---
# 20260716 - Hyperling
# Attempt to save battery life by having a daemon tune the CPU and disable
# unneeded components like USB, Bluetooth, WiFi, etc when not in use.

## Variables ##

- name: Workstation | Linux | Software | TLP | Facts
  set_fact:
    tlp: "tlp"
    tlp_rdw: "tlp-rdw"
    tlp_smart: "smartmontools"
    tlp_config: "/etc/tlp.conf"
    tlp_service: "tlp"
    ppd_package: "power-profiles-daemon"
    ppd_service: "power-profiles-daemon"
    acf_package: "auto-cpufreq"
    acf_service: "auto-cpufreq"

## Conflicts ##

#- name: Workstation | Linux | Software | TLP | Conflicts | Disable
#  service:
#    name: "{{ item }}"
#    state: stopped
#    enabled: false
#  loop:
#    - "{{ ppd_service }}"
#    - "{{ acf_service }}"
#  ignore_errors: yes

- name: Workstation | Linux | Software | TLP | Conflicts | Remove
  package:
    name: "{{ ppd_package }} {{ acf_package }}"
    state: absent

## Install TLP + Associated Software ##

- name: Workstation | Linux | Software | TLP | Install
  package:
    name:
      - "{{ tlp }}"
      - "{{ tlp_rdw }}"
      - "{{ tlp_smart }}"
    update_cache: yes

## Configuration ##

# Device choices:
# - bluetooth
# - nfc
# - wifi
# - wwan

# Bluetooth and WiFi are not always used so disable on boot.
# NFC and WWAN (cellular) are never used so always disable.

- name: Workstation | Linux | Software | TLP | Config
  lineinfile:
    path: "{{ tlp_config }}"
    regexp: '{{ item.key }}'
    line: '{{ item.value }} # MANAGED BY ANSIBLE'
    state: present
    create: yes
    backup: yes
  loop:
    - { "key": '^[\#]?DEVICES_TO_DISABLE_ON_STARTUP', "value": 'DEVICES_TO_DISABLE_ON_STARTUP="bluetooth nfc wifi wwan"'}
      # Ensure these stay commented, once the device is booted the user is in control. #
    - { "key": '^[\#]?DEVICES_TO_ENABLE_ON_STARTUP', "value": '#DEVICES_TO_ENABLE_ON_STARTUP=""'}
    - { "key": '^[\#]?DEVICES_TO_ENABLE_ON_AC',      "value": '#DEVICES_TO_ENABLE_ON_AC=""'}
    - { "key": '^[\#]?DEVICES_TO_DISABLE_ON_BAT',    "value": '#DEVICES_TO_DISABLE_ON_BAT=""'}
      # Help preserve battery life by not fully charging. #
    - { "key": '^[\#]?START_CHARGE_THRESH_BAT0', "value": '{{ "" if battery else "#" }}START_CHARGE_THRESH_BAT0=75'}
    - { "key": '^[\#]?STOP_CHARGE_THRESH_BAT0',  "value": '{{ "" if battery else "#" }}STOP_CHARGE_THRESH_BAT0=80'}
    - { "key": '^[\#]?START_CHARGE_THRESH_BAT1', "value": '{{ "" if battery else "#" }}START_CHARGE_THRESH_BAT1=75'}
    - { "key": '^[\#]?STOP_CHARGE_THRESH_BAT1',  "value": '{{ "" if battery else "#" }}STOP_CHARGE_THRESH_BAT1=80'}

## Enable + Start ##

# Ensure the service is running and will run after reboot.

- name: Workstation | Linux | Software | TLP | Enable + Start
  service:
    name: "{{ tlp_service }}"
    state: started
    enabled: true