---
- name: Check if we're using the default SSH port
  ansible.builtin.wait_for:
    port: 22
    state: started
    host: "{{ ansible_ssh_host }}"
    connect_timeout: 5
    timeout: 10
  register: default_ssh
  ignore_errors: true
  ignore_unreachable: true

- name: Check custom SSH port
  when: sshd_port is defined
  block:
    - name: Change to port '{{ sshd_port }}'
      ansible.builtin.set_fact:
        ansible_port: "{{ sshd_port }}"

    - name: Check if we're using the SSH port '{{ sshd_port }}'
      ansible.builtin.wait_for:
        port: "{{ sshd_port }}"
        state: started
        host: "{{ ansible_ssh_host }}"
        connect_timeout: 5
        timeout: 10
      ignore_errors: true
      register: configured_ssh
      ignore_unreachable: true

- name: Set inventory ansible_port to default
  ansible.builtin.set_fact:
    ansible_port: 22
  when: default_ssh is defined
    and default_ssh.state | d() == "started"
  register: sshd_port_set

- name: SSH is properly configured at port '{{ sshd_port }}'
  ansible.builtin.set_fact:
    ansible_port: "{{ sshd_port }}"
  when: configured_ssh is defined
    and configured_ssh.state is defined
    and configured_ssh.state | d() == "started"
  register: sshd_port_set

- name: Configure custom SSH port
  when: sshd_port is defined
    and default_ssh is defined
    and default_ssh.state | d() == "started"
  block:
    - name: Changing default ssh port to '{{ sshd_port }}'
      become: true
      ansible.builtin.lineinfile:
        dest: /etc/ssh/sshd_config
        regexp: '^Port\s'
        line: "Port {{ sshd_port }}"
        state: present
      register: sshd_port_config

    - name: Force sshd to restart # noqa no-handler
      when: sshd_port_config.changed
      become: true
      ansible.builtin.service:
        name: ssh
        state: restarted

    - name: Change to port '{{ sshd_port }}' # noqa no-handler
      when: sshd_port_config.changed
      ansible.builtin.set_fact:
        ansible_port: "{{ sshd_port }}"

    - name: Check if we're using the SSH port '{{ sshd_port }}' # noqa no-handler
      when: sshd_port_config.changed
      ansible.builtin.wait_for:
        port: "{{ sshd_port }}"
        state: started
        host: "{{ ansible_ssh_host }}"
        connect_timeout: 5
        timeout: 10
      ignore_errors: true
      register: configured_ssh

    - name: SSH is properly configured at port '{{ sshd_port }}'
      when: sshd_port_config.changed
        and configured_ssh is defined
        and configured_ssh.state is defined
        and configured_ssh.state | d() == "started"
      ansible.builtin.set_fact:
        ansible_port: "{{ sshd_port }}"
      register: sshd_port_set

- name: Fail if SSH port was not auto-detected (unknown)
  ansible.builtin.fail:
    msg: "Host was unreachable! Check ssh port!"
  when: sshd_port_set is undefined

- name: Confirm host connection works
  ansible.builtin.ping:

- name: Run deferred setup to gather facts
  ansible.builtin.setup:

- name: Setting hostname '{{ hostname }}'
  become: true
  ansible.builtin.hostname:
    name: "{{ hostname }}"

- name: Update Package Cache (apt/Ubuntu)
  become: true
  tags: always
  ansible.builtin.apt:
    update_cache: true
  changed_when: false
  when: ansible_distribution == "Ubuntu"

- name: Update Package Cache (dnf/CentOS)
  become: true
  tags: always
  ansible.builtin.dnf:
    update_cache: true
  changed_when: false
  when: ansible_distribution == "CentOS"

- name: Update Package Cache (yum/Amazon)
  become: true
  tags: always
  ansible.builtin.dnf:
    update_cache: true
  changed_when: false
  when: ansible_distribution == "Amazon"