#!/usr/bin/env bash
set -e

SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
cd "$SCRIPT_DIR"

GREEN='\033[0;32m'
CYAN='\033[0;36m'
YELLOW='\033[1;33m'
RED='\033[0;31m'
NC='\033[0m'

echo -e "${CYAN}========================================${NC}"
echo -e "${CYAN}  THE DARK ELITE HUB - DEPLOYMENT${NC}"
echo -e "${CYAN}========================================${NC}"
echo

if [ "$EUID" -ne 0 ]; then
  echo -e "${RED}Run with sudo.${NC}"
  exit 1
fi

if [ ! -f .env ]; then
  echo -e "${YELLOW}No .env file found. Creating from .env.example...${NC}"
  cp .env.example .env
  if command -v openssl >/dev/null 2>&1; then
    SECRET=$(openssl rand -hex 32)
    sed -i "s|HUB_SECRET=.*|HUB_SECRET=$SECRET|" .env
    echo -e "${GREEN}Auto-generated HUB_SECRET in .env${NC}"
  fi
  echo
  echo -e "${YELLOW}You must edit .env now and set HUB_PASSWORD.${NC}"
  echo -e "Press ENTER after you have edited .env, or Ctrl+C to abort."
  read
fi

if grep -q "change-me-to-a-real-password\|replace-with" .env; then
  echo -e "${RED}.env still has placeholder values. Edit it before deploying.${NC}"
  exit 1
fi

if ! command -v docker >/dev/null 2>&1; then
  echo -e "${CYAN}==> Installing Docker...${NC}"
  curl -fsSL https://get.docker.com | sh
  systemctl enable --now docker
fi

if ! docker compose version >/dev/null 2>&1; then
  echo -e "${RED}Docker Compose plugin missing. Install docker-compose-plugin and re-run.${NC}"
  exit 1
fi

echo -e "${CYAN}==> Setting up /opt/hub from skeleton...${NC}"
mkdir -p /opt/hub
rsync -a --ignore-existing skel/ /opt/hub/
mkdir -p /opt/hub/caddy/data /opt/hub/caddy/config
chmod -R u+rw /opt/hub

if ! docker network inspect hub >/dev/null 2>&1; then
  echo -e "${CYAN}==> Creating hub network...${NC}"
  docker network create hub
fi

echo -e "${CYAN}==> Pulling images and starting stacks...${NC}"
docker compose --env-file .env up -d

echo
echo -e "${CYAN}==> Waiting for services...${NC}"
sleep 15

IP=$(hostname -I | awk '{print $1}')

echo
echo -e "${GREEN}========================================${NC}"
echo -e "${GREEN}  DEPLOY COMPLETE${NC}"
echo -e "${GREEN}========================================${NC}"
echo
echo -e "Hub URL: ${CYAN}http://$IP/${NC}"
echo -e "Login:   ${CYAN}http://$IP/login/${NC}"
echo
echo -e "${YELLOW}Note: ZIMs and PDFs are EMPTY. Upload via:${NC}"
echo -e "  Library admin: http://$IP/library/ (top of page)"
echo -e "  PDF library:   http://$IP/pdfs/"
echo
echo -e "${CYAN}========================================${NC}"
echo -e "${CYAN}  MAP TILES${NC}"
echo -e "${CYAN}========================================${NC}"
echo
echo "Maps page and Overlay page require base.pmtiles."
echo "Download size: ~4-25 GB depending on detail level."
echo "Download time: 10 min - 1 hour."
echo
read -p "Download North America map tiles now? [Y/n]: " yn
yn=${yn:-Y}
if [[ "$yn" =~ ^[Yy]$ ]]; then
  bash "$SCRIPT_DIR/fetch-maps.sh"
else
  echo
  echo -e "${YELLOW}Skipped.${NC}"
  echo -e "Run ${CYAN}$SCRIPT_DIR/fetch-maps.sh${NC} anytime to download maps later."
fi

echo
echo -e "${GREEN}Done.${NC}"