#!/bin/bash
# Scan Bridge Service Manager
# Usage: ./scan_bridge_restart.sh [start|stop|restart|status]

SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
LOG_FILE="/tmp/scan_bridge.log"
PID_FILE="/tmp/scan_bridge.pid"

# Activate environment
source /home/dolphin/siloqy_env/bin/activate

case "$1" in
    start)
        if [ -f "$PID_FILE" ] && kill -0 $(cat "$PID_FILE") 2>/dev/null; then
            echo "Scan bridge already running (PID: $(cat $PID_FILE))"
            exit 0
        fi
        
        echo "Starting scan bridge..."
        cd "$SCRIPT_DIR"
        nohup python3 scan_bridge_service.py > "$LOG_FILE" 2>&1 &
        echo $! > "$PID_FILE"
        sleep 2
        
        if kill -0 $(cat "$PID_FILE") 2>/dev/null; then
            echo "✓ Started (PID: $(cat $PID_FILE))"
        else
            echo "✗ Failed to start"
            rm -f "$PID_FILE"
        fi
        ;;
        
    stop)
        if [ -f "$PID_FILE" ]; then
            PID=$(cat "$PID_FILE")
            if kill -0 "$PID" 2>/dev/null; then
                echo "Stopping scan bridge (PID: $PID)..."
                kill "$PID"
                sleep 2
                rm -f "$PID_FILE"
                echo "✓ Stopped"
            else
                echo "Process not running"
                rm -f "$PID_FILE"
            fi
        else
            echo "No PID file found, killing any scan_bridge processes..."
            pkill -f "scan_bridge_service.py" 2>/dev/null
            echo "✓ Stopped"
        fi
        ;;
        
    restart)
        $0 stop
        sleep 1
        $0 start
        ;;
        
    status)
        if [ -f "$PID_FILE" ]; then
            PID=$(cat "$PID_FILE")
            if kill -0 "$PID" 2>/dev/null; then
                echo "✓ Scan bridge running (PID: $PID)"
                echo "  Uptime: $(ps -o etime= -p $PID 2>/dev/null | tr -d ' ')"
                echo "  Log: $LOG_FILE"
            else
                echo "✗ Process dead (stale PID file)"
                rm -f "$PID_FILE"
            fi
        else
            if pgrep -f "scan_bridge_service.py" > /dev/null 2>&1; then
                echo "⚠ Running but no PID file"
            else
                echo "✗ Not running"
            fi
        fi
        
        # Show last log entries
        if [ -f "$LOG_FILE" ]; then
            echo ""
            echo "Last 3 log entries:"
            tail -3 "$LOG_FILE" | grep -E "(Pushed|ACTIVE|ERROR)"
        fi
        ;;
        
    *)
        echo "Usage: $0 [start|stop|restart|status]"
        exit 1
        ;;
esac