#! /usr/bin/env bash

sudo mkdir -p /usr/share/keyrings 2>&1 > /dev/null

sudo apt-get install --yes --no-install-recommends \
    curl gnupg software-properties-common apt-transport-https

function add_repo() {
    REPO_FQDN=$1 #'download.docker.com'
    GPG_KEY_URL=${2:-https:\/\/$REPO_FQDN\/gpg}
    GPG_KEY_PATH=/usr/share/keyrings/$REPO_FQDN.gpg
    REPO_ARCH=${3:-$(dpkg --print-architecture)}
    [[ $REPO_ARCH == '-' ]] && REPO_ARCH='' || REPO_ARCH="arch=$REPO_ARCH"
    REPO_URL=${4:-https:\/\/$REPO_FQDN}
    REPO_SUITE=${5:-$(lsb_release -cs)}
    REPO_CMP=${6:-main}
    
    curl -fsSL $GPG_KEY_URL | sudo gpg --dearmor -o $GPG_KEY_PATH
    echo "Key created: $GPG_KEY_PATH"
    echo "deb [$(echo "$REPO_ARCH signed-by=$GPG_KEY_PATH" | xargs )] $REPO_URL $REPO_SUITE $REPO_CMP" | \
                sudo tee /etc/apt/sources.list.d/$REPO_FQDN.list > /dev/null
    echo "APT source list added: /etc/apt/sources.list.d/$REPO_FQDN.list"
}

#Long line - 189 characters long
#add_repo  REPO_FQDN/Name               GPG_KEY_URL                                             REPO_ARCH  REPO_URL                                   REPO_SUITE  REPO_CMP # TBD: PIN_PRIORITY
#defaults: <required>                  'https://$REPO_FQDN/gpg'              $(dpkg --print-architecture) 'https://$REPO_FQDN'                $(lsb_release -cs) 'main'    #      <optional>
#         ---------------------------- ------------------------------------------------------- ---------- ------------------------------------------ ----------- ---------
add_repo  'download.docker.com'        'https://download.docker.com/linux/ubuntu/gpg'          ''         'https://download.docker.com/linux/ubuntu' ''          'stable'
add_repo  'deb.anydesk.com'            'https://keys.anydesk.com/repos/DEB-GPG-KEY'            '-'        'http://deb.anydesk.com/'                  'all'       ''
add_repo  'packages.cloud.google.com'  'https://packages.cloud.google.com/apt/doc/apt-key.gpg' '-'        'https://packages.cloud.google.com/apt'    'cloud-sdk' ''
add_repo  'packages.microsoft.com'     'https://packages.microsoft.com/keys/microsoft.asc'     ''         'http://packages.microsoft.com/repos/code' 'stable'    ''
add_repo  'apt.releases.hashicorp.com' 'https://apt.releases.hashicorp.com/gpg'                ''         'https://apt.releases.hashicorp.com'       ''          ''

sudo apt-add-repository --no-update "deb [arch=amd64] http://http.us.debian.org/debian sid main non-free contrib"
# # Debian sid (unstable) as low-priority option
(echo 'Package: *'; echo 'Pin: release a=unstable'; echo 'Pin-Priority: 200') | sudo tee /etc/apt/preferences.d/unstable > /dev/null
# # pin xscreensaver to unstable
(echo 'Package: xscreenaver*'; echo 'Pin: release a=unstable'; echo 'Pin-Priority: 2000') | sudo tee /etc/apt/preferences.d/xscreensaver > /dev/null
 
sudo apt update