---
- 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: "1-7,9-15"
    sunshine_cores: "1-7,9-15"
    screen_resolution: "{{ lookup('env', 'GAME_RESOLUTION') | d('1920x1080', 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
      - drm.edid_firmware=DP-1:edid/aoc28e850.bin
      - video=DP-1:e
      - acpi_enforce_resources=lax
    nvidia_modules:
      - nvidia
      - nvidia_modeset
      - nvidia_uvm
      - nvidia_drm
    appimages:
      - name: Steam ROM Manager
        url: "https://github.com/SteamGridDB/steam-rom-manager/releases/download/v2.5.30/Steam-ROM-Manager-2.5.30.AppImage"
        executable: "SteamRomManager.AppImage"
        link: "srm"
      - name: RPCS3
        url: "https://github.com/RPCS3/rpcs3-binaries-linux/releases/download/build-cc8929ef4a6142fa5b240d2f5ec19ead54cc6efa/rpcs3-v0.0.38-18287-cc8929ef_linux64.AppImage"
        executable: "rpcs3.AppImage"
        link: "rpcs3"
      - name: Eden
        url: "https://github.com/eden-emulator/Releases/releases/download/v0.0.4-rc1/Eden-Linux-v0.0.4-rc1-amd64-clang-standard.AppImage"
        executable: "Eden.AppImage"
        link: "eden"
    alvr_version: "20.14.1"

  tasks:
    # --- Base dependencies ---
    - name: Enable COPR repositories
      become: true
      community.general.copr:
        name: "{{ item }}"
        state: enabled
      loop:
        - lizardbyte/stable
        - atim/heroic-games-launcher

    # # --- CachyOS Kernel (conditional) ---
    # - name: Detect supported x86_64 ISA levels
    #   ansible.builtin.shell:
    #     cmd: |
    #       set -euo pipefail;
    #       /lib64/ld-linux-x86-64.so.2 --help | grep -F "(supported, searched)"
    #   register: glibc_loader_help
    #   changed_when: false
    #   failed_when: false

    # - name: Determine CPU support for CachyOS kernel
    #   ansible.builtin.set_fact:
    #     has_x86_64_v3: "{{ ('x86-64-v3' in glibc_loader_help.stdout) or ('x86_64_v3' in glibc_loader_help.stdout) }}"
    #     has_x86_64_v2: "{{ ('x86-64-v2' in glibc_loader_help.stdout) or ('x86_64_v2' in glibc_loader_help.stdout) }}"

    # - name: Debug CPU ISA detection
    #   ansible.builtin.debug:
    #     msg: "CPU supports x86_64_v3: {{ has_x86_64_v3 }}, x86_64_v2: {{ has_x86_64_v2 }}"

    # - name: Enable CachyOS COPR repository (kernel)
    #   become: true
    #   community.general.copr:
    #     name: bieszczaders/kernel-cachyos
    #     state: enabled
    #   when: has_x86_64_v3 | bool or has_x86_64_v2 | bool

    # - name: Enable CachyOS COPR repository (addons)
    #   become: true
    #   community.general.copr:
    #     name: bieszczaders/kernel-cachyos-addons
    #     state: enabled
    #   when: has_x86_64_v3 | bool or has_x86_64_v2 | bool

    # - name: Install CachyOS kernel for x86_64_v3 CPUs
    #   become: true
    #   ansible.builtin.dnf:
    #     name:
    #       - pesign
    #       - openssl
    #       - kernel-devel
    #       - mokutil
    #       - keyutils
    #       - kernel-cachyos-lts
    #       - kernel-cachyos-lts-devel
    #       - uksmd
    #     state: present
    #   when: has_x86_64_v3 | bool

    # - name: Ensures user is on /etc/pesign/users
    #   become: true
    #   ansible.builtin.lineinfile:
    #     path: /etc/pesign/users
    #     line: "{{ ansible_user }}"
    #     state: present
    #   when: has_x86_64_v3 | bool
    #   notify: Run pesign

    # - name: Run /usr/libexec/pesign/pesign-authorize
    #   become: true
    #   ansible.builtin.command: /usr/libexec/pesign/pesign-authorize
    #   when: has_x86_64_v3 | bool
    #   changed_when: false

    # - name: Generate certificate for CachyOS kernel signing
    #   become: true
    #   ansible.builtin.shell: |
    #     openssl req -new -x509 -newkey rsa:2048 -keyout "key.pem" \
    #             -outform DER -out "cert.der" -nodes -days 36500 \
    #             -subj "/CN=CachyOS Secure Boot/" && \
    #     openssl pkcs12 -export -out key.p12 -inkey key.pem -in cert.der
    #   when: has_x86_64_v3 | bool
    #   changed_when: false
    #   args:
    #     executable: /bin/bash
    #     creates:
    #       - key.pem
    #       - cert.der
    #       - key.p12

    # - name: Inform user to enroll MOK key
    #   ansible.builtin.debug:
    #     msg: |
    #       Please enroll the MOK key for kernel module signing on next reboot.
    #       Run:
    #       sudo certutil -A -i cert.der -n "CachyOS Secure Boot" -d /etc/pki/pesign/ -t "Pu,Pu,Pu" && \
    #       sudo pk12util -i key.p12 -d /etc/pki/pesign
    #       sudo mokutil --import cert.der' if not prompted automatically.
    #   when: has_x86_64_v3 | bool

    # - name: Create /etc/kernel/postinst.d directory
    #   become: true
    #   ansible.builtin.file:
    #     path: /etc/kernel/postinst.d
    #     state: directory
    #     owner: root
    #     group: root
    #     mode: "0755"

    # - name: Enable Automatically signing kernel updates
    #   become: true
    #   ansible.builtin.copy:
    #     dest: /etc/kernel/postinst.d/00-signing
    #     owner: root
    #     group: root
    #     mode: "0755"
    #     content: |
    #       #!/bin/sh
    #       set -e
    #       KERNEL_IMAGE="$2"
    #       MOK_KEY_NICKNAME="CachyOS Secure Boot"
    #       if [ "$#" -ne "2" ] ; then
    #         echo "Wrong count of command line arguments. This is not meant to be called directly." >&2
    #         exit 1
    #       fi
    #       if [ ! -x "$(command -v pesign)" ] ; then
    #         echo "pesign not executable. Bailing." >&2
    #         exit 1
    #       fi
    #       if [ ! -w "$KERNEL_IMAGE" ] ; then
    #         echo "Kernel image $KERNEL_IMAGE is not writable." >&2
    #         exit 1
    #       fi
    #       echo "Signing $KERNEL_IMAGE..."
    #       pesign --certificate "$MOK_KEY_NICKNAME" --in "$KERNEL_IMAGE" --sign --out "$KERNEL_IMAGE.signed"
    #       mv "$KERNEL_IMAGE.signed" "$KERNEL_IMAGE"

    # - name: Install CachyOS LTS kernel for x86_64_v2-only CPUs
    #   become: true
    #   ansible.builtin.dnf:
    #     name:
    #       - kernel-cachyos-lts
    #       - kernel-cachyos-lts-devel-matched
    #     state: present
    #   when: (not has_x86_64_v3 | bool) and (has_x86_64_v2 | bool)

    # --- Core system configuration ---
    - 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
          - xorg-x11-drv-nvidia-cuda
          - xorg-x11-drv-nvidia-libs
          - vulkan
          - vulkan-loader
          - nvidia-settings
          - libepoxy
          - weston
          - bubblewrap
          - waypipe
          - drm-utils
          - ethtool
          - heroic-games-launcher-bin
          - libva-nvidia-driver
        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: Create firmware directory for EDID files
      become: true
      ansible.builtin.file:
        path: /lib/firmware/edid
        state: directory
        owner: root
        group: root
        mode: "0755"

    - name: Copy custom EDID file
      become: true
      ansible.builtin.copy:
        dest: "/lib/firmware/edid/aoc28e850.bin"
        owner: root
        group: root
        mode: "0644"
        content: "{{ lookup('file', 'game_station/firmware/aoc28e850.bin') | b64decode }}"

    - name: Ensure EDID file is available in initramfs
      become: true
      ansible.builtin.copy:
        dest: /etc/dracut.conf.d/90-edid.conf
        owner: root
        group: root
        mode: "0644"
        content: |
          install_items+=" /lib/firmware/edid/aoc28e850.bin "
      notify: Run dracut

    - 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
        - ModemManager.service
        - cups.service
        - chronyd.service
        - NetworkManager-wait-online.service
        - smartd.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

    - name: Copy wayland session files for SDDM
      become: true
      ansible.builtin.copy:
        src: "{{ item }}"
        dest: "/usr/share/wayland-sessions/{{ item | basename }}"
        owner: root
        group: root
        mode: "0644"
      loop: "{{ query('fileglob', 'game_station/wayland-sessions/*') }}"

    - name: Install SDDM configuration for auto-login
      become: true
      ansible.builtin.template:
        src: "{{ item }}"
        dest: "/etc/sddm.conf.d/{{ item | basename }}"
        owner: root
        group: root
        mode: "0644"
      loop: "{{ query('fileglob', 'game_station/sddm.conf/*') }}"

    - 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 }}/.local/share/applications"
        - "/home/{{ user_name }}/.local/share/icons"
        - "/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"
        - "/opt/alvr"

    - 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: Install AppImages
      become: true
      ansible.builtin.get_url:
        url: "{{ item.url }}"
        dest: "{{ user_bin_dir }}/{{ item.executable }}"
        mode: "0755"
        owner: "{{ user_name }}"
        group: "{{ user_name }}"
      loop: "{{ appimages }}"

    - name: Create symlink for AppImages
      become: true
      ansible.builtin.file:
        src: "{{ user_bin_dir }}/{{ item.executable }}"
        dest: "{{ user_bin_dir }}/{{ item.link }}"
        state: link
        owner: "{{ user_name }}"
        group: "{{ user_name }}"
      loop: "{{ appimages }}"

    - 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/*') }}"

    # ALVR installation

    - name: Install ALVR
      ansible.builtin.get_url:
        url: "https://github.com/alvr-org/ALVR/releases/download/v{{ alvr_version }}/alvr_streamer_linux.tar.gz"
        dest: "/tmp/alvr_streamer_linux.tar.gz"
        mode: "0644"

    - name: Extract ALVR
      become: true
      ansible.builtin.unarchive:
        src: "/tmp/alvr_streamer_linux.tar.gz"
        dest: "/opt/alvr"
        remote_src: true
        owner: "{{ user_name }}"
        group: "{{ user_name }}"
        mode: "0755"
        extra_opts:
          - --strip-components=1

    - name: Create symlink for ALVR
      become: true
      ansible.builtin.file:
        src: "/opt/alvr/bin/alvr_dashboard"
        dest: "{{ user_bin_dir }}/alvr_dashboard"
        state: link
        owner: "{{ user_name }}"
        group: "{{ user_name }}"

    - name: Copy shortcuts to remote host
      become: true
      ansible.builtin.copy:
        src: "{{ item }}"
        dest: "/home/{{ user_name }}/.local/share/applications/{{ item | basename }}"
        owner: "{{ user_name }}"
        group: "{{ user_name }}"
        mode: "0644"
      loop: "{{ query('fileglob', 'game_station/shortcuts/*.desktop') }}"

    - name: Copy icons to remote host
      become: true
      ansible.builtin.copy:
        src: "{{ item }}"
        dest: "/home/{{ user_name }}/.local/share/icons/{{ item | basename }}"
        owner: "{{ user_name }}"
        group: "{{ user_name }}"
        mode: "0644"
      loop: "{{ query('fileglob', 'game_station/shortcuts/icons/*.png') }}"


    - name: Enable Required services
      become: true
      ansible.builtin.systemd:
        name: "{{ item }}"
        enabled: true
        state: started
      loop:
        - sddm.service

  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 --regenerate-all --force
      become: true
      changed_when: false