---
- name: Create temporary build directory
  command: mktemp --tmpdir -d openwrt-{{ inventory_hostname }}.XXXXXX
  register: tmpdir

- set_fact:
    openwrt_imgbuilder_dir:   "{{ tmpdir.stdout }}"
    openwrt_imgbuilder_files: "{{ tmpdir.stdout }}/files"

- name: Create the directories for mixins
  file:
    path: "{{ item }}"
    state: directory
  with_items:
    - "{{ openwrt_imgbuilder_files }}/etc/config"
    - "{{ openwrt_mixin | map('dirname') | map('regex_replace', '^', openwrt_imgbuilder_files) | unique | list }}"


- name: Copy mixins in place [1/2]
  copy:
    src: "{{ item.file }}"
    dest: "{{ openwrt_imgbuilder_files }}/{{ item.key }}"
    mode: "{{ item.mode | default(0644) }}"
  with_dict: "{{ openwrt_mixin }}"
  when: '"file" in item'
  loop_control:
    label: "{{ item.key }}"

- name: Copy mixins in place [2/2]
  copy:
    content: "{{ item.value }}"
    dest: "{{ openwrt_imgbuilder_files }}/{{ item.key }}"
    mode: "{{ item.mode | default(0644) }}"
  with_dict: "{{ openwrt_mixin }}"
  when: '"content" in item'
  loop_control:
    label: "{{ item.key }}"

- name: Generate /etc/fstab
  mount:
    fstab: "{{ openwrt_imgbuilder_files }}/etc/fstab"
    state: present
  args:
    "{{ item }}"
  when: openwrt_mounts is defined
  with_items: "{{ openwrt_mounts }}"
  loop_control:
    label: "{{ item.path }}"

- name: Create UCI configuration files
  template:
    src: uci.j2
    dest: "{{ openwrt_imgbuilder_files }}/etc/config/{{ item.key }}"
    mode: 0644
    trim_blocks: yes
#   force: no  ## TODO: fail when overwriting a file
  with_dict: "{{ openwrt_uci }}"
  loop_control:
    label: "{{ item.key }}"


### TODO: this just hangs?
# - unarchive:
#     copy: False
#     src:  "{{ openwrt_download_dir }}/{{ openwrt_tarball_name }}"
#     dest: "{{ openwrt_imgbuilder_dir }}"

- name: Decompress the OpenWrt image builder
  command: >-
    tar -xf  "{{ openwrt_download_dir }}/{{ openwrt_tarball_name }}"
    -C   "{{ openwrt_imgbuilder_dir     }}"