# nextcloud/update_collabora.yml

- name: Update Collabora CODE on VM via Proxmox
  hosts: proxmox
  gather_facts: false
  become: true
  become_user: root
  become_method: sudo

  vars:
    # --- Connection to VM (provided by Semaphore env vars) ---
    vm_ip:   "{{ lookup('env', 'VM_IP') }}"
    vm_user: "{{ lookup('env', 'VM_USER') }}"
    vm_pass: "{{ lookup('env', 'VM_PASS') }}"
    use_sudo: false

    # --- Debug mode (controlled via Semaphore variable) ---
    DEBUG: "{{ lookup('env', 'DEBUG') | default(0) | int }}"
    RETRIES: "{{ lookup('env', 'RETRIES') | default(25) | int }}"

    # --- Collabora specifics ---
    collabora_debug_caps: true
    collabora_caps_url: "https://collabora.martinfencl.eu/hosting/capabilities"

    # Use the FULL Nextcloud stack compose file; only target the 'collabora' service inside it
    collabora_project: "nextcloud-collabora"
    collabora_compose_file: "/data/compose/collabora/nextcloud-collabora.yml"
    collabora_service: "collabora"

    # Docker command prefix (consistent behavior and quiet hints)
    docker_prefix: "unalias docker 2>/dev/null || true; DOCKER_CLI_HINTS=0; command docker"

    # Commands to run on the target VM (quiet outputs)
    collabora_commands:
      - "{{ docker_prefix }} pull -q collabora/code:latest >/dev/null"
      - "{{ docker_prefix }} compose -p {{ collabora_project }} -f {{ collabora_compose_file }} pull {{ collabora_service }} >/dev/null"
      - "{{ docker_prefix }} compose -p {{ collabora_project }} -f {{ collabora_compose_file }} up -d --no-deps --force-recreate {{ collabora_service }} >/dev/null"

  tasks:
    - name: Ensure sshpass is installed (for password-based SSH)  # English comments
      ansible.builtin.apt:
        name: sshpass
        state: present
        update_cache: yes

    - name: Run Collabora update commands on VM (via SSH)  # use SSHPASS env, hide item value
      ansible.builtin.command:
        argv:
          - sshpass
          - -e
          - ssh
          - -o
          - StrictHostKeyChecking=no
          - -o
          - ConnectTimeout=15
          - "{{ vm_user }}@{{ vm_ip }}"
          - bash
          - -lc
          - "{{ ('sudo ' if use_sudo else '') + item }}"
      environment:
        SSHPASS: "{{ vm_pass }}"
      loop: "{{ collabora_commands }}"
      loop_control:
        index_var: idx              # <-- capture loop index here
        label: "cmd-{{ idx }}"      # <-- use idx instead of loop.index
      register: collab_cmds
      changed_when: false
      no_log: "{{ DEBUG == 0 }}"

    - name: Show outputs for each Collabora command
      ansible.builtin.debug:
        msg: |
          CMD: {{ item.item }}
          RC:  {{ item.rc }}
          STDOUT:
          {{ (item.stdout | default('')).strip() }}
          STDERR:
          {{ (item.stderr | default('')).strip() }}
      loop: "{{ collab_cmds.results }}"
      when: DEBUG == 1

    - name: Fail play if any Collabora command failed  # also hide item label
      ansible.builtin.assert:
        that: "item.rc == 0"
        fail_msg: "Collabora update failed on VM: {{ item.item }} (rc={{ item.rc }})"
        success_msg: "All Collabora update commands succeeded."
      loop: "{{ collab_cmds.results }}"
      loop_control:
        index_var: idx
        label: "cmd-{{ idx }}"

    # -------------------------
    # Readiness checks (controller first, then VM fallback)
    # -------------------------

    - name: Collabora | Wait for capabilities (controller first)
      ansible.builtin.uri:
        url: "{{ collabora_caps_url }}"
        method: GET
        return_content: true
        validate_certs: true
        status_code: 200
      register: caps_controller
      delegate_to: localhost
      run_once: true
      retries: "{{ RETRIES }}"
      delay: 2
      until: caps_controller.status == 200
      failed_when: false
      changed_when: false

    - name: Collabora | VM-side fetch (pure JSON via Python)  # use SSHPASS env here too
      ansible.builtin.command:
        argv:
          - sshpass
          - -e
          - ssh
          - -o
          - StrictHostKeyChecking=no
          - -o
          - ConnectTimeout=15
          - "{{ vm_user }}@{{ vm_ip }}"
          - bash
          - -lc
          - |
            python3 - <<'PY'
            import json, urllib.request, sys
            try:
                with urllib.request.urlopen("{{ collabora_caps_url }}", timeout=15) as r:
                    sys.stdout.write(r.read().decode())
            except Exception:
                pass
            PY
      environment:
        SSHPASS: "{{ vm_pass }}"
      register: caps_vm
      changed_when: false
      failed_when: false
      when: caps_controller.status | default(0) != 200 or caps_controller.json is not defined
      no_log: "{{ DEBUG == 0 }}"

    - name: Collabora | Choose JSON (controller wins, else VM)
      ansible.builtin.set_fact:
        collab_caps_json: >-
          {{
            (caps_controller.json
              if (caps_controller.status|default(0))==200 and (caps_controller.json is defined)
              else (
                (caps_vm.stdout | default('') | trim | length > 0)
                | ternary((caps_vm.stdout | trim | from_json), omit)
              )
            )
          }}
      failed_when: false

    - name: Collabora | Print concise summary
      ansible.builtin.debug:
        msg: >-
          Collabora {{ collab_caps_json.productVersion | default('?') }}
          ({{ collab_caps_json.productName | default('?') }}),
          convert-to.available={{ collab_caps_json['convert-to']['available'] | default('n/a') }},
          serverId={{ collab_caps_json.serverId | default('n/a') }}
      when: collab_caps_json is defined and DEBUG == 1

    - name: Collabora | Capabilities unavailable (after retries)
      ansible.builtin.debug:
        msg: "Capabilities endpoint není dostupný ani po pokusech."
      when: collab_caps_json is not defined and DEBUG == 1

    # Optional full JSON (debug)
    - name: Collabora | Full JSON (debug)
      ansible.builtin.debug:
        var: collab_caps_json
      when: collabora_debug_caps and (collab_caps_json is defined) and DEBUG == 1