#!/bin/bash

# Sky Art Shop Deployment Verification Script
# This script verifies that the website is running correctly

echo "============================================"
echo "Sky Art Shop - Deployment Verification"
echo "============================================"
echo ""

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

# Function to check service status
check_service() {
    local service=$1
    if systemctl is-active --quiet $service; then
        echo -e "${GREEN}✓${NC} $service is running"
        return 0
    else
        echo -e "${RED}✗${NC} $service is NOT running"
        return 1
    fi
}

# Function to check port
check_port() {
    local port=$1
    local service=$2
    if ss -tlnp | grep -q ":$port "; then
        echo -e "${GREEN}✓${NC} Port $port is listening ($service)"
        return 0
    else
        echo -e "${RED}✗${NC} Port $port is NOT listening ($service)"
        return 1
    fi
}

# 1. Check Services
echo "1. Checking Services Status..."
echo "-----------------------------------"
check_service mongod
check_service nginx
check_service skyartshop.service
echo ""

# 2. Check Ports
echo "2. Checking Ports..."
echo "-----------------------------------"
check_port 27017 "MongoDB"
check_port 80 "Nginx"
check_port 5000 "SkyArtShop App"
echo ""

# 3. Check MongoDB Connection
echo "3. Checking MongoDB Connection..."
echo "-----------------------------------"
if mongosh --eval "db.adminCommand('ping')" --quiet > /dev/null 2>&1; then
    echo -e "${GREEN}✓${NC} MongoDB is accessible"
    
    # Check SkyArtShopDB
    if mongosh --eval "use SkyArtShopDB; db.stats()" --quiet > /dev/null 2>&1; then
        echo -e "${GREEN}✓${NC} SkyArtShopDB database exists"
        
        # Count collections
        COLLECTIONS=$(mongosh SkyArtShopDB --eval "db.getCollectionNames().length" --quiet)
        echo -e "${GREEN}✓${NC} Found $COLLECTIONS collections in database"
        
        # Show collection counts
        echo ""
        echo "   Collection Data:"
        mongosh SkyArtShopDB --eval "
            print('   - Products: ' + db.Products.countDocuments());
            print('   - Pages: ' + db.Pages.countDocuments());
            print('   - MenuItems: ' + db.MenuItems.countDocuments());
            print('   - Users: ' + db.Users.countDocuments());
            print('   - SiteSettings: ' + db.SiteSettings.countDocuments());
            print('   - HomepageSections: ' + db.HomepageSections.countDocuments());
            print('   - PortfolioCategories: ' + db.PortfolioCategories.countDocuments());
        " --quiet 2>/dev/null
    else
        echo -e "${RED}✗${NC} SkyArtShopDB database not found"
    fi
else
    echo -e "${RED}✗${NC} Cannot connect to MongoDB"
fi
echo ""

# 4. Check Web Application
echo "4. Checking Web Application..."
echo "-----------------------------------"
HTTP_CODE=$(curl -s -o /dev/null -w "%{http_code}" http://localhost)
if [ "$HTTP_CODE" = "200" ]; then
    echo -e "${GREEN}✓${NC} Website is responding (HTTP $HTTP_CODE)"
else
    echo -e "${RED}✗${NC} Website returned HTTP $HTTP_CODE"
fi

# Test admin login page
ADMIN_CODE=$(curl -s -o /dev/null -w "%{http_code}" http://localhost/admin)
if [ "$ADMIN_CODE" = "200" ] || [ "$ADMIN_CODE" = "302" ]; then
    echo -e "${GREEN}✓${NC} Admin panel is accessible"
else
    echo -e "${YELLOW}!${NC} Admin panel returned HTTP $ADMIN_CODE"
fi
echo ""

# 5. Check Network Configuration
echo "5. Network Configuration..."
echo "-----------------------------------"
IP_ADDRESS=$(hostname -I | awk '{print $1}')
echo -e "${GREEN}✓${NC} Server IP: $IP_ADDRESS"

# Check nginx configuration
NGINX_SERVER_NAME=$(grep -E "^\s*server_name" /etc/nginx/sites-enabled/skyartshop 2>/dev/null | awk '{print $2}' | tr -d ';')
if [ -z "$NGINX_SERVER_NAME" ] || [ "$NGINX_SERVER_NAME" = "_" ]; then
    echo -e "${YELLOW}!${NC} Nginx is configured for ANY domain (server_name _)"
    echo "   Access via: http://$IP_ADDRESS"
else
    echo -e "${GREEN}✓${NC} Nginx configured for: $NGINX_SERVER_NAME"
    echo "   Access via: http://$NGINX_SERVER_NAME"
fi
echo ""

# 6. Check Application Files
echo "6. Application Files..."
echo "-----------------------------------"
if [ -f "/var/www/SkyArtShop/publish/SkyArtShop.dll" ]; then
    echo -e "${GREEN}✓${NC} Application binary exists"
else
    echo -e "${RED}✗${NC} Application binary NOT found"
fi

if [ -f "/var/www/SkyArtShop/appsettings.Production.json" ]; then
    echo -e "${GREEN}✓${NC} Production settings exist"
else
    echo -e "${RED}✗${NC} Production settings NOT found"
fi

UPLOAD_DIR="/var/www/SkyArtShop/wwwroot/uploads"
if [ -d "$UPLOAD_DIR" ]; then
    UPLOAD_COUNT=$(find $UPLOAD_DIR -type f 2>/dev/null | wc -l)
    echo -e "${GREEN}✓${NC} Uploads directory exists ($UPLOAD_COUNT files)"
else
    echo -e "${YELLOW}!${NC} Uploads directory not found"
fi
echo ""

# 7. Recent Application Logs
echo "7. Recent Application Logs..."
echo "-----------------------------------"
if journalctl -u skyartshop.service -n 5 --no-pager 2>/dev/null | tail -5; then
    echo ""
else
    echo -e "${YELLOW}!${NC} Unable to read application logs"
fi

# Summary
echo ""
echo "============================================"
echo "Verification Complete!"
echo "============================================"
echo ""
echo "Access your website at:"
echo "  - http://$IP_ADDRESS"
if [ ! -z "$NGINX_SERVER_NAME" ] && [ "$NGINX_SERVER_NAME" != "_" ]; then
    echo "  - http://$NGINX_SERVER_NAME"
fi
echo ""
echo "Admin Panel:"
echo "  - http://$IP_ADDRESS/admin"
echo ""