---
- name: Look up latest release of AWX
  uri:
    url: "https://api.github.com/repos/{{ repo }}/releases/latest"
  register: res

- name: Record latest tag information
  set_fact:
    latest_tag: "{{ res.json.name }}"
    created_at: "{{ res.json.created_at }}"

- name: Construct search query
  set_fact:
    search_query: "{{ ('repo:' + repo + ' type:pr is:merged merged:>=' + created_at) | urlencode }}"

- name: Find PRs since last release
  uri:
    url: "https://api.github.com/search/issues?q={{ search_query }}"
    headers:
      Accept: "application/vnd.github.v3+json"
  register: new_merged_prs

- name: Search PR descriptions for changelog entries
  command: awk '/<!--- changelog-entry/{flag=1;next}/-->/{flag=0}flag'
  args:
    stdin: "{{ item.body }}"
  loop: "{{ new_merged_prs.json['items'] }}"
  changed_when: false
  register: raw_changelog_entries

- name: Parse changelog entries
  set_fact:
    parsed_changelog_entries: |
      {{ parsed_changelog_entries | combine({item.item.pull_request.html_url: (item.stdout | from_yaml)}) }}
  loop: "{{ raw_changelog_entries.results }}"

- name: Construct final changelog blob
  set_fact:
    final_changelog: |
      {%- set entries = {} -%}
      {%- for entry in raw_changelog_entries.results -%}
        {%- set parsed_entry = (entry.stdout | from_yaml) -%}
        {%- if parsed_entry and parsed_entry.msg != "" -%}
          {%- set msg = parsed_entry.msg -%}
          {%- set pr_number = entry.item.number -%}
          {%- set pr_url = entry.item.pull_request.html_url -%}
          {%- set contributor_login = entry.item.user.login -%}
          {%- set contributor_url = entry.item.user.html_url -%}
          {%- set _ = entries.update({pr_url: {"msg": msg, "pr_number": pr_number, "contributor_login": contributor_login, "contributor_url": contributor_url}}) -%}
        {%- endif -%}
      {%- endfor -%}

      {% if entries|length > 0 %}
      Changes:

      {% endif %}
      {%- for key, value in entries.items() -%}
      - {{ value.msg }} ([#{{ value.pr_number }}]({{ key }}), [@{{ value.contributor_login }}]({{ value.contributor_url }}))
      {% endfor %}

- name: Prepare Release Data
  set_fact:
    payload:
      body: "{{ final_changelog }}"
      name: "{{ version }}"
      tag_name: "{{ version }}"
      draft: true

- name: Publish Release
  uri:
    url: "https://api.github.com/repos/{{ repo }}/releases"
    method: "POST"
    headers:
      Accept: "application/vnd.github.v3+json"
      Authorization: "Bearer {{ github_token }}"
    body: "{{ payload | to_json }}"
    status_code:
      - 200
      - 201