install

---
---
{% if jekyll.environment == "production" %}
# GitHub production URL
BASE_URL="{{ site.github.url }}"
{% elsif jekyll.environment == "development" %}
# Default development URL
BASE_URL="http://abba-builder:4000"
{% else %}
# Custom development URL
BASE_URL="{{ jekyll.environment }}"
{% endif %}

{% assign css_pages = site.pages | where: "dir", "/abba/css/" %}
{% assign css_themes = "" | split: "," %}
{% for page in css_pages %}
{% assign theme = page.name | remove: ".scss" %}
{% assign css_themes = css_themes | push: theme %}
{% endfor %}
# Available themes
THEMES="{{ css_themes | join: ":" }}"

# Print all available themes
print_themes()
{
	echo ${THEMES} | awk -F: '{
		for (i = 1; i <= NF; i++) {
			printf("%2s) %s\n", i, $i);
		}
	}'
}

# Check if a theme name is valid
# $1: A theme name
# return: A valid theme name or the empty string
check_theme()
{
	echo ${THEMES} | awk -F: -v theme=${1:-default} '{
		ltheme = tolower(theme);
		for (i = 1; i <= NF; i++) {
			if (ltheme == i || ltheme == $i) {
				printf("%s", $i);
				exit;
			}
		}
	}'
}

# On exit handler
on_exit()
{
	local status=$?

	# Print a status line
	if [ ${status} -eq 0 ]
	then
		echo "ABBA has been successfully installed"
	else
		echo >&2 "Failed to install ABBA"
	fi

	# Self remove
	rm ${0}

	exit ${status}
}

trap "on_exit" EXIT

# Exit on error
set -e

# Create the .abba directory tree first to handle permission denied errors asap
mkdir -p .abba
mkdir -p .abba/css
mkdir -p .abba/html
mkdir -p .abba/images
mkdir -p .abba/js
mkdir -p .abba/webfonts

# Ask the user to choose a theme if not given in argument
[ -n "${1}" ] && THEME=$(check_theme ${1})

while [ -z "${THEME}" ]
do
	print_themes
	read -p "What theme do you want to use? [default] " THEME
	THEME=$(check_theme ${THEME})
done

# Download the needed files
curl -sL ${BASE_URL}/abba/htaccess -o .htaccess
curl -sL ${BASE_URL}/abba/css/${THEME}.css -o .abba/css/style.css
curl -sL ${BASE_URL}/abba/html/header.shtml -o .abba/html/header.shtml
curl -sL ${BASE_URL}/abba/html/footer.shtml -o .abba/html/footer.shtml
for ERROR in 401 403 404 500
do
	curl -sL ${BASE_URL}/abba/html/error_${ERROR}.shtml -o .abba/html/error_${ERROR}.shtml
done
curl -sL ${BASE_URL}/abba/images/favicon.ico -o .abba/images/favicon.ico
curl -sL ${BASE_URL}/abba/images/favicon.svg -o .abba/images/favicon.svg
curl -sL ${BASE_URL}/abba/js/script.js -o .abba/js/script.js
for FONT in fa-regular-400 fa-solid-900
do
	for EXT in eot svg ttf woff woff2
	do
		curl -sL ${BASE_URL}/abba/webfonts/${FONT}.${EXT} -o .abba/webfonts/${FONT}.${EXT}
	done
done

# Generate the uninstall script
cat << EOF > .abba/uninstall
#!/bin/sh
rm -f ${PWD}/.htaccess
rm -rf ${PWD}/.abba
EOF

chmod +x .abba/uninstall