---
- name: Install phoenixd runtime dependencies
  apt:
    name:
      - unzip
      - curl
    state: present
    update_cache: yes

# System User and Directories
- name: Create phoenixd system group
  group:
    name: "{{ phoenixd_group }}"
    system: yes

- name: Create phoenixd system user
  user:
    name: "{{ phoenixd_user }}"
    group: "{{ phoenixd_group }}"
    system: yes
    shell: /usr/sbin/nologin
    home: "{{ phoenixd_home }}"
    create_home: yes
    comment: "phoenixd Lightning node"

- name: Create phoenixd home directory
  file:
    path: "{{ phoenixd_home }}"
    state: directory
    owner: "{{ phoenixd_user }}"
    group: "{{ phoenixd_group }}"
    mode: "0750"

- name: Create phoenixd data directory
  file:
    path: "{{ phoenixd_data_dir }}"
    state: directory
    owner: "{{ phoenixd_user }}"
    group: "{{ phoenixd_group }}"
    mode: "0700"

# Download and Install
- name: Check if phoenixd is already installed
  stat:
    path: "{{ phoenixd_bin_dir }}/phoenixd"
  register: phoenixd_binary

- name: Check installed phoenixd version
  command: "{{ phoenixd_bin_dir }}/phoenixd --version"
  register: phoenixd_installed_version
  changed_when: false
  failed_when: false
  when: phoenixd_binary.stat.exists

- name: Decide whether phoenixd needs installing
  set_fact:
    phoenixd_needs_install: >-
      {{ not phoenixd_binary.stat.exists
         or phoenixd_version not in (phoenixd_installed_version.stdout | default('')) }}

- name: Download phoenixd {{ phoenixd_version }}
  get_url:
    url: "{{ phoenixd_url }}"
    dest: "/tmp/phoenixd-{{ phoenixd_version }}.zip"
    mode: "0644"
  when: phoenixd_needs_install | bool

- name: Create temporary extraction directory
  file:
    path: /tmp/phoenixd-extract
    state: directory
    mode: "0755"
  when: phoenixd_needs_install | bool

- name: Extract phoenixd archive
  unarchive:
    src: "/tmp/phoenixd-{{ phoenixd_version }}.zip"
    dest: /tmp/phoenixd-extract
    remote_src: yes
  when: phoenixd_needs_install | bool

- name: Locate extracted binaries
  find:
    paths: /tmp/phoenixd-extract
    patterns: "{{ item }}"
    recurse: yes
    file_type: file
  register: phoenixd_extracted
  loop:
    - phoenixd
    - phoenix-cli
  when: phoenixd_needs_install | bool

- name: Fail if the archive did not contain the expected binaries
  assert:
    that:
      - item.files | length > 0
    fail_msg: "Could not find '{{ item.item }}' in the phoenixd {{ phoenixd_version }} archive"
  loop: "{{ phoenixd_extracted.results }}"
  loop_control:
    label: "{{ item.item }}"
  when: phoenixd_needs_install | bool

- name: Install phoenixd and phoenix-cli binaries
  copy:
    src: "{{ item.files[0].path }}"
    dest: "{{ phoenixd_bin_dir }}/{{ item.item }}"
    remote_src: yes
    owner: root
    group: root
    mode: "0755"
  loop: "{{ phoenixd_extracted.results }}"
  loop_control:
    label: "{{ item.item }}"
  when: phoenixd_needs_install | bool
  notify: Restart phoenixd

- name: Clean up phoenixd download artifacts
  file:
    path: "{{ item }}"
    state: absent
  loop:
    - "/tmp/phoenixd-{{ phoenixd_version }}.zip"
    - /tmp/phoenixd-extract