#!/bin/bash

# Copyright 2021 The Kubernetes Authors All rights reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

set -e

install_kind() {
	curl -Lo ./kind https://kind.sigs.k8s.io/dl/v0.11.0/kind-linux-amd64
	chmod +x ./kind
	sudo mv ./kind /usr/local
}

install_k3d() {
	curl -s https://raw.githubusercontent.com/rancher/k3d/main/install.sh | bash
}

install_minikube() {
	make
	sudo install ./out/minikube /usr/local/bin/minikube
}

install_gh() {
	export access_token="$1"

	# Make sure gh is installed and configured
	./hack/jenkins/installers/check_install_gh.sh
}

config_git() {
	git config user.name "minikube-bot"
	git config user.email "minikube-bot@google.com"
}

create_branch() {
	git checkout -b addTimeToK8s"$1"
}

run_benchmark() {
	pwd
	( cd ./hack/benchmark/time-to-k8s/time-to-k8s-repo/ &&
		git submodule update --init &&
		go run . --config local-kubernetes.yaml --iterations 1 --output output.csv )
}

generate_chart() {
	go run ./hack/benchmark/time-to-k8s/chart.go --csv ./hack/benchmark/time-to-k8s/time-to-k8s-repo/output.csv --output ./site/static/images/benchmarks/timeToK8s/"$1".png
}

create_page() {
	printf -- "---\ntitle: \"%s Benchmark\"\nlinkTitle: \"%s Benchmark\"\nweight: 1\n---\n\n![time-to-k8s](/images/benchmarks/timeToK8s/%s.png)\n" "$1" "$1" "$1" > ./site/content/en/docs/benchmarks/timeToK8s/"$1".md
}

commit_changes() {
	git add ./site/static/images/benchmarks/timeToK8s/"$1".png ./site/content/en/docs/benchmarks/timeToK8s/"$1".md
	git commit -m "add time-to-k8s benchmark for $1"
}

create_pr() {
	git remote add minikube-bot https://minikube-bot:"$2"@github.com/minikube-bot/minikube.git
	git push -u minikube-bot addTimeToK8s"$1"
	gh pr create --repo kubernetes/minikube --base master --title "Add time-to-k8s benchmark for $1" --body "Updating time-to-k8s benchmark as part of the release process"
}

install_kind
install_k3d
install_minikube
install_gh "$1"
config_git

VERSION=$(minikube version --short)
create_branch "$VERSION"
run_benchmark
generate_chart "$VERSION"
create_page "$VERSION"
commit_changes "$VERSION"
create_pr "$VERSION" "$1"