- hosts: localhost
  connection: local
  become: false
  tasks:
    - name: read machine-specific variables
      include_vars:
        file: _machines/{{ ansible_hostname }}.yml
        name: machine
      tags:
        - always

    - set_fact:
        distro: "{{ ansible_distribution|lower }}"
      tags:
        - always

    - set_fact:
        user: "{{ ansible_user_id }}"
      tags:
        - always

    - name: configure sudoers
      lineinfile:
        path: /etc/sudoers
        line: "{{ user }} ALL=(ALL) NOPASSWD:ALL"
        regexp: "^{{ user }}\\s+"
      become: true

    - name: set shell
      user:
        name: "{{ user }}"
        shell: /usr/bin/zsh
      become: true

    - name: install selinux specials on fedora
      dnf:
        state: installed
        name:
          - python2-libselinux
          - policycoreutils-python
      become: true
      when: distro == 'fedora'

    - name: load package list
      include_vars:
        file: packages.yml

    - name: enable neovim ppa
      apt_repository:
        repo: 'ppa:neovim-ppa/stable'
        update_cache: true
      become: true
      when: distro == 'ubuntu'

    - set_fact:
        defined_packages: "{{ packages|json_query('keys(list)') }}"

    - set_fact:
        distro_packages: "{{ packages|json_query('list.*.%s'|format(distro)) }}"

    - name: check list
      assert:
        that: "defined_packages|length == distro_packages|length"

    - name: install packages
      package:
        name: "{{ packages|json_query(query) }}"
        state: installed
      become: true
      vars:
        query: "{{ 'list.*.%s[]'|format(distro) }}"

    - set_fact:
        disable_services:
          - sshd
      when: distro == 'fedora'

    - set_fact:
        disable_services:
          - ssh
      when: distro != 'fedora'

    - name: disable services
      service:
        state: stopped
        enabled: false
        name: "{{ item }}"
      with_items: "{{ disable_services }}"
      become: true

    - name: enable services
      service:
        state: started
        enabled: true
        name: "{{ item }}"
      with_items:
        - NetworkManager
        - docker
        - libvirtd
      become: true

    - name: set groups for fedora
      user:
        name: "{{ user }}"
        groups:
          - libvirt
          - wheel
          - vboxusers
          - wireshark
          - docker
      become: true
      when: distro == 'fedora'

    - name: set groups for ubuntu
      user:
        name: "{{ user }}"
        groups:
          - adm
          - cdrom
          - sudo
          - dip
          - plugdev
          - lpadmin
          - sambashare
          - docker
          - libvirt
      become: true
      when: distro == 'ubuntu'

    - name: get systemd boot target
      command: systemctl get-default
      register: systemd_target
      changed_when: false

    - set_fact:
        default_target: multi-user.target

    - name: set systemd boot target
      command: systemctl set-default {{ default_target }}
      when: systemd_target.stdout != default_target
      become: true

    - name: handle lid switch
      lineinfile:
        path: /etc/systemd/logind.conf
        regexp: '^HandleLidSwitch='
        line: 'HandleLidSwitch=ignore'
      become: true

    - name: handle power key
      lineinfile:
        path: /etc/systemd/logind.conf
        regexp: '^HandlePowerKey='
        line: 'HandlePowerKey=suspend'
      become: true

    - name: create directory for getty autologin
      file:
        state: directory
        path: /etc/systemd/system/getty@tty1.service.d
        owner: root
        group: root
        mode: '0755'
      become: true

    - name: enable getty autologin
      copy:
        dest: /etc/systemd/system/getty@tty1.service.d/override.conf
        owner: root
        group: root
        mode: '0644'
        content: |
          [Service]
          ExecStart=
          ExecStart=-/sbin/agetty --autologin {{ user }} --noclear %I $TERM
      become: true

    - name: load dotfile list
      include_vars:
        file: dotfiles.yml
      tags:
        - dotfiles

    - name: get state of empty directories
      stat:
        path: ~/{{ item.name }}
      register: empty_dir_stat
      with_items: "{{ empty_directories }}"
      tags:
        - dotfiles

    - name: remove sysmlinks
      file:
        path: "{{ item.stat.path }}"
        state: absent
      when: item.stat.exists and item.stat.islnk
      with_items: "{{ empty_dir_stat.results }}"
      tags:
        - dotfiles

    - name: create empty directories for dotfiles
      file:
        state: directory
        path: ~/{{ item.name }}
        mode: "{{ item.mode | default('0755') }}"
      with_items: "{{ empty_directories }}"
      tags:
        - dotfiles

    - name: link this folder to ~/.dotfiles
      file:
        state: link
        force: true
        path: "{{ ansible_user_dir }}/.dotfiles"
        src: "{{ playbook_dir }}"
      tags:
        - dotfiles

    - name: link dotfiles
      file:
        state: link
        force: true
        path: "{{ ansible_user_dir }}/{{ item.to }}"
        src: ~/.dotfiles/{{ item.from }}
      when: not item.template|default(false)
      with_items: "{{ dotfiles }}"
      tags:
        - dotfiles

    - name: get state of template targets
      stat:
        path: ~/{{ item.to }}
      register: template_stat
      when: item.template|default(false)
      with_items: "{{ dotfiles }}"
      tags:
        - dotfiles

    - name: remove invalid template target (directory or symlink)
      file:
        path: "{{ item.stat.path }}"
        state: absent
      when:
        - not item.skipped is defined or not item.skipped
        - item.stat.exists
        - not item.stat.isreg
      with_items: "{{ template_stat.results }}"
      tags:
        - dotfiles

    - name: deploy dotfiles templates
      template:
        src: ~/.dotfiles/{{ item.from }}.j2
        dest: "{{ ansible_user_dir }}/{{ item.to }}"
        force: true
      when: item.template|default(false)
      with_items: "{{ dotfiles }}"
      tags:
        - dotfiles

    - name: create directories
      file:
        state: directory
        path: "{{ item }}"
      with_items:
        - ~/.var/lib
        - ~/.var/log
        - ~/.var/run
        - ~/.usr/lib

    - name: create intermediate directories for vim-plug
      file:
        path: "{{ item }}"
        state: directory
      with_items:
        - ~/.local/
        - ~/.local/share/
        - ~/.local/share/nvim/
        - ~/.local/share/nvim/site/
        - ~/.local/share/nvim/site/autoload/
        - ~/.vim/
        - ~/.vim/autoload

    - name: install vim-plug
      get_url:
        dest: ~/.vim/autoload/plug.vim
        url: https://raw.githubusercontent.com/junegunn/vim-plug/master/plug.vim
      tags:
        - vim

    - name: symlink vim-plug for neovim
      file:
        state: link
        path: ~/.local/share/nvim/site/autoload/plug.vim
        src: ~/.vim/autoload/plug.vim
        force: true
      tags:
        - vim

    - name: install vim plugins
      command: /usr/bin/nvim -f -E -s -c "source ~/.vimrc" +PlugInstall +qall
      register: vim_plugins_stdout
      changed_when: vim_plugins_stdout.stdout_lines|length != 0
      tags:
        - vim

    - name: compile youcompleteme
      shell: |
        cd ~/.local/share/nvim/plugged/YouCompleteMe/
        ./install.py --go-completer
      args:
        creates: ~/.local/share/nvim/plugged/YouCompleteMe/third_party/ycmd/ycm_core.so
      when: vim_plugins_stdout.stdout_lines|length != 0 or true
      tags:
        - vim