TMPDIR=$(mktemp -d)

trap "rm -fr $TMPDIR" EXIT

api=$url/api/v1
export d=/srv/example/cache-pull-request

function main() {
    mkdir -p $d

    #
    # open a pull request
    # - from the same repository
    # - from a forked repository
    #
    forgejo-test-helper.sh push_workflow actions/example-$example $url root example-$example setup-forgejo $token

    forgejo-curl.sh api_json --data-raw '{"username":"cache-fork-org"}' $api/orgs
    forgejo-curl.sh api_json --data-raw '{"organization":"cache-fork-org"}' $api/repos/root/example-cache-pull-request/forks

    (
        cd $d
        git clone $url/cache-fork-org/example-cache-pull-request fork
        cd fork
        git config user.email root@example.com
        git config user.name username
        touch file-unique-to-the-pr-branch
        git add .
        git commit -m 'fork change'
        git push
    )

    forgejo.sh retry forgejo-curl.sh api_json --data-raw '{"title":"PR from fork","base":"main","head":"cache-fork-org:main"}' $api/repos/root/example-cache-pull-request/pulls

    (
        cd $d
        git clone $url/root/example-cache-pull-request
        cd example-cache-pull-request
        git checkout -b other
        git config user.email root@example.com
        git config user.name username
        touch file-unique-to-the-forked-pr
        git add .
        git commit -m 'other change'
        git push --force -u origin other
    )

    forgejo.sh retry forgejo-curl.sh api_json --data-raw '{"title":"PR same repo","base":"main","head":"other"}' $api/repos/root/example-cache-pull-request/pulls

    export RETRY_DELAYS="10 20 60 60 60 60 60"

    #
    # wait for the opened event to succeed using the cache on all pull requests
    #
    if ! forgejo.sh retry $EXAMPLE_DIR/assert-contexts-opened.sh; then
        echo "assert-contexts-opened.sh failed; printing related logs and information:"
        find $d
        sed -e 's/^/[RUNNER LOGS]/' <$FORGEJO_RUNNER_LOGS
        return 1
    fi

    #
    # merge all pull requests
    #
    forgejo-curl.sh api_json $api/repos/root/example-cache-pull-request/pulls | jq -r '.[] | .number' | while read pr; do
        forgejo-curl.sh api_json --data-raw '{"Do":"merge"}' $api/repos/root/example-cache-pull-request/pulls/$pr/merge
    done

    #
    # wait for the closed event to succeed using the cache on all pull requests
    #
    if ! forgejo.sh retry $EXAMPLE_DIR/assert-contexts-closed.sh; then
        echo "assert-contexts-closed.sh failed; printing related logs and information:"
        find $d
        sed -e 's/^/[RUNNER LOGS]/' <$FORGEJO_RUNNER_LOGS
        return 1
    fi
}

main