---
- name: Configure Fedora 42 for optimized Sunshine + Gamescope streaming
  hosts: game_station
  vars:
    user_name: "gameuser"
    system_bin_dir: "/usr/local/bin"
    user_config_dir: "/home/{{ user_name }}/.config"
    user_bin_dir: "/home/{{ user_name }}/.local/bin"
    systemd_user_dir: "/home/{{ user_name }}/.config/systemd/user"
    systemd_system_dir: "/etc/systemd/system"
    grub_cfg: "/etc/default/grub"
    system_cores: "0,8"
    general_cores: "2-7,10-15"
    sunshine_cores: "1,9"
    screen_resolution: "{{ lookup('env', 'GAME_RESOLUTION') | d('1280x720', true) }}"
    screen_width: "{{ screen_resolution.split('x')[0] }}"
    screen_height: "{{ screen_resolution.split('x')[1] }}"
    hdr_enabled: "{{ lookup('env', 'HDR_ENABLED') | d('false', true) }}"
    output_connector: "{{ lookup('env', 'OUTPUT_CONNECTOR') | d('HDMI-A-1', true) }}"
    framerate: "{{ lookup('env', 'FRAMERATE') | d('60', true) }}"
    drm_device: "{{ lookup('env', 'DRM_DEVICE') | d('/dev/dri/card1', true) }}"
    grub_options:
      - quiet
      - splash
      - amd_pstate=active
      - nvidia_drm.modeset=1
      - fbdev=1
      - mitigations=off
      - threadirqs
      - nohz_full=1-7,9-15
      - rcu_nocbs=1-7,9-15
    nvidia_modules:
      - nvidia
      - nvidia_modeset
      - nvidia_uvm
      - nvidia_drm

  tasks:
    # --- Base dependencies ---
    - name: Run 'dnf copr enable lizardbyte/stable'
      become: true
      ansible.builtin.command: dnf copr enable -y lizardbyte/stable
      failed_when: false
      changed_when: false

    - name: Ensure core gaming and streaming packages are installed
      become: true
      ansible.builtin.dnf:
        name:
          - gamescope
          - Sunshine
          - steam
          - mangohud
          - kernel-tools
          - util-linux
          - mesa-dri-drivers
          - vulkan-tools
          - jq
          - xorg-x11-drv-nvidia
          - vulkan
          - vulkan-loader
          - nvidia-settings
          - libepoxy
          - weston
          - bubblewrap
          - waypipe
          - drm-utils
          - ethtool
        state: present

    - name: Ensure user namespaces are enabled
      become: true
      ansible.posix.sysctl:
        name: user.max_user_namespaces
        value: "15000"
        state: present
        sysctl_set: true
        reload: true

    - name: Ensure bubblewrap is setuid root (Fedora default)
      become: true
      ansible.builtin.file:
        path: /usr/bin/bwrap
        owner: root
        group: root
        mode: "04755"

    - name: Enable cpupower at boot
      become: true
      ansible.builtin.systemd:
        name: cpupower
        enabled: true
        state: started

    - name: Ensure NVIDIA modules are loaded at boot
      become: true
      ansible.builtin.copy:
        dest: /etc/modules-load.d/nvidia.conf
        owner: root
        group: root
        mode: "0644"
        content: |
          {% for module in nvidia_modules %}
          {{ module }}
          {% endfor %}
      notify: Run dracut

    - name: Determine default network interface
      ansible.builtin.set_fact:
        primary_iface: "{{ ansible_default_ipv4.interface }}"

    - name: Get NetworkManager connection name for primary interface
      become: true
      ansible.builtin.command: >
        bash -lc "nmcli -t -f NAME,DEVICE,TYPE c show --active |
        awk -F: -v IF='{{ primary_iface }}' '$2==IF && $3==\"802-3-ethernet\"{print $1; exit}'"
      register: nm_conn_name
      changed_when: false
      failed_when: nm_conn_name.stdout == ""

    - name: Ensure WOL is persistent (magic) on the NM connection
      become: true
      ansible.builtin.shell: >
        set -euo pipefail;
        cur=$(nmcli -g 802-3-ethernet.wake-on-lan connection show "{{ nm_conn_name.stdout }}" | tr -d '[:space:]');
        if [ "$cur" != "magic" ]; then
          nmcli connection modify "{{ nm_conn_name.stdout }}" 802-3-ethernet.wake-on-lan magic;
          echo changed;
        fi
      register: nm_wol_set
      changed_when: "'changed' in nm_wol_set.stdout"

    - name: Apply WOL for current boot
      become: true
      ansible.builtin.command: "ethtool -s {{ primary_iface }} wol g"
      changed_when: false
      failed_when: false

    # --- Performance kernel options ---
    - name: Tune kernel command line for isolation
      become: true
      ansible.builtin.lineinfile:
        path: "{{ grub_cfg }}"
        regexp: "^GRUB_CMDLINE_LINUX_DEFAULT="
        line: 'GRUB_CMDLINE_LINUX_DEFAULT="{{ grub_options | join(" ") }}"'
      notify: Update grub

    - name: Ensure cpupower governor is performance
      become: true
      ansible.builtin.command: cpupower frequency-set -g performance
      changed_when: false
      failed_when: false

    - name: Set default target to graphical
      become: true
      ansible.builtin.command: systemctl set-default graphical.target
      changed_when: false

    - name: Disable Unwanted services
      become: true
      ansible.builtin.systemd:
        name: "{{ item }}"
        enabled: false
        state: stopped
      loop:
        - gdm.service
        - sddm.service
        - bluetooth.service
        - ModemManager.service
        - cups.service
        - avahi-daemon.service
        - chronyd.service
        - NetworkManager-wait-online.service
        - geoclue.service
        - smartd.service
        - upower.service

    # System actions
    - name: Install Systemd system files
      become: true
      ansible.builtin.copy:
        src: "{{ item }}"
        dest: "{{ systemd_system_dir }}/{{ item | basename }}"
        mode: "0644"
        owner: root
        group: root
      loop: "{{ query('fileglob', 'game_station/systemd/system/*') }}"

    - name: Reload systemd daemon for system services
      become: true
      ansible.builtin.systemd:
        daemon_reload: true

    - name: Install System scripts
      become: true
      ansible.builtin.copy:
        src: "{{ item }}"
        dest: "{{ system_bin_dir }}/{{ item | basename }}"
        owner: root
        group: root
        mode: "0755"
      loop: "{{ query('fileglob', 'game_station/bin/system/*') }}"

    - name: Create system directories
      become: true
      ansible.builtin.file:
        path: "{{ item }}"
        state: directory
        owner: root
        group: root
        mode: "0755"
      loop:
        - /root/.local/logs
        - "{{ systemd_system_dir }}/getty@tty1.service.d"

    - name: Create override for getty on tty1
      become: true
      ansible.builtin.copy:
        dest: "{{ systemd_system_dir }}/getty@tty1.service.d/override.conf"
        owner: root
        group: root
        mode: "0644"
        content: |
          [Service]
          ExecStart=
          ExecStart=-/usr/bin/agetty --autologin {{ user_name }} --noclear %I $TERM
          Type=idle

    - name: Enable user lingering for game user
      become: true
      ansible.builtin.command: loginctl enable-linger {{ user_name }}
      changed_when: false
      failed_when: false

    - name: Create log file for Jupiter BIOS update (dummy file)
      become: true
      ansible.builtin.file:
        path: /root/.local/logs/jupiter-biosupdate.log
        state: file
        owner: root
        group: root
        mode: "0644"

    # User actions
    - name: Create game group
      become: true
      ansible.builtin.group:
        name: "{{ user_name }}"
        state: present

    - name: Create dedicated game user
      become: true
      ansible.builtin.user:
        name: "{{ user_name }}"
        groups:
          - "{{ user_name }}"
          - wheel
          - video
          - audio
          - input
        shell: /bin/zsh
        create_home: true
        state: present

    - name: Add user to sudoers with no password
      become: true
      ansible.builtin.copy:
        dest: "/etc/sudoers.d/{{ user_name }}"
        owner: root
        group: root
        mode: "0440"
        content: "{{ user_name }} ALL=(ALL) NOPASSWD: ALL"

    - name: Create directories
      become: true
      ansible.builtin.file:
        path: "{{ item }}"
        state: directory
        owner: "{{ user_name }}"
        group: "{{ user_name }}"
        mode: "0755"
      loop:
        - "{{ user_bin_dir }}"
        - "{{ systemd_user_dir }}"
        - "{{ user_config_dir }}"
        - "{{ user_config_dir }}/gamescope"
        - "{{ user_config_dir }}/sunshine"
        - "{{ user_config_dir }}/steam-rom-manager/userData"
        - "/home/{{ user_name }}/.local/logs"
        - "/home/{{ user_name }}/.local/run"
        - "/home/{{ user_name }}/Emulation"
        - "/home/{{ user_name }}/Emulation/snes"
        - "/home/{{ user_name }}/Emulation/psp"
        - "/home/{{ user_name }}/Emulation/genesis"
        - "/home/{{ user_name }}/RetroArch/shaders"
        - "/home/{{ user_name }}/RetroArch/config"
        - "/opt/steamcmd"

    - name: Install Systemd user files
      become: true
      ansible.builtin.template:
        src: "{{ item }}"
        dest: "{{ systemd_user_dir }}/{{ item | basename }}"
        owner: "{{ user_name }}"
        group: "{{ user_name }}"
        mode: "0644"
      loop: "{{ query('fileglob', 'game_station/systemd/user/*') }}"

    - name: Reload systemd daemon for user services
      become: true
      become_user: "{{ user_name }}"
      ansible.builtin.systemd:
        daemon_reload: true
        scope: user

    - name: Download steamtools
      become: true
      ansible.builtin.get_url:
        url: "https://steamcdn-a.akamaihd.net/client/installer/steamcmd_linux.tar.gz"
        dest: "/tmp/steamcmd_linux.tar.gz"
        mode: "0644"
        owner: "{{ user_name }}"
        group: "{{ user_name }}"
      register: steamcmd_download

    - name: Extract steamtools
      become: true
      ansible.builtin.unarchive:
        src: "/tmp/steamcmd_linux.tar.gz"
        dest: "/opt/steamcmd"
        remote_src: true
        owner: "{{ user_name }}"
        group: "{{ user_name }}"
        mode: "0755"

    - name: Create symlink for Steam logs
      become: true
      ansible.builtin.file:
        src: "/home/{{ user_name }}/.steam/steam/logs"
        dest: "/home/{{ user_name }}/.local/logs/steam"
        state: link
        owner: "{{ user_name }}"
        group: "{{ user_name }}"

    - name: Copy steam-rom-manager configurations
      become: true
      ansible.builtin.copy:
        src: "game_station/srm/userConfigurations.json"
        dest: "/home/{{ user_name }}/.config/steam-rom-manager/userData/userConfigurations.json"
        owner: "{{ user_name }}"
        group: "{{ user_name }}"
        mode: "0644"

    - name: Install User scripts
      become: true
      ansible.builtin.copy:
        src: "{{ item }}"
        dest: "{{ user_bin_dir }}/{{ item | basename }}"
        owner: "{{ user_name }}"
        group: "{{ user_name }}"
        mode: "0755"
      loop: "{{ query('fileglob', 'game_station/bin/user/*') }}"

    - name: Write Gamescope configuration
      become: true
      ansible.builtin.template:
        src: "{{ item }}"
        dest: "{{ user_config_dir }}/gamescope/{{ item | basename }}"
        owner: "{{ user_name }}"
        group: "{{ user_name }}"
        mode: "0644"
      loop: "{{ query('fileglob', 'game_station/gamescope/*') }}"

    - name: Install Sunshine files
      become: true
      ansible.builtin.template:
        src: "{{ item }}"
        dest: "{{ user_config_dir }}/sunshine/{{ item | basename }}"
        owner: "{{ user_name }}"
        group: "{{ user_name }}"
        mode: "0644"
      loop: "{{ query('fileglob', 'game_station/sunshine/*') }}"

    - name: Enable User session service login
      become: true
      become_user: "{{ user_name }}"
      ansible.builtin.systemd:
        name: steamos.service
        enabled: true
        state: started
        scope: user

  handlers:
    - name: Update grub
      ansible.builtin.command: grub2-mkconfig -o /boot/grub2/grub.cfg
      become: true
      changed_when: false

    - name: Run dracut
      ansible.builtin.command: dracut --force
      become: true
      changed_when: false