- name: setup nginx
  gather_facts: no
  hosts: "{{target}}"
  become: "{{become_var}}"
  vars:
    brotli: no
  tasks:

  - name: check nginx is installed
    shell:
      executable: /bin/bash
      cmd: "[[ -x `which nginx` ]]"
    changed_when: false
    check_mode: false

  # fine for both debian and redhat systems (incl. Bitrix)
  - name: catch-all vhost page
    copy:
      content: |
        <p>nothing here
      dest: /var/www/html/index.html

  # single master template for all?
  #- name: nginx setup
  #  template:
  #    src: nginx.conf
  #    dest: /etc/nginx/nginx.conf
  #    mode: 0644
  #  notify: reload nginx

  # templating possible but not necessary
  - name: host-specific overall nginx config
    template:
      src: "{{playbook_dir}}/../../configs/nginx/{{inventory_hostname_short}}/nginx.conf"
      dest: /etc/nginx/nginx.conf
    notify: reload nginx

  - name: define conf.d/ file list
    set_fact:
      # fileglob lists file pathes separated by a comma - convert to list
      # also we want the basename to be able to check found files against that list
      confs: "{{ lookup( 'fileglob', '{{playbook_dir}}/../../configs/nginx/' + inventory_hostname_short + '/conf.d/*.conf' ) | split(',') | map('basename') }}"

  - debug: var=confs

  # assuming raw file without templating
  - name: host-specific nginx vhost configs
    copy:
      src: "{{playbook_dir}}/../../configs/nginx/{{inventory_hostname_short}}/conf.d/{{item}}"
      dest: /etc/nginx/conf.d/{{item}}
    loop: "{{confs}}"
    notify: reload nginx

  - name: find existing files
    find:
      paths: /etc/nginx/conf.d/
    register: found

  - name: clean-up unknown files
    stat:
      path: "{{item.path}}"
    loop: "{{found.files}}"
    loop_control:
      label: "descr {{item.mode}} {{item.pw_name}} {{item.gr_name}} {{item.path}}"
    changed_when: item.path | basename not in confs
    register: statecheck

  - fail:
      msg: remove those files or add to code
    when: statecheck.changed

  handlers:

  - name: reload nginx
    shell:
      executable: /bin/bash
      cmd: "systemctl reload nginx 2>/dev/null || nginx -s reload"

  - name: restart nginx
    shell:
      executable: /bin/bash
      cmd: "systemctl restart nginx 2>dev/null || nginx -s reopen"