---
# The ZSH installation instructions are sourced from this blog:
# https://harshithashok.com/tools/oh-my-zsh-with-starship/
- name: Create a new user
  become: true
  ansible.builtin.user:
    append: true
    groups:
      - users
    name: "{{ user_username }}"
    # Salt is necessary, see: https://stackoverflow.com/questions/56869949/ansible-user-module-always-shows-changed
    password: "{{ user_password | password_hash('sha512', password_salt) }}"
  when: user_username is not undefined # Skip when no user is provided, we'll asume we're targetting the Ansible user.
- name: Set fact for defining the user which should run the next modules
  ansible.builtin.set_fact:
    target_user: "{{ ansible_facts['user_id'] if user_username is undefined else user_username }}"
- name: Ensuring ZSH is installed # noqa: package-latest
  become: true
  ansible.builtin.apt:
    pkg:
      - acl # Needed to prevent this error: https://stackoverflow.com/questions/46352173/ansible-failed-to-set-permissions-on-the-temporary
      - git
      - zsh
    state: latest
- name: Install Oh My ZSH # noqa: command-instead-of-module   ignore error since we're removing the script after install.
  become: true
  become_user: "{{ target_user }}"
  ansible.builtin.shell: |
    wget https://raw.githubusercontent.com/ohmyzsh/ohmyzsh/master/tools/install.sh
    chmod u+x install.sh
    ./install.sh --unattended
    rm install.sh
  args:
    executable: /bin/bash
    creates: ~/.oh-my-zsh
- name: Install Starship # noqa: command-instead-of-module   ignore error since we're removing the script after install.
  become: true
  ansible.builtin.shell: |
    wget https://starship.rs/install.sh
    chmod u+x install.sh
    ./install.sh --yes
    rm install.sh
  args:
    executable: /bin/bash
    creates: /usr/local/bin/starship
- name: Install zsh-autosuggestions # noqa: command-instead-of-module   ignore error since we're removing the script after install.
  become: true
  become_user: "{{ target_user }}"
  ansible.builtin.command:
    cmd: git clone https://github.com/zsh-users/zsh-autosuggestions ~/.oh-my-zsh/custom/plugins/zsh-autosuggestions
    creates: ~/.oh-my-zsh/custom/plugins/zsh-autosuggestions
- name: Clear "ZSH_THEME" in ~/.zshrc
  become: true
  become_user: "{{ target_user }}"
  ansible.builtin.lineinfile:
    path: ~/.zshrc
    regexp: '^ZSH_THEME="[^"]+"$'
    line: ZSH_THEME=""
- name: Add the zsh-autosuggestions plugin in ~/.zshrc
  become: true
  become_user: "{{ target_user }}"
  ansible.builtin.lineinfile:
    path: ~/.zshrc
    regexp: '^plugins=\((.*)(?<!zsh-autosuggestions)\)$'
    line: 'plugins=(\1 zsh-autosuggestions)'
    backrefs: true
# For some reason snap isn't properly configured and its bin directory isn't added to the $PATH variable.
# This probably has something to do with the hardening rules, instead we'll fix it here.
- name: Add Starship config and Snapcraft to ~/.zshrc
  become: true
  become_user: "{{ target_user }}"
  ansible.builtin.blockinfile:
    path: ~/.zshrc
    block: |-
      # Add Snapcraft to $PATH
      export PATH=$PATH:/snap/bin

      # Starship
      eval "$(starship init zsh)"
- name: Change the default shell of the current user
  become: true
  ansible.builtin.user:
    name: "{{ target_user }}"
    shell: /usr/bin/zsh