---
- name: Manage the public domain of the restored production Gitea
  tags: [atlas, gitea, gitea_public_domain]
  when:
    - atlas_manage_gitea | bool
    - atlas_gitea_production_enabled | bool
    - atlas_gitea_public_domain | length > 0
  block:
    - name: Require an explicit public Gitea hostname
      ansible.builtin.assert:
        that:
          - atlas_gitea_public_domain is match('^[a-zA-Z0-9][a-zA-Z0-9.-]*\.[a-zA-Z]{2,}$')

    - name: Inspect the restored private Gitea configuration
      ansible.builtin.stat:
        path: "{{ atlas_gitea_mountpoint }}/config/app.ini"
        follow: false
      register: atlas_gitea_public_config

    - name: Refuse to create or replace an unprepared Gitea configuration
      ansible.builtin.assert:
        that:
          - atlas_gitea_public_config.stat.isreg | default(false)
          - atlas_gitea_public_config.stat.uid | int == atlas_gitea_uid | int
          - atlas_gitea_public_config.stat.mode == '0600'

    # app.ini contains secrets: preserve all unrelated settings and suppress diffs.
    - name: Set only the declared public Gitea server fields
      community.general.ini_file:
        path: "{{ atlas_gitea_mountpoint }}/config/app.ini"
        section: server
        option: "{{ item.option }}"
        value: "{{ item.value }}"
        create: false
        backup: true
        owner: "{{ atlas_gitea_username }}"
        group: "{{ atlas_gitea_group }}"
        mode: "0600"
      loop:
        - { option: DOMAIN, value: "{{ atlas_gitea_public_domain }}" }
        - { option: ROOT_URL, value: "https://{{ atlas_gitea_public_domain }}/" }
        - { option: SSH_DOMAIN, value: "{{ atlas_gitea_public_domain }}" }
      register: atlas_gitea_public_domain_update
      no_log: true
      diff: false

    - name: Restart only Gitea when its public configuration changes
      become_user: "{{ atlas_gitea_username }}"
      ansible.builtin.systemd:
        name: atlas-gitea.service
        scope: user
        state: restarted
      environment:
        XDG_RUNTIME_DIR: "/run/user/{{ atlas_gitea_uid }}"
        DBUS_SESSION_BUS_ADDRESS: "unix:path=/run/user/{{ atlas_gitea_uid }}/bus"
      when:
        - atlas_gitea_public_domain_update is changed
        - not ansible_check_mode