---
# --- System setup ---

- name: Set timezone
  community.general.timezone:
    name: "{{ jellyfin_timezone }}"

- name: Grant adyrem passwordless sudo
  ansible.builtin.copy:
    dest: /etc/sudoers.d/adyrem
    content: "adyrem ALL=(ALL:ALL) NOPASSWD: ALL\n"
    owner: root
    group: root
    mode: "0440"
    validate: visudo -cf %s

- name: Install base packages
  ansible.builtin.apt:
    name:
      - curl
      - ca-certificates
      - gnupg
      - apt-transport-https
    state: present
    update_cache: true

# --- Docker ---

- name: Add Docker GPG key
  ansible.builtin.get_url:
    url: https://download.docker.com/linux/debian/gpg
    dest: /usr/share/keyrings/docker.asc
    mode: "0644"

- name: Add Docker apt repository
  ansible.builtin.apt_repository:
    repo: >-
      deb [arch=amd64 signed-by=/usr/share/keyrings/docker.asc]
      https://download.docker.com/linux/debian bookworm stable
    filename: docker
    state: present

- name: Install Docker and compose plugin
  ansible.builtin.apt:
    name:
      - docker-ce
      - docker-ce-cli
      - containerd.io
      - docker-compose-plugin
    state: present
    update_cache: true

- name: Enable and start Docker
  ansible.builtin.systemd:
    name: docker
    enabled: true
    state: started

# --- NVIDIA container toolkit ---

- name: Add NVIDIA container toolkit GPG key
  ansible.builtin.get_url:
    url: https://nvidia.github.io/libnvidia-container/gpgkey
    dest: /usr/share/keyrings/nvidia-container-toolkit.asc
    mode: "0644"

- name: Add NVIDIA container toolkit apt repository
  ansible.builtin.get_url:
    url: https://nvidia.github.io/libnvidia-container/stable/deb/amd64/Packages
    dest: /tmp/nvidia-ct-packages
    mode: "0644"
  check_mode: false
  changed_when: false

- name: Write nvidia-container-toolkit sources list
  ansible.builtin.copy:
    dest: /etc/apt/sources.list.d/nvidia-container-toolkit.list
    content: |
      deb [signed-by=/usr/share/keyrings/nvidia-container-toolkit.asc] https://nvidia.github.io/libnvidia-container/stable/deb/amd64 /
    mode: "0644"

- name: Install nvidia-container-toolkit
  ansible.builtin.apt:
    name: nvidia-container-toolkit
    state: present
    update_cache: true

- name: Configure Docker to use NVIDIA runtime
  ansible.builtin.command:
    cmd: nvidia-ctk runtime configure --runtime=docker
  changed_when: false

- name: Restart Docker to apply NVIDIA runtime
  ansible.builtin.systemd:
    name: docker
    state: restarted

# --- NVIDIA userspace libraries ---
# The LXC has /dev/nvidia* bind-mounted from the host.
# The host's NVIDIA driver version must match what we install here.

- name: Check if NVIDIA userspace libraries are installed
  ansible.builtin.stat:
    path: /usr/lib/x86_64-linux-gnu/libcuda.so.{{ nvidia_driver_version }}
  register: _nvidia_libs

- name: Download NVIDIA installer on LXC
  ansible.builtin.get_url:
    url: "https://download.nvidia.com/XFree86/Linux-x86_64/{{ nvidia_driver_version }}/NVIDIA-Linux-x86_64-{{ nvidia_driver_version }}.run"
    dest: /tmp/nvidia.run
    mode: "0755"
  when: not _nvidia_libs.stat.exists

- name: Install NVIDIA userspace libraries (no kernel module)
  ansible.builtin.command:
    cmd: /tmp/nvidia.run --silent --no-kernel-module --no-drm
    creates: /usr/lib/x86_64-linux-gnu/libcuda.so.{{ nvidia_driver_version }}
  when: not _nvidia_libs.stat.exists

# --- Config directories and compose file ---

- name: Create container config directories
  ansible.builtin.file:
    path: "{{ item }}"
    state: directory
    mode: "0755"
  loop: "{{ jellyfin_config_dirs }}"

- name: Create stack directory
  ansible.builtin.file:
    path: /opt/jellyfin
    state: directory
    mode: "0755"

- name: Deploy docker-compose.yml
  ansible.builtin.template:
    src: docker-compose.yml.j2
    dest: /opt/jellyfin/docker-compose.yml
    mode: "0644"
  notify: Restart jellyfin stack

- name: Deploy systemd service
  ansible.builtin.template:
    src: jellyfin-stack.service.j2
    dest: /etc/systemd/system/jellyfin-stack.service
    mode: "0644"
  notify: Restart jellyfin stack

- name: Enable and start jellyfin stack service
  ansible.builtin.systemd:
    name: jellyfin-stack
    enabled: true
    state: started
    daemon_reload: true

- name: Configure services
  ansible.builtin.include_tasks: configure_services.yml