#!/bin/env bash
# Upstream doc: https://docs.joinmastodon.org/admin/install/
set -euxo pipefail

IMAGE="ubuntu/24.04"
DIST="${IMAGE%%/*}"
VER="${IMAGE#*/}"
VER="${VER%/*}"
VER="${VER//./-}"
UPSTREAM_VER="4.3.0"
UPSTREAM_VER_DASH="${UPSTREAM_VER//./-}"
UPSTREAM_NAME="mastodon"
SERIAL="1benoitjpnet"
CNAME="$UPSTREAM_NAME-$UPSTREAM_VER_DASH-$SERIAL-$DIST-$VER"
ALIAS="$UPSTREAM_NAME-$UPSTREAM_VER-$SERIAL"

cd "$WORKSPACE"
incus launch images:$IMAGE "$CNAME" --quiet

# Wait for network
timeout 30 bash -c "until incus exec $CNAME -- ping -c1 google.com &>/dev/null; do sleep 1; done"

# Mastodon
incus exec "$CNAME" -- bash -c '
  apt update && \
  apt upgrade -y && \
  apt install -y --no-install-recommends \
    curl \
    wget \
    gnupg \
    apt-transport-https \
    lsb-release \
    ca-certificates
'
incus file push "$WORKSPACE"/{setup.sh,setup_mastodon.sh} "$CNAME"/tmp/
incus exec "$CNAME" -- bash /tmp/setup.sh
incus exec "$CNAME" \
  --user 1001 \
  --env HOME=/home/mastodon \
  --force-noninteractive \
  -- bash /tmp/setup_mastodon.sh
incus file push "$WORKSPACE"/postgresql.conf "$CNAME"/etc/postgresql/17/main/postgresql.conf

# Clean
incus exec "$CNAME" -- \
  rm -rf \
    /etc/machine-id \
    /var/cache/apt \
    /var/log/journal

# Publish
incus stop "$CNAME"
incus config metadata show "$CNAME" > "$ARCHIVE"/metadata.yaml
# Get the current Unix timestamp
current_timestamp=$(date +%s)
# Calculate expiry date as current timestamp + 1 week (604800 seconds)
expiry_date=$((current_timestamp + 604800))
# Update metadata values
sed -i \
  -e "s/creation_date: .*/creation_date: $current_timestamp/" \
  -e "s/expiry_date: .*/expiry_date: $expiry_date/" \
  -e "s#description: .*#description: $UPSTREAM_NAME v$UPSTREAM_VER on $IMAGE release $SERIAL#" \
  -e "s/name: .*/name: $CNAME/" \
  -e "s/serial: .*/serial: $SERIAL/" \
  "$ARCHIVE"/metadata.yaml

incus config metadata edit "$CNAME" < "$ARCHIVE"/metadata.yaml
incus publish "$CNAME" \
  --alias $ALIAS \
  --public \
  --quiet
incus rm "$CNAME"