#!/bin/bash

commit=$(git rev-parse HEAD)

pull_request_json=$(gh api \
   -H "Accept: application/vnd.github.groot-preview+json" \
   "repos/:owner/:repo/commits/$commit/pulls" \
   | jq '.[0]')

pull_request_url=$(echo "$pull_request_json" | jq -r '.html_url')

owner_and_repo=$(echo "$pull_request_json" | jq -r '.base.repo.full_name')

while true; do
  statuses_json=$(gh api "repos/$owner_and_repo/commits/$commit/status")

  statuses_failed=$(echo "$statuses_json" | jq '.state == "failure"')

  if [ "$statuses_failed" == "true" ]; then
    notify-send "GitHub CI pipeline failed" "$pull_request_url"
    exit 1
  fi

  check_runs_json=$(gh api "repos/$owner_and_repo/commits/$commit/check-runs")

  check_runs_failed=$(echo "$check_runs_json" \
     | jq '[.check_runs[]] | any (.status == "completed" and .conclusion != "success")')

  if [ "$check_runs_failed" == "true" ]; then
    notify-send "GitHub CI pipeline failed" "$pull_request_url"
    exit 1
  fi

  statuses_succeeded=$(echo "$statuses_json" \
    | jq '.state == "success" or .total_count == 0')

  check_runs_succeeded=$(echo "$check_runs_json" \
     | jq '[.check_runs[]] | all (.status == "completed" and .conclusion == "success")')

  if [ "$check_runs_succeeded" == "true" ] && [ "$statuses_succeeded" == "true" ]; then
    notify-send "GitHub CI pipeline succeeded" "$pull_request_url"
    exit 0
  fi

  sleep 5
done