---
# Update Forgejo to latest version
# This playbook safely updates Forgejo with automatic backup

- name: Update Forgejo
  hosts: forgejo
  become: yes
  gather_facts: yes
  
  vars_files:
    - vars/main.yml
    - vars/secrets.yml
  
  vars:
    backup_before_update: true
    skip_backup: false  # Override with --extra-vars "skip_backup=true"
  
  pre_tasks:
    - name: Display update information
      ansible.builtin.debug:
        msg: |
          Updating Forgejo from {{ forgejo_version }}
          Backup will be created: {{ backup_before_update and not skip_backup }}
    
    - name: Check current Forgejo version
      ansible.builtin.command:
        cmd: docker exec forgejo forgejo --version
      register: current_version
      changed_when: false
      failed_when: false
    
    - name: Display current version
      ansible.builtin.debug:
        msg: "Current version: {{ current_version.stdout if current_version.rc == 0 else 'Unable to determine' }}"
  
  tasks:
    - name: Create pre-update backup
      when: backup_before_update and not skip_backup
      block:
        - name: Run backup script
          ansible.builtin.command:
            cmd: /usr/local/bin/forgejo_backup.sh
          register: backup_result
        
        - name: Display backup result
          ansible.builtin.debug:
            msg: "Backup completed: {{ backup_result.stdout_lines[-1] if backup_result.stdout_lines else 'No output' }}"
    
    - name: Stop Forgejo service
      community.docker.docker_compose_v2:
        project_src: "{{ forgejo_base_path }}"
        state: stopped
    
    - name: Pull latest Forgejo image
      community.docker.docker_image:
        name: "{{ forgejo_docker_image }}:{{ forgejo_version }}"
        source: pull
        force_source: yes
    
    - name: Update Docker Compose file if needed
      ansible.builtin.template:
        src: ../roles/forgejo/templates/docker-compose.yml.j2
        dest: "{{ forgejo_base_path }}/docker-compose.yml"
        owner: "{{ forgejo_user }}"
        group: "{{ forgejo_group }}"
        mode: '0640'
    
    - name: Start Forgejo service
      community.docker.docker_compose_v2:
        project_src: "{{ forgejo_base_path }}"
        state: present
        pull: always
    
    - name: Wait for Forgejo to be ready
      ansible.builtin.uri:
        url: "http://localhost:{{ forgejo_http_port }}"
        status_code: 200
      register: health_check
      until: health_check.status == 200
      retries: 30
      delay: 2
    
    - name: Check updated version
      ansible.builtin.command:
        cmd: docker exec forgejo forgejo --version
      register: updated_version
      changed_when: false
    
    - name: Display updated version
      ansible.builtin.debug:
        msg: "Updated version: {{ updated_version.stdout }}"
    
    - name: Run database migrations
      ansible.builtin.command:
        cmd: docker exec forgejo forgejo migrate
      register: migrate_result
      changed_when: "'No migration needed' not in migrate_result.stdout"
    
    - name: Display migration result
      ansible.builtin.debug:
        msg: "{{ migrate_result.stdout_lines }}"
  
  post_tasks:
    - name: Verify Forgejo health
      ansible.builtin.uri:
        url: "http://localhost:{{ forgejo_http_port }}/api/healthz"
        status_code: 200
        return_content: yes
      register: health
    
    - name: Display health status
      ansible.builtin.debug:
        msg: "Forgejo health check: {{ health.content }}"
    
    - name: Update deployment info
      ansible.builtin.lineinfile:
        path: "{{ forgejo_base_path }}/DEPLOYMENT_INFO.txt"
        regexp: '^Last Update:'
        line: "Last Update: {{ ansible_date_time.iso8601 }} - {{ forgejo_version }}"
        insertafter: '^Deployment Date:'
    
    - name: Display completion message
      ansible.builtin.debug:
        msg: |
          ========================================
          Forgejo Update Complete!
          ========================================
          
          Previous version: {{ current_version.stdout if current_version.rc == 0 else 'Unknown' }}
          Current version: {{ updated_version.stdout }}
          
          The service is running and healthy.
          ========================================