#!/usr/bin/env bash
# Deploy a git ref to the shared server (dir /srv/ptsr). Used by hand and by CD (.gitea/workflows/deploy.yml).
#   infra/deploy/deploy.sh [git-ref]        default: origin/dev
# Env: DEPLOY_HOST (ssh host/alias, default `vobot`), DEPLOY_SSH_OPTS (extra ssh/scp options).
# Keeps /srv/ptsr/.env (secrets live only on the server) and the Postgres volume.
# The host drops some ssh connections (rate limiting) — every remote step is retried.
set -euo pipefail
REF=${1:-origin/dev}
HOST=${DEPLOY_HOST:-vobot}
OPTS=${DEPLOY_SSH_OPTS:-}
DIR=/srv/ptsr
git fetch -q origin 2>/dev/null || true
SHA=$(git rev-parse --short "$REF")
TGZ=$(mktemp --suffix=.tgz)
trap 'rm -f "$TGZ"' EXIT
git archive --format=tar.gz -o "$TGZ" "$REF"

retry() { local n=0; until "$@"; do n=$((n + 1)); [ $n -ge 5 ] && return 1; echo "retry $n: $1" >&2; sleep $((n * 10)); done; }

echo "deploy $REF ($SHA) -> $HOST:$DIR"
# shellcheck disable=SC2086
retry scp -q $OPTS "$TGZ" "$HOST:$DIR/release.tgz"
# shellcheck disable=SC2086
retry ssh $OPTS "$HOST" "bash -s" <<SH
set -euo pipefail
cd $DIR
rm -rf app.new && mkdir app.new && tar -xzf release.tgz -C app.new && rm -f release.tgz
cp .env app.new/.env
rm -rf app.old; [ -d app ] && mv app app.old; mv app.new app
chmod 755 $DIR
cd app
docker run --rm --user "\$(id -u):\$(id -g)" -e HOME=/tmp -e npm_config_cache=/tmp/.npm -v "\$PWD/web:/w" -w /w node:20-alpine sh -c "npm ci --no-audit --no-fund >/dev/null && npm run build >/dev/null"
docker compose -p ptsr -f docker-compose.yml -f infra/deploy/docker-compose.server.yml up -d --build </dev/null
for i in \$(seq 1 40); do curl -sf 127.0.0.1:8010/health >/dev/null && break; sleep 3; done
curl -sf 127.0.0.1:8010/health >/dev/null && echo "$SHA" > REVISION && echo "api ok @ $SHA"
SH