- block:
  - name: validate input
    fail:
      msg: package must be defined and a dictionary
    when: package is not defined or package is not mapping


  - name: define package dict
    set_fact:
      pkg: "{{ {'assets': false, 'sources': false} | combine(package) }}"


  - name: fail if package name is not defined
    fail:
      msg: package name is not defined
    when: pkg.name is not defined


  - name: fail if both assets and sources are enabled
    fail:
      msg: both assets and sources are enabled
    when: (pkg.assets | d(false) == true) and (pkg.sources | d(false) == true)


  - block:
    - name: install pip3
      include_tasks: tasks/install_packages.yml
      vars:
        package:
          - alpine: py3-pip
            debian: python3-pip

    - name: install lastversion from pip
      pip:
        name: lastversion

    - name: set lastversion install result for caching purposes
      set_fact:
        lastversion_installed: yes

    when: lastversion_installed | d(false) == false


  - name: construct lastversion parameters
    set_fact:
      lv_params: "{%- if pkg.major_branch is defined and pkg.major_branch is string -%}--major {{ pkg.major_branch | quote }}\ {% endif -%}\
                  {%- if pkg.location is defined and pkg.location is string -%}--at {{ pkg.location | quote }}\ {% endif -%}\
                  {%- if pkg.prerelease | d(false) == true -%}--pre\ {% endif -%}\
                  {%- if pkg.release_filter is defined and pkg.release_filter is string -%}--only {{ pkg.release_filter | quote }}\ {% endif -%}"


  - name: invoke lastversion
    shell:
      cmd: "lastversion {{ lv_params }}{{ pkg.name | quote }}"
    changed_when: false
    environment: "{{ {'GITHUB_API_TOKEN': github_api_token} if (github_api_token is defined) else {} }}"
    register: lv_result


  - name: save last version
    set_fact:
      package_last_version: "{{ lv_result.stdout.strip() }}"


  - block:
    - name: add asset-related lastversion parameters
      set_fact:
        lv_params_new: "{{ lv_params }}\
                        {%- if pkg.assets | d(false) == true -%}--assets\ {% endif -%}\
                        {%- if pkg.asset_filter is defined and pkg.asset_filter is string -%}--filter {{ pkg.asset_filter | quote }}\ {% endif -%}"

    - name: invoke lastversion
      shell:
        cmd: "lastversion {{ lv_params_new }}{{ pkg.name | quote }}"
      changed_when: false
      environment: "{{ {'GITHUB_API_TOKEN': github_api_token} if (github_api_token is defined) else {} }}"
      register: lv_result

    - name: save asset urls
      set_fact:
        package_url: "{{ lv_result.stdout.strip().split('\n') }}"

    when: pkg.assets | d(false) == true


  - block:
    - name: add source-related lastversion parameters
      set_fact:
        lv_params_new: "{{ lv_params }}\
                        {%- if pkg.sources | d(false) == true -%}--source\ {% endif -%}"

    - name: invoke lastversion
      shell:
        cmd: "lastversion {{ lv_params_new }}{{ pkg.name | quote }}"
      changed_when: false
      environment: "{{ {'GITHUB_API_TOKEN': github_api_token} if (github_api_token is defined) else {} }}"
      register: lv_result

    - name: save source urls
      set_fact:
        package_url: "{{ lv_result.stdout.strip().split('\n') }}"

    when: pkg.sources | d(false) == true


  delegate_to: localhost


- block:
  - name: save last version info to file
    copy:
      content: "{{ package_last_version }}"
      dest: "{{ pkg.file }}"
      mode: "{{ pkg.mode | d(omit) }}"
      owner: "{{ pkg.user | d(omit) }}"
      group: "{{ pkg.group | d(omit) }}"
    register: lv_copy
    notify: "{{ pkg.notify | d(omit) }}"

  - name: check if the file was changed
    set_fact:
      package_changed: "{{ lv_copy.changed }}"

  when: pkg.file is defined


- block:
  - name: ensure there is only one url
    fail:
      msg: multiple asset urls or no asset urls found
    when: (package_url | length) != 1

  - name: install tar
    include_tasks: tasks/install_packages.yml
    vars:
      package:
        - tar

  - pause:
    when: interactive | d(true) == true

  - name: download and extract assets
    unarchive:
      src: "{{ package_url[0] }}"
      dest: "{{ pkg.extract }}/"
      remote_src: yes
      mode: "{{ pkg.mode | d(omit) }}"
      owner: "{{ pkg.user | d(omit) }}"
      group: "{{ pkg.group | d(omit) }}"
      extra_opts: "{%- if pkg.strip_first_dir | d(false) == true -%}{{ [ '--strip-components=1' ] }}\
                   {%- else -%}{{ [] }}\
                   {%- endif -%}"
    notify: "{{ pkg.notify | d(omit) }}"

  when: (lv_copy.changed or (pkg.force_download | d(false) == true)) and pkg.extract is defined