#!/bin/bash

# Production Status Script for Trasabilitate Application
# This script shows the current status of the Gunicorn WSGI server

# Colors for output
RED='\033[0;31m'
GREEN='\033[0;32m'
YELLOW='\033[1;33m'
BLUE='\033[0;34m'
NC='\033[0m' # No Color

print_success() {
    echo -e "${GREEN}✅ $1${NC}"
}

print_warning() {
    echo -e "${YELLOW}⚠️  $1${NC}"
}

print_error() {
    echo -e "${RED}❌ $1${NC}"
}

echo -e "${BLUE}📊 Trasabilitate Application - Status Check${NC}"
echo "=============================================="

PID_FILE="../run/trasabilitate.pid"

if [[ ! -f "$PID_FILE" ]]; then
    print_error "Application is not running (no PID file found)"
    echo "To start the application, run: ./start_production.sh"
    exit 1
fi

PID=$(cat "$PID_FILE")

if ps -p "$PID" > /dev/null 2>&1; then
    print_success "Application is running (PID: $PID)"
    echo ""
    echo "📋 Process Information:"
    ps -p "$PID" -o pid,ppid,pcpu,pmem,etime,cmd --no-headers | while read line; do
        echo "   $line"
    done
    echo ""
    echo "🌐 Server Information:"
    echo "   • Listening on: 0.0.0.0:8781"
    echo "   • Local URL:    http://127.0.0.1:8781"
    echo "   • Network URL:  http://$(hostname -I | awk '{print $1}'):8781"
    echo ""
    echo "📁 Log Files:"
    echo "   • Access Log: /srv/quality_recticel/logs/access.log"
    echo "   • Error Log:  /srv/quality_recticel/logs/error.log"
    echo ""
    echo "🔧 Quick Commands:"
    echo "   • Stop server:     ./stop_production.sh"
    echo "   • Restart server:  ./stop_production.sh && ./start_production.sh"
    echo "   • View error log:  tail -f /srv/quality_recticel/logs/error.log"
    echo "   • View access log: tail -f /srv/quality_recticel/logs/access.log"
    echo ""
    
    # Check if the web server is responding
    if command -v curl > /dev/null 2>&1; then
        echo "🌐 Connection Test:"
        if curl -s -o /dev/null -w "%{http_code}" http://127.0.0.1:8781 | grep -q "200\|302\|401"; then
            print_success "Web server is responding"
        else
            print_warning "Web server may not be responding properly"
        fi
    fi
    
else
    print_error "Process $PID not found (stale PID file)"
    print_warning "Cleaning up stale PID file..."
    rm -f "$PID_FILE"
    echo "To start the application, run: ./start_production.sh"
    exit 1
fi