---
- name: Deploy Docker Service Configurations (Optimized & Vault-ready)
  hosts:
    - rinoa
    - rikku
    - benedikta
  gather_facts: false

  vars:
    template_base_path: "{{ playbook_dir }}/../app-configs"

  pre_tasks:
    - name: Find all files for this host
      ansible.builtin.find:
        paths: "{{ template_base_path }}/{{ inventory_hostname }}"
        recurse: true
      register: host_files
      run_once: true   # can remain run_once, finds files once for all hosts
      delegate_to: localhost

    - 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
      run_once: false

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

    - name: Deploy Jinja2 templates (skip unchanged)
      ansible.builtin.template:
        src: "{{ item.path }}"
        dest: >-
          {{ appdata_base_path }}/{{ item.path
          | relpath(template_base_path ~ '/' ~ inventory_hostname)
          | regex_replace('\.j2$', '') }}
        mode: '0644'
      loop: "{{ host_files.files }}"
      loop_control:
        label: "{{ item.path }}"
      when: item.path.endswith('.j2')

    - name: Deploy static files (skip unchanged)
      ansible.builtin.copy:
        src: "{{ item.path }}"
        dest: >-
          {{ appdata_base_path }}/{{ item.path
          | relpath(template_base_path ~ '/' ~ inventory_hostname) }}
        mode: '0644'
        remote_src: false
      loop: "{{ host_files.files }}"
      loop_control:
        label: "{{ item.path }}"
      when: not item.path.endswith('.j2')