---
- name: Validate the supported platform
  ansible.builtin.assert:
    that:
      - ansible_facts.distribution == "Ubuntu"
      - ansible_facts.distribution_version == "26.04"
      - ansible_facts.architecture in ["x86_64", "aarch64"]
    fail_msg: Narratio supports Ubuntu 26.04 on x86_64 or aarch64.

- name: Install Git
  become: true
  ansible.builtin.apt:
    name: git
    state: present
    update_cache: true
    cache_valid_time: 3600
  when: narratio_manage_build_dependencies

- name: Install Go
  become: true
  community.general.snap:
    name: go
    channel: "{{ narratio_go_snap_channel }}"
    classic: true
    state: present
  when: narratio_manage_build_dependencies

- name: Create the Narratio group
  become: true
  ansible.builtin.group:
    name: "{{ narratio_group }}"
    system: true

- name: Create the Narratio account
  become: true
  ansible.builtin.user:
    name: "{{ narratio_user }}"
    group: "{{ narratio_group }}"
    system: true
    home: "{{ narratio_workspace_root }}"
    create_home: false
    shell: /usr/sbin/nologin

- name: Create installation parent directories
  become: true
  ansible.builtin.file:
    path: "{{ item }}"
    state: directory
    owner: root
    group: root
    mode: "0755"
  loop:
    - "{{ narratio_source_dir | dirname }}"
    - "{{ narratio_binary_path | dirname }}"

- name: Create configuration directory
  become: true
  ansible.builtin.file:
    path: "{{ narratio_config_path | dirname }}"
    state: directory
    owner: "{{ narratio_config_owner }}"
    group: "{{ narratio_config_group }}"
    mode: "{{ narratio_config_directory_mode }}"

- name: Create mutable Narratio roots
  become: true
  ansible.builtin.file:
    path: "{{ item }}"
    state: directory
    owner: "{{ narratio_user }}"
    group: "{{ narratio_group }}"
    mode: "2775"
  loop:
    - "{{ narratio_workspace_root }}"
    - "{{ narratio_spool_root }}"
    - "{{ narratio_cache_root }}"

- name: Create the campaign registry root
  become: true
  ansible.builtin.file:
    path: "{{ narratio_campaigns_root }}"
    state: directory
    owner: root
    group: "{{ narratio_group }}"
    mode: "0755"

- name: Check out Narratio source
  become: true
  ansible.builtin.git:
    repo: "{{ narratio_repository_url }}"
    dest: "{{ narratio_source_dir }}"
    version: "{{ narratio_version }}"
    force: true
  register: narratio_checkout

- name: Inspect the installed binary
  ansible.builtin.stat:
    path: "{{ narratio_binary_path }}"
  register: narratio_binary

- name: Build Narratio
  become: true
  ansible.builtin.command:
    argv:
      - "{{ narratio_go_binary }}"
      - build
      - -trimpath
      - -ldflags
      - "-s -w -X gitea.maximumdirect.net/eric/narratio/internal/buildinfo.Version={{ narratio_version }}"
      - -o
      - "{{ narratio_binary_path }}"
      - ./cmd/narratio
    chdir: "{{ narratio_source_dir }}"
  environment:
    CGO_ENABLED: "0"
    GOWORK: "off"
    GOTOOLCHAIN: local
  changed_when: true
  when: >-
    narratio_checkout.changed or
    not narratio_binary.stat.exists

- name: Converge installed metadata
  become: true
  ansible.builtin.file:
    path: "{{ item.path }}"
    state: "{{ item.state }}"
    owner: root
    group: root
    mode: "{{ item.mode | default(omit) }}"
    recurse: "{{ item.recurse | default(omit) }}"
  loop:
    - path: "{{ narratio_source_dir }}"
      state: directory
      recurse: true
    - path: "{{ narratio_binary_path }}"
      state: file
      mode: "0755"

- name: Write Narratio pipeline configuration
  become: true
  ansible.builtin.template:
    src: pipeline.yml.j2
    dest: "{{ narratio_config_path }}"
    owner: "{{ narratio_config_owner }}"
    group: "{{ narratio_config_group }}"
    mode: "{{ narratio_config_file_mode }}"