---
- name: Create temporary build directory
  tempfile:
    state: directory
  register: tmpdir

- name: set variables needed to build images
  set_fact:
    openwrt_imgbuilder_dir:   "{{ tmpdir.path }}"
    openwrt_imgbuilder_files: "{{ tmpdir.path }}/files"

- name: Create the directories for mixins
  loop: "{{ mixin_directories | flatten }}"
  vars:
    mixin_directories:
    - "{{ openwrt_download_dir }}/dl/{{ openwrt_arch }}"
    - "{{ openwrt_imgbuilder_files }}/etc/config"
    - "{{ openwrt_mixin | map('dirname') | map('regex_replace', '^', openwrt_imgbuilder_files) | unique | list }}"
  file:
    path: "{{ item }}"
    state: directory
    mode: '0755'


- name: Copy mixins in place [1/3]
  loop: "{{ openwrt_mixin | dict2items | selectattr('value.link', 'defined') | list }}"
  loop_control:
    label: "{{ item.key }}"
  file:
    dest: "{{ openwrt_imgbuilder_files }}/{{ item.key }}"
    src: "{{ item.value.link }}"
    force: yes
    follow: no
    state: link

- name: Copy mixins in place [2/3]
  loop: "{{ openwrt_mixin | dict2items | selectattr('value.file', 'defined') | list }}"
  loop_control:
    label: "{{ item.key }}"
  copy:
    src: "{{ item.value.file }}"
    dest: "{{ openwrt_imgbuilder_files }}/{{ item.key }}"
    mode: "{{ item.value.mode | default('0644') }}"

- name: Copy mixins in place [3/3]
  loop: "{{ openwrt_mixin | dict2items | selectattr('value.content', 'defined') | list }}"
  loop_control:
    label: "{{ item.key }}"
  copy:
    content: "{{ item.value.content }}"
    dest: "{{ openwrt_imgbuilder_files }}/{{ item.key }}"
    mode: "{{ item.value.mode | default('0644') }}"

- name: Generate /etc/fstab
  when: openwrt_mounts is defined
  loop: "{{ openwrt_mounts }}"
  loop_control:
    label: "{{ item.path }}"
  mount:
    fstab: "{{ openwrt_imgbuilder_files }}/etc/fstab"
    state: present
    src: "{{ item.src | default(omit) }}"
    path: "{{ item.path | default(omit) }}"
    fstype: "{{ item.fstype | default(omit) }}"
    opts: "{{ item.opts | default(omit) }}"
    boot: "{{ item.boot | default(omit) }}"
    dump: "{{ item.dump | default(omit) }}"
    passno: "{{ item.passno | default(omit) }}"


- name: Create UCI configuration files
  loop: "{{ openwrt_uci | dict2items }}"
  loop_control:
    label: "{{ item.key }}"
  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

- name: Create /etc/passwd
  when: openwrt_users is defined
  template:
    src: passwd.j2
    dest: "{{ openwrt_imgbuilder_files }}/etc/passwd"
    mode: 0644
    trim_blocks: yes

- name: Create /etc/group
  when: openwrt_groups is defined or openwrt_users is defined
  template:
    src: group.j2
    dest: "{{ openwrt_imgbuilder_files }}/etc/group"
    mode: 0644
    trim_blocks: yes

- name: extract image builder tarball
  environment: ### TODO: remove once this lands in ansible: https://github.com/ansible/ansible/pull/76542
    LANGUAGE: en_US.utf8
  unarchive:
    src:  "{{ openwrt_download_dir }}/{{ openwrt_tarball_name }}"
    remote_src: yes
    dest: "{{ openwrt_imgbuilder_dir }}"

- name: Symlink the cache repository
  file:
    state: link
    src: "{{ openwrt_download_dir }}/dl/{{ openwrt_arch }}"
    path: "{{ openwrt_imgbuilder_dir }}/{{ openwrt_tarball_basename }}/dl"