#!/usr/bin/env bash
# Bring a machine to the state av-club needs, then prove it by running verify.sh.
#
# Idempotent: apt-get install on an already-installed package is a no-op, so re-running this is safe
# and is the intended way to check a machine is still correct.

set -euo pipefail

REPO_ROOT="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"

# Everything the pipeline shells out to. Kept as one list so the README, the docs and this script
# cannot disagree about what an install consists of.
PACKAGES=(
  ffmpeg                  # ffmpeg + ffprobe: transcode, poster frames, probe duration/codec/size
  libimage-exiftool-perl  # exiftool: read and strip metadata — client photos carry GPS
  imagemagick             # convert + identify: odd formats, and inspecting a file by hand
  libvips-tools           # vipsthumbnail: the CLI side of the library sharp uses
  webp                    # cwebp + dwebp
  libavif-bin             # avifenc + avifdec
)

say()  { printf '\n\033[1m%s\033[0m\n' "$1"; }
warn() { printf '\033[33m%s\033[0m\n' "$1"; }
die()  { printf '\033[31m%s\033[0m\n' "$1" >&2; exit 1; }

say "Checking the machine"

[ -f /etc/os-release ] || die "No /etc/os-release — cannot tell what this machine is."
# shellcheck disable=SC1091
. /etc/os-release

echo "  ${PRETTY_NAME:-unknown}"

# Say so rather than guessing. The package names below are Debian/Ubuntu ones and would simply not
# exist elsewhere; failing here with a sentence beats failing later with "E: Unable to locate package".
if [ "${ID:-}" != "ubuntu" ] && [ "${ID_LIKE:-}" != *debian* ]; then
  die "This installer only knows apt-based systems. Install these by hand: ${PACKAGES[*]}"
fi
if [ "${VERSION_ID:-}" != "24.04" ]; then
  warn "  Verified on Ubuntu 24.04; this is ${VERSION_ID:-unknown}. Continuing — check the output."
fi

command -v bun >/dev/null 2>&1 || die "bun is not on PATH. See https://bun.sh"
echo "  bun $(bun --version)"

SUDO=""
if [ "$(id -u)" -ne 0 ]; then
  command -v sudo >/dev/null 2>&1 || die "Not root and no sudo available."
  SUDO="sudo"
fi

say "Installing system packages"
echo "  ${PACKAGES[*]}"
echo

# noninteractive so a package with a debconf prompt cannot hang an unattended run.
$SUDO env DEBIAN_FRONTEND=noninteractive apt-get update -qq
$SUDO env DEBIAN_FRONTEND=noninteractive apt-get install -y "${PACKAGES[@]}"

say "Installing bun dependencies"
(cd "$REPO_ROOT" && bun install)

say "Verifying"
"$REPO_ROOT/scripts/verify.sh"