---
# Deploy Karakeep Stack to databases VM
# Containers: web, meilisearch, chrome, ollama
# Target: databases (192.168.1.81)

- name: Deploy Karakeep Stack
  hosts: databases
  vars:
    appdata_path: /home/docker/appdata
    service_name: karakeep
    service_dir: "{{ appdata_path }}/{{ service_name }}"
    compose_src: "{{ playbook_dir }}/../compose-files/databases/{{ service_name }}"
  
  tasks:
    # =========================================================================
    # PRE-FLIGHT CHECKS
    # =========================================================================
    - name: Check if .env file exists on control server
      delegate_to: localhost
      ansible.builtin.stat:
        path: "{{ compose_src }}/.env"
      register: env_file
    
    - name: Fail if .env is missing
      ansible.builtin.fail:
        msg: |
          .env file not found at {{ compose_src }}/.env
          Copy .env.example to .env and fill in the secrets!
      when: not env_file.stat.exists

    # =========================================================================
    # DIRECTORY SETUP
    # =========================================================================
    - name: Create karakeep base directory
      ansible.builtin.file:
        path: "{{ service_dir }}"
        state: directory
        mode: '0755'
    
    - name: Create karakeep data directory
      ansible.builtin.file:
        path: "{{ service_dir }}/data"
        state: directory
        mode: '0755'
    
    - name: Create meilisearch directory
      ansible.builtin.file:
        path: "{{ service_dir }}/meilisearch"
        state: directory
        mode: '0755'
    
    - name: Create ollama directory
      ansible.builtin.file:
        path: "{{ service_dir }}/ollama"
        state: directory
        mode: '0755'

    # =========================================================================
    # FILE DEPLOYMENT
    # =========================================================================
    - name: Copy docker-compose.yml
      ansible.builtin.copy:
        src: "{{ compose_src }}/docker-compose.yml"
        dest: "{{ service_dir }}/docker-compose.yml"
        mode: '0644'
    
    - name: Copy .env file
      ansible.builtin.copy:
        src: "{{ compose_src }}/.env"
        dest: "{{ service_dir }}/.env"
        mode: '0600'

    # =========================================================================
    # CONTAINER DEPLOYMENT
    # =========================================================================
    - name: Deploy karakeep stack
      community.docker.docker_compose_v2:
        project_src: "{{ service_dir }}"
        state: present
        pull: always
      register: karakeep_result
    
    - name: Show deployment status
      ansible.builtin.debug:
        msg: "Karakeep stack deployed: {{ karakeep_result.changed }}"

    # =========================================================================
    # VERIFICATION
    # =========================================================================
    - name: Wait for karakeep-web to be healthy
      ansible.builtin.uri:
        url: "http://localhost:3054/api/health"
        status_code: 200
        timeout: 10
      register: web_health
      retries: 15
      delay: 10
      until: web_health.status == 200
      ignore_errors: true
    
    - name: Wait for meilisearch to be ready
      ansible.builtin.uri:
        url: "http://localhost:7700/health"
        status_code: 200
        timeout: 5
      register: meili_health
      retries: 10
      delay: 5
      until: meili_health.status == 200
      ignore_errors: true
    
    - name: Wait for ollama to be ready
      ansible.builtin.uri:
        url: "http://localhost:11434/api/version"
        status_code: 200
        timeout: 5
      register: ollama_health
      retries: 10
      delay: 5
      until: ollama_health.status == 200
      ignore_errors: true
    
    - name: Summary
      ansible.builtin.debug:
        msg:
          - "========================================="
          - "Karakeep Stack Deployment Complete"
          - "========================================="
          - "✅ Karakeep Web: http://192.168.1.81:3054"
          - "✅ Meilisearch: http://192.168.1.81:7700"
          - "✅ Ollama: http://192.168.1.81:11434"
          - "========================================="
          - "NOTE: Ollama running on CPU only (no GPU)"
          - "Models may need to be re-pulled after migration"