---
- name: Gather host facts for delivery directory discovery
  hosts: "{{ target_hosts | default('all') }}"
  become: true
  gather_facts: true
  vars:
    delivery_lookup_path: "{{ lookup_path | default('') }}"
  tasks:
    - name: Show directory completions
      ansible.builtin.shell: |
        set -euo pipefail
        python3 - <<'PY'
        import json
        import os
        import sys

        prefix = os.environ.get("LOOKUP_PATH", "").strip()
        if not prefix.startswith("/") or "\x00" in prefix:
            print("XINFRA_PATH_COMPLETIONS_JSON=[]")
            sys.exit(0)

        if prefix.endswith("/"):
            parent = prefix.rstrip("/") or "/"
            needle = ""
        else:
            parent = os.path.dirname(prefix) or "/"
            needle = os.path.basename(prefix)

        items = []
        try:
            children = sorted(os.listdir(parent))
        except OSError:
            children = []

        for name in children:
            if needle and not name.startswith(needle):
                continue
            path = os.path.join(parent, name) if parent != "/" else "/" + name
            if not os.path.isdir(path):
                continue
            available_gi = 0
            try:
                stat = os.statvfs(path)
                available_gi = int(stat.f_bavail * stat.f_frsize / 1073741824)
            except OSError:
                pass
            items.append({"path": path, "available_gi": available_gi})

        print("XINFRA_PATH_COMPLETIONS_JSON=" + json.dumps(items, ensure_ascii=False))
        PY
      args:
        executable: /bin/bash
      environment:
        LOOKUP_PATH: "{{ delivery_lookup_path }}"
      changed_when: false
      when: delivery_lookup_path | length > 0

    - name: Show discovered mounts
      ansible.builtin.debug:
        var: ansible_mounts
      when: delivery_lookup_path | length == 0