---
- name: Stop and disable hysteria-server before removal
  ansible.builtin.systemd:
    name: "{{ hysteria2_service_name }}"
    enabled: false
    state: stopped
  failed_when: false

- name: Copy Hysteria2 install script to server
  ansible.builtin.copy:
    src: "{{ hysteria2_install_script_name }}"
    dest: "{{ hysteria2_install_script_remote_path }}"
    mode: "0755"

- name: Remove Hysteria2 binary and systemd units via official script
  ansible.builtin.command:
    cmd: "{{ hysteria2_install_script_remote_path }} --remove"
  register: _hysteria2_remove
  changed_when: _hysteria2_remove.rc == 0
  failed_when: false

- name: Show official script removal output
  ansible.builtin.debug:
    msg: "{{ _hysteria2_remove.stdout_lines | default(['install_server.sh --remove: no output']) }}"
  when: _hysteria2_remove.stdout_lines is defined

- name: Remove Hysteria2 configuration and ACME data
  ansible.builtin.file:
    path: "{{ item }}"
    state: absent
  loop:
    - "{{ hysteria2_config_path | dirname }}"
    - "/var/lib/{{ hysteria2_system_user | default('hysteria') }}"

- name: Remove masquerade web directory
  ansible.builtin.file:
    path: "{{ hysteria2_masq_dir }}"
    state: absent
  when: hysteria2_uninstall_remove_masq | default(true) | bool

- name: Remove enabled hysteria-server systemd symlink
  ansible.builtin.file:
    path: /etc/systemd/system/multi-user.target.wants/hysteria-server.service
    state: absent
  failed_when: false

- name: Find enabled hysteria-server@ systemd symlinks
  ansible.builtin.find:
    paths: /etc/systemd/system/multi-user.target.wants
    patterns: hysteria-server@*.service
    file_type: file
  register: _hysteria2_systemd_instance_wants
  failed_when: false

- name: Remove enabled hysteria-server@ systemd symlinks
  ansible.builtin.file:
    path: "{{ item.path }}"
    state: absent
  loop: "{{ _hysteria2_systemd_instance_wants.files | default([]) }}"
  failed_when: false

- name: Remove Hysteria system user and home directory
  ansible.builtin.user:
    name: "{{ hysteria2_system_user | default('hysteria') }}"
    state: absent
    remove: true
  failed_when: false

- name: Find temporary Hysteria client configs on server
  ansible.builtin.find:
    paths: /tmp
    patterns: hysteria-client-*.yaml
    file_type: file
  register: _hysteria2_tmp_client_configs
  failed_when: false

- name: Remove temporary Hysteria client configs on server
  ansible.builtin.file:
    path: "{{ item.path }}"
    state: absent
  loop: "{{ _hysteria2_tmp_client_configs.files | default([]) }}"
  failed_when: false

- name: Check if ufw is available and active
  ansible.builtin.command: ufw status
  register: _hysteria2_ufw_status
  changed_when: false
  failed_when: false

- name: Remove firewall rules added during install
  ansible.builtin.command: "ufw delete allow {{ item }}"
  loop: "{{ hysteria2_uninstall_ufw_rules }}"
  register: _hysteria2_ufw_delete
  changed_when: >-
    _hysteria2_ufw_delete.rc == 0
    and 'Could not delete' not in (_hysteria2_ufw_delete.stdout | default(''))
    and 'Could not find' not in (_hysteria2_ufw_delete.stderr | default(''))
  failed_when: false
  when: "'active' in (_hysteria2_ufw_status.stdout | default(''))"

- name: Remove packages installed for Hysteria2
  ansible.builtin.apt:
    name: "{{ _hysteria2_apt_packages }}"
    state: absent
    purge: true
    autoremove: true
  vars:
    _hysteria2_apt_packages: >-
      {{
        ['curl', 'micro']
        + (['qrencode'] if hysteria2_generate_qr_png | default(true) | bool else [])
      }}

- name: Remove copied install script from server
  ansible.builtin.file:
    path: "{{ hysteria2_install_script_remote_path }}"
    state: absent

- name: Reload systemd after uninstall
  ansible.builtin.systemd:
    daemon_reload: true

- name: Remove local output directory for this server
  ansible.builtin.file:
    path: "{{ hysteria2_output_dir }}/{{ hysteria2_output_name }}"
    state: absent
  delegate_to: localhost
  become: false

- name: Show uninstall result
  ansible.builtin.debug:
    msg: >-
      Hysteria2 полностью удалён с {{ inventory_hostname }}.
      Локальная папка {{ hysteria2_output_dir }}/{{ hysteria2_output_name }}/ удалена.
      {% if hysteria2_uninstall_rebuild_global_index | default(true) | bool %}
      {{ hysteria2_output_dir }}/index.html будет пересобран без этого сервера.
      {% endif %}