#!/bin/bash
# Homepage Migration Script
# Target: replicant (.80)
# Run this on the control server (CT 127)

set -e

COMPOSE_DIR=~/clustered-fucks/compose-files/replicant/homepage
PLAYBOOK_DIR=~/clustered-fucks/playbooks

echo "=== Homepage Migration Script ==="
echo "Target: replicant (.80)"
echo ""

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

# Create docker-compose.yml
cat > "$COMPOSE_DIR/docker-compose.yml" << 'EOF'
services:
  homepage:
    image: ghcr.io/gethomepage/homepage:latest
    container_name: homepage
    environment:
      - PUID=1000
      - PGID=1000
      - HOMEPAGE_ALLOWED_HOSTS=192.168.1.80:3305,home.3ddbrewery.com,*
    volumes:
      - ./config:/app/config
    ports:
      - "3305:3000"
    restart: unless-stopped
    networks:
      - proxy
    deploy:
      resources:
        limits:
          memory: 512M
          cpus: '1.0'
    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-homepage.yml" << 'EOF'
---
- name: Deploy Homepage to replicant
  hosts: replicant
  vars:
    service_name: homepage
    service_dir: "{{ docker_appdata }}/{{ service_name }}"
    compose_src: "{{ playbook_dir }}/../compose-files/replicant/{{ service_name }}"
  
  tasks:
    - name: Create service directory
      ansible.builtin.file:
        path: "{{ service_dir }}"
        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: Create config directory
      ansible.builtin.file:
        path: "{{ service_dir }}/config"
        state: directory
        mode: '0755'
    
    - name: Pull latest image
      community.docker.docker_image:
        name: ghcr.io/gethomepage/homepage:latest
        source: pull
        force_source: yes
    
    - name: Deploy Homepage
      community.docker.docker_compose_v2:
        project_src: "{{ service_dir }}"
        state: present
        pull: missing
      register: deploy_result
    
    - name: Show deployment result
      ansible.builtin.debug:
        msg: "Homepage deployed: {{ deploy_result.changed }}"
    
    - name: Wait for container to be healthy
      ansible.builtin.shell: |
        for i in {1..30}; do
          status=$(docker inspect --format='{{ "{{" }}.State.Health.Status{{ "}}" }}' homepage 2>/dev/null || echo "starting")
          if [ "$status" = "healthy" ]; then
            echo "Container is healthy"
            exit 0
          fi
          sleep 2
        done
        echo "Warning: Container not healthy after 60s"
        docker logs homepage 2>&1 | tail -20
      register: health_check
      changed_when: false
    
    - name: Display health status
      ansible.builtin.debug:
        msg: "{{ health_check.stdout }}"
EOF

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

echo ""
echo "=== Files Created ==="
echo "  $COMPOSE_DIR/docker-compose.yml"
echo "  $PLAYBOOK_DIR/deploy-homepage.yml"
echo ""
echo "=== Next Steps ==="
echo ""
echo "1. RSYNC CONFIG FROM ALIEN (do this first!):"
echo "   ssh alien 'docker stop homepage'"
echo "   rsync -avP maddox@alien:/home/maddox/docker/appdata/homepage/config/ \\"
echo "       maddox@replicant:/home/maddox/docker/appdata/homepage/config/"
echo ""
echo "2. DEPLOY TO REPLICANT:"
echo "   cd ~/clustered-fucks"
echo "   ansible-playbook playbooks/deploy-homepage.yml"
echo ""
echo "3. VERIFY:"
echo "   curl -s http://192.168.1.80:3305/api/healthcheck"
echo "   # or visit http://192.168.1.80:3305 in browser"
echo ""
echo "4. UPDATE TRAEFIK (on alien - update IP from .252 to .80):"
echo "   # Edit /home/maddox/docker/appdata/traefik/config/config.yml"
echo "   # Change homepage URL from 192.168.1.252:3305 to 192.168.1.80:3305"
echo ""
echo "5. CLEANUP ALIEN (after verification):"
echo "   ssh alien 'docker rm homepage'"
echo ""
echo "6. COMMIT TO GIT:"
echo "   cd ~/clustered-fucks"
echo "   git add -A && git commit -m 'Deploy homepage to replicant' && git push"
echo ""