---

- name: ensure build work dir exists
  become: yes
  file:
    path: "{{build_work_dir}}"
    state: "directory"
    owner: "{{ansible_user}}"
    group: "{{ansible_user}}"
    mode: "0755"

- name: check if mattertimectl build exists
  stat:
    path: "{{mattertimectl_srv_dir}}/mattertimectl-{{mattertimectl_version}}.tar.gz"
  register: build_file

# NOTE: rustup is used only because rs-matter requires a newer rustc than
# Ubuntu 24.04's apt ships (apt rustc is 1.75; rs-matter needs >= 1.87). Once
# the build host runs an Ubuntu whose apt rustc/cargo are new enough, drop
# rustup and the toolchain tasks below and just `apt install rustc cargo`.
- name: install rustup
  become: yes
  apt:
    name: "rustup"
    state: "present"

- name: install a current stable rust toolchain
  command: "rustup toolchain install stable"
  environment:
    CARGO_HOME: "{{mattertimectl_cargo_home}}"
    RUSTUP_HOME: "{{mattertimectl_rustup_home}}"
  when: not build_file.stat.exists

- name: unarchive mattertimectl source
  unarchive:
    remote_src: yes
    src: "{{mattertimectl_tar}}"
    dest: "{{build_work_dir}}/"
    creates: "{{mattertimectl_build_dir}}"

- name: build mattertimectl release binary
  # rustup run stable dispatches cargo through the toolchain regardless of
  # the apt rustup package's proxy layout or the configured default.
  command: "rustup run stable cargo build --release"
  args:
    chdir: "{{mattertimectl_build_dir}}"
    creates: "{{mattertimectl_cargo_target_dir}}/release/mattertimectl"
  environment:
    CARGO_HOME: "{{mattertimectl_cargo_home}}"
    RUSTUP_HOME: "{{mattertimectl_rustup_home}}"
    CARGO_TARGET_DIR: "{{mattertimectl_cargo_target_dir}}"
  when: not build_file.stat.exists

- name: create build server dir
  become: yes
  file:
    path: "{{mattertimectl_srv_dir}}"
    mode: "0755"
    state: "directory"

- name: create gz archive of mattertimectl binary
  become: yes
  archive:
    path: "{{mattertimectl_cargo_target_dir}}/release/mattertimectl"
    dest: "{{mattertimectl_srv_dir}}/mattertimectl-{{mattertimectl_version}}.tar.gz"
    format: "gz"
    # force a real tar for the single-file binary; the module otherwise gzips
    # a lone file into a bare .gz that the server's unarchive can't extract.
    # The tar preserves the executable bit the target relies on.
    force_archive: true
  when: not build_file.stat.exists