#!/bin/bash
set -euo pipefail

log() {
  echo "[ENTRYPOINT] $1"
}

log "Boot sequence started at $(date -u +"%Y-%m-%d %H:%M:%S UTC")"

# Debug installed transformers version to ensure modeling_layers exists
python - <<'PY'
import importlib.util, transformers
print(f"[ENTRYPOINT] transformers version: {transformers.__version__}")
spec = importlib.util.find_spec("transformers.modeling_layers")
print(f"[ENTRYPOINT] transformers.modeling_layers available: {bool(spec)}")
PY

if [[ -z "${DATABASE_URL:-}" ]]; then
  log "DATABASE_URL is empty -> Django will fallback to POSTGRES_* or SQLite"
else
  log "DATABASE_URL detected (length: ${#DATABASE_URL})"
fi

cd /app

log "Running migrations..."
python hue_portal/manage.py migrate --noinput
log "Migrations completed."

log "Ensuring cache table exists..."
python hue_portal/manage.py createcachetable
log "Cache table ready."

# Skip model preload to prevent CPU overload (models will load lazily on first request)
log "⏭️ Skipping model preload (CPU optimization - models will load on first request)"

log "Starting Gunicorn on port ${PORT:-7860}..."

exec gunicorn hue_portal.hue_portal.wsgi:application \
    --bind 0.0.0.0:${PORT:-7860} \
    --timeout 600 \
    --workers 1 \
    --worker-class sync