#!/usr/bin/env bash
set -euo pipefail

CONTAINER="db"
DB_USER="postgres"
DB_NAME="postgres"

if ! docker inspect --format='{{.State.Running}}' "$CONTAINER" 2>/dev/null | grep -q true; then
  echo "ERROR: container '$CONTAINER' is not running" >&2
  exit 1
fi

echo "Ensuring indexes on '$DB_NAME' in container '$CONTAINER'..."

docker exec -i "$CONTAINER" psql -U "$DB_USER" -d "$DB_NAME" <<'SQL'
\set ON_ERROR_STOP on

CREATE INDEX IF NOT EXISTS idx_gateways_mac          ON gateways(mac);
CREATE INDEX IF NOT EXISTS idx_tracker_zones_tracker ON tracker_zones(tracker);
CREATE INDEX IF NOT EXISTS idx_tracks_gateway        ON tracks(gateway);
CREATE INDEX IF NOT EXISTS idx_tracks_tracker        ON tracks(tracker);
CREATE INDEX IF NOT EXISTS idx_tracks_uuid_ts        ON tracks(uuid, timestamp);
CREATE INDEX IF NOT EXISTS idx_tracks_tracker_ts     ON tracks(tracker, timestamp);

\echo 'Done.'
SQL