---
- name: install Ansible prerequisites
  ansible.builtin.dnf:
    name: [
      "git",
      "libxslt",
    ]
    state: latest
  
- name: install MediaConch
  ansible.builtin.dnf:
    name: [
      "mediaconch",
      "mediainfo",
      "libmediainfo",
      "libzen",
    ]
    enablerepo: "MediaArea"
    disablerepo: "epel"
    update_cache: true
    state: latest

- name: check MediaConch symlink
  ansible.builtin.stat:
    path: "/operational_shared/software/mediaconch"
  register: mediaconch_stat

- name: set MediaConch symlink
  ansible.builtin.file:
    src: "/usr/bin/mediaconch"
    dest: "/operational_shared/software/mediaconch"
    state: link
    force: true
  when: ( not mediaconch_stat.stat.exists ) or
        ( not mediaconch_stat.stat.islnk ) or
        ( mediaconch_stat.stat.isreg )

- name: remove existing MediaConch-Profile repo directory (otherwise, we can't clone it in the next task -.-)
  ansible.builtin.file:
    path: "/tmp/mediaconch-profile/"
    state: absent
  changed_when: false    # there's no other way to get this task idempotent

- name: checkout MediaConch-Profile repo
  ansible.builtin.git:
    repo: "https://git.slub-dresden.de/digital-preservation/mediaconch-profile.git"
    dest: "/tmp/mediaconch-profile/"
  register: mc_profile_repo_cloned
  changed_when: false    # there's no other way to get this task idempotent

- name: compile MediaConch profile
  ansible.builtin.command:
    cmd: "bash ./build_all.sh"
    chdir: "/tmp/mediaconch-profile/"
  when: mc_profile_repo_cloned.before != mc_profile_repo_cloned.after
  register: mc_profile_repo_built
  changed_when: false    # there's no other way to get this task idempotent

- name: deploy MediaConch profile to Rosetta
  ansible.builtin.copy:
    src: "/tmp/mediaconch-profile/build/SLUB_mediaconch_policy_all.xml"
    dest: "/operational_shared/software/SLUB_mediaconch_policy_all.xml"
    remote_src: true
    owner: "{{ vault_rosetta_user }}"
    group: "{{ vault_rosetta_group }}"
    mode: "0644"

- name: create MediaConch etc directory
  ansible.builtin.file:
    path: "/etc/mediaconch/"
    state: directory
    mode: '0755'

- name: set MediaConch profile symlink    # based on SLUBArchiv.digital Release 2022-01
  ansible.builtin.file:
    src: "{{ item.src }}"    # HINT: default paths of Rosetta MediaConch Plugin
    dest: "{{ item.dest }}"
    state: link
    force: true
    mode: "0644"
  loop:
    - { src: "/etc/mediaconch/current_slub.cfg", dest: "/operational_shared/software/SLUB_mediaconch_policy_all.xml" }
    - { src: "/etc/mediaconch/upcoming_slub.cfg", dest: "/operational_shared/software/SLUB_mediaconch_policy_all.xml" }
  when:
    - mc_profile_repo_cloned.before != mc_profile_repo_cloned.after
    - mc_profile_repo_built.rc == "0"