#!/bin/bash -e

PR="$1"
REPO="$2"

if [ "$REPO" == "" ]; then
  REPO="keycloak/keycloak"
fi

function parse_issues() {
    echo "$1" | grep -i -P -o "(close|closes|closed|resolve|resolves|resolved) #[[:digit:]]*" | cut -d '#' -f 2 | sort -n
}

PR_JSON=$(gh api "/repos/$REPO/pulls/$PR")
PR_BODY=$(echo "$PR_JSON" | jq -r .body)
PR_MERGE_COMMIT_SHA=$(echo "$PR_JSON" | jq -r .merge_commit_sha)

ISSUES=$(parse_issues "$PR_BODY")
if [ "$ISSUES" == "" ]; then
    COMMIT_JSON=$(gh api "/repos/$REPO/commits/$PR_MERGE_COMMIT_SHA")
    COMMIT_MESSAGE=$(echo "$COMMIT_JSON" | jq -r .commit.message)

    ISSUES=$(parse_issues "$COMMIT_MESSAGE")
fi

for i in $ISSUES; do
    echo "$i"
done