#!/bin/bash

# MySQL Setup Script for Bike Service Application
# This script will create the database and user for the application

set -e

echo "🗄️  Setting up MySQL database for Bike Service Application..."

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

print_status() {
    echo -e "${GREEN}[INFO]${NC} $1"
}

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

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

# Check if MySQL is running
if ! systemctl is-active --quiet mysql; then
    print_error "MySQL is not running. Please start MySQL first:"
    echo "sudo systemctl start mysql"
    exit 1
fi

# Get database credentials
echo "Enter MySQL root password:"
read -s MYSQL_ROOT_PASSWORD

# Get application database credentials
echo "Enter database name (default: bikeservice_db):"
read DB_NAME
DB_NAME=${DB_NAME:-bikeservice_db}

echo "Enter database username (default: bikeservice_user):"
read DB_USER
DB_USER=${DB_USER:-bikeservice_user}

echo "Enter database password:"
read -s DB_PASSWORD

# Validate password strength
if [ ${#DB_PASSWORD} -lt 8 ]; then
    print_warning "Password is less than 8 characters. Consider using a stronger password."
fi

print_status "Creating database and user..."

# Create SQL script
cat > /tmp/mysql_setup.sql << EOF
-- Create database
CREATE DATABASE IF NOT EXISTS ${DB_NAME} 
CHARACTER SET utf8mb4 
COLLATE utf8mb4_unicode_ci;

-- Create user
CREATE USER IF NOT EXISTS '${DB_USER}'@'localhost' 
IDENTIFIED BY '${DB_PASSWORD}';

-- Grant privileges
GRANT ALL PRIVILEGES ON ${DB_NAME}.* TO '${DB_USER}'@'localhost';

-- Grant additional privileges for Laravel
GRANT SELECT, INSERT, UPDATE, DELETE, CREATE, DROP, INDEX, ALTER, CREATE TEMPORARY TABLES, LOCK TABLES ON ${DB_NAME}.* TO '${DB_USER}'@'localhost';

-- Flush privileges
FLUSH PRIVILEGES;

-- Show created database and user
SHOW DATABASES;
SELECT User, Host FROM mysql.user WHERE User = '${DB_USER}';

-- Display success message
SELECT 'Database and user created successfully!' as Status;
EOF

# Execute SQL script
if mysql -u root -p"$MYSQL_ROOT_PASSWORD" < /tmp/mysql_setup.sql; then
    print_status "Database and user created successfully!"
    
    # Create .env database configuration
    cat > /tmp/database_config.env << EOF
# Database Configuration
DB_CONNECTION=mysql
DB_HOST=127.0.0.1
DB_PORT=3306
DB_DATABASE=${DB_NAME}
DB_USERNAME=${DB_USER}
DB_PASSWORD=${DB_PASSWORD}
EOF
    
    print_status "Database configuration saved to /tmp/database_config.env"
    print_warning "Copy these settings to your Laravel .env file:"
    echo
    cat /tmp/database_config.env
    echo
    
    # Test database connection
    print_status "Testing database connection..."
    if mysql -u "$DB_USER" -p"$DB_PASSWORD" -e "USE ${DB_NAME}; SELECT 1;" > /dev/null 2>&1; then
        print_status "Database connection test successful!"
    else
        print_error "Database connection test failed!"
        exit 1
    fi
    
else
    print_error "Failed to create database and user!"
    exit 1
fi

# Clean up
rm -f /tmp/mysql_setup.sql

print_status "MySQL setup completed!"
echo
echo "Next steps:"
echo "1. Copy the database configuration to your Laravel .env file"
echo "2. Run Laravel migrations: php artisan migrate"
echo "3. Test your application"
echo
echo "Database credentials:"
echo "- Database: ${DB_NAME}"
echo "- Username: ${DB_USER}"
echo "- Password: [hidden]"
echo "- Host: 127.0.0.1"
echo "- Port: 3306"