#!/bin/bash
# Project Tracker - One-shot deploy script
# Run on a fresh Debian/Ubuntu server as root
# Usage: curl -sL https://gitea.ledrew.me/ledadmin/project-tracker/raw/branch/master/deploy/setup.sh | bash

set -e

echo "=== Project Tracker Deploy ==="
echo ""

# Check if running as root
if [ "$EUID" -ne 0 ]; then
  echo "Please run as root: sudo $0"
  exit 1
fi

# Detect OS
if command -v apt-get &> /dev/null; then
  PKG_MANAGER="apt-get"
elif command -v yum &> /dev/null; then
  PKG_MANAGER="yum"
else
  echo "Unsupported OS. This script requires Debian/Ubuntu or RHEL/CentOS."
  exit 1
fi

# Update system
echo "[1/5] Updating system packages..."
$PKG_MANAGER update -qq
$PKG_MANAGER install -y -qq curl git ca-certificates gnupg > /dev/null 2>&1

# Install Docker
echo "[2/5] Installing Docker..."
if command -v docker &> /dev/null; then
  echo "  Docker already installed."
else
  if [ "$PKG_MANAGER" = "apt-get" ]; then
    install -m 0755 -d /etc/apt/keyrings
    curl -fsSL https://download.docker.com/linux/ubuntu/gpg | gpg --dearmor -o /etc/apt/keyrings/docker.gpg
    chmod a+r /etc/apt/keyrings/docker.gpg
    echo "deb [arch=$(dpkg --print-architecture) signed-by=/etc/apt/keyrings/docker.gpg] https://download.docker.com/linux/ubuntu $(. /etc/os-release && echo "$VERSION_CODENAME") stable" > /etc/apt/sources.list.d/docker.list
    $PKG_MANAGER update -qq
    $PKG_MANAGER install -y -qq docker-ce docker-ce-cli containerd.io docker-compose-plugin > /dev/null 2>&1
  else
    $PKG_MANAGER install -y -qq docker docker-compose-plugin > /dev/null 2>&1
  fi
  systemctl enable docker --now > /dev/null 2>&1
  echo "  Docker installed."
fi

# Enable and start Docker
systemctl enable docker --now > /dev/null 2>&1 || true

# Clone or update repo
echo "[3/5] Setting up Project Tracker..."
if [ -d "/root/project-tracker" ]; then
  echo "  Updating existing repo..."
  cd /root/project-tracker
  git pull
else
  echo "  Cloning repo..."
  git clone https://gitea.ledrew.me/ledadmin/project-tracker.git /root/project-tracker
fi

# Build and start
echo "[4/5] Building and starting containers..."
cd /root/project-tracker/deploy
docker compose down --remove-orphans 2>/dev/null || true
docker compose up -d --build

# Wait for backend to be ready
echo "[5/5] Waiting for backend to start..."
sleep 3

# Verify
echo ""
echo "=== Done ==="
IP=$(hostname -I | awk '{print $1}')
if curl -sf http://localhost/api/projects > /dev/null 2>&1; then
  echo "Project Tracker is LIVE at http://$IP"
else
  echo "Project Tracker may need a moment. Check: docker compose logs"
  echo "App should be at http://$IP"
fi

echo ""
echo "Useful commands:"
echo "  docker compose logs -f       # View logs"
echo "  docker compose restart       # Restart"
echo "  docker compose down          # Stop"
echo ""