- name: Create contained Python runtime manager virtual environment
  command:
    argv:
      - /usr/bin/python3
      - -m
      - venv
      - "{{ courseware_uv_dir }}"
  args:
    creates: "{{ courseware_uv_dir }}/bin/python"

- name: Upgrade contained Python runtime manager tooling
  command:
    argv:
      - "{{ courseware_uv_dir }}/bin/python"
      - -m
      - pip
      - install
      - --upgrade
      - pip
      - setuptools
      - wheel

- name: Install contained Python runtime manager
  command:
    argv:
      - "{{ courseware_uv_dir }}/bin/python"
      - -m
      - pip
      - install
      - "{{ courseware_uv_spec }}"

- name: Install managed CPython runtime
  command:
    argv:
      - "{{ courseware_uv_bin }}"
      - python
      - install
      - "{{ courseware_python_runtime_version }}"
      - --install-dir
      - "{{ courseware_python_runtime_dir }}"
  environment:
    UV_PYTHON_INSTALL_DIR: "{{ courseware_python_runtime_dir }}"
    UV_CACHE_DIR: "{{ courseware_uv_cache_dir }}"
    XDG_CACHE_HOME: "{{ courseware_cache_dir }}"
    TMPDIR: "{{ courseware_tmp_dir }}"
  register: courseware_python_runtime_install
  changed_when: "'Installed Python' in courseware_python_runtime_install.stdout"

- name: Resolve managed CPython runtime
  command:
    argv:
      - "{{ courseware_uv_bin }}"
      - python
      - find
      - "{{ courseware_python_runtime_version }}"
  environment:
    UV_PYTHON_INSTALL_DIR: "{{ courseware_python_runtime_dir }}"
    UV_CACHE_DIR: "{{ courseware_uv_cache_dir }}"
    XDG_CACHE_HOME: "{{ courseware_cache_dir }}"
    TMPDIR: "{{ courseware_tmp_dir }}"
  register: courseware_python_runtime_find
  changed_when: false

- name: Set managed Python runtime for courseware venvs
  set_fact:
    courseware_python_bin: "{{ courseware_python_runtime_find.stdout | trim }}"

- name: Verify managed Python runtime version
  command:
    argv:
      - "{{ courseware_python_bin }}"
      - -c
      - "import sys; expected=tuple(map(int, '{{ courseware_python_runtime_version }}'.split('.'))); raise SystemExit(0 if sys.version_info[:len(expected)] == expected else 1)"
  changed_when: false