#!/bin/bash
#
# Start CLIP vector service (clip-server) in an independent environment.
#
# This service is designed to be a drop-in alternative to the local
# `embeddings` service, but runs in its own Python environment and depends
# on `jina` via `clip-server`.
#
set -e

cd "$(dirname "$0")/.."

LOG_DIR="$(pwd)/logs"
mkdir -p "${LOG_DIR}"
PID_FILE="${LOG_DIR}/clip_service.pid"
LOG_FILE="${LOG_DIR}/clip_service.log"

echo "========================================"
echo "Starting CLIP vector service (clip-server)"
echo "========================================"

# Load conda and activate dedicated environment, if available
CONDA_ROOT="${CONDA_ROOT:-/home/tw/miniconda3}"
if [ -f "$CONDA_ROOT/etc/profile.d/conda.sh" ]; then
  # shellcheck disable=SC1091
  source "$CONDA_ROOT/etc/profile.d/conda.sh"
  conda activate clip_service || {
    echo "Failed to activate conda env 'clip_service'. Please create it first." >&2
    echo "See CLIP_SERVICE_README.md for setup instructions." >&2
    exit 1
  }
else
  echo "Warning: $CONDA_ROOT/etc/profile.d/conda.sh not found." >&2
  echo "Please activate the 'clip_service' environment manually before running this script." >&2
fi

if [ -f "${PID_FILE}" ]; then
  EXISTING_PID="$(cat "${PID_FILE}")"
  if ps -p "${EXISTING_PID}" > /dev/null 2>&1; then
    echo "clip-server already appears to be running with PID ${EXISTING_PID}."
    echo "If this is incorrect, remove ${PID_FILE} and try again."
    exit 0
  else
    echo "Stale PID file found at ${PID_FILE}, removing..."
    rm -f "${PID_FILE}"
  fi
fi

echo "Log file: ${LOG_FILE}"
echo "PID file: ${PID_FILE}"
echo
echo "Starting clip-server in background..."

nohup python -m clip_server > "${LOG_FILE}" 2>&1 &
SERVICE_PID=$!
echo "${SERVICE_PID}" > "${PID_FILE}"

echo "clip-server started with PID ${SERVICE_PID}."
echo "You can check logs with:"
echo "  tail -f ${LOG_FILE}"