#!/bin/bash
# Idempotent redeploy for LoVisual. Run as: /opt/lovisual/deploy.sh
set -euo pipefail

REPO_DIR=/opt/lovisual
FRONTEND_ROOT=/var/www/visual.loki-code.dev/html

cd "$REPO_DIR"
git pull --ff-only

echo "==> Building backend images (one at a time: the first builds the shared Rust builder stage, the rest reuse it)"
cd "$REPO_DIR/backend"
COMPOSE_PARALLEL_LIMIT=1 docker compose -f docker-compose.prod.yml build

echo "==> (Re)starting backend services"
docker compose -f docker-compose.prod.yml up -d

echo "==> Trimming the build cache (keeps the cargo/target cache mounts warm, caps disk use)"
docker builder prune -f --keep-storage 8GB >/dev/null || true

echo "==> Building frontend"
cd "$REPO_DIR/frontend"
bun install --frozen-lockfile
bun run build

echo "==> Syncing frontend build to $FRONTEND_ROOT"
mkdir -p "$FRONTEND_ROOT"
rsync -a --delete dist/ "$FRONTEND_ROOT/"

echo "==> Reloading nginx"
nginx -t
systemctl reload nginx

echo "==> Done"
docker compose -f "$REPO_DIR/backend/docker-compose.prod.yml" ps