#!/usr/bin/env bash
# The hall's nightly work for every game on this host, with one Sentry Crons
# check-in for the lot: the rollups just after midnight, the backups at
# breakfast. Each game's own script does its work and says by its exit
# status whether it managed; the games are found by their scripts in
# /usr/local/bin, so a game deployed here is covered without being listed.
#   hall-nightly.sh rollup|backup
#   Cron: /etc/cron.d/gamehall, installed by gamehall/deploy.sh. SCHEDULE
#   below must match it, because Sentry is told the same shape.
#   Sentry Crons check-in: /root/.hall-sentry-cron-<job> holds the check-in
#   URL (absent = no check-ins).
set -u
JOB="${1:-}"
case "$JOB" in
  rollup) SCHEDULE="12 0 * * *" ;;
  backup) SCHEDULE="23 7 * * *" ;;
  *) echo "usage: hall-nightly.sh rollup|backup" >&2; exit 2 ;;
esac
LOG="/var/log/gamehall/nightly.log"
CRON_URL=$(cat "/root/.hall-sentry-cron-$JOB" 2>/dev/null || true)
# One check-in, when the run ends, carrying its duration and the schedule
# (Sentry keeps a monitor only once told its shape). A start and a finish
# sent seconds apart can reach Sentry in either order, and a start that lands
# second is never closed. A run that never ends sends nothing, and Sentry
# marks the night missed.
START=$SECONDS
checkin() {
  [ -n "$CRON_URL" ] && curl -sf -o /dev/null -X POST -H "Content-Type: application/json" \
    -d "{\"status\":\"$1\",\"duration\":$((SECONDS - START)),\"monitor_config\":{\"schedule\":{\"type\":\"crontab\",\"value\":\"$SCHEDULE\"},\"checkin_margin\":30,\"max_runtime\":30,\"timezone\":\"UTC\"}}" \
    "$CRON_URL" || true
}
mkdir -p "$(dirname "$LOG")"

# The hall's own count first, then each game's script, in name order.
scripts=()
[ "$JOB" = rollup ] && scripts+=(/usr/local/bin/gamehall-rollup.sh)
for s in /usr/local/bin/*-"$JOB".sh; do
  [ "$s" = /usr/local/bin/gamehall-rollup.sh ] || scripts+=("$s")
done
failed=()
for s in "${scripts[@]}"; do
  name=$(basename "$s" "-$JOB.sh")
  "$s" || failed+=("$name")
done
if [ ${#failed[@]} -eq 0 ]; then
  echo "$(date -Is) $JOB: ${#scripts[@]} done" >> "$LOG"
  checkin ok
else
  echo "$(date -Is) $JOB: ${#scripts[@]} run, failed: ${failed[*]}" >> "$LOG"
  checkin error
  exit 1
fi