#!/bin/bash
# ntfy Migration Script
# Target: network-services (.121)
# Run this on the control server (CT 127)

set -e

COMPOSE_DIR=~/clustered-fucks/compose-files/network-services/ntfy
PLAYBOOK_DIR=~/clustered-fucks/playbooks

echo "=== ntfy Migration Script ==="
echo "Target: network-services (.121)"
echo "⚠️  CRITICAL: This is your notification hub - expect brief cluster-wide notification outage"
echo ""

# Create directories
mkdir -p "$COMPOSE_DIR"
mkdir -p "$PLAYBOOK_DIR"

# Create docker-compose.yml
cat > "$COMPOSE_DIR/docker-compose.yml" << 'EOF'
services:
  ntfy:
    image: binwiederhier/ntfy:latest
    container_name: ntfy
    command: serve
    environment:
      - NTFY_BASE_URL=https://ntfy.3ddbrewery.com
      - NTFY_BEHIND_PROXY=true
    volumes:
      - ./data:/var/lib/ntfy
      - ./cache:/var/cache/ntfy
    ports:
      - "6741:80"
    restart: unless-stopped
    networks:
      - proxy
    deploy:
      resources:
        limits:
          memory: 256M
          cpus: '0.5'
    labels:
      - "autoheal=true"
      - "com.centurylinklabs.watchtower.enable=true"

networks:
  proxy:
    external: true
EOF

echo "✅ Created $COMPOSE_DIR/docker-compose.yml"

# Create Ansible playbook
cat > "$PLAYBOOK_DIR/deploy-ntfy.yml" << 'EOF'
---
- name: Deploy ntfy to network-services
  hosts: network-services
  vars:
    service_name: ntfy
    service_dir: "{{ docker_appdata }}/{{ service_name }}"
    compose_src: "{{ playbook_dir }}/../compose-files/network-services/{{ service_name }}"
  
  tasks:
    - name: Create service directory
      ansible.builtin.file:
        path: "{{ service_dir }}"
        state: directory
        mode: '0755'
    
    - name: Create data subdirectory
      ansible.builtin.file:
        path: "{{ service_dir }}/data"
        state: directory
        mode: '0755'
    
    - name: Create cache subdirectory
      ansible.builtin.file:
        path: "{{ service_dir }}/cache"
        state: directory
        mode: '0755'
    
    - name: Copy docker-compose.yml
      ansible.builtin.copy:
        src: "{{ compose_src }}/docker-compose.yml"
        dest: "{{ service_dir }}/docker-compose.yml"
        mode: '0644'
    
    - name: Pull latest image
      community.docker.docker_image:
        name: binwiederhier/ntfy:latest
        source: pull
        force_source: yes
    
    - name: Deploy container
      community.docker.docker_compose_v2:
        project_src: "{{ service_dir }}"
        state: present
        pull: missing
EOF

echo "✅ Created $PLAYBOOK_DIR/deploy-ntfy.yml"

echo ""
echo "=== FILES CREATED ==="
echo "  - $COMPOSE_DIR/docker-compose.yml"
echo "  - $PLAYBOOK_DIR/deploy-ntfy.yml"
echo ""
echo "=== MIGRATION STEPS ==="
echo ""
echo "1. STOP OLD CONTAINER:"
echo "   ssh alien 'docker stop ntfy'"
echo ""
echo "2. RSYNC DATA (run from network-services):"
echo "   ssh network-services"
echo "   sudo mkdir -p /home/docker/appdata/ntfy/{data,cache}"
echo "   sudo rsync -avP maddox@alien:/home/maddox/docker/appdata/ntfy/ /home/docker/appdata/ntfy/data/"
echo "   sudo rsync -avP maddox@alien:/home/maddox/docker/appdata/ntfy/cache/ /home/docker/appdata/ntfy/cache/"
echo "   exit"
echo ""
echo "3. DEPLOY:"
echo "   ansible-playbook playbooks/deploy-ntfy.yml"
echo ""
echo "4. VERIFY:"
echo "   curl -s http://192.168.1.121:6741/v1/health"
echo "   # Test notification:"
echo "   curl -d 'Migration test' http://192.168.1.121:6741/test-migration"
echo ""
echo "5. UPDATE TRAEFIK (on alien):"
echo "   # Change ntfy backend from 192.168.1.252:6741 to 192.168.1.121:6741"
echo ""
echo "6. VERIFY EXTERNAL ACCESS:"
echo "   curl -d 'External test' https://ntfy.3ddbrewery.com/test-migration"
echo ""
echo "7. CLEANUP:"
echo "   ssh alien 'docker rm ntfy'"
echo ""
echo "8. COMMIT:"
echo "   git add -A && git commit -m 'Migrate ntfy to network-services (.121)' && git push"
echo ""
echo "=== DONE ==="