TMPDIR=$(mktemp -d)

trap "rm -fr $TMPDIR" EXIT

function setup_with_rebuild() {
    FORGEJO_RUNNER_CONFIG=$EXAMPLE_DIR/runner-config-with-rebuild.yml forgejo-runner.sh reload
}

function setup_without_rebuild() {
    FORGEJO_RUNNER_CONFIG=$EXAMPLE_DIR/runner-config-without-rebuild.yml forgejo-runner.sh reload
}

function run() {
    local dir="$1"
    local expected="$2"
    local repo=root/example-$example
    forgejo-test-helper.sh push_workflow $dir $url root example-$example setup-forgejo $token
    sha=$(forgejo-test-helper.sh branch_tip $url $repo main)
    forgejo-test-helper.sh wait_$expected $url $repo $sha
}

function get_remote_image() {
    docker image ls --format='{{ .Repository }}' | grep '^runner-remote-docker-action'
}

function remove_remote_images() {
    docker image ls --format='{{ .Repository }}' | grep '^runner-remote-docker-action' | while read image; do
        docker rmi $image
    done
}

function was_built() {
    grep --quiet 'docker build -t runner-remote-docker-action' $FORGEJO_RUNNER_LOGS
}

function main() {
    local dir=$TMPDIR/repository
    cp -a $EXAMPLE_DIR $dir

    remove_remote_images

    :
    : Run one
    :
    setup_without_rebuild
    run $dir success
    local image="$(get_remote_image)"
    test "$image"
    was_built

    :
    : Run two: verify the image was not rebuilt
    :
    setup_without_rebuild # resets the logs
    run $dir success
    test "$image" = "$(get_remote_image)"
    ! was_built

    :
    : Run two: verify the image was rebuilt and
    : the image name stayed the same
    :
    setup_with_rebuild
    run $dir success
    test "$image" = "$(get_remote_image)"
    was_built
}

main