#!/bin/bash -e
# shellcheck disable=SC2046

set -e -o pipefail

PROJECT_MODULE="github.com/traefik/traefik"
MODULE_VERSION="v2"
IMAGE_NAME="kubernetes-codegen:latest"
CURRENT_DIR="$(pwd)"

echo "Building codegen Docker image..."
docker build --build-arg KUBE_VERSION=v0.20.2 \
             --build-arg USER="${USER}" \
             --build-arg UID="$(id -u)" \
             --build-arg GID="$(id -g)" \
             -f "./script/codegen.Dockerfile" \
             -t "${IMAGE_NAME}" \
             "."

echo "Generating Traefik clientSet code ..."
cmd="/go/src/k8s.io/code-generator/generate-groups.sh all ${PROJECT_MODULE}/${MODULE_VERSION}/pkg/provider/kubernetes/crd/generated ${PROJECT_MODULE}/${MODULE_VERSION}/pkg/provider/kubernetes/crd traefik:v1alpha1 --go-header-file=/go/src/${PROJECT_MODULE}/script/boilerplate.go.tmpl"
docker run --rm \
           -v "${CURRENT_DIR}:/go/src/${PROJECT_MODULE}" \
           -w "/go/src/${PROJECT_MODULE}" \
           "${IMAGE_NAME}" ${cmd}

echo "Generating DeepCopy code ..."
cmd="deepcopy-gen --input-dirs ${PROJECT_MODULE}/${MODULE_VERSION}/pkg/config/dynamic --input-dirs ${PROJECT_MODULE}/${MODULE_VERSION}/pkg/tls --input-dirs ${PROJECT_MODULE}/${MODULE_VERSION}/pkg/types --output-package ${PROJECT_MODULE}/${MODULE_VERSION} -O zz_generated.deepcopy --go-header-file=/go/src/${PROJECT_MODULE}/script/boilerplate.go.tmpl"
docker run --rm \
           -v "${CURRENT_DIR}:/go/src/${PROJECT_MODULE}" \
           -w "/go/src/${PROJECT_MODULE}" \
           "${IMAGE_NAME}" ${cmd}

echo "Generating the CRD definitions for the documentation ..."
cmd="controller-gen crd:crdVersions=v1 paths=./pkg/provider/kubernetes/crd/traefik/v1alpha1/... output:dir=./docs/content/reference/dynamic-configuration/"
docker run --rm \
           -v "${CURRENT_DIR}:/go/src/${PROJECT_MODULE}" \
           -w "/go/src/${PROJECT_MODULE}" \
           "${IMAGE_NAME}" ${cmd}

echo "Concatenate the CRD definitions for publication and integration tests ..."
cat "${CURRENT_DIR}"/docs/content/reference/dynamic-configuration/traefik.containo.us_*.yaml > "${CURRENT_DIR}"/docs/content/reference/dynamic-configuration/kubernetes-crd-definition-v1.yml
cp -f "${CURRENT_DIR}"/docs/content/reference/dynamic-configuration/kubernetes-crd-definition-v1.yml "${CURRENT_DIR}"/integration/fixtures/k8s/01-traefik-crd.yml

cp -r "${CURRENT_DIR}/${MODULE_VERSION}"/* "${CURRENT_DIR}"
rm -rf "${CURRENT_DIR:?}/${MODULE_VERSION}"