#
# Licensed to the Apache Software Foundation (ASF) under one or more
# contributor license agreements.  See the NOTICE file distributed with
# this work for additional information regarding copyright ownership.
# The ASF licenses this file to You 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.
#
{{- if .Values.ingress.enabled -}}
{{- $fullName := include "devlake.fullname" . -}}
{{- $uiServiceName := printf "%s-%s" $fullName "ui" -}}
{{- if and .Values.ingress.className (not (semverCompare ">=1.18-0" .Capabilities.KubeVersion.GitVersion)) }}
  {{- if not (hasKey .Values.ingress.annotations "kubernetes.io/ingress.class") }}
  {{- $_ := set .Values.ingress.annotations "kubernetes.io/ingress.class" .Values.ingress.className}}
  {{- end }}
{{- end }}
---
{{- if semverCompare ">=1.19-0" .Capabilities.KubeVersion.GitVersion -}}
apiVersion: networking.k8s.io/v1
{{- else if semverCompare ">=1.14-0" .Capabilities.KubeVersion.GitVersion -}}
apiVersion: networking.k8s.io/v1beta1
{{- else -}}
apiVersion: extensions/v1beta1
{{- end }}
kind: Ingress
metadata:
  name: {{ $fullName }}
  labels:
    {{- include "devlake.labels" . | nindent 4 }}
    {{- with .Values.ingress.extraLabels }}
    {{- toYaml . | nindent 4 }}
    {{- end }}
  annotations:
  {{- with .Values.ingress.annotations }}
    {{- toYaml . | nindent 4 }}
  {{- end }}
spec:
  {{- if and .Values.ingress.className (semverCompare ">=1.18-0" .Capabilities.KubeVersion.GitVersion) }}
  ingressClassName: {{ .Values.ingress.className }}
  {{- end }}
  {{- if .Values.ingress.enableHttps }}
  tls:
    - hosts:
        - {{ .Values.ingress.hostname }}
      secretName: {{ .Values.ingress.tlsSecretName }}
  {{- end }}
  rules:
    - host: {{ .Values.ingress.hostname | quote }}
      http:
        paths:
          {{- if .Values.grafana.enabled }}
          - path: /{{ include "devlake.grafanaEndpointPrefix" . }}
            {{- if semverCompare ">=1.18-0" $.Capabilities.KubeVersion.GitVersion }}
            pathType: Prefix
            {{- end }}
            backend:
              {{- if semverCompare ">=1.19-0" $.Capabilities.KubeVersion.GitVersion }}
              service:
                name: {{ .Values.grafana.ingressServiceName | default ( include "grafana.fullname" (dict "Values" .Values.grafana "Chart" (dict "Name" "grafana") "Release" .Release ) ) }}
                port:
                  number: {{ .Values.grafana.ingressServicePort | default .Values.grafana.service.port }}
              {{- else }}
              serviceName: {{ .Values.grafana.ingressServiceName | default ( include "grafana.fullname" (dict "Values" .Values.grafana "Chart" (dict "Name" "grafana") "Release" .Release ) ) }}
              servicePort: {{ .Values.grafana.ingressServicePort | default .Values.grafana.service.port }}
              {{- end }}
          {{- end }}
          - path: /{{ include "devlake.uiEndpointPrefix" . }}
            {{- if semverCompare ">=1.18-0" $.Capabilities.KubeVersion.GitVersion }}
            pathType: Prefix
            {{- end }}
            backend:
              {{- if semverCompare ">=1.19-0" $.Capabilities.KubeVersion.GitVersion }}
              service:
                name: {{ $uiServiceName }}
                port:
                  number: 4000
              {{- else }}
              serviceName: {{ $uiServiceName }}
              servicePort: 4000
              {{- end }}
          {{- if .Values.ingress.extraPaths }}
            {{- toYaml .Values.ingress.extraPaths | nindent 10 }}
          {{- end }}
{{- if and .Values.ingress.useDefaultNginx (not .Values.grafana.enabled) }}
---
{{- if semverCompare ">=1.19-0" .Capabilities.KubeVersion.GitVersion -}}
apiVersion: networking.k8s.io/v1
{{- else if semverCompare ">=1.14-0" .Capabilities.KubeVersion.GitVersion -}}
apiVersion: networking.k8s.io/v1beta1
{{- else -}}
apiVersion: extensions/v1beta1
{{- end }}
kind: Ingress
metadata:
  name: {{ $fullName }}-ext-grafana
  labels:
    {{- include "devlake.labels" . | nindent 4 }}
  annotations:
    nginx.ingress.kubernetes.io/use-regex: "true"
    nginx.ingress.kubernetes.io/rewrite-target: /$2
    nginx.ingress.kubernetes.io/permanent-redirect: {{ .Values.grafana.external.url }}
  {{- with .Values.ingress.annotations }}
    {{- toYaml . | nindent 4 }}
  {{- end }}
spec:
  {{- if and .Values.ingress.className (semverCompare ">=1.18-0" .Capabilities.KubeVersion.GitVersion) }}
  ingressClassName: {{ .Values.ingress.className }}
  {{- end }}
  {{- if .Values.ingress.enableHttps }}
  tls:
    - hosts:
        - {{ .Values.ingress.hostname }}
      secretName: {{ .Values.ingress.tlsSecretName }}
  {{- end }}
  rules:
    - host: {{ .Values.ingress.hostname | quote }}
      http:
        paths:
          - path: /{{ include "devlake.grafanaEndpointPrefix" . }}(/|$)(.*)
            {{- if semverCompare ">=1.18-0" $.Capabilities.KubeVersion.GitVersion }}
            pathType: ImplementationSpecific
            {{- end }}
            backend: # dummy to config-ui, actual 302 forearding for external grafana
              {{- if semverCompare ">=1.19-0" $.Capabilities.KubeVersion.GitVersion }}
              service:
                name: {{ $uiServiceName }}
                port:
                  number: 4000
              {{- else }}
              serviceName: {{ $uiServiceName }}
              servicePort: 4000
              {{- end }}
{{- end }}
{{- end }}
