---

- name: Apache | Showing debug info - user provided config
  ansible.builtin.debug:
    var: apache
  when: debug | bool

- name: Apache | Showing debug info - running config
  ansible.builtin.debug:
    var: APACHE_CONFIG
  when: debug | bool

- name: Apache | Install apache
  ansible.builtin.apt:
    name: "{{ APACHE_HC.packages }}"
    state: present
    update_cache: true
  tags: [base]

- name: Apache | Creating service user
  ansible.builtin.user:
    name: "{{ APACHE_CONFIG.user }}"
    shell: '/usr/sbin/nologin'
    comment: 'Apache Service User'
  tags: [base]

- name: Apache | Setting service user
  ansible.builtin.lineinfile:
    state: present
    path: '/etc/apache2/envvars'
    regexp: "{{ item.reg }}"
    line: "{{ item.line }}"
  register: apache_user_update_raw
  loop:
    - {reg: '^export APACHE_RUN_USER=', line: "export APACHE_RUN_USER={{ APACHE_CONFIG.user }}"}
    - {reg: '^export APACHE_RUN_GROUP=', line: "export APACHE_RUN_GROUP={{ APACHE_CONFIG.group }}"}
  tags: [base, config]

# NOTE: a2enmod/a2dismod command saves time in comparison to the community 'apache2_module' module
- name: Apache | Enabling apache modules
  ansible.builtin.command: "a2enmod {{ APACHE_CONFIG.modules.present | enmod_list(APACHE_CONFIG.modules.absent) }}"
  register: apache_mods_enable_raw
  changed_when: "'restart apache2' in apache_mods_enable_raw.stdout"
  when: APACHE_CONFIG.modules.present | ensure_list | length > 0
  tags: [base]

- name: Apache | Disabling apache modules
  ansible.builtin.command: "a2dismod -f {{ APACHE_CONFIG.modules.absent | mod_list }}"
  register: apache_mods_disable_raw
  changed_when: "'restart apache2' in apache_mods_disable_raw.stdout"
  when: APACHE_CONFIG.modules.absent | ensure_list | length > 0
  tags: [base]

# todo: configure module settings

- name: Apache | Adding main settings
  ansible.builtin.lineinfile:
    state: present
    path: '/etc/apache2/apache2.conf'
    regexp: "{{ item.key }}\\s"
    line: "{{ item.key }} {{ item.value }}"
    validate: "apachectl -t -f %s"
  register: apache_settings_raw
  with_dict: "{{ APACHE_CONFIG.settings }}"
  tags: [config, base]

- name: Apache | Restarting apache
  ansible.builtin.systemd:
    name: 'apache2.service'
    state: restarted
  when: >
    apache_user_update_raw.changed or
    apache_mods_enable_raw.changed or
    apache_mods_disable_raw.changed or
    apache_settings_raw.changed
  tags: [base, config]

# is an additional site-loop since certificates can be pre-/absent
- name: Apache |  Getting certificates using LetsEncrypt
  ansible.builtin.include_role:
    name: oxlorg.certs
  when: site.ssl.mode == 'letsencrypt'
  vars:
    site: "{{ defaults_site | combine(site_item.value, recursive=true) }}"
    name: "{{ site_item.key | safe_key }}"
    certs:
      mode: 'le_certbot'
      path: "{{ APACHE_CONFIG.ssl.path }}"
      owner_key: "{{ APACHE_CONFIG.user }}"
      group_key: "{{ APACHE_CONFIG.group }}"
      owner_cert: "{{ APACHE_CONFIG.user }}"
      group_cert: "{{ APACHE_CONFIG.group }}"
      letsencrypt:
        certs: "{{ site | prepare_letsencrypt(name) }}"
        path: "{{ APACHE_CONFIG.letsencrypt.path }}"
        email: "{{ APACHE_CONFIG.letsencrypt.email }}"
        renew_timer: "{{ APACHE_CONFIG.letsencrypt.renew_timer }}"
        verbosity: "{{ APACHE_CONFIG.letsencrypt.verbosity }}"
        service: 'apache'
        renew: "{{ APACHE_CONFIG.letsencrypt.renew }}"
  loop_control:
    loop_var: site_item
  with_dict: "{{ APACHE_CONFIG.sites }}"
  no_log: true
  tags: [certs, sites]
  args:
    apply:
      tags: [certs, sites]

- name: Apache | Disabling default apache sites
  ansible.builtin.file:
    state: absent
    dest: "/etc/apache2/sites-enabled/{{ item }}"
  loop:
    - '000-default.conf'
    - 'default-ssl.conf'
  tags: [config, base]

- name: Apache | Removing status page
  ansible.builtin.include_tasks: rm_status.yml
  when: APACHE_CONFIG.status_page.state != 'present'
  args:
    apply:
      tags: [config, sites, base]
  tags: [config, sites, base]

- name: Apache | Removing site
  ansible.builtin.include_tasks: rm_site.yml
  when: site.state != 'present'
  vars:
    site: "{{ defaults_site | combine(site_item.value, recursive=true) }}"
    name: "{{ site_item.key | safe_key }}"
    path: "{{ site.serve.path }}"
  loop_control:
    loop_var: site_item
  with_dict: "{{ APACHE_CONFIG.sites }}"
  no_log: true
  tags: [config, sites, certs]
  args:
    apply:
      tags: [config, sites, certs]

- name: Apache | Reloading apache
  ansible.builtin.systemd:
    name: 'apache2.service'
    state: reloaded
  changed_when: false
  tags: [base, config, sites, certs]

- name: Apache | Adding status page
  ansible.builtin.include_tasks: add_status.yml
  when: APACHE_CONFIG.status_page.state == 'present'
  tags: [config, sites, base]

- name: Apache | Adding site
  ansible.builtin.include_tasks: add_site.yml
  when: site.state == 'present'
  vars:
    site: "{{ defaults_site | combine(site_item.value, recursive=true) }}"
    name: "{{ site_item.value.name | default(site_item.key, true) | safe_key }}"
    path: "{{ site.serve.path }}"
  loop_control:
    loop_var: site_item
  with_dict: "{{ APACHE_CONFIG.sites }}"
  no_log: true
  tags: [config, sites, certs]
  args:
    apply:
      tags: [config, sites, certs]

- name: Apache | Starting/Enabling apache
  ansible.builtin.systemd:
    name: 'apache2.service'
    enabled: yes
    state: started
  tags: [base]

- name: Apache | Reloading apache
  ansible.builtin.systemd:
    name: 'apache2.service'
    enabled: yes
    state: reloaded
  changed_when: false
  tags: [base, config, sites, certs]