#!/bin/sh

. "$GITHUB_ACTION_PATH/scripts/utils.sh"

# Input validation
if [ "$COMMENT" != "true" ] && [ "$GENERATE_ARTIFACT" != "true" ]; then
  panic 'Neither comment-on-pr nor generate-artifact is set
    note: this looks like an error; if it isn'"'"'t disable this action with "step.if"'
fi

if [ "$DO_COMPARISON" = 'true' ] && [ -z "$JOB_NAME" ]; then
  panic 'Requested a comparison report but job-name wasn'"'"'t set'
fi

# Create Size Report (will be uploaded by the upload-artifact action)
"$GITHUB_ACTION_PATH/scripts/create-report.sh" report.json

# Nothing else to do
if [ "$COMMENT" != "true" ]; then exit 0; fi

# Find the PR for this commit so we can post a comment on it
pr_number=
case "$GITHUB_EVENT_NAME" in
"pull_request")
  pr_number=$(jq .number "$GITHUB_EVENT_PATH")
  log "Triggered by a pull request with index: $pr_number"
  ;;
"push")
  log "Triggered by a push to $GITHUB_REF_NAME autodetecting PR number"

  log "Get PR number for $GITHUB_REF_NAME"
  prs=$(curl -X 'GET' \
    "$GITHUB_API_URL/repos/$GITHUB_REPOSITORY/pulls?state=open&sort=recentupdate" \
    -H "Authorization: token $GITHUB_TOKEN" \
    -H 'Accept: application/json')

  log "Found these open PRs: $(echo "$prs" | jq '[.[] | .number]')"

  pr_number=$(echo "$prs" |
    jq --arg ref "$GITHUB_REF_NAME" '.[] | select(.head.ref == $ref) | .number')

  # Protect against running before a PR is made or if it is triggered on the main branch
  if [ -z "$pr_number" ]; then
    warn "No PR created for this commit"
    exit 0
  fi

  log "The PR we found for $GITHUB_REF_NAME is $pr_number"
  ;;
*)
  panic "Unexpected event $GITHUB_EVENT_NAME for commenting on a PR, expected push or pull_request"
  ;;
esac

log "Expected PR URL: $GITHUB_SERVER_URL/$GITHUB_REPOSITORY/pulls/$pr_number"

# This seems to create the file???
log "GITHUB_OUTPUT=$GITHUB_OUTPUT"
log "$(ls -l "$GITHUB_OUTPUT")"

echo "pr-number=$pr_number" >>"$GIHUB_OUTPUT"