#!/usr/bin/env bash
# Deploy script for CC Dashboard on optical-dev.oliver.solutions
# Run ON the server: ssh optical-dev "cd /opt/cc-dashboard && bash deploy.sh"
set -euo pipefail

COMPOSE="docker compose -f /opt/cc-dashboard/docker-compose.yml"

log()  { echo "[$(date '+%H:%M:%S')] $*"; }
die()  { echo "[ERROR] $*" >&2; exit 1; }
pass() { echo "[OK]    $*"; }

cd /opt/cc-dashboard || die "Cannot cd to /opt/cc-dashboard"

# ── 1. Pull latest code ──────────────────────────────────────────────────────
log "Pulling latest code from origin/main..."
git fetch origin
git reset --hard origin/main
pass "Code updated: $(git log --oneline -1)"

# ── 2. Rebuild app image ─────────────────────────────────────────────────────
log "Building app image (Python deps + code)..."
$COMPOSE build app
pass "Image built."

# ── 3. Restart app (alembic upgrade runs automatically in CMD) ───────────────
# DB container is NOT touched — data in pgdata volume is preserved.
log "Restarting app container..."
$COMPOSE up -d --no-deps app
pass "Container restarted. Alembic migrations run on container start."

# ── 4. Wait and verify ───────────────────────────────────────────────────────
log "Waiting for app to become healthy..."
for i in $(seq 1 20); do
  if curl -fs http://localhost:8800/cc-dashboard/healthz > /dev/null 2>&1; then
    pass "Healthcheck OK after ${i}s."
    break
  fi
  sleep 1
  if [[ $i -eq 20 ]]; then
    log "Healthcheck timeout — showing last 40 lines of logs:"
    $COMPOSE logs --tail=40 app
    die "App did not start in time."
  fi
done

# ── 5. Tail recent logs ──────────────────────────────────────────────────────
log "Recent app logs:"
$COMPOSE logs --tail=20 app

log "Deploy complete. App at http://optical-dev.oliver.solutions:8800/cc-dashboard/"