---
- name: Restore Gitea from a verified Prometheus backup only on explicit request
  tags: [atlas, gitea_restore, gitea_final_restore]
  when: atlas_gitea_restore_test | bool or atlas_gitea_final_restore | bool
  block:
    - name: Require the prepared rootless Gitea target
      ansible.builtin.assert:
        that:
          - atlas_manage_gitea | bool
          - not (atlas_gitea_restore_test | bool and atlas_gitea_final_restore | bool)
          - atlas_gitea_staging_bind_address == '127.0.0.1'
          - atlas_gitea_mountpoint == atlas_app_data_mountpoint ~ '/gitea'
        fail_msg: Prepare the isolated, loopback-only rootless Gitea target first.

    - name: Confirm the rootless Gitea service is inactive
      become_user: "{{ atlas_gitea_username }}"
      ansible.builtin.command:
        argv:
          - systemctl
          - --user
          - is-active
          - atlas-gitea.service
      environment:
        XDG_RUNTIME_DIR: "/run/user/{{ atlas_gitea_uid }}"
        DBUS_SESSION_BUS_ADDRESS: "unix:path=/run/user/{{ atlas_gitea_uid }}/bus"
      register: atlas_gitea_restore_service_state
      changed_when: false
      failed_when: false
      when: not ansible_check_mode

    - name: Refuse to overwrite an active rootless Gitea service
      ansible.builtin.assert:
        that:
          - atlas_gitea_restore_service_state.stdout == 'inactive'
        fail_msg: The rootless Gitea user service must be known and inactive before restoring data.
      when: not ansible_check_mode

    - name: Check for a manually running rootless Gitea container
      become_user: "{{ atlas_gitea_username }}"
      ansible.builtin.command:
        argv:
          - podman
          - ps
          - --quiet
          - --filter
          - name=atlas-gitea
      args:
        chdir: "{{ atlas_gitea_home }}"
      environment:
        XDG_RUNTIME_DIR: "/run/user/{{ atlas_gitea_uid }}"
      register: atlas_gitea_restore_container_state
      changed_when: false
      when: not ansible_check_mode

    - name: Refuse to overwrite a running rootless Gitea container
      ansible.builtin.assert:
        that:
          - atlas_gitea_restore_container_state.stdout | length == 0
        fail_msg: Stop every rootless Atlas Gitea container before restoring data.
      when: not ansible_check_mode

    - name: Install the selective rootless Gitea restore helper
      ansible.builtin.copy:
        src: atlas-gitea-restore-test.py
        dest: "{{ atlas_gitea_restore_helper }}"
        owner: root
        group: root
        mode: "0700"

    - name: Restore only Gitea data into the isolated target
      ansible.builtin.command:
        argv:
          - "{{ atlas_gitea_restore_helper }}"
          - --backup
          - "{{ atlas_backup_prometheus_mountpoint }}/latest"
          - --target
          - "{{ atlas_gitea_mountpoint }}"
          - --uid
          - "{{ atlas_gitea_uid | string }}"
          - --gid
          - "{{ atlas_gitea_gid | string }}"
      register: atlas_gitea_restore_result
      changed_when: atlas_gitea_restore_result.stdout == 'restored'
      no_log: true
      when:
        - atlas_gitea_restore_test | bool
        - not ansible_check_mode

    - name: Replace the marked rehearsal with the final consistent Gitea export
      ansible.builtin.command:
        argv:
          - "{{ atlas_gitea_restore_helper }}"
          - --backup
          - "{{ atlas_backup_prometheus_mountpoint }}/latest"
          - --target
          - "{{ atlas_gitea_mountpoint }}"
          - --uid
          - "{{ atlas_gitea_uid | string }}"
          - --gid
          - "{{ atlas_gitea_gid | string }}"
          - --replace-rehearsal
      register: atlas_gitea_final_restore_result
      changed_when: atlas_gitea_final_restore_result.stdout == 'restored'
      no_log: true
      when:
        - atlas_gitea_final_restore | bool
        - not ansible_check_mode