stages:
  - test
  - build
  - validate

variables:
  DOCKER_IMAGE: docker.io/uhryniuk/go-server
  DOCKER_TAG: $CI_COMMIT_SHORT_SHA

# Go build job
go:build:
  stage: test
  image: golang:1.23-alpine
  cache:
    key: go-mod
    paths:
      - .go/pkg/mod/
  variables:
    GOPATH: $CI_PROJECT_DIR/.go
  script:
    - go build -o interview-server .
  artifacts:
    paths:
      - interview-server
    expire_in: 1 hour

# Go unit tests
go:test:
  stage: test
  image: golang:1.23-alpine
  cache:
    key: go-mod
    paths:
      - .go/pkg/mod/
  variables:
    GOPATH: $CI_PROJECT_DIR/.go
  script:
    - go test -v -cover

# Docker build and push
docker:build:
  stage: build
  image: docker:24
  services:
    - docker:24-dind
  before_script:
    - echo "$DOCKER_PASSWORD" | docker login -u "$DOCKER_USERNAME" --password-stdin docker.io
  script:
    - docker build -t $DOCKER_IMAGE:$DOCKER_TAG -t $DOCKER_IMAGE:latest .
    - docker push $DOCKER_IMAGE:$DOCKER_TAG
    - docker push $DOCKER_IMAGE:latest
  only:
    - main
    - tags

# Helm lint
helm:lint:
  stage: validate
  image:
    name: alpine/helm:4.0
    entrypoint: [""]
  script:
    - helm lint ./helm

# Helm template validation
helm:template:
  stage: validate
  image: 
    name: alpine/helm:4.0
    entrypoint: [""]
  script:
    - helm version
    - helm template test-release ./helm --debug > helm-output.yaml 2>&1 || (cat helm-output.yaml && exit 1)
    - |
      if [ ! -s helm-output.yaml ]; then
        echo "Error: Helm template output is empty"
        exit 1
      fi
    - echo "Helm template validation successful"
  artifacts:
    paths:
      - helm-output.yaml
    expire_in: 1 day