#!/bin/bash
# --------------------------------------------------------------------------
# check_routing_sync.sh
# Runs via cron every minute to check if the admin dashboard requested
# a routing graph rebuild (due to a newly approved road).
# --------------------------------------------------------------------------

APP_DIR="/home/hamzadoctor/app"
cd "${APP_DIR}"

# Read flag from Redis using the redis container
SYNC_REQ=$(docker compose exec -T redis redis-cli get routing_sync_requested | tr -d '\r')

if [ "$SYNC_REQ" = "1" ] || [ "$SYNC_REQ" = "\"1\"" ]; then
    echo "$(date): Sync requested! Triggering delta apply and GH rebuild..."
    
    # 1. Delete the flag immediately so we don't trigger it again
    docker compose exec -T redis redis-cli del routing_sync_requested
    
    # 2. Apply delta
    if [ -f "${APP_DIR}/infrastructure/scripts/apply-delta.sh" ]; then
        bash "${APP_DIR}/infrastructure/scripts/apply-delta.sh"
    fi
    
    # 3. Restart GraphHopper to rebuild index
    docker compose stop routing
    rm -rf "${APP_DIR}/infrastructure/osm-data/graph-cache" "${APP_DIR}/infrastructure/osm-data/default-gh"
    docker compose up -d routing
    
    echo "$(date): Routing rebuild triggered successfully."
fi