#! /bin/bash --
[ ! -z "${GREZZO_1577141523}" ] && return; GREZZO_1577141523=0

. "$(this_script_path)/lsb-release.sh"

function feat_addpacks_docker() {
	if ! feat_missing "apt-get"; then
		for pkg in docker.io docker-doc docker-compose podman-docker containerd runc; do sudo apt-get remove $pkg; done
		sudo apt-get update
		if [ "$(apt-cache search docker-ce | grep -o "^docker-ce ")" != "docker-ce" ]; then
			sudo mkdir -p /etc/apt/keyrings
			sudo apt-get install \
				ca-certificates \
				curl \
				gnupg
			sudo install -m 0755 -d /etc/apt/keyrings
			if [ -f /etc/lsb-release ]; then
				. /etc/lsb-release
			fi
			if [ -f /etc/os-release ]; then
				. /etc/os-release
			fi
			DISTRIB_ID="${DISTRIB_ID:-$ID}"
			DISTRIB_CODENAME="${DISTRIB_CODENAME:-${UBUNTU_CODENAME:-$VERSION_CODENAME}}"
			if [ -z "$DISTRIB_CODENAME" ]; then
				feat_needed "lsb_release"
				if [ -f /etc/lsb-release ]; then
					. /etc/lsb-release
				fi
				DISTRIB_ID="${DISTRIB_ID:-$ID}"
				DISTRIB_CODENAME="${DISTRIB_CODENAME:-${UBUNTU_CODENAME:-$VERSION_CODENAME}}"
				if [ -z "$DISTRIB_CODENAME" ]; then
					echo "Impossibile determinare DISTRIB_CODENAME (mancano /etc/lsb-release e /etc/os-release)" >&2
					return 1
				fi
			fi
			sudo rm -rf /etc/apt/keyrings/docker.gpg >/dev/null 2>&1
            if [[ "$DISTRIB_ID" == "LinuxMint" || "$DISTRIB_ID" == "linuxmint" ]]; then
				if [ -f /etc/upstream-release/lsb-release ]; then
					. /etc/upstream-release/lsb-release
					DISTRIB_CODENAME="${DISTRIB_CODENAME:-${UBUNTU_CODENAME:-$VERSION_CODENAME}}"
				fi
				sudo curl -fsSL https://download.docker.com/linux/ubuntu/gpg -o /etc/apt/keyrings/docker.asc
				sudo chmod a+r /etc/apt/keyrings/docker.asc
			    echo \
                "deb [arch=$(dpkg --print-architecture) signed-by=/etc/apt/keyrings/docker.asc] https://download.docker.com/linux/ubuntu \
                $DISTRIB_CODENAME stable" | sudo tee /etc/apt/sources.list.d/docker.list > /dev/null
            elif [[ "$DISTRIB_ID" == "Ubuntu" || "$DISTRIB_ID" == "ubuntu" ]]; then
				sudo curl -fsSL https://download.docker.com/linux/ubuntu/gpg -o /etc/apt/keyrings/docker.asc
				sudo chmod a+r /etc/apt/keyrings/docker.asc
			    echo \
                "deb [arch=$(dpkg --print-architecture) signed-by=/etc/apt/keyrings/docker.asc] https://download.docker.com/linux/ubuntu \
                $DISTRIB_CODENAME stable" | sudo tee /etc/apt/sources.list.d/docker.list > /dev/null
            else
                sudo curl -fsSL https://download.docker.com/linux/debian/gpg -o /etc/apt/keyrings/docker.asc
				sudo chmod a+r /etc/apt/keyrings/docker.asc
			    echo \
                "deb [arch=$(dpkg --print-architecture) signed-by=/etc/apt/keyrings/docker.asc] https://download.docker.com/linux/debian \
                $DISTRIB_CODENAME stable" | sudo tee /etc/apt/sources.list.d/docker.list > /dev/null
            fi			
            sudo apt-get update
		fi
		sudo apt-get install -y docker-ce docker-ce-cli containerd.io docker-buildx-plugin docker-compose-plugin
	fi
}

function feat_add_docker() {
	if feat_missing "docker"; then
		feat_addpacks_docker
	fi
	if getent group docker >/dev/null 2>&1; then
		local target_user
		target_user="${SUDO_USER:-$USER}"
		if getent passwd "$target_user" >/dev/null 2>&1; then
			if ! id -nG "$target_user" | grep -qw docker; then
				sudo usermod -aG docker "$target_user"
				echo "Utente aggiunto al gruppo docker. Esegui logout/login per applicare i permessi."
			fi
		fi
	fi
}