#!/bin/bash

podman_bin=$(which podman)

if [ -n "${podman_bin}" ]; then
    echo -e "Podman installation found at $podman_bin. Skipping the setup."
    exit 1
fi

## Do all the job in tmp folder
cd /tmp

echo -e "Installing script dependencies..."
sudo apt update -qq
sudo apt install -qq -y lsb-release wget

keyring_file="/etc/apt/keyrings/kubic-libcontainers.asc"
repo_key_base="https://download.opensuse.org/repositories/devel:kubic:libcontainers:stable"
repo_base_path="https://download.opensuse.org/repositories/devel:/kubic:/libcontainers:/stable"

distro_name=$(lsb_release -d | awk {'print $2'})

if [ $distro_name == "Debian" ]; then
    distro_version=$(lsb_release -d | awk {'print $4'} | awk -F '.' {'print $1'})
else
    distro_version=$(lsb_release -d | awk {'print $3'} | sed -e 's/\.[0-9]\+$//g')
fi

if [ $distro_name == "Ubuntu" ]; then
    repo_path="${repo_base_path}/xUbuntu_${distro_version}"
    repo_key_path="${repo_key_base}/xUbuntu_${distro_version}/Release.key"
elif [ $distro_name == "LMDE" ]; then
    if [ $distro_version -eq 5 ]; then
        distro_version=11
    elif [ $distro_version -eq 4 ]; then
        distro_version=10
    fi

    repo_path="${repo_base_path}/Debian_${distro_version}"
    repo_key_path="${repo_key_base}/Debian_${distro_version}/Release.key"
elif [ $distro_name == "Debian" ]; then
    repo_path="${repo_base_path}/Debian_${distro_version}"
    repo_key_path="${repo_key_base}/Debian_${distro_version}/Release.key"
else
    echo -e "\nUnhandled distribution ${distro_name}"
    exit 1
fi

echo -e "\nThe computed repo path is: ${repo_path}"
echo -e "The computed repo-key path is: ${repo_key_path}"

wget -qO- ${repo_key_path} | sudo tee $keyring_file

sudo sh -c "echo 'deb [arch=amd64 signed-by=${keyring_file}] ${repo_path}/ /' > /etc/apt/sources.list.d/kubic-libcontainers.list"
sudo apt update -qq
sudo apt -qq -y install podman buildah
sudo mkdir -p /etc/containers

echo -e "[registries.search]\nregistries = ['docker.io', 'quay.io']" | sudo tee /etc/containers/registries.conf

## For non-root user, setup the rootless podman configuration
if [ $UID -ne 0 ]; then
    sync && mkdir -p $HOME/.config/containers
    podman info >/dev/null ## On first run, it tends to print some warning. Hence, skipping it.
    podman info >$HOME/.config/containers/libpod.conf
fi

echo -e "All done."

exit 0