---

- name: Gathering existing jail directories
  find:
    file_type: directory
    paths: '{{ dynamic_jails_path }}'
    patterns: '{{ jail_prefix }}*'
  register: dirs_found

- name: Set default facts for the task
  set_fact:
    jail_THIS_is_new_created: false
    jail_{{ jail_name }}_existing_dirs: '{{ dirs_found.files | map(attribute="path") | map("basename") | sort(reverse=True) }}'

- name: Setting other defaults for this task depending on formerly set variables
  set_fact:
    jail_THIS_run_create: >-
      {{
        vars["jail_" + jail_name + "_existing_dirs"] | count == 0 or
        vars["jail_" + jail_name + "_force_recreate"]
      }}

- name: Checking if an IPv6 address is assigned
  set_fact:
    jail_THIS_with_ip6: "{{ vars['jail_' + jail_name + '_ip6'] | default(False) }}"

- name: Ensure config directory exists for the generated jails
  file:
    path: '{{ dynamic_jails_path }}/configs'
    state: directory

# ---
# Run CREATE when forced or no existing dir
# ---
- block:
  - include_tasks: '{{ vars["jail_" + jail_name + "_include_createnew_precreate"] | default(jail_include_noop) }}'
    vars:
      include_type: '{{ "jail_" + jail_name + "_include_createnew_precreate" }}'

  - name: Creating a {{ jail_name }} jail when there's none yet
    include_tasks: '{{ ansible_roles_path }}/karolyi.ansible-freebsd-jailhost-tools/tasks/jail/create.yml'

  - include_tasks: '{{ vars["jail_" + jail_name + "_include_createnew_prestart"] | default(jail_include_noop) }}'
    vars:
      include_type: '{{ "jail_" + jail_name + "_include_createnew_prestart" }}'

  - name: Starting the {{ jail_name }} jail
    include_tasks: '{{ ansible_roles_path }}/karolyi.ansible-freebsd-jailhost-tools/tasks/jail/start.yml'

  - include_tasks: '{{ vars["jail_" + jail_name + "_include_createnew_poststart"] | default(jail_include_noop) }}'
    vars:
      include_type: '{{ "jail_" + jail_name + "_include_createnew_poststart" }}'
    when: not jail_THIS_with_ip6

  when: jail_THIS_run_create


# This task here is to set a boolean to this 'level', since the jail_THIS_is_new_created is used elsewhere too.
# When we change that variable elsewhere downwards, the tasks could get skipped because the 'when' statements
# are dynamically evaluated.
- name: Set if the {{ jail_name }} jail has to be updated or a new has been created.
  set_fact:
    jail_THIS_run_update: '{{ not jail_THIS_is_new_created }}'

# ---
# Run UPDATE when not created
# ---
- name: Checking the latest {{ jail_name }} jail, updating/replacing when necessary
  include_tasks: '{{ ansible_roles_path }}/karolyi.ansible-freebsd-jailhost-tools/tasks/jail/update.yml'
  when: jail_THIS_run_update


# Remove the latest directory for tidyup when in update mode
- name: Updating jail_{{ jail_name }}_existing_dirs when necessary
  set_fact:
    jail_{{ jail_name }}_existing_dirs: '{{ vars["jail_" + jail_name + "_existing_dirs"][1:] }}'
  when: not jail_THIS_is_new_created

- name: Tidying up remaining unused jails
  include_tasks: '{{ ansible_roles_path }}/karolyi.ansible-freebsd-jailhost-tools/tasks/jail/teardown.yml'
  with_items: '{{ vars["jail_" + jail_name + "_existing_dirs"] }}'
  loop_control:
    loop_var: jail_id


- block:
  - name: Starting jail when IPv6 present
    command:
      jail -c
      {{
        vars['jail_' + jail_name + '_newest_id']
      }}

  - include_tasks: '{{ vars["jail_" + jail_name + "_include_createnew_poststart"] | default(jail_include_noop) }}'
    vars:
      include_type: '{{ "jail_" + jail_name + "_include_createnew_poststart" }}'

  when: 'jail_THIS_with_ip6 != False and jail_THIS_run_create == True'