delete-project.sh

#!/bin/bash

# Delete Project Script
# Removes Git repository, work tree, and Nginx configuration for a project

set -e

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

# Function to print colored messages
print_info() {
    echo -e "${GREEN}[INFO]${NC} $1"
}

print_error() {
    echo -e "${RED}[ERROR]${NC} $1"
}

print_warning() {
    echo -e "${YELLOW}[WARNING]${NC} $1"
}

print_step() {
    echo -e "${BLUE}[STEP]${NC} $1"
}

# Check if running as root
if [ "$EUID" -eq 0 ]; then
    print_error "Please do not run this script as root or with sudo"
    exit 1
fi

# Check if script is run with required arguments
if [ "$#" -lt 2 ]; then
    print_error "Usage: $0 <project-name> <domain-name> [git-dir] [work-tree]"
    echo ""
    echo "Arguments:"
    echo "  project-name  : Name of your project"
    echo "  domain-name   : Domain name for Nginx"
    echo "  git-dir       : Optional custom Git directory (default: /home/$USER/workspace/git/<project-name>)"
    echo ""
    echo "Example: $0 myapp example.com"
    echo "Example: $0 myapp example.com /home/$USER/custom/git/myapp"
    exit 1
fi

PROJECT_NAME="$1"
DOMAIN_NAME="$2"
GIT_DIR="${3:-/home/$USER/workspace/git/${PROJECT_NAME}}"
WORK_TREE="/usr/share/nginx/${PROJECT_NAME}"
HTML_SYMLINK="/home/$USER/workspace/html/${PROJECT_NAME}"
NGINX_CONF="/etc/nginx/sites-available/${DOMAIN_NAME}"
NGINX_ENABLED="/etc/nginx/sites-enabled/${DOMAIN_NAME}"
INFO_FILE="/home/${USER}/${PROJECT_NAME}_setup_info.txt"

echo ""
print_warning "=== Delete Project ==="
echo ""
echo "  Project Name  : ${PROJECT_NAME}"
echo "  Domain Name   : ${DOMAIN_NAME}"
echo "  Git Directory : ${GIT_DIR}"
echo "  Work Tree     : ${WORK_TREE}"
echo "  HTML Symlink  : ${HTML_SYMLINK}"
echo "  Nginx Config  : ${NGINX_CONF}"
echo "  Info File     : ${INFO_FILE}"
echo ""

# Check what exists
echo "Checking existing resources..."
echo ""

EXISTS_GIT=false
EXISTS_WORK=false
EXISTS_SYMLINK=false
EXISTS_NGINX_CONF=false
EXISTS_NGINX_ENABLED=false
EXISTS_INFO=false

if [ -d "${GIT_DIR}" ]; then
    print_warning "✓ Git directory exists: ${GIT_DIR}"
    EXISTS_GIT=true
else
    print_info "✗ Git directory not found: ${GIT_DIR}"
fi

if [ -d "${WORK_TREE}" ]; then
    print_warning "✓ Work tree exists: ${WORK_TREE}"
    EXISTS_WORK=true
else
    print_info "✗ Work tree not found: ${WORK_TREE}"
fi

if [ -L "${HTML_SYMLINK}" ] || [ -e "${HTML_SYMLINK}" ]; then
    print_warning "✓ HTML symlink exists: ${HTML_SYMLINK}"
    EXISTS_SYMLINK=true
else
    print_info "✗ HTML symlink not found: ${HTML_SYMLINK}"
fi

if [ -f "${NGINX_CONF}" ]; then
    print_warning "✓ Nginx config exists: ${NGINX_CONF}"
    EXISTS_NGINX_CONF=true
else
    print_info "✗ Nginx config not found: ${NGINX_CONF}"
fi

if [ -L "${NGINX_ENABLED}" ] || [ -f "${NGINX_ENABLED}" ]; then
    print_warning "✓ Nginx enabled link exists: ${NGINX_ENABLED}"
    EXISTS_NGINX_ENABLED=true
else
    print_info "✗ Nginx enabled link not found: ${NGINX_ENABLED}"
fi

if [ -f "${INFO_FILE}" ]; then
    print_warning "✓ Setup info file exists: ${INFO_FILE}"
    EXISTS_INFO=true
else
    print_info "✗ Setup info file not found: ${INFO_FILE}"
fi

echo ""

# Check if anything exists
if ! $EXISTS_GIT && ! $EXISTS_WORK && ! $EXISTS_SYMLINK && ! $EXISTS_NGINX_CONF && ! $EXISTS_NGINX_ENABLED && ! $EXISTS_INFO; then
    print_info "No resources found for project '${PROJECT_NAME}'. Nothing to delete."
    exit 0
fi

# Confirm deletion
print_warning "WARNING: This will permanently delete all project files and configuration!"
print_warning "This action cannot be undone."
echo ""
read -p "Are you sure you want to delete this project? (yes/NO): " -r
echo

if [[ ! $REPLY =~ ^[Yy][Ee][Ss]$ ]]; then
    print_info "Deletion cancelled."
    exit 0
fi

# Double confirmation
echo ""
print_warning "FINAL CONFIRMATION"
read -p "Type the project name '${PROJECT_NAME}' to confirm deletion: " -r
echo

if [[ "$REPLY" != "$PROJECT_NAME" ]]; then
    print_error "Project name does not match. Deletion cancelled."
    exit 1
fi

echo ""
print_info "Starting deletion process..."
echo ""

STEP=1

# Disable Nginx site
if $EXISTS_NGINX_ENABLED; then
    print_step "${STEP}. Disabling Nginx site..."
    if sudo rm -f "${NGINX_ENABLED}"; then
        print_info "Nginx site disabled"
    else
        print_error "Failed to disable Nginx site"
    fi
    ((STEP++))
fi

# Remove Nginx configuration
if $EXISTS_NGINX_CONF; then
    print_step "${STEP}. Removing Nginx configuration..."
    if sudo rm -f "${NGINX_CONF}"; then
        print_info "Nginx configuration removed"
    else
        print_error "Failed to remove Nginx configuration"
    fi
    ((STEP++))
fi

# Test and reload Nginx if any Nginx changes were made
if $EXISTS_NGINX_CONF || $EXISTS_NGINX_ENABLED; then
    print_step "${STEP}. Testing Nginx configuration..."
    if sudo nginx -t; then
        print_info "Nginx configuration is valid"
        print_step "$((STEP + 1)). Reloading Nginx..."
        if sudo systemctl reload nginx; then
            print_info "Nginx reloaded successfully"
        else
            print_warning "Failed to reload Nginx. You may need to reload it manually."
        fi
    else
        print_warning "Nginx configuration test failed. You may need to check Nginx manually."
    fi
    ((STEP+=2))
fi

# Remove symlink
if $EXISTS_SYMLINK; then
    print_step "${STEP}. Removing HTML symlink..."
    if rm -f "${HTML_SYMLINK}"; then
        print_info "HTML symlink removed: ${HTML_SYMLINK}"
    else
        print_error "Failed to remove HTML symlink"
    fi
    ((STEP++))
fi

# Remove work tree
if $EXISTS_WORK; then
    print_step "${STEP}. Removing work tree..."
    if sudo rm -rf "${WORK_TREE}"; then
        print_info "Work tree removed: ${WORK_TREE}"
    else
        print_error "Failed to remove work tree"
    fi
    ((STEP++))
fi

# Remove Git repository
if $EXISTS_GIT; then
    print_step "${STEP}. Removing Git repository..."
    if rm -rf "${GIT_DIR}"; then
        print_info "Git repository removed: ${GIT_DIR}"
    else
        print_error "Failed to remove Git repository"
    fi
    ((STEP++))
fi

# Remove setup info file
if $EXISTS_INFO; then
    print_step "${STEP}. Removing setup info file..."
    if rm -f "${INFO_FILE}"; then
        print_info "Setup info file removed: ${INFO_FILE}"
    else
        print_error "Failed to remove setup info file"
    fi
    ((STEP++))
fi

# Check for SSL certificates
echo ""
print_info "Checking for SSL certificates..."
if sudo certbot certificates 2>/dev/null | grep -q "${DOMAIN_NAME}"; then
    print_warning "SSL certificate found for ${DOMAIN_NAME}"
    echo ""
    read -p "Do you want to delete the SSL certificate? (y/N): " -n 1 -r
    echo
    if [[ $REPLY =~ ^[Yy]$ ]]; then
        print_step "${STEP}. Removing SSL certificate..."
        if sudo certbot delete --cert-name "${DOMAIN_NAME}"; then
            print_info "SSL certificate removed"
        else
            print_warning "Failed to remove SSL certificate. You may need to remove it manually:"
            echo "  sudo certbot delete --cert-name ${DOMAIN_NAME}"
        fi
    else
        print_info "SSL certificate kept. You can remove it later with:"
        echo "  sudo certbot delete --cert-name ${DOMAIN_NAME}"
    fi
else
    print_info "No SSL certificate found for ${DOMAIN_NAME}"
fi

echo ""
echo "=========================================="
print_info "✓ Project Deletion Complete!"
echo "=========================================="
echo ""
print_info "The following have been removed:"
echo ""

if $EXISTS_GIT; then
    echo "  • Git repository: ${GIT_DIR}"
fi

if $EXISTS_WORK; then
    echo "  • Work tree: ${WORK_TREE}"
fi

if $EXISTS_SYMLINK; then
    echo "  • HTML symlink: ${HTML_SYMLINK}"
fi

if $EXISTS_NGINX_CONF; then
    echo "  • Nginx configuration: ${NGINX_CONF}"
fi

if $EXISTS_NGINX_ENABLED; then
    echo "  • Nginx enabled link: ${NGINX_ENABLED}"
fi

if $EXISTS_INFO; then
    echo "  • Setup info file: ${INFO_FILE}"
fi

echo ""
print_warning "Remember to remove the Git remote from your local machine:"
echo -e "   ${BLUE}git remote remove dev-server${NC}"
echo ""