#!/bin/bash
set -e

echo "🚀 NetGescon Linux Setup Script"
echo "================================="

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

log_info() { echo -e "${GREEN}[INFO]${NC} $1"; }
log_warn() { echo -e "${YELLOW}[WARN]${NC} $1"; }
log_error() { echo -e "${RED}[ERROR]${NC} $1"; }
log_step() { echo -e "${BLUE}[STEP]${NC} $1"; }

# Verifica se eseguito come utente normale
if [[ $EUID -eq 0 ]]; then
   log_error "Non eseguire questo script come root. Usa il tuo utente normale."
   exit 1
fi

log_step "1/10 Aggiornamento sistema..."
sudo apt update && sudo apt upgrade -y

log_step "2/10 Installazione pacchetti base..."
sudo apt install -y curl wget git unzip vim htop tree net-tools openssh-server ufw software-properties-common

log_step "3/10 Configurazione firewall..."
sudo ufw --force enable
sudo ufw allow ssh
sudo ufw allow 80
sudo ufw allow 443
sudo ufw allow 8000
log_info "Firewall configurato: SSH, HTTP, HTTPS, Laravel dev server"

log_step "4/10 Installazione PHP 8.2..."
sudo add-apt-repository ppa:ondrej/php -y
sudo apt update
sudo apt install -y php8.2 php8.2-fpm php8.2-cli php8.2-common php8.2-mysql \
php8.2-zip php8.2-gd php8.2-mbstring php8.2-curl php8.2-xml php8.2-bcmath \
php8.2-intl php8.2-sqlite3 php8.2-redis php8.2-imagick

# Verifica installazione PHP
PHP_VERSION=$(php -v | head -n1 | cut -d' ' -f2)
log_info "PHP installato: versione $PHP_VERSION"

log_step "5/10 Installazione Composer..."
cd /tmp
curl -sS https://getcomposer.org/installer | php
sudo mv composer.phar /usr/local/bin/composer
sudo chmod +x /usr/local/bin/composer

# Verifica Composer
COMPOSER_VERSION=$(composer --version | cut -d' ' -f3)
log_info "Composer installato: versione $COMPOSER_VERSION"

log_step "6/10 Installazione Node.js..."
curl -fsSL https://deb.nodesource.com/setup_18.x | sudo -E bash -
sudo apt install -y nodejs

# Verifica Node.js
NODE_VERSION=$(node --version)
NPM_VERSION=$(npm --version)
log_info "Node.js installato: $NODE_VERSION, npm: $NPM_VERSION"

log_step "7/10 Installazione MySQL..."
sudo apt install -y mysql-server

log_step "8/10 Installazione Nginx..."
sudo apt install -y nginx
sudo systemctl start nginx
sudo systemctl enable nginx

log_step "9/10 Creazione directory progetto..."
sudo mkdir -p /var/www/netgescon
sudo chown -R $USER:www-data /var/www/netgescon
sudo chmod -R 755 /var/www/netgescon

log_step "10/10 Configurazione iniziale completata!"

# Salva informazioni di sistema
echo "=== NetGescon Setup Info ===" > ~/netgescon-setup-info.txt
echo "Data installazione: $(date)" >> ~/netgescon-setup-info.txt
echo "Sistema: $(lsb_release -d | cut -f2)" >> ~/netgescon-setup-info.txt
echo "PHP: $PHP_VERSION" >> ~/netgescon-setup-info.txt
echo "Composer: $COMPOSER_VERSION" >> ~/netgescon-setup-info.txt
echo "Node.js: $NODE_VERSION" >> ~/netgescon-setup-info.txt
echo "NPM: $NPM_VERSION" >> ~/netgescon-setup-info.txt
echo "MySQL: $(mysql --version)" >> ~/netgescon-setup-info.txt
echo "Nginx: $(nginx -v 2>&1)" >> ~/netgescon-setup-info.txt

log_info "Setup completato! 🎉"
echo ""
echo "═══════════════════════════════════════════════════════"
echo "📋 INFORMAZIONI IMPORTANTE - SALVA QUESTI DATI:"
echo "═══════════════════════════════════════════════════════"
echo ""
echo "🔒 CONFIGURAZIONE DATABASE:"
echo "   Database: netgescon"
echo "   Username: netgescon_user" 
echo "   Password: NetGescon2024!"
echo ""
echo "📁 DIRECTORY PROGETTO:"
echo "   /var/www/netgescon/"
echo ""
echo "🌐 IP MACCHINA:"
echo "   $(hostname -I | awk '{print $1}')"
echo ""
echo "═══════════════════════════════════════════════════════"
echo ""
echo "🔧 NEXT STEPS OBBLIGATORI:"
echo ""
echo "1️⃣  CONFIGURA MYSQL:"
echo "    sudo mysql_secure_installation"
echo ""
echo "2️⃣  CREA DATABASE (esegui questi comandi in MySQL):"
echo "    sudo mysql -u root -p"
echo "    CREATE DATABASE netgescon CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;"
echo "    CREATE USER 'netgescon_user'@'localhost' IDENTIFIED BY 'NetGescon2024!';"
echo "    GRANT ALL PRIVILEGES ON netgescon.* TO 'netgescon_user'@'localhost';"
echo "    FLUSH PRIVILEGES;"
echo "    EXIT;"
echo ""
echo "3️⃣  TRASFERISCI PROGETTO LARAVEL:"
echo "    - Copia netgescon-laravel in /var/www/netgescon/"
echo "    - Esegui script setup-laravel.sh"
echo ""
echo "4️⃣  CONFIGURA NGINX:"
echo "    - Crea virtual host"
echo "    - Testa configurazione"
echo ""
echo "💾 Info sistema salvate in: ~/netgescon-setup-info.txt"
echo ""

# Salva log installazione
echo "$(date): NetGescon setup completato" >> ~/netgescon-setup.log

log_info "Per continuare, segui la GUIDA-MIGRAZIONE-LINUX-COMPLETA.md"