#!/bin/bash

LOG_FILE="/Users/mattbruce/.openclaw/workspace/logs/app_monitor.log"
TIMESTAMP=$(date '+%Y-%m-%d %H:%M:%S')

echo "[$TIMESTAMP] === Starting Web App Monitor ===" | tee -a "$LOG_FILE"

# Port to project mapping (arrays for bash 3 compatibility)
PORTS=(3000 3003 3005)
PATHS=(
  "/Users/mattbruce/Documents/Projects/OpenClaw/Web/gantt-board"
  "/Users/mattbruce/Documents/Projects/OpenClaw/Web/blog-backup"
  "/Users/mattbruce/Documents/Projects/OpenClaw/Web/heartbeat-monitor"
)

# Track which needed restart
NEEDS_RESTART=()

# Function to check if port is responding
check_port() {
    local port=$1
    local url="http://localhost:$port"
    
    # Use curl with timeout and follow redirects
    response=$(curl -s -o /dev/null -w "%{http_code}" --max-time 5 "$url" 2>/dev/null)
    
    if [ "$response" == "200" ]; then
        echo "[$TIMESTAMP] ✓ Port $port - HTTP 200 OK" | tee -a "$LOG_FILE"
        return 0
    else
        echo "[$TIMESTAMP] ✗ Port $port - DOWN (response: $response)" | tee -a "$LOG_FILE"
        return 1
    fi
}

# Function to kill process on port
kill_port() {
    local port=$1
    echo "[$TIMESTAMP]   → Killing process on port $port..." | tee -a "$LOG_FILE"
    
    # Find and kill process using the port
    pids=$(lsof -ti:$port 2>/dev/null)
    if [ -n "$pids" ]; then
        echo "[$TIMESTAMP]   → Found PIDs: $pids" | tee -a "$LOG_FILE"
        kill -9 $pids 2>/dev/null
        sleep 2
        echo "[$TIMESTAMP]   → Killed processes on port $port" | tee -a "$LOG_FILE"
    else
        echo "[$TIMESTAMP]   → No process found on port $port" | tee -a "$LOG_FILE"
    fi
}

# Function to restart app
restart_app() {
    local port=$1
    local project_path=$2
    
    echo "[$TIMESTAMP]   → Restarting app on port $port..." | tee -a "$LOG_FILE"
    echo "[$TIMESTAMP]   → Path: $project_path" | tee -a "$LOG_FILE"
    
    cd "$project_path" && nohup npm run dev -- --port $port > /dev/null 2>&1 &
    
    NEEDS_RESTART+=("$port")
}

# Check all ports and restart if needed
for i in "${!PORTS[@]}"; do
    port="${PORTS[$i]}"
    path="${PATHS[$i]}"
    
    if ! check_port $port; then
        kill_port $port
        restart_app $port "$path"
    fi
done

# If any were restarted, wait and verify
if [ ${#NEEDS_RESTART[@]} -gt 0 ]; then
    echo "[$TIMESTAMP] Waiting 5 seconds for apps to start..." | tee -a "$LOG_FILE"
    sleep 5
    
    echo "[$TIMESTAMP] === Post-Restart Verification ===" | tee -a "$LOG_FILE"
    for port in "${PORTS[@]}"; do
        if ! check_port $port; then
            echo "[$TIMESTAMP] ⚠ Port $port still not responding after restart" | tee -a "$LOG_FILE"
        fi
    done
else
    echo "[$TIMESTAMP] All apps healthy, no restart needed" | tee -a "$LOG_FILE"
fi

echo "[$TIMESTAMP] === Monitor Complete ===" | tee -a "$LOG_FILE"
echo "" | tee -a "$LOG_FILE"