---
- name: Remove Gitea Actions runner
  hosts: all
  become: true
  vars: {}
  tasks:
    - name: Include systemd availability check
      ansible.builtin.include_role:
        name: gitea-runner
        tasks_from: systemd_check.yml

    - name: Get runner user UID
      ansible.builtin.command: id -u "{{ gitea_runner_service_user | default('grm-' ~ runner_name) }}"
      register: runner_uid_result
      changed_when: false
      failed_when: false

    - name: Set runner UID fact
      ansible.builtin.set_fact:
        gitea_runner_uid: "{{ runner_uid_result.stdout }}"
      when: runner_uid_result.rc == 0

    - name: Stop gitea-runner user service
      ansible.builtin.command: systemctl --user stop gitea-runner
      become: true
      become_user: "{{ gitea_runner_service_user | default('grm-' ~ runner_name) }}"
      environment:
        XDG_RUNTIME_DIR: "/run/user/{{ gitea_runner_uid | default('') }}"
      when: systemd_available.stat.exists
      changed_when: true
      failed_when: false

    - name: Disable gitea-runner user service
      ansible.builtin.command: systemctl --user disable gitea-runner
      become: true
      become_user: "{{ gitea_runner_service_user | default('grm-' ~ runner_name) }}"
      environment:
        XDG_RUNTIME_DIR: "/run/user/{{ gitea_runner_uid | default('') }}"
      when: systemd_available.stat.exists
      changed_when: true
      failed_when: false

    - name: Force-remove all Docker containers (rootless)
      ansible.builtin.shell: |
        set -o pipefail
        docker ps -aq 2>/dev/null | xargs -r docker rm -f 2>/dev/null || true
      args:
        executable: /bin/bash
      become: true
      become_user: "{{ gitea_runner_service_user | default('grm-' ~ runner_name) }}"
      environment:
        XDG_RUNTIME_DIR: "/run/user/{{ gitea_runner_uid | default('') }}"
        DOCKER_HOST: "unix:///run/user/{{ gitea_runner_uid | default('') }}/docker.sock"
      changed_when: false
      failed_when: false

    - name: Prune all Docker images, volumes, and build cache (rootless)
      ansible.builtin.command: docker system prune -af --volumes
      become: true
      become_user: "{{ gitea_runner_service_user | default('grm-' ~ runner_name) }}"
      environment:
        XDG_RUNTIME_DIR: "/run/user/{{ gitea_runner_uid | default('') }}"
        DOCKER_HOST: "unix:///run/user/{{ gitea_runner_uid | default('') }}/docker.sock"
      changed_when: false
      failed_when: false

    - name: Stop rootless Docker daemon
      ansible.builtin.command: systemctl --user stop docker
      become: true
      become_user: "{{ gitea_runner_service_user | default('grm-' ~ runner_name) }}"
      environment:
        XDG_RUNTIME_DIR: "/run/user/{{ gitea_runner_uid | default('') }}"
      changed_when: true
      failed_when: false

    - name: Include deregistration
      ansible.builtin.include_role:
        name: gitea-runner
        tasks_from: deregister.yml
      when: not skip_runner_registration | default(false)

    - name: Remove docker-prune user service file
      ansible.builtin.file:
        path: "{{ gitea_runner_home | default('/home/grm-' ~ runner_name) }}/.config/systemd/user/docker-prune.service"
        state: absent
      failed_when: false

    - name: Remove docker-prune user timer file
      ansible.builtin.file:
        path: "{{ gitea_runner_home | default('/home/grm-' ~ runner_name) }}/.config/systemd/user/docker-prune.timer"
        state: absent
      failed_when: false

    - name: Remove systemd user unit file
      ansible.builtin.file:
        path: "{{ gitea_runner_home | default('/home/grm-' ~ runner_name) }}/.config/systemd/user/gitea-runner.service"
        state: absent
      when: remove_systemd_template | default(true)

    - name: Kill remaining processes of runner user
      ansible.builtin.command: loginctl terminate-user "{{ gitea_runner_service_user | default('grm-' ~ runner_name) }}"
      failed_when: false
      changed_when: true

    - name: Wait for processes to terminate
      ansible.builtin.command: "pkill -u {{ gitea_runner_service_user | default('grm-' ~ runner_name) }}"
      failed_when: false
      changed_when: false

    - name: Disable lingering for runner user
      ansible.builtin.command: loginctl disable-linger "{{ gitea_runner_service_user | default('grm-' ~ runner_name) }}"
      failed_when: false
      changed_when: true

    - name: Remove runner user and home directory
      ansible.builtin.user:
        name: "{{ gitea_runner_service_user | default('grm-' ~ runner_name) }}"
        state: absent
        remove: true
      when: remove_runner_user | default(true)
      failed_when: false

    - name: Remove Docker data root when user is kept
      ansible.builtin.file:
        path: "{{ gitea_runner_home | default('/home/grm-' ~ runner_name) }}/.local/share/docker"
        state: absent
      when: not (remove_runner_user | default(true))
      failed_when: false

    - name: Remove act cache when user is kept
      ansible.builtin.file:
        path: "{{ gitea_runner_home | default('/home/grm-' ~ runner_name) }}/.cache/act"
        state: absent
      when: not (remove_runner_user | default(true))
      failed_when: false

    - name: Remove systemd user config dir when user is kept
      ansible.builtin.file:
        path: "{{ gitea_runner_home | default('/home/grm-' ~ runner_name) }}/.config/systemd/user"
        state: absent
      when: not (remove_runner_user | default(true))
      failed_when: false

    - name: Remove subuid entry for runner user
      ansible.builtin.lineinfile:
        path: /etc/subuid
        regexp: "^{{ gitea_runner_service_user | default('grm-' ~ runner_name) }}:"
        state: absent
      failed_when: false

    - name: Remove subgid entry for runner user
      ansible.builtin.lineinfile:
        path: /etc/subgid
        regexp: "^{{ gitea_runner_service_user | default('grm-' ~ runner_name) }}:"
        state: absent
      failed_when: false

    - name: Remove runner data directory
      ansible.builtin.file:
        path: "{{ gitea_runner_data_dir | default('/var/lib/gitea-runner/' ~ runner_name) }}"
        state: absent

    - name: Remove runner config directory
      ansible.builtin.file:
        path: "{{ gitea_runner_config_dir | default('/etc/gitea-runner/' ~ runner_name) }}"
        state: absent