#!/bin/bash

# Production Stop Script for Trasabilitate Application
# This script stops 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 "${BLUE}🛑 Trasabilitate Application - Production Stop${NC}"
echo "=============================================="

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

if [[ ! -f "$PID_FILE" ]]; then
    print_warning "No PID file found. Server may not be running."
    echo "PID file location: $PID_FILE"
    exit 1
fi

PID=$(cat "$PID_FILE")

if ps -p "$PID" > /dev/null 2>&1; then
    echo "Stopping Trasabilitate application (PID: $PID)..."
    
    # Send SIGTERM first (graceful shutdown)
    kill "$PID"
    
    # Wait for graceful shutdown
    sleep 3
    
    # Check if still running
    if ps -p "$PID" > /dev/null 2>&1; then
        print_warning "Process still running, sending SIGKILL..."
        kill -9 "$PID"
        sleep 1
    fi
    
    # Check if process is finally stopped
    if ! ps -p "$PID" > /dev/null 2>&1; then
        print_success "Application stopped successfully"
        rm -f "$PID_FILE"
    else
        print_error "Failed to stop application (PID: $PID)"
        exit 1
    fi
else
    print_warning "Process $PID not found. Cleaning up PID file..."
    rm -f "$PID_FILE"
    print_success "PID file cleaned up"
fi

echo ""
print_success "Trasabilitate application has been stopped"