---
- name: Ensure XMPP ports are open
  ufw:
    rule: allow
    port: "{{ item }}"
    proto: tcp
  with_items:
    - 5269
    - 5222

- name: Configure Prosody VirtualHosts from Onion services.
  when: prosody_virtualhost_onions is defined
  import_tasks: configure-virtualhost-onions.yaml

- name: Install Prosody.
  include_tasks: "install-{{ ansible_os_family | default('Debian') | lower }}.yaml"

- name: Import certificates from Let's Encrypt
  shell: prosodyctl --root cert import /etc/letsencrypt/live

- name: Ensure Prosody TLS key is readable.
  file:
    path: /etc/prosody/certs/localhost.key
    owner: "{{ prosody_server_username }}"
    group: "{{ prosody_server_username }}"
    mode: "400"
  notify: Restart Prosody.

# FIXME: Variablize this so not only `localhost.{crt,key}` are used.
- name: Enable HTTPS TLS certificates.
  file:
    src: "{{ item.src }}"
    dest: "/etc/prosody/certs/{{ item.dest }}"
    state: link
  loop:
    - src: localhost.key
      dest: https.key
    - src: localhost.crt
      dest: https.crt

- name: Ensure Prosody VirtualHost configuration directories exist.
  file:
    path: "/etc/prosody/{{ item }}"
    state: directory
    owner: "{{ prosody_server_username }}"
    group: "{{ prosody_server_username }}"
    mode: "700"
  loop:
    - virtualhosts-available
    - virtualhosts-enabled

- name: Ensure Prosody plugin directories exist.
  when: prosody_config.plugin_paths is defined
  file:
    path: "{{ item }}"
    state: directory
    owner: "{{ prosody_server_username }}"
    group: "{{ prosody_server_username }}"
    mode: "500"
  loop: "{{ prosody_config.plugin_paths }}"

- name: Install Prosody plugin.
  when:
    - prosody_config.plugin_paths is defined
    - prosody_plugins is defined
    - item.state | default('present') == "present"
  get_url:
    url: "{{ prosody_plugins_src_base_url }}{{ item.version | default('tip') }}/mod_{{ item.name }}/mod_{{ item.name }}.lua"
    # FIXME: Which plugin path? Just the first one, for now.
    dest: "{{ prosody_config.plugin_paths[0] }}/mod_{{ item.name }}.lua"
    checksum: "{{ item.checksum | default(omit) }}"
    owner: "{{ prosody_server_username }}"
    group: "{{ prosody_server_username }}"
    mode: "400"
  loop: "{{ prosody_plugins }}"
  notify: Restart Prosody.

- name: Remove Prosody plugin.
  when:
    - prosody_config.plugin_paths is defined
    - prosody_plugins is defined
    - item.state | default('present') == "absent"
  file:
    # FIXME: Which plugin path? Just the first one, for now.
    path: "{{ prosody_config.plugin_paths[0] }}/mod_{{ item.name }}.lua"
    state: "{{ item.state | default('absent') }}"
  loop: "{{ prosody_plugins }}"

- name: Add deploy hook to Let's Encrypt
  copy:
    src: files/prosody-deploy-hook.sh
    dest: /etc/letsencrypt/renewal-hooks/deploy/prosody-deploy-hook.sh
    mode: 0755
    backup: yes

- name: Configure LDAP options
  include_tasks: configure_ldap.yml
  when: ldap_config is defined
# TODO(unknwon): Support variable directory placements.
# TODO(unknwon): Support specific TLS key/crt files rather than just `localhost`.
# - name: Manage VirtualHost TLS keys and certificates.
#   vars:
#     file_types:
#       - key
#       - crt
#   block:
#     - name: Link VirtualHost TLS keys and certificates.
#       when:
#         - prosody_config.VirtualHosts is defined
#         - item.0.domain != "localhost"
#         - item.0.state | default('present') == "present"
#       file:
#         path: "/etc/prosody/certs/{{ item.0.domain }}.{{ item.1 }}"
#         state: link
#         src: "localhost.{{ item.1 }}"
#       loop: "{{ prosody_config.VirtualHosts | product(file_types) | list }}"

#     - name: Remove TLS keys and certificates from absent VirtualHosts.
#       when:
#         - prosody_config.VirtualHosts is defined
#         - item.0.domain != "localhost"
#         - item.0.state | default('present') == "absent"
#       file:
#         path: "/etc/prosody/certs/{{ item.0.domain }}.{{ item.1 }}"
#         state: absent
#       loop: "{{ prosody_config.VirtualHosts | product(file_types) | list }}"

- name: Write Prosody configuration.
  template:
    src: prosody.cfg.lua.j2
    dest: /etc/prosody/prosody.cfg.lua
    owner: "{{ prosody_server_username }}"
    group: "{{ prosody_server_username }}"
    mode: "600"
    # TODO(unknwon): Fix validation.
    #validate: "prosodyctl --config %s check config"
  notify: Restart Prosody.

- name: Write Prosody VirtualHost configuration.
  when:
    - prosody_config.VirtualHosts is defined
    - item.state | default('present') == "present"
  template:
    src: prosody-virtualhost.cfg.lua.j2
    dest: "/etc/prosody/virtualhosts-available/{{ item.domain }}.cfg.lua"
    owner: "{{ prosody_server_username }}"
    group: "{{ prosody_server_username }}"
    mode: "600"
    # TODO(unknwon): Fix validation.
    #validate: "prosodyctl --config %s check config"
  loop: "{{ prosody_config.VirtualHosts }}"
  notify: Restart Prosody.

- name: Enable Prosody VirtualHost configuration.
  when:
    - prosody_config.VirtualHosts is defined
    - item.enabled | default(true)
  file:
    path: "/etc/prosody/virtualhosts-enabled/{{ item.domain }}.cfg.lua"
    state: link
    src: "/etc/prosody/virtualhosts-available/{{ item.domain }}.cfg.lua"
  loop: "{{ prosody_config.VirtualHosts }}"
  notify: Restart Prosody.

- name: Remove absent Prosody VirtualHost configuration.
  when:
    - prosody_config.VirtualHosts is defined
    - item.0.state | default('present') == "absent"
  file:
    path: "/etc/prosody/{{ item.1 }}/{{ item.0.domain }}.cfg.lua"
    state: absent
  loop: "{{ prosody_config.VirtualHosts | product(paths) | list }}"
  vars:
    paths:
      - "virtualhosts-available"
      - "virtualhosts-enabled"
  notify: Restart Prosody.

- name: Set Prosody user accounts.
  include_tasks: users.yaml
  no_log: true
  loop: "{{ prosody_users }}"
  vars:
    account_file: "{{ prosody_server_data_dir }}/{{ item.jid.split('@') | last | replace('.', '%2e') }}/accounts/{{ item.jid.split('@') | first }}.dat"