---
- name: "Ensure ddcutil is installed"
  become: true
  ansible.builtin.package:
    name: "ddcutil"
    state: "present"

- name: "Ensure kernel module is loaded on boot"
  become: true
  ansible.builtin.copy:
    dest: "/etc/modules-load.d/i2c.conf"
    mode: "0644"
    content: |
      i2c-dev

- name: "Ensure i2c group is created"
  become: true
  ansible.builtin.group:
    name: "i2c"
    state: "present"

- name: "Ensure $USER is added to i2c group"
  become: true
  ansible.builtin.user:
    name: "{{ username }}"
    groups: "i2c"
    append: true

- name: "Create udev rule for i2c device permissions"
  become: true
  ansible.builtin.copy:
    dest: "/etc/udev/rules.d/99-i2c.rules"
    mode: "0644"
    content: |
      KERNEL=="i2c-[0-9]*", GROUP="i2c", MODE="0660"
  notify:
    - "Reload rules"