# Check if Docker-Compose is not installed
if [ -z "$(which docker-compose)" ]; then
    echo "Docker-Compose is not installed. Please install it first from https://docs.docker.com/compose/install/#install-compose."
    exit 1
fi

# Docker-Compose version check, to prevent "Unsupported configuration option"
COMPOSE_VERSION=$(docker-compose version --short)
REQUIRED_COMPOSE_VERSION="1.28.0"
if [[ $(printf '%s\n' "$REQUIRED_COMPOSE_VERSION" "$COMPOSE_VERSION" | sort -V | head -n1) != $REQUIRED_COMPOSE_VERSION ]]; then
    echo "Your docker-compose version of $COMPOSE_VERSION is too old. Please upgrade to $REQUIRED_COMPOSE_VERSION or higher."
    echo "See https://docs.docker.com/compose/install/#install-compose for installation instructions."
    exit 1
fi

echo "Enter a hostname for the Frontend (eg: piped.kavin.rocks):" && read -r frontend
echo "Enter a hostname for the Backend (eg: pipedapi.kavin.rocks):" && read -r backend
echo "Enter a hostname for the Proxy (eg: pipedproxy.kavin.rocks):" && read -r proxy
echo "Enter the reverse proxy you would like to use (either caddy or nginx):" && read -r reverseproxy

rm -rf config/
rm -f docker-compose.yml

cp -r template/ config/

sed -i "s/FRONTEND_HOSTNAME/$frontend/g" config/*
sed -i "s/BACKEND_HOSTNAME/$backend/g" config/*
sed -i "s/PROXY_HOSTNAME/$proxy/g" config/*

# The openj9 image does not support aarch64
if [[ "$(uname -m)" == "aarch64" ]]; then
    sed -i "s/piped:latest/piped:hotspot/g" config/*
fi

mv config/docker-compose.$reverseproxy.yml docker-compose.yml