- block:
    - name: Check that ARA is installed
      command: bash -c "type -p ara"
      ignore_errors: yes
      register: ara_installed

    - name: Warn if ARA is not installed
      debug:
        msg: |
          ARA is not installed on the executor node, no report will be available.
      when: ara_installed.rc != 0

    - name: Check that the ARA database exists
      stat:
        path: "{{ ara_database_path }}"
      register: ara_db

    - name: Warn if no database is found
      debug:
        msg: |
          No report will be available because the ARA database was not found.
      when: not ara_db.stat.exists

    - name: Validate role configuration
      assert:
        that:
          - ara_report_type in ['html', 'database']
          - ara_compress_html in [true, false]
          - ara_report_run in [true, false, 'failure']
  rescue:
    - name: Role validation rescue
      debug:
        msg: |
          Something failed during the validation of the role configuration
          and pre-requirements.
          It is likely that no report will be available, please verify the
          execution and the parameters of the role for details.

- name: Prefix the log path with the log root
  set_fact:
    final_ara_report_path: "{{ zuul.executor.log_root }}/{{ ara_report_path }}"

- when:
    - ara_installed.rc == 0
    - ara_db.stat.exists
    - ara_report_type == 'html'
  block:
    # Always generate (true), never (false) or only on failure ('failure')
    # Additionally cover for edge cases where zuul_success might be undefined
    - name: Generate ARA HTML output
      command: "ara generate html {{ final_ara_report_path }}"
      environment:
        ARA_DATABASE: "sqlite:///{{ ara_database_path }}"
      when: ara_report_run | bool or
            (ara_report_run == 'failure' and not zuul_success | default(false) | bool)
      register: ara_generated

    - name: Compress ARA HTML output
      command: gzip --recursive --best {{ final_ara_report_path }}
      when:
        - ara_compress_html | bool
        - not ara_generated | skipped
  rescue:
    - name: HTML generation rescue
      debug:
        msg: |
          Something failed during the generation of the HTML report.
          Please verify the execution of the role for details.

- when:
    - ara_installed.rc == 0
    - ara_db.stat.exists
    - ara_report_type == 'database'
    - ara_report_run | bool or (ara_report_run == 'failure' and not zuul_success | default(false) | bool)
  block:
    - name: Create the ARA database report directory
      file:
        path: "{{ final_ara_report_path }}"
        state: directory

    - name: Save the ARA database
      command: cp {{ ara_database_path }} {{ final_ara_report_path }}