#!/bin/bash
# BeAdmin — automated installer
# https://beadmin.com
#
# Usage:
#   curl -fsSL https://setup.beadmin.com/ | bash
#   curl -fsSL https://setup.beadmin.com/<partner_code> | bash
#
# Requirements: Debian 12+ / Ubuntu 22.04+, root privileges.

set -euo pipefail

# ── Tuning ────────────────────────────────────────────────────────────
if [ "$(id -u)" -ne 0 ]; then
    exit 1
fi

# Refuse an unsupported OS before apt is touched. Other distros and a missing
# VERSION_ID (Debian testing/sid) pass through.
os_release=/etc/os-release
if [ -r "$os_release" ]; then
    # shellcheck disable=SC1090
    . "$os_release"
    case "${ID:-}" in
        ubuntu) os_min=2204 ;;
        debian) os_min=1200 ;;
        *) os_min=0 ;;
    esac
    # major*100+minor, so 21.10 (2110) is below 22.04 (2204).
    if [[ "${VERSION_ID:-}" =~ ^([0-9]+)(\.([0-9]+))? ]] &&
        [ $((10#${BASH_REMATCH[1]} * 100 + 10#${BASH_REMATCH[3]:-0})) -lt "$os_min" ]; then
        echo "BeAdmin doesn't support ${NAME:-$ID} ${VERSION_ID}. You need Ubuntu 22.04 or later, or Debian 12 or later." >&2
        exit 1
    fi
fi

command -v wget >/dev/null 2>&1 || {
    apt-get update -qq && apt-get install -y -qq wget >/dev/null
}

wget -O /etc/apt/trusted.gpg.d/beadmin-nexus-public.gpg "https://nexus.beadmin.com/repository/public-keys/beadmin-nexus-public.gpg"
chmod 644 /etc/apt/trusted.gpg.d/beadmin-nexus-public.gpg
echo "deb [signed-by=/etc/apt/trusted.gpg.d/beadmin-nexus-public.gpg] https://nexus.beadmin.com/repository/beadmin/ stable main" > /etc/apt/sources.list.d/beadmin.list
apt update
apt install -y --no-install-recommends beadmin && systemctl enable --now beadmin