---
- name: Configure Bootloader
  vars:
    _efi_vendor: >-
      {{
        "redhat" if os == "rhel"
        else ("ubuntu" if os in ["ubuntu", "ubuntu-lts"] else os)
      }}
    _efi_loader: >-
      {{ "shimx64.efi" if is_rhel | bool else "grubx64.efi" }}
  block:
    - name: Install GRUB EFI binary
      when: not (is_rhel | bool)
      ansible.builtin.command: >-
        {{ chroot_command }} /usr/sbin/grub-install --target=x86_64-efi
        --efi-directory={{ partitioning_efi_mountpoint }}
        --bootloader-id={{ _efi_vendor }}
        --no-nvram
      register: configuration_bootloader_result
      changed_when: configuration_bootloader_result.rc == 0

    - name: Check existing EFI boot entries
      ansible.builtin.command: efibootmgr
      register: configuration_efi_entries
      changed_when: false

    - name: Ensure EFI boot entry exists
      when: ('* ' + _efi_vendor) not in configuration_efi_entries.stdout
      ansible.builtin.command: >-
        efibootmgr -c
        -L '{{ _efi_vendor }}'
        -d '{{ install_drive }}'
        -p 1
        -l '\EFI\{{ _efi_vendor }}\{{ _efi_loader }}'
      register: configuration_efi_entry_result
      changed_when: configuration_efi_entry_result.rc == 0

    - name: Ensure lvm2 for non btrfs filesystems
      when: os == "archlinux" and system_cfg.filesystem != "btrfs"
      ansible.builtin.lineinfile:
        path: /mnt/etc/mkinitcpio.conf
        regexp: "^(HOOKS=.*block)(?!.*lvm2)(.*)"
        line: "\\1 lvm2\\2"
        backrefs: true

    - name: Regenerate initramfs
      when: os not in ["alpine", "void"]
      vars:
        configuration_initramfs_cmd: >-
          {{
            '/usr/sbin/mkinitcpio -P'
            if os == "archlinux"
            else (
              '/usr/bin/env PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin '
              + '/usr/sbin/update-initramfs -u -k all'
              if is_debian | bool
              else '/usr/bin/dracut --regenerate-all --force'
            )
          }}
      ansible.builtin.command: "{{ chroot_command }} {{ configuration_initramfs_cmd }}"
      register: configuration_initramfs_result
      changed_when: configuration_initramfs_result.rc == 0

    - name: Generate grub config
      vars:
        configuration_grub_cfg_cmd: >-
          {{
            '/usr/sbin/grub2-mkconfig -o '
            + partitioning_efi_mountpoint
            + '/EFI/' + _efi_vendor + '/grub.cfg'
            if is_rhel | bool
            else '/usr/sbin/grub-mkconfig -o /boot/grub/grub.cfg'
          }}
      ansible.builtin.command: "{{ chroot_command }} {{ configuration_grub_cfg_cmd }}"
      register: configuration_grub_result
      changed_when: configuration_grub_result.rc == 0