#!/bin/bash

set -e

echo "🔧 Updating system packages..."
sudo apt-get update -y
sudo apt-get upgrade -y

echo "🐳 Installing Docker..."
# Remove old versions
sudo apt-get remove -y docker docker-engine docker.io containerd runc || true

# Install dependencies
sudo apt-get install -y ca-certificates curl gnupg lsb-release

# Add Docker's official GPG key
sudo install -m 0755 -d /etc/apt/keyrings
curl -fsSL https://download.docker.com/linux/$(. /etc/os-release; echo "$ID")/gpg | \
  sudo gpg --dearmor -o /etc/apt/keyrings/docker.gpg

# Add Docker repository
echo \
  "deb [arch=$(dpkg --print-architecture) signed-by=/etc/apt/keyrings/docker.gpg] \
  https://download.docker.com/linux/$(. /etc/os-release; echo "$ID") \
  $(lsb_release -cs) stable" | \
  sudo tee /etc/apt/sources.list.d/docker.list > /dev/null

# Install Docker Engine
sudo apt-get update -y
sudo apt-get install -y docker-ce docker-ce-cli containerd.io docker-buildx-plugin docker-compose-plugin

# Enable Docker service
sudo systemctl enable docker
sudo systemctl start docker

echo "✅ Docker installed successfully."

echo "📦 Deploying Portainer..."
# Pull and run Portainer container
sudo docker volume create portainer_data

sudo docker run -d \
  --name=portainer \
  --restart=always \
  -p 8000:8000 \
  -p 9443:9443 \
  -v /var/run/docker.sock:/var/run/docker.sock \
  -v portainer_data:/data \
  portainer/portainer-ce:latest

echo "🚀 Portainer is now running at https://<your-ip>:9443"