#!/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 -- 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