#!/bin/bash
set -euxo pipefail

cd "${BASH_SOURCE[0]%/*}"

rm -rf build
mkdir build

(
	echo "Building HTML"
	shopt -s extglob
	while IFS= read -r -d '' || [[ "${REPLY}" ]]; do
		cat header.html "${REPLY}" footer.html >"./build/${REPLY}"
    	done < <(find . -maxdepth 1 -type f -name '*.html' -not -name 'header.html' -and -not -name 'footer.html' -print0)
)

cp -vr css/ images/ build/

render_image() {
	local SIZE="${1}" FILENAME="${2}" EXTRA_OPTIONS=(-auto-orient)
	shift 2
	if [[ "${1}" == "--square" ]]; then
    		EXTRA_OPTIONS+=(-background none -gravity center -extent "${SIZE}")
    	fi
	convert -resize "${SIZE}^" "${EXTRA_OPTIONS[@]}" "orig/${FILENAME}" "build/images/${FILENAME}"
}

render_image 200x200 "5._Elementary_GLOBE_Climate_Book_Cover.jpg" --square
render_image 200x200 "Diane_Student_Scammon_Bay.png" --square

echo "Stripping metadata"
exiftool -overwrite_original -all= -- build/images/*.*

echo "Website built $(date)"