---
- name: Deploy Docker Service Configurations (Ownership-aware & verbose)
  hosts:
    - aranea
    - lunafreya
    - rikku
    - rinoa
    - ultima
  gather_facts: false
  become: true
  become_method: sudo
  strategy: mitogen_free

  vars:
    default_owner: "1000"
    default_group: "1000"
    default_mode: "0644"

  pre_tasks:
    - name: Get remote user's UID and GID
      ansible.builtin.command: "id -u && id -g"
      register: remote_user_info
      changed_when: false
      ignore_errors: true

    - name: Set remote user's UID and GID facts
      ansible.builtin.set_fact:
        remote_uid: "{{ remote_user_info.stdout_lines[0] | default(default_owner) | int }}"
        remote_gid: "{{ remote_user_info.stdout_lines[1] | default(default_group) | int }}"

    - name: Initialize file metadata with become info
      ansible.builtin.set_fact:
        file_metadata_with_become: {}

    - name: Annotate file metadata with become requirement
      ansible.builtin.set_fact:
        file_metadata_with_become: >-
          {{
            file_metadata_with_become | combine({
              item.key: item.value | combine({
                'owner': (item.value.owner | default(default_owner) | string),
                'group': (item.value.group | default(default_group) | string),
                'mode':  (item.value.mode  | default(default_mode)  | string),
                'become': (
                  ((item.value.owner | default(default_owner) | int) != remote_uid) or
                  ((item.value.group | default(default_group) | int) != remote_gid)
                )
              })
            })
          }}
      loop: "{{ (file_metadata | default({})) | dict2items }}"
      loop_control:
        label: "{{ item.key }}"

    - name: Find all files for this host (control node)
      ansible.builtin.find:
        paths: "{{ template_base_path }}/{{ inventory_hostname }}"
        recurse: true
      register: host_files
      delegate_to: localhost
      run_once: true
      changed_when: false

    - name: Build list of unique destination directories
      ansible.builtin.set_fact:
        dest_dirs: >-
          {{
            host_files.files
            | map(attribute='path')
            | map('relpath', template_base_path ~ '/' ~ inventory_hostname)
            | map('dirname')
            | map('regex_replace', '^(.*)$', appdata_base_path ~ '/\1')
            | unique
            | list
          }}
      changed_when: false

    - name: Initialize deploy files list
      ansible.builtin.set_fact:
        deploy_files: []

    - name: Build flat file deployment spec list
      ansible.builtin.set_fact:
        deploy_files: "{{ deploy_files + [ {
          'src': item.path,
          'dest': appdata_base_path ~ '/' ~ (item.path | relpath(template_base_path ~ '/' ~ inventory_hostname) | regex_replace('\\.j2$', '')),
          'owner': (file_metadata_with_become.get(item.path | relpath(template_base_path ~ '/' ~ inventory_hostname), {}).get('owner', default_owner)) | string,
          'group': (file_metadata_with_become.get(item.path | relpath(template_base_path ~ '/' ~ inventory_hostname), {}).get('group', default_group)) | string,
          'mode': (file_metadata_with_become.get(item.path | relpath(template_base_path ~ '/' ~ inventory_hostname), {}).get('mode', default_mode)) | string,
          'become': (file_metadata_with_become.get(item.path | relpath(template_base_path ~ '/' ~ inventory_hostname), {}).get('become', false)) | bool,
          'is_template': item.path.endswith('.j2') } ] }}"
      loop: "{{ host_files.files }}"
      loop_control:
        label: "{{ item.path }}"

    - name: Print concise become list
      ansible.builtin.debug:
        msg: >-
          Files requiring become:
          {% set found = false %}
          {% for f in deploy_files if f.become %}
          {% set found = true %}
          - {{ f.dest }} -> owner:{{ f.owner }}:{{ f.group }} mode:{{ f.mode }}
          {% endfor %}
          {% if not found %}
          (none)
          {% endif %}
      run_once: true

  tasks:
    - name: Ensure destination directories exist
      ansible.builtin.file:
        path: "{{ item }}"
        state: directory
        mode: "0755"
      loop: "{{ dest_dirs }}"
      loop_control:
        label: "{{ item }}"

    - name: Deploy template files
      ansible.builtin.template:
        src: "{{ item.src }}"
        dest: "{{ item.dest }}"
        owner: "{{ item.owner }}"
        group: "{{ item.group }}"
        mode: "{{ item.mode }}"
      loop: "{{ deploy_files | selectattr('is_template') | list }}"
      loop_control:
        label: "{{ item.src }}"
      become: "{{ item.become }}"

    - name: Deploy static files
      ansible.builtin.copy:
        src: "{{ item.src }}"
        dest: "{{ item.dest }}"
        owner: "{{ item.owner }}"
        group: "{{ item.group }}"
        mode: "{{ item.mode }}"
        remote_src: false
      loop: "{{ deploy_files | rejectattr('is_template') | list }}"
      loop_control:
        label: "{{ item.src }}"
      become: "{{ item.become }}"