# nextcloud/update_uptime_kuma.yml

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

  vars:
    # ---- VM access via sshpass (same pattern as your Collabora playbook) ----
    vm_ip:   "{{ lookup('env', 'VM_IP') }}"
    vm_user: "{{ lookup('env', 'VM_USER') }}"
    vm_pass: "{{ lookup('env', 'VM_PASS') }}"
    use_sudo: false

    # ---- Uptime Kuma specifics ----
    kuma_url: "https://monitor.martinfencl.eu/"
    kuma_project: "uptime-kuma"                       # adjust if your compose project has a different name
    kuma_compose_file: "/data/compose/uptime-kuma/docker-compose.yml"  # adjust path to your compose file

    # ---- Docker CLI prefix (keeps your style) ----
    docker_prefix: "unalias docker 2>/dev/null || true; DOCKER_CLI_HINTS=0; command docker"

    # ---- Update commands: pull image + compose pull/up for the specific service ----
    kuma_commands:
      - "{{ docker_prefix }} pull -q louislam/uptime-kuma:latest >/dev/null"
      - "{{ docker_prefix }} compose -p {{ kuma_project }} -f {{ kuma_compose_file }} pull uptime-kuma >/dev/null"
      - "{{ docker_prefix }} compose -p {{ kuma_project }} -f {{ kuma_compose_file }} up -d --no-deps --force-recreate uptime-kuma >/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 Uptime Kuma update commands on VM (via SSH)
      ansible.builtin.command:
        argv:
          - sshpass
          - -p
          - "{{ vm_pass }}"
          - ssh
          - -o
          - StrictHostKeyChecking=no
          - -o
          - ConnectTimeout=15
          - "{{ vm_user }}@{{ vm_ip }}"
          - bash
          - -lc
          - "{{ ('sudo ' if use_sudo else '') + item }}"
      loop: "{{ kuma_commands }}"
      register: kuma_cmds
      changed_when: false

    - name: Show outputs for each Uptime Kuma command
      ansible.builtin.debug:
        msg: |
          CMD: {{ item.item }}
          RC:  {{ item.rc }}
          STDOUT:
          {{ (item.stdout | default('')).strip() }}
          STDERR:
          {{ (item.stderr | default('')).strip() }}
      loop: "{{ kuma_cmds.results }}"

    - name: Fail play if any Uptime Kuma command failed
      ansible.builtin.assert:
        that: "item.rc == 0"
        fail_msg: "Uptime Kuma update failed on VM: {{ item.item }} (rc={{ item.rc }})"
        success_msg: "All Uptime Kuma update commands succeeded."
      loop: "{{ kuma_cmds.results }}"

    # ---- Health check from the controller: wait for 200 on the public URL ----
    - name: Uptime Kuma | Wait for web to return 200 (controller first)
      ansible.builtin.uri:
        url: "{{ kuma_url }}"
        method: GET
        return_content: true
        validate_certs: true
        status_code: 200
      register: kuma_controller
      delegate_to: localhost
      run_once: true
      retries: 15          # allow a bit more time after container recreate
      delay: 2
      until: kuma_controller.status == 200
      failed_when: false
      changed_when: false

    # ---- Optional: VM-side fetch (curl via SSH) to double-check reachability from the VM ----
    - name: Uptime Kuma | VM-side fetch HTML (via Python)
      ansible.builtin.command:
        argv:
          - sshpass
          - -p
          - "{{ vm_pass }}"
          - ssh
          - -o
          - StrictHostKeyChecking=no
          - -o
          - ConnectTimeout=15
          - "{{ vm_user }}@{{ vm_ip }}"
          - bash
          - -lc
          - |
            python3 - <<'PY'
            import sys, urllib.request, ssl
            try:
                ctx = ssl.create_default_context()
                with urllib.request.urlopen("{{ kuma_url }}", timeout=15, context=ctx) as r:
                    sys.stdout.write(r.read().decode(errors="ignore"))
            except Exception:
                pass
            PY
      register: kuma_vm
      changed_when: false
      failed_when: false
      when: kuma_controller.status | default(0) != 200 or kuma_controller.content is not defined

    # ---- Pick HTML source (controller wins) ----
    - name: Uptime Kuma | Choose HTML (controller wins, else VM)
      ansible.builtin.set_fact:
        kuma_html: >-
          {{
            (kuma_controller.content
              if (kuma_controller.status|default(0))==200 and (kuma_controller.content is defined)
              else ((kuma_vm.stdout | default('') | trim | length > 0) | ternary(kuma_vm.stdout | trim, omit))
            )
          }}
      failed_when: false

    # ---- Print concise summary (tries to extract <title> if present) ----
    - name: Uptime Kuma | Print concise summary
      ansible.builtin.debug:
        msg: >-
          Uptime Kuma is reachable at {{ kuma_url }}
          (HTTP {{ kuma_controller.status | default('unknown') }}).
          Title="{{ (kuma_html | default('') | regex_search('(?is)<title[^>]*>(.*?)</title>', '\\1')) | default('n/a') }}"
      when: kuma_html is defined

    - name: Uptime Kuma | Web unavailable (after retries)
      ansible.builtin.debug:
        msg: "Uptime Kuma web není dostupný ani po pokusech."
      when: kuma_html is not defined

    # ---- Optional: full HTML length (debug only, not the content itself) ----
    - name: Uptime Kuma | HTML length (debug)
      ansible.builtin.debug:
        msg: "Fetched HTML length: {{ (kuma_html | default('') | length) }}"
      when: kuma_html is defined