---
- name: Setup BTRFS
  block:
    - name: Create btrfs filesystem in main volume
      community.general.filesystem:
        dev: "{{ partitioning_root_device }}"
        fstype: btrfs
        force: true
        opts: >-
          {{
            '-K'
            if (partitioning_luks_enabled | bool)
            and not ('discard' in (partitioning_luks_options | lower))
            else omit
          }}

    - name: Prepare BTRFS Subvolume
      ansible.posix.mount:
        path: /mnt
        src: "{{ partitioning_root_device }}"
        fstype: btrfs
        opts: rw,relatime,compress=zstd:15,ssd,space_cache=v2,discard=async
        state: mounted

    - name: Enable quotas on Btrfs filesystem
      ansible.builtin.command: btrfs quota enable /mnt
      register: partitioning_btrfs_quota_result
      changed_when: false

    - name: Make root subvolumes
      when: cis | bool or item.subvol not in ['var_log_audit']
      ansible.builtin.command: btrfs su cr /mnt/{{ '@' if item.subvol == 'root' else '@' + item.subvol }}
      args:
        creates: /mnt/{{ '@' if item.subvol == 'root' else '@' + item.subvol }}
      loop:
        - {subvol: root}
        - {subvol: swap}
        - {subvol: home}
        - {subvol: var}
        - {subvol: pkg}
        - {subvol: var_log}
        - {subvol: var_log_audit}
      register: partitioning_btrfs_subvol_result

    - name: Set quotas for subvolumes
      when: cis | bool
      ansible.builtin.command: btrfs qgroup limit {{ item.quota }} /mnt/{{ '@' if item.subvol == 'root' else '@' + item.subvol }}
      loop:
        - {subvol: home, quota: 2G}
      register: partitioning_btrfs_qgroup_result
      changed_when: false

    - name: Create a Btrfs swap file
      ansible.builtin.command: >-
        btrfs filesystem mkswapfile --size {{ partitioning_swap_size_gb }}g --uuid clear /mnt/@swap/swapfile
      args:
        creates: /mnt/@swap/swapfile
      register: partitioning_btrfs_swap_result

    - name: Unmount Partition
      ansible.posix.mount:
        path: /mnt
        src: "{{ partitioning_root_device }}"
        fstype: btrfs
        state: unmounted