#!/bin/bash

# Password Generator Installation Script
# This script sets up the password generator with i18n support

set -e

echo "🔐 Password Generator Installation"
echo "=================================="

# Check PHP version
php_version=$(php -v | head -n1 | cut -d' ' -f2 | cut -d'.' -f1,2)
required_version="8.1"

if [ "$(printf '%s\n' "$required_version" "$php_version" | sort -V | head -n1)" != "$required_version" ]; then
    echo "❌ PHP 8.1+ required (found: $php_version)"
    exit 1
fi

echo "✅ PHP version: $php_version"

# Check if composer is installed
if ! command -v composer &> /dev/null; then
    echo "❌ Composer not found. Please install Composer first:"
    echo "   https://getcomposer.org/download/"
    exit 1
fi

echo "✅ Composer found"

# Install PHP dependencies
echo ""
echo "📦 Installing PHP dependencies..."
composer install --no-dev --optimize-autoloader

# Set up environment file
if [ ! -f .env ]; then
    echo ""
    echo "⚙️  Setting up environment configuration..."
    cp .env.example .env
    echo "✅ Environment file created (.env)"
    echo "   You can edit this file to customize settings"
else
    echo "✅ Environment file already exists"
fi

# Create logs directory and set permissions
echo ""
echo "📁 Setting up directories..."
mkdir -p logs
chmod 755 logs
echo "✅ Logs directory created"

# Check if pwgen is available (optional)
if command -v pwgen &> /dev/null; then
    echo "✅ pwgen found (enhanced compatibility enabled)"
else
    echo "ℹ️  pwgen not found (will use PHP fallback)"
fi

# Test the installation
echo ""
echo "🧪 Testing installation..."
php -l public/index.php > /dev/null
if [ $? -eq 0 ]; then
    echo "✅ PHP syntax check passed"
else
    echo "❌ PHP syntax error found"
    exit 1
fi

# Start the development server
echo ""
echo "🚀 Installation completed successfully!"
echo ""
echo "To start the development server:"
echo "  php -S localhost:8080 -t public"
echo ""
echo "To start with composer:"
echo "  composer start"
echo ""
echo "Then visit: http://localhost:8080"
echo ""
echo "📚 Features:"
echo "  • REST API for password generation"
echo "  • Multilingual web interface (8 languages)"
echo "  • 5 different password generation algorithms"
echo "  • Security analysis and entropy calculation"
echo "  • Password manager integration examples"
echo ""
echo "📖 Documentation: http://localhost:8080/docs"
echo "🌍 Supported languages: EN, DE, FR, IT, ES, PT, JA, ZH"