%.*}
	output="${WWW}/img/${ID}_${sizeName}.jpg"
	img "${1}" "${output}" "${size}"
	if [[ -f "${WWW}/img/${ID}_${sizeName}-1.jpg" ]]; then
		mv "${WWW}/img/${ID}_${sizeName}-0.jpg" "${WWW}/img/${ID}_${sizeName}.jpg"
		rm "${WWW}/img/${ID}_${sizeName}-1.jpg"
	fi
	exiftool -overwrite_original -@ "${EXIF}" "${output}"
done